3779:
1284:, or a problem in which the task is to determine Black's last move, for example), or it may be a part of some larger problem (for example, it may be necessary to determine that Black has moved their king leading up to a given position, meaning they are unable to castle, and thus rendering correct a solution that otherwise would be incorrect).
1226:
A mating position in which each of the king’s potential moves to an adjacent square is prevented in exactly one way: either occupied by a friendly man or attacked by a single hostile man, but not both (unless such an attacking man is pinning a friendly man to the king to prevent it from interposing
557:
Economy is generally regarded as a good thing in chess problem composition, though exactly what is meant by it, and exactly what it is most important to be economical with, is open to debate. Economy of material or force (not using more pieces than necessary), economy of space (using the chessboard
848:
The set of squares—horizontal, vertical and diagonal—adjacent to the square occupied by a king. The squares to which the king might ordinarily move, unless attacked by enemy pieces. Inspection of the field is important in both problems and real gameplay to evaluate threats, and to confirm
637:
A square to which a checked king can legally move (that is, one not guarded by an opponent's piece, and not occupied by a friendly piece). If, prior to being checked, the player moves a friendly piece to a potential flight square and thereby decreases the king's mobility, it is a
1131:
theme in which, at some point in the solution, a black pawn on its starting square makes each of its four possible moves (forward one square, forward two squares, capture to the left and capture to the right). If the same behaviour is exhibited by a white pawn, it is an
903:
A problem in which Black must make the geometrically longest moves available to them, as measured from square-centre to square-centre. If two or more longest moves of equal length are available, Black may choose between them. This stipulation is most often attached to
276:
is used. There is a real chance of anticipation if the problem has a relatively simple theme, since there are only a finite number of positions and themes, and chess problems have been composed for hundreds of years. Anticipations are not always noticed immediately,
213:
theme in which, at some point in the solution, a white pawn on its starting square makes each of its four possible moves (forward one square, forward two squares, capture to the left, capture to the right). If the same behaviour is exhibited by a black pawn, it is a
459:
A type of problem where White, moving first, is required to checkmate Black in a specified number of moves against any defence. Such a problem is usually indicated by the stipulation "mate in two" (or however many moves is necessary) or "checkmate in two". The term
318:
A pair of pieces, where the front piece moves away to discover an attack from the back piece. For example, if a white knight stands between a white rook and the black king, moving the knight – that is, "firing" the battery – results in
426:
move, unintended by the composer. A cook is a serious flaw, and invalidates a problem. The publication of cooked problems was once common, but in the modern era computers can be used to check for cooks, and cooked problems are rarely
435:
A board in which a- and h-files are considered connected (a "vertical cylinder"), or the first and eighth ranks are connected (a "horizontal cylinder"). A combination of the vertical and horizontal cylinders (a
1677:
interferences where piece A interferes with pieces B in one variation, and piece B interferes with piece A in another. If the interference is brought about by a white sacrifice on the critical square, it is a
1556:
Two or more problems that are slight variations on each other, often composed by the same person. The variation is usually brought about by adding, removing or moving a piece in the initial setup.
783:
The closure of the line of one piece by a second piece, thus limiting its movement and cutting it off from certain squares. Various names are given to particular types of interference, among them
1117:
being another); a problem with three tries would be a four-phase problem (each try being one phase, with the post-key play the fourth). Plays in different phases sometimes relate to each other.
1490:
A problem with the stipulation "White to move and checkmate Black in no more than three moves against any defence". In composition tourneys, there are often separate classes for three-movers,
1156:
A theme in which a sacrificed white piece can be taken by two similarly moving black pieces, but whichever piece makes the capture, it interferes with the other. Essentially a pair of
574:
theme in which a pawn on its starting square in the initial position moves the length of the board to be promoted during the course of the solution. Named after one such problem by
1538:
in which one piece moves along a line allowing a second to move onto the same line in front of it; this second piece then moves in the opposite direction to the first. Named after
724:
A type of problem where White and Black cooperate to put Black in mate within a specified number of moves. Unless otherwise specified, Black moves first in helpmates. See also
1564:
A problem with the stipulation "White to move and checkmate Black in two moves against any defence". In composition tourneys, there are often separate classes for two-movers,
1046:
A piece in a chess problem that is legally placed and could only have been created through promotion. It does not include pieces promoted after the initial problem position.
1703:
in which one piece moves along a line allowing a second to move onto the same line behind it; the first piece then moves again in the same direction as before. Named after
1212:
A type of problem in which the job of the solver is to construct a game of a given number of moves in which the final position is the one given by the composer. A kind of
689:
A problem or study with an especially unnatural initial position, particularly one with large amounts of material or with a large material disparity between the sides.
3882:
704:
Adjective applied to a problem with a relatively large number of pieces in the initial position. Heaviness should be avoided where possible, in the interests of
1314:, as the king is in orthodox chess. Any piece can be royal; a royal piece moves according to its piece type. Variants in which kings are not royal may allow
1027:
A sacrificed white piece can be taken by two differently moving black pieces—whichever piece makes the capture, it interferes with the other. Essentially a
398:, is a particular type of line vacation in which a piece moves along a line so that another piece can move a shorter distance behind it along the same line.
2325:
665:
that is divided into a grid of sixteen 2Ă—2 squares. For a move to be legal, the moving piece must pass over at least one of these grid lines. See also
542:, in which the two solutions are: Black moves first and cooperates with White to be mated; and White moves first and cooperates with Black to be mated.
538:
A type of problem in which there are two solutions, the second one reversing the roles of the colours in the first. The most common type is the duplex
944:
in which all white units, with the possible exception of king and pawns, are involved in the mate. A particular feature of problems by members of the
268:
and setting of a particular problem has already appeared in an earlier problem without the knowledge of the later composer, the problem is said to be
1262:
in which both sides must deliver checkmate if they are able to do when it is their move. A problem where this stipulation applies only to Black is a
945:
878:
Adjective applied to a problem with a relatively small number of pieces in the initial position. Lightness is usually desirable in the interests of
916:
A problem with no less than eight and no more than twelve pieces on the board in the starting position. A problem with less than eight pieces is a
3983:
3821:
1539:
1292:
A piece leaves a square, and then later in the solution returns to it by a circuitous route (for example, a rook moves e3–g3–g5–e5–e3). Cf.
558:
to its fullest, not cramming all the pieces into one corner) and economy of motivation (keeping all lines in the solution relevant to the
514:
Ideally, White should have only one move at each juncture that solves a problem (unless the plan is conceptual such as in the well-known "
498:
A manoeuvre in which two pieces are placed on the same line (rank, file or diagonal) such that they support each other. Special cases are
306:
A problem in which black promotion defences to all possible pieces are answered by a promotion of the same white piece—an extreme form of
272:. The position does not have to be exactly the same, just very similar. Where this is done deliberately by the later composer, the term
3559:
515:
234:
theme in which the solution includes pawn promotions to all possible pieces (in orthodox chess, to bishop, knight, rook and queen; in
4087:
4082:
1421:. When either colour (though usually Black) has only their king left. The term is derived from Latin and literally means "lone king".
1280:. Deduction of the move or moves leading up to a given position. A problem may be completely made up of retrograde analysis (as in a
1730:
4057:
3111:
1429:
A piece leaves a square, and then later in the solution returns to it by the same route (for example, a rook moves e3–e5–e3). Cf.
3988:
3839:
3574:
3534:
964:
moves against any defence" where n is greater than 3. In composition tourneys, there are often separate classes for more-movers,
738:
The interference of one black piece by another like-moving one on a different line (if the pieces are on the same line, it is an
518:" study by Ben Schultz). Barring examples such as these, if White has an alternative at any stage but the first move, this is a
3862:
3554:
250:
The interference of one black piece by another like-moving one on the same line (if the pieces are on different lines, it is a
3872:
3549:
2002:
1973:
1852:
990:
An element of a move in the consideration why the piece moves and how it supports the fulfillment of the problem stipulation.
526:, and in minor lines, duals may be permissible (although opinions differ on this point). Some problems make a virtue out of
3101:
3909:
3852:
3494:
3357:
3342:
3106:
3814:
3632:
3097:
3092:
2420:
4000:
3936:
3569:
3469:
3362:
3327:
1951:
1919:
390:, the first piece moves so that the second can pass over the square on which it stood on the way to its destination;
4007:
3924:
3539:
3529:
3447:
3332:
2082:
2077:
3524:
3514:
2030:
1385:
Play that is possible from the initial position of a problem if the other player moves first. For example, in a
1367:
A type of problem where White forces Black to mate them against Black's will within a specified number of moves.
522:; if multiple winning moves are available at the start, this is a cook. A dual is not as serious of a flaw as a
4067:
4012:
3519:
3509:
3504:
2167:
2129:
1961:
4140:
4072:
3807:
3654:
3564:
3499:
3075:
2837:
2388:
1938:
351:, not all black moves are provided with mates in the set play – the key provides for those that do not; in a
4166:
4042:
4027:
4022:
3978:
3946:
3889:
2913:
2393:
1393:
consists of lines of play starting with a Black move (rather than a White move). When set play exists, the
4127:
3973:
3668:
3617:
3322:
642:. Similarly, if a player moves a friendly piece out of a potential flight square prior to check, it is
4077:
3931:
3877:
3719:
3627:
3612:
3271:
3223:
3218:
3208:
2876:
2554:
2398:
1397:
move may be something that does not change the set play lines, in which case the problem is a complete
1142:, which derives from an archaic reference to small black children, has a derogatory meaning in modern
866:
A theme in which defences a, b and c are answered by the continuations A, B and C respectively in one
4037:
4032:
3941:
3857:
3673:
3607:
3457:
3352:
3347:
3196:
984:
579:
490:, a situation whereby a piece has relatively wide freedom of movement but nevertheless must be lost.
4107:
4102:
4062:
3649:
3622:
3464:
3181:
2574:
2569:
2526:
2425:
1673:
Mutual interference between two like-moving black pieces on different lines; essentially a pair of
1626:
Said of a problem that is an adaptation of an earlier one (it may have been altered to improve its
1338:
834:
The first move of a solution. A problem that, unintentionally, has more than one key is said to be
679:
A common device featuring two black pieces mutually interfering with each other on a single square.
2260:
1514:
A move that almost solves a problem, but is defeated by a single Black defence, as opposed to the
4161:
4052:
3904:
3894:
3867:
3758:
3283:
2948:
1943:
2294:
1349:(representing Springer, German for "knight") is often used instead, while N is reserved for the
4122:
4092:
4047:
3337:
3266:
2564:
2410:
2315:
2160:
2092:
36:
3961:
3474:
3397:
3278:
2978:
2973:
2660:
2383:
2342:
2124:
1478:) if Black does nothing to defend against it. Problems with no threats following the key are
1176:, that is, the lines of play that fulfill the stipulation of the problem. This is opposed to
3186:
3123:
3082:
3043:
2825:
2815:
2745:
2559:
2490:
2415:
2300:
2099:
1929:
777:
382:
In general, the movement of one piece so that another can move to a particular square. In
8:
4097:
3995:
3956:
3951:
3899:
3639:
3419:
3166:
3053:
3023:
2993:
2965:
2938:
2881:
2782:
2750:
2710:
2665:
2378:
2320:
2195:
2143:
2138:
2065:
2023:
1270:
3176:
1113:. A problem with set play is said to have two phases (the set play being one phase, the
4112:
3746:
3644:
3387:
3191:
2832:
2720:
2683:
2332:
2200:
1911:
1350:
1121:
480:
4117:
3968:
3914:
3729:
3602:
3414:
3372:
3298:
3250:
3233:
3213:
3065:
3003:
2943:
2918:
2765:
2730:
2725:
2705:
2693:
2536:
2504:
2470:
2450:
2287:
2281:
2242:
2109:
1969:
1947:
1915:
1315:
683:
32:
28:
27:, in alphabetical order. For a list of unorthodox pieces used in chess problems, see
386:, the first piece moves so that the second can occupy the square where it stood. In
4017:
3724:
3597:
3439:
3382:
3288:
3238:
3087:
3033:
3028:
3018:
2933:
2854:
2844:
2820:
2787:
2359:
2273:
2047:
1143:
673:
1856:
1184:(both of which may also be important elements in the attractiveness of a problem).
3689:
3663:
3484:
3479:
3429:
3367:
3171:
3146:
3131:
2928:
2886:
2869:
2770:
2688:
2650:
2628:
2613:
2544:
2521:
2480:
2475:
2354:
2337:
2177:
1693:
1528:
1021:
2953:
2864:
1840:
773:
A position that is impossible to reach in a game by any sequence of legal moves.
3788:
3704:
3452:
3293:
3156:
3151:
2988:
2983:
2849:
2807:
2777:
2606:
2549:
2437:
2405:
2371:
2364:
2349:
2310:
2305:
2232:
2227:
2072:
2016:
1077:
406:
A constructed position (as opposed to a position found in a game) serving as a
203:
24:
930:
A problem with no more than seven pieces on the board in the initial position.
4155:
3763:
3753:
3736:
3409:
3392:
3314:
3203:
3161:
3141:
2923:
2905:
2896:
2859:
2792:
2715:
2700:
2655:
2638:
2633:
2623:
2455:
2217:
2155:
1933:
1466:
The underlying idea of a problem, which gives it logic, coherence and beauty.
1450:
Chess problem or study with a record content or with highly unusual, bizarre
1307:
1188:
1091:
487:
407:
224:
1607:
To reverse a capture, or a move that reverses a capture. Used in describing
3783:
3709:
3694:
3424:
3245:
3228:
3136:
3070:
3013:
3008:
2740:
2735:
2675:
2618:
2509:
2465:
2237:
2222:
2212:
2148:
2114:
2087:
2055:
1704:
1518:(which actually does solve the problem). Variations after tries are called
1231:
604:
411:
355:, some of the mates provided in the set play are changed following the key.
286:
239:
1401:, or the lines in the set play may change, in which case the problem is a
3058:
3048:
2797:
2760:
2643:
2254:
2249:
2207:
2060:
1988:
1371:
1354:
1195:
593:
300:
1164:
interference) brought about by a white sacrifice on the critical square.
960:
with the stipulation "White to move and checkmate Black in no more than
3799:
3699:
2755:
2591:
2581:
2514:
2498:
2190:
1345:
is used to indicate the knight. In chess problems, however, the letter
1206:
1139:
934:
755:
666:
2261:
42:
3714:
3038:
2998:
2601:
2596:
2485:
2460:
2185:
1435:, in which the route taken back to the original square is circuitous.
1311:
1220:
1150:
3592:
3402:
2445:
1361:
1319:
718:
575:
336:
1524:
and may be an important part of what makes some problems pleasing.
1377:
A problem in which one side makes a series of moves without reply.
2119:
1735:
2586:
1474:
A move or variation that White plays (usually following their
2039:
860:
437:
1298:, in which the route taken to the original square is direct.
2104:
1069:
530:: of two apparently equivalent White moves, only one works.
1031:
brought about by a white sacrifice on the critical square.
599:
Chess played with non-orthodox rules. Examples are circe,
765:
in which all units of both colours take part in the mate.
3778:
2008:
1841:
Freshman
Seminar 23j: Chess and Mathematics (Fall 2003)
1306:
In the context of chess variants, a piece subject to
31:; for a list of terms used in chess is general, see
363:Variations not directly connected to the problem's
343:, all of Black's moves have mates provided in the
4153:
607:) and problems with unorthodox boards (such as
1765:Hooper, David Vincent; Whyld, Lenneth (1996).
3815:
2024:
1985:Chess Wizardry: The New ABC of Chess Problems
1966:The Classified Encyclopedia of Chess Variants
347:and the key is simply a waiting move; in an
1928:
1764:
464:distinguishes these sorts of problems from
3822:
3808:
2031:
2017:
1002:problem in which at least one mate in the
870:and by B, C and A respectively in another.
335:, but instead puts Black in a position of
1960:
1599:, or a move that creates a flight square.
339:, where every move leads to a mate. In a
35:; for a list of chess-related games, see
16:List of terms used in chess-based puzzles
3829:
1608:
1213:
1905:
1876:Hooper & Whyld (1996), pp. 435–36.
1769:. Oxford University Press. p. 109.
1161:
809:
4154:
2005:contains a glossary and list of themes
1731:"A Viewer Tricked Me with This Puzzle"
1268:
608:
3803:
2012:
1749:
1667:
625:
1982:
1853:"The United States Chess Federation"
1709:
1544:
503:
499:
429:
1889:Hooper & Whyld (1996), p. 436.
1818:Hooper & Whyld (1996), p. 346.
1805:Hooper & Whyld (1996), p. 285.
1779:Hooper & Whyld (1996), p. 201.
1056:
842:
767:
603:, problems with unorthodox pieces (
172:
13:
3984:Australian and New Zealand punting
1691:
1654:
1526:
1114:
1040:
307:
195:
14:
4178:
1996:
1520:
1181:
1062:
797:
740:
3777:
3448:List of strong chess tournaments
1565:
1455:
1239:
1199:
1166:
969:
662:
631:
562:) are all regarded as important.
235:
222:
23:explains commonly used terms in
3840:Sports terms named after people
2421:Gökyay Association Chess Museum
1883:
1870:
1845:
1674:
1636:
1569:
1495:
1431:
1386:
1294:
1281:
1157:
957:
803:
775:
612:
600:
473:
258:
252:
244:
216:
167:
45:
1834:
1825:
1812:
1799:
1786:
1773:
1758:
1743:
1723:
1679:
1491:
1484:
1369:
1300:
965:
941:
918:
815:
762:
591:
400:
298:
187:
1:
3546:Computer chess championships
1964:(2007). Beasley, John (ed.).
1939:The Oxford Companion to Chess
1899:
1767:The Oxford Companion to Chess
1700:
1648:
1577:
1573:
1535:
1503:
1499:
1423:
1286:
1259:
1252:
1204:
1177:
1119:
1106:
1048:
1028:
1003:
977:
973:
950:
932:
905:
897:
785:
753:
732:
655:
539:
478:
469:
465:
453:
344:
279:
1627:
1601:
1558:
1411:
1218:
1148:
1128:
924:
879:
791:
705:
681:
571:
564:
376:
289:are in the initial position.
231:
210:
44:
7:
3989:North American horse racing
3323:Bishop and knight checkmate
1402:
1379:
1359:
1134:
910:
726:
716:
671:
492:
352:
332:
10:
4183:
3491:Other world championships
1906:Dickins, Anthony (1971) .
1792:Pritchard (2007), p. 242.
1620:
1596:
1589:
1479:
1451:
1406:
1398:
1186:
1074:The Official Laws of Chess
1019:
999:
884:
867:
710:
559:
551:
364:
357:
312:
265:
162:
21:glossary of chess problems
4136:
3873:Australian rules football
3848:
3835:
3772:
3682:
3585:
3438:
3333:Opposite-coloured bishops
3313:
3259:
3122:
2964:
2904:
2895:
2806:
2674:
2535:
2436:
2272:
2176:
2046:
2038:
1752:Practical Chess Exercises
1631:
1468:
1229:
1006:is changed following the
992:
836:
580:Excelsior (chess problem)
532:
523:
201:
3465:World Chess Championship
2426:World Chess Hall of Fame
1717:
1643:
1572:(as well as classes for
1515:
1498:(as well as classes for
1475:
1460:
1394:
1339:algebraic chess notation
1173:
1102:
1098:
1089:
1007:
982:
972:(as well as classes for
872:
858:
698:
661:A kind of board used in
617:
423:
328:
321:
4088:Skiing and snowboarding
4083:Skiing and snowboarding
3759:Simultaneous exhibition
3669:Chess newspaper columns
3358:Rook and bishop vs rook
3343:Queen and pawn vs queen
1944:Oxford University Press
1550:
1444:
1318:to a king and disallow
1172:The play following the
508:
416:
327:A problem in which the
4058:Professional wrestling
3209:Richter–Veresov Attack
3197:Queen's Indian Defence
1908:A Guide to Fairy Chess
1831:Dickins (1971), p. 50.
1508:
828:
285:A problem in which no
157:
152:
147:
142:
137:
132:
127:
122:
117:
112:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
37:List of chess variants
3475:Candidates Tournament
3363:Rook and pawn vs rook
3328:King and pawn vs king
3279:List of chess gambits
3182:King's Indian Defence
2860:Isolated Queen's Pawn
2384:List of chess players
2326:Top player comparison
2125:Internet chess server
1642:The play following a
3863:Association football
3830:Glossaries of sports
3187:Nimzo-Indian Defence
3083:Scandinavian Defense
3044:Semi-Italian Opening
2949:King's Indian Attack
2838:first-move advantage
2491:Threefold repetition
2416:Bobby Fischer Center
2301:Charlemagne chessmen
2295:Göttingen manuscript
2259:
2100:Correspondence chess
1686:
1662:
1615:
1584:
1439:
1331:
1326:
1247:
1227:to block the check).
1160:interferences (or a
1084:
1035:
1014:
892:
853:
823:
748:
693:
650:
586:
546:
448:
440:board) is called an
394:, also known as the
371:
293:
182:
46:Directory:
4167:Glossaries of chess
3420:Two knights endgame
3167:Bogo-Indian Defence
3054:Two Knights Defense
2994:Nimzowitsch Defence
2684:Artificial castling
2321:Soviet chess school
2196:Dubrovnik chess set
1983:Rice, John (1996).
1750:Cheng, Ray (2019).
1669:Würzburg–Plachutta
1609:retrograde analysis
1271:retrograde analysis
1214:retrograde analysis
1198:is part of a chess
1109:each constitutes a
1068:Chess according to
516:Trojan Horse Puzzle
3650:endgame literature
3192:Old Indian Defense
3102:Accelerated Dragon
2974:Alekhine's Defence
2706:Checkmate patterns
2575:symbols in Unicode
2570:annotation symbols
2333:Geography of chess
2201:Staunton chess set
1912:Dover Publications
1630:or to eliminate a
1405:. Set play is one
1162:Würzburg–Plachutta
810:Würzburg–Plachutta
609:cylindrical boards
431:cylindrical board
4149:
4148:
3910:Canadian football
3853:American football
3797:
3796:
3674:Chess periodicals
3603:Chess in the arts
3535:Chess composition
3373:Philidor position
3309:
3308:
3251:Trompowsky Attack
3234:Semi-Slav Defence
3124:Queen's Pawn Game
3004:Four Knights Game
2979:Caro–Kann Defence
2944:Zukertort Opening
2731:Discovered attack
2451:Cheating in chess
2288:Versus de scachis
1989:B.T. Batsford Ltd
1975:978-0-9555168-0-1
1458:or Valladao task.
769:illegal position
33:Glossary of chess
29:Fairy chess piece
4174:
3824:
3817:
3810:
3801:
3800:
3784:Chess portal
3782:
3781:
3725:Leela Chess Zero
3656:Oxford Companion
3608:early literature
3598:Chess aesthetics
3338:Pawnless endgame
3289:Bongcloud Attack
3267:List of openings
3239:Chigorin Defense
3177:GrĂĽnfeld Defence
3088:Sicilian Defence
3034:Ponziani Opening
3029:Philidor Defence
3024:Petrov's Defence
2966:King's Pawn Game
2939:Larsen's Opening
2902:
2901:
2263:
2033:
2026:
2019:
2010:
2009:
1992:
1979:
1968:. John Beasley.
1962:Pritchard, D. B.
1957:
1942:(2nd ed.).
1925:
1894:
1887:
1881:
1874:
1868:
1867:
1865:
1864:
1855:. Archived from
1849:
1843:
1838:
1832:
1829:
1823:
1816:
1810:
1803:
1797:
1790:
1784:
1777:
1771:
1770:
1762:
1756:
1755:
1747:
1741:
1740:
1739:. November 2022.
1727:
1646:, as opposed to
1042:obtrusive piece
349:incomplete block
47:
4182:
4181:
4177:
4176:
4175:
4173:
4172:
4171:
4152:
4151:
4150:
4145:
4132:
3937:Contract bridge
3844:
3831:
3828:
3798:
3793:
3776:
3768:
3678:
3664:Chess libraries
3581:
3485:FIDE Grand Prix
3480:Chess World Cup
3434:
3430:Wrong rook pawn
3368:Lucena position
3305:
3255:
3172:Catalan Opening
3147:English Defence
3132:Budapest Gambit
3118:
3076:Austrian Attack
2960:
2929:English Opening
2891:
2887:School of chess
2870:Minority attack
2802:
2771:Queen sacrifice
2670:
2531:
2527:White and Black
2522:Touch-move rule
2481:Perpetual check
2476:Fifty-move rule
2432:
2268:
2265:
2172:
2042:
2037:
1999:
1976:
1954:
1922:
1902:
1897:
1888:
1884:
1875:
1871:
1862:
1860:
1851:
1850:
1846:
1839:
1835:
1830:
1826:
1817:
1813:
1804:
1800:
1791:
1787:
1778:
1774:
1763:
1759:
1748:
1744:
1729:
1728:
1724:
1720:
1710:Turton doubling
1696:
1694:Zepler doubling
1689:
1670:
1665:
1639:
1623:
1618:
1604:
1592:
1587:
1561:
1553:
1545:Zepler doubling
1531:
1529:Turton doubling
1511:
1487:
1471:
1463:
1447:
1442:
1426:
1414:
1382:
1374:
1364:
1334:
1329:
1303:
1289:
1273:
1264:semi-reflexmate
1255:
1250:
1234:
1223:
1209:
1191:
1169:
1153:
1124:
1094:
1087:
1065:
1064:orthodox chess
1051:
1043:
1038:
1024:
1017:
995:
987:
953:
946:Bohemian School
937:
927:
913:
900:
895:
875:
863:
856:
845:
831:
826:
780:
770:
758:
751:
735:
721:
701:
696:
686:
676:
658:
653:
644:square vacation
634:
620:
596:
589:
567:
554:
549:
535:
511:
504:Zepler doubling
500:Turton doubling
495:
483:
456:
451:
432:
419:
403:
384:square vacation
379:
374:
360:
324:
315:
303:
296:
282:
261:
247:
227:
206:
190:
185:
180:
179:
178:
177:
48:
17:
12:
11:
5:
4180:
4170:
4169:
4164:
4162:Chess problems
4147:
4146:
4144:
4143:
4137:
4134:
4133:
4131:
4130:
4125:
4120:
4115:
4110:
4105:
4100:
4095:
4090:
4085:
4080:
4078:Shooting sport
4075:
4070:
4065:
4060:
4055:
4050:
4045:
4040:
4035:
4030:
4025:
4020:
4015:
4010:
4008:Figure skating
4005:
4004:
4003:
3993:
3992:
3991:
3986:
3976:
3971:
3966:
3965:
3964:
3954:
3949:
3944:
3939:
3934:
3929:
3928:
3927:
3925:computer chess
3922:
3920:chess problems
3912:
3907:
3902:
3897:
3892:
3887:
3886:
3885:
3883:derived idioms
3875:
3870:
3865:
3860:
3855:
3849:
3846:
3845:
3843:
3842:
3836:
3833:
3832:
3827:
3826:
3819:
3812:
3804:
3795:
3794:
3792:
3791:
3786:
3773:
3770:
3769:
3767:
3766:
3761:
3756:
3751:
3750:
3749:
3744:
3734:
3733:
3732:
3727:
3722:
3717:
3707:
3705:Chess composer
3702:
3697:
3692:
3686:
3684:
3680:
3679:
3677:
3676:
3671:
3666:
3661:
3660:
3659:
3652:
3647:
3637:
3636:
3635:
3630:
3625:
3620:
3615:
3610:
3600:
3595:
3589:
3587:
3583:
3582:
3580:
3579:
3578:
3577:
3572:
3567:
3562:
3560:North American
3557:
3552:
3544:
3543:
3542:
3537:
3532:
3527:
3522:
3517:
3512:
3507:
3502:
3497:
3489:
3488:
3487:
3482:
3477:
3472:
3462:
3461:
3460:
3453:Chess Olympiad
3450:
3444:
3442:
3436:
3435:
3433:
3432:
3427:
3422:
3417:
3412:
3407:
3406:
3405:
3400:
3395:
3390:
3385:
3377:
3376:
3375:
3370:
3360:
3355:
3350:
3345:
3340:
3335:
3330:
3325:
3319:
3317:
3311:
3310:
3307:
3306:
3304:
3303:
3302:
3301:
3299:Scholar's mate
3296:
3291:
3281:
3276:
3275:
3274:
3263:
3261:
3257:
3256:
3254:
3253:
3248:
3243:
3242:
3241:
3236:
3231:
3226:
3221:
3214:Queen's Gambit
3211:
3206:
3201:
3200:
3199:
3194:
3189:
3184:
3179:
3174:
3169:
3164:
3159:
3157:Benoni Defence
3152:Indian Defence
3149:
3144:
3139:
3134:
3128:
3126:
3120:
3119:
3117:
3116:
3115:
3114:
3109:
3104:
3095:
3085:
3080:
3079:
3078:
3068:
3066:Owen's Defence
3063:
3062:
3061:
3056:
3051:
3046:
3041:
3036:
3031:
3026:
3021:
3016:
3011:
3006:
2996:
2991:
2989:Modern Defence
2986:
2984:French Defence
2981:
2976:
2970:
2968:
2962:
2961:
2959:
2958:
2957:
2956:
2951:
2941:
2936:
2931:
2926:
2921:
2919:Bird's Opening
2916:
2910:
2908:
2899:
2893:
2892:
2890:
2889:
2884:
2879:
2874:
2873:
2872:
2867:
2862:
2857:
2850:Pawn structure
2847:
2842:
2841:
2840:
2830:
2829:
2828:
2818:
2812:
2810:
2804:
2803:
2801:
2800:
2795:
2790:
2785:
2780:
2775:
2774:
2773:
2763:
2758:
2753:
2748:
2743:
2738:
2733:
2728:
2723:
2718:
2713:
2708:
2703:
2698:
2697:
2696:
2694:Alekhine's gun
2686:
2680:
2678:
2672:
2671:
2669:
2668:
2663:
2658:
2653:
2648:
2647:
2646:
2641:
2636:
2631:
2626:
2616:
2611:
2610:
2609:
2607:Half-open file
2599:
2594:
2589:
2584:
2579:
2578:
2577:
2572:
2567:
2562:
2557:
2550:Chess notation
2547:
2541:
2539:
2533:
2532:
2530:
2529:
2524:
2519:
2518:
2517:
2507:
2505:Pawn promotion
2502:
2495:
2494:
2493:
2488:
2483:
2478:
2473:
2463:
2458:
2453:
2448:
2442:
2440:
2434:
2433:
2431:
2430:
2429:
2428:
2423:
2418:
2408:
2406:Women in chess
2403:
2402:
2401:
2396:
2391:
2381:
2376:
2375:
2374:
2369:
2368:
2367:
2362:
2352:
2347:
2346:
2345:
2330:
2329:
2328:
2323:
2318:
2316:Hypermodernism
2313:
2311:Romantic chess
2308:
2306:Lewis chessmen
2303:
2298:
2291:
2278:
2276:
2270:
2269:
2267:
2266:
2257:
2252:
2247:
2246:
2245:
2240:
2235:
2230:
2225:
2220:
2215:
2205:
2204:
2203:
2198:
2193:
2182:
2180:
2174:
2173:
2171:
2170:
2165:
2164:
2163:
2153:
2152:
2151:
2146:
2144:world rankings
2136:
2135:
2134:
2133:
2132:
2122:
2112:
2107:
2102:
2097:
2096:
2095:
2090:
2085:
2080:
2073:Computer chess
2070:
2069:
2068:
2058:
2052:
2050:
2044:
2043:
2036:
2035:
2028:
2021:
2013:
2007:
2006:
1998:
1997:External links
1995:
1994:
1993:
1980:
1974:
1958:
1952:
1934:Whyld, Kenneth
1926:
1920:
1901:
1898:
1896:
1895:
1882:
1869:
1844:
1833:
1824:
1811:
1807:orthodox chess
1798:
1785:
1772:
1757:
1742:
1721:
1719:
1716:
1715:
1714:
1697:
1692:
1688:
1685:
1684:
1683:
1671:
1668:
1664:
1661:
1660:
1659:
1640:
1637:
1635:
1624:
1621:
1617:
1614:
1613:
1612:
1605:
1602:
1600:
1593:
1590:
1586:
1583:
1582:
1581:
1562:
1559:
1557:
1554:
1551:
1549:
1532:
1527:
1525:
1512:
1509:
1507:
1488:
1485:
1483:
1472:
1469:
1467:
1464:
1461:
1459:
1448:
1445:
1441:
1438:
1437:
1436:
1427:
1424:
1422:
1415:
1412:
1410:
1383:
1380:
1378:
1375:
1370:
1368:
1365:
1360:
1358:
1335:
1332:
1328:
1325:
1324:
1323:
1304:
1301:
1299:
1290:
1287:
1285:
1274:
1269:
1267:
1256:
1253:
1249:
1246:
1245:
1244:
1235:
1230:
1228:
1224:
1219:
1217:
1210:
1205:
1203:
1194:Together with
1192:
1187:
1185:
1170:
1168:post-key play
1167:
1165:
1154:
1149:
1147:
1125:
1120:
1118:
1095:
1090:
1086:
1083:
1082:
1081:
1078:Rules of chess
1066:
1063:
1061:
1057:orthodox chess
1052:
1049:
1047:
1044:
1041:
1037:
1034:
1033:
1032:
1025:
1020:
1016:
1013:
1012:
1011:
996:
993:
991:
988:
983:
981:
954:
951:
949:
938:
933:
931:
928:
925:
923:
914:
911:
909:
901:
898:
894:
891:
890:
889:
876:
873:
871:
864:
859:
855:
852:
851:
850:
846:
843:
841:
832:
829:
825:
822:
821:
820:
781:
776:
774:
771:
768:
766:
759:
754:
750:
747:
746:
745:
736:
733:
731:
722:
717:
715:
702:
699:
695:
692:
691:
690:
687:
682:
680:
677:
672:
670:
659:
656:
652:
649:
648:
647:
635:
633:flight square
632:
630:
621:
618:
616:
597:
592:
588:
585:
584:
583:
568:
565:
563:
555:
552:
548:
545:
544:
543:
536:
533:
531:
528:dual avoidance
512:
509:
507:
496:
493:
491:
484:
479:
477:
457:
454:
450:
447:
446:
445:
433:
430:
428:
420:
417:
415:
404:
401:
399:
392:line clearance
380:
377:
373:
370:
369:
368:
361:
358:
356:
341:complete block
325:
322:
320:
316:
313:
311:
304:
299:
295:
292:
291:
290:
283:
280:
278:
262:
259:
257:
248:
245:
243:
238:, possibly to
228:
223:
221:
207:
202:
200:
191:
188:
184:
181:
176:
175:
173:External links
170:
165:
160:
155:
150:
145:
140:
135:
130:
125:
120:
115:
110:
105:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
49:
43:
41:
25:chess problems
15:
9:
6:
4:
3:
2:
4179:
4168:
4165:
4163:
4160:
4159:
4157:
4142:
4139:
4138:
4135:
4129:
4126:
4124:
4121:
4119:
4116:
4114:
4111:
4109:
4106:
4104:
4101:
4099:
4096:
4094:
4091:
4089:
4086:
4084:
4081:
4079:
4076:
4074:
4071:
4069:
4066:
4064:
4061:
4059:
4056:
4054:
4051:
4049:
4046:
4044:
4041:
4039:
4036:
4034:
4031:
4029:
4026:
4024:
4021:
4019:
4016:
4014:
4011:
4009:
4006:
4002:
4001:Italian terms
3999:
3998:
3997:
3994:
3990:
3987:
3985:
3982:
3981:
3980:
3977:
3975:
3972:
3970:
3967:
3963:
3960:
3959:
3958:
3955:
3953:
3950:
3948:
3945:
3943:
3940:
3938:
3935:
3933:
3930:
3926:
3923:
3921:
3918:
3917:
3916:
3913:
3911:
3908:
3906:
3903:
3901:
3898:
3896:
3893:
3891:
3888:
3884:
3881:
3880:
3879:
3876:
3874:
3871:
3869:
3866:
3864:
3861:
3859:
3856:
3854:
3851:
3850:
3847:
3841:
3838:
3837:
3834:
3825:
3820:
3818:
3813:
3811:
3806:
3805:
3802:
3790:
3787:
3785:
3780:
3775:
3774:
3771:
3765:
3764:Solving chess
3762:
3760:
3757:
3755:
3754:Chess prodigy
3752:
3748:
3745:
3743:
3740:
3739:
3738:
3737:Chess problem
3735:
3731:
3728:
3726:
3723:
3721:
3718:
3716:
3713:
3712:
3711:
3708:
3706:
3703:
3701:
3698:
3696:
3693:
3691:
3688:
3687:
3685:
3681:
3675:
3672:
3670:
3667:
3665:
3662:
3658:
3657:
3653:
3651:
3648:
3646:
3645:opening books
3643:
3642:
3641:
3638:
3634:
3633:short stories
3631:
3629:
3626:
3624:
3621:
3619:
3616:
3614:
3611:
3609:
3606:
3605:
3604:
3601:
3599:
3596:
3594:
3591:
3590:
3588:
3586:Art and media
3584:
3576:
3573:
3571:
3568:
3566:
3563:
3561:
3558:
3556:
3553:
3551:
3548:
3547:
3545:
3541:
3538:
3536:
3533:
3531:
3528:
3526:
3523:
3521:
3518:
3516:
3513:
3511:
3508:
3506:
3503:
3501:
3498:
3496:
3493:
3492:
3490:
3486:
3483:
3481:
3478:
3476:
3473:
3471:
3468:
3467:
3466:
3463:
3459:
3456:
3455:
3454:
3451:
3449:
3446:
3445:
3443:
3441:
3437:
3431:
3428:
3426:
3423:
3421:
3418:
3416:
3413:
3411:
3408:
3404:
3401:
3399:
3398:triangulation
3396:
3394:
3393:Tarrasch rule
3391:
3389:
3386:
3384:
3381:
3380:
3378:
3374:
3371:
3369:
3366:
3365:
3364:
3361:
3359:
3356:
3354:
3353:Queen vs rook
3351:
3349:
3348:Queen vs pawn
3346:
3344:
3341:
3339:
3336:
3334:
3331:
3329:
3326:
3324:
3321:
3320:
3318:
3316:
3312:
3300:
3297:
3295:
3292:
3290:
3287:
3286:
3285:
3282:
3280:
3277:
3273:
3270:
3269:
3268:
3265:
3264:
3262:
3258:
3252:
3249:
3247:
3244:
3240:
3237:
3235:
3232:
3230:
3227:
3225:
3222:
3220:
3217:
3216:
3215:
3212:
3210:
3207:
3205:
3204:London System
3202:
3198:
3195:
3193:
3190:
3188:
3185:
3183:
3180:
3178:
3175:
3173:
3170:
3168:
3165:
3163:
3162:Modern Benoni
3160:
3158:
3155:
3154:
3153:
3150:
3148:
3145:
3143:
3142:Dutch Defence
3140:
3138:
3135:
3133:
3130:
3129:
3127:
3125:
3121:
3113:
3110:
3108:
3105:
3103:
3099:
3096:
3094:
3091:
3090:
3089:
3086:
3084:
3081:
3077:
3074:
3073:
3072:
3069:
3067:
3064:
3060:
3057:
3055:
3052:
3050:
3047:
3045:
3042:
3040:
3037:
3035:
3032:
3030:
3027:
3025:
3022:
3020:
3019:King's Gambit
3017:
3015:
3012:
3010:
3007:
3005:
3002:
3001:
3000:
2997:
2995:
2992:
2990:
2987:
2985:
2982:
2980:
2977:
2975:
2972:
2971:
2969:
2967:
2963:
2955:
2952:
2950:
2947:
2946:
2945:
2942:
2940:
2937:
2935:
2934:Grob's Attack
2932:
2930:
2927:
2925:
2924:Dunst Opening
2922:
2920:
2917:
2915:
2914:Benko Opening
2912:
2911:
2909:
2907:
2906:Flank opening
2903:
2900:
2898:
2894:
2888:
2885:
2883:
2880:
2878:
2875:
2871:
2868:
2866:
2863:
2861:
2858:
2856:
2853:
2852:
2851:
2848:
2846:
2843:
2839:
2836:
2835:
2834:
2831:
2827:
2824:
2823:
2822:
2819:
2817:
2814:
2813:
2811:
2809:
2805:
2799:
2796:
2794:
2791:
2789:
2786:
2784:
2781:
2779:
2776:
2772:
2769:
2768:
2767:
2764:
2762:
2759:
2757:
2754:
2752:
2749:
2747:
2744:
2742:
2739:
2737:
2734:
2732:
2729:
2727:
2724:
2722:
2719:
2717:
2714:
2712:
2709:
2707:
2704:
2702:
2699:
2695:
2692:
2691:
2690:
2687:
2685:
2682:
2681:
2679:
2677:
2673:
2667:
2664:
2662:
2661:Transposition
2659:
2657:
2654:
2652:
2649:
2645:
2642:
2640:
2637:
2635:
2632:
2630:
2627:
2625:
2622:
2621:
2620:
2617:
2615:
2612:
2608:
2605:
2604:
2603:
2600:
2598:
2595:
2593:
2590:
2588:
2585:
2583:
2580:
2576:
2573:
2571:
2568:
2566:
2563:
2561:
2558:
2556:
2553:
2552:
2551:
2548:
2546:
2543:
2542:
2540:
2538:
2534:
2528:
2525:
2523:
2520:
2516:
2513:
2512:
2511:
2508:
2506:
2503:
2501:
2500:
2496:
2492:
2489:
2487:
2484:
2482:
2479:
2477:
2474:
2472:
2469:
2468:
2467:
2464:
2462:
2459:
2457:
2454:
2452:
2449:
2447:
2444:
2443:
2441:
2439:
2435:
2427:
2424:
2422:
2419:
2417:
2414:
2413:
2412:
2411:Chess museums
2409:
2407:
2404:
2400:
2397:
2395:
2392:
2390:
2387:
2386:
2385:
2382:
2380:
2379:Notable games
2377:
2373:
2370:
2366:
2363:
2361:
2358:
2357:
2356:
2353:
2351:
2348:
2344:
2341:
2340:
2339:
2336:
2335:
2334:
2331:
2327:
2324:
2322:
2319:
2317:
2314:
2312:
2309:
2307:
2304:
2302:
2299:
2297:
2296:
2292:
2290:
2289:
2285:
2284:
2283:
2280:
2279:
2277:
2275:
2271:
2264:
2258:
2256:
2253:
2251:
2248:
2244:
2241:
2239:
2236:
2234:
2231:
2229:
2226:
2224:
2221:
2219:
2216:
2214:
2211:
2210:
2209:
2206:
2202:
2199:
2197:
2194:
2192:
2189:
2188:
2187:
2184:
2183:
2181:
2179:
2175:
2169:
2168:World records
2166:
2162:
2159:
2158:
2157:
2154:
2150:
2147:
2145:
2142:
2141:
2140:
2139:Rating system
2137:
2131:
2128:
2127:
2126:
2123:
2121:
2118:
2117:
2116:
2113:
2111:
2108:
2106:
2103:
2101:
2098:
2094:
2091:
2089:
2086:
2084:
2081:
2079:
2076:
2075:
2074:
2071:
2067:
2064:
2063:
2062:
2059:
2057:
2054:
2053:
2051:
2049:
2045:
2041:
2034:
2029:
2027:
2022:
2020:
2015:
2014:
2011:
2004:
2001:
2000:
1990:
1986:
1981:
1977:
1971:
1967:
1963:
1959:
1955:
1953:0-19-280049-3
1949:
1945:
1941:
1940:
1935:
1931:
1930:Hooper, David
1927:
1923:
1921:0-486-22687-5
1917:
1913:
1909:
1904:
1903:
1892:
1886:
1879:
1873:
1859:on 2007-09-14
1858:
1854:
1848:
1842:
1837:
1828:
1821:
1815:
1808:
1802:
1795:
1789:
1782:
1776:
1768:
1761:
1754:. p. 11.
1753:
1746:
1738:
1737:
1732:
1726:
1722:
1712:
1711:
1706:
1702:
1698:
1695:
1690:
1681:
1676:
1672:
1666:
1657:
1656:
1655:post-key play
1651:
1650:
1645:
1641:
1638:virtual play
1633:
1629:
1625:
1619:
1610:
1606:
1598:
1597:flight square
1594:
1588:
1579:
1575:
1571:
1567:
1563:
1555:
1547:
1546:
1541:
1537:
1533:
1530:
1523:
1522:
1521:virtual plays
1517:
1513:
1505:
1501:
1497:
1493:
1489:
1481:
1477:
1473:
1465:
1457:
1453:
1449:
1443:
1434:
1433:
1428:
1420:
1416:
1408:
1407:phase of play
1404:
1400:
1396:
1392:
1388:
1384:
1376:
1373:
1366:
1363:
1356:
1352:
1348:
1344:
1341:, the letter
1340:
1336:
1330:
1321:
1317:
1313:
1309:
1305:
1297:
1296:
1291:
1283:
1279:
1278:retroanalysis
1275:
1272:
1265:
1261:
1257:
1251:
1242:
1241:
1236:
1233:
1225:
1222:
1215:
1211:
1208:
1201:
1197:
1193:
1190:
1183:
1179:
1175:
1171:
1163:
1159:
1155:
1152:
1145:
1141:
1137:
1136:
1130:
1129:chess problem
1126:
1123:
1116:
1115:post-key play
1112:
1111:phase of play
1108:
1104:
1100:
1096:
1093:
1088:
1079:
1075:
1071:
1067:
1059:
1058:
1053:
1045:
1039:
1030:
1026:
1023:
1018:
1009:
1005:
1001:
997:
989:
986:
979:
975:
971:
967:
963:
959:
955:
947:
943:
939:
936:
929:
921:
920:
915:
907:
902:
896:
887:
886:
881:
877:
869:
868:phase of play
865:
862:
857:
847:
844:king's field
839:
838:
833:
827:
818:
817:
812:
811:
806:
805:
800:
799:
794:
793:
788:
787:
782:
779:
772:
764:
760:
757:
752:
743:
742:
737:
729:
728:
723:
720:
713:
712:
707:
703:
697:
688:
685:
678:
675:
668:
664:
660:
654:
645:
641:
636:
628:
627:
622:
614:
610:
606:
602:
598:
595:
590:
581:
577:
573:
572:chess problem
569:
561:
556:
550:
541:
537:
529:
525:
521:
517:
513:
505:
501:
497:
489:
485:
482:
475:
471:
467:
463:
458:
452:
443:
439:
434:
425:
421:
413:
409:
408:chess problem
405:
397:
393:
389:
388:line vacation
385:
381:
375:
366:
362:
354:
350:
346:
342:
338:
334:
330:
326:
317:
309:
308:Allumwandlung
305:
302:
297:
288:
284:
275:
271:
267:
263:
260:anticipation
255:
254:
249:
246:anti-Bristol
241:
237:
233:
232:chess problem
229:
226:
225:Allumwandlung
219:
218:
212:
211:chess problem
208:
205:
198:
197:
196:post-key play
192:
186:
174:
171:
169:
166:
164:
161:
159:
156:
154:
151:
149:
146:
144:
141:
139:
136:
134:
131:
129:
126:
124:
121:
119:
116:
114:
111:
109:
106:
104:
101:
99:
96:
94:
91:
89:
86:
84:
81:
79:
76:
74:
71:
69:
66:
64:
61:
59:
56:
54:
51:
50:
40:
38:
34:
30:
26:
22:
4113:Trampolining
4103:Table tennis
4068:Rugby league
4013:Gaelic games
3919:
3741:
3710:Chess engine
3695:Chess boxing
3655:
3425:Wrong bishop
3272:theory table
3246:Torre Attack
3229:Slav Defence
3137:Colle System
3112:Scheveningen
3071:Pirc Defence
3014:Italian Game
3009:Giuoco Piano
2954:RĂ©ti Opening
2877:Piece values
2865:MarĂłczy Bind
2826:the exchange
2816:Compensation
2746:Interference
2736:Double check
2510:Time control
2497:
2471:by agreement
2399:grandmasters
2343:South Africa
2293:
2286:
2262:Score sheets
2208:Chess pieces
2115:Online chess
2061:Chess titles
2056:Chess theory
1984:
1965:
1937:
1910:. New York:
1907:
1890:
1885:
1877:
1872:
1861:. Retrieved
1857:the original
1847:
1836:
1827:
1819:
1814:
1806:
1801:
1793:
1788:
1781:king's field
1780:
1775:
1766:
1760:
1751:
1745:
1734:
1725:
1708:
1705:Erich Zepler
1653:
1647:
1595:To create a
1580:and others).
1566:three-movers
1543:
1540:Henry Turton
1519:
1506:and others).
1486:three-mover
1430:
1418:
1390:
1353:, a popular
1346:
1342:
1302:royal piece
1293:
1277:
1263:
1238:
1237:Synonym for
1182:virtual play
1133:
1110:
1073:
1055:
1054:Synonym for
980:and others).
970:three-movers
961:
917:
883:
835:
814:
808:
802:
798:anti-Bristol
796:
790:
784:
778:interference
741:anti-Bristol
739:
725:
709:
643:
639:
626:king's field
624:
605:fairy pieces
527:
519:
461:
441:
412:chess puzzle
402:composition
395:
391:
387:
383:
348:
340:
331:provides no
273:
269:
251:
240:fairy pieces
215:
194:
189:actual play
20:
18:
4073:Rugby union
3895:Board games
3640:Chess books
3440:Tournaments
3294:Fool's mate
3059:Vienna Game
3049:Scotch Game
2882:Prophylaxis
2798:Zwischenzug
2783:Undermining
2751:Overloading
2711:Combination
2560:descriptive
2255:Chess table
2250:Chess clock
2066:Grandmaster
2003:Problemesis
1820:royal piece
1570:more-movers
1496:more-movers
1456:Babson task
1425:switchback
1372:seriesmover
1355:fairy piece
1288:round trip
1254:reflexmate
1240:composition
1200:composition
1196:chess study
1050:orthochess
952:more-mover
899:maximummer
882:. Antonym:
734:Holzhausen
708:. Antonym:
663:fairy chess
657:grid board
613:grid boards
601:maximummers
594:fairy chess
476:and others.
474:reflexmates
455:directmate
442:anchor ring
301:Babson task
281:aristocrat
274:plagiarised
270:anticipated
236:fairy chess
4156:Categories
4123:Water polo
4118:Volleyball
4048:Pickleball
4043:Motorsport
4028:Ice hockey
4023:Gymnastics
3979:Equestrian
3947:Cue sports
3890:Basketball
3747:joke chess
3700:Chess club
3388:opposition
2845:Middlegame
2833:Initiative
2756:Pawn storm
2721:Deflection
2592:Key square
2582:Fianchetto
2515:Fast chess
2499:En passant
2191:chessboard
1987:. London:
1900:References
1863:2007-10-07
1794:Orthochess
1699:A kind of
1675:Holzhausen
1603:uncapture
1560:two-mover
1534:A kind of
1492:two-movers
1432:round trip
1413:solus rex
1387:directmate
1351:nightrider
1295:switchback
1282:proof game
1207:proof game
1158:Holzhausen
1122:Pickaninny
1097:After the
998:A type of
966:two-movers
958:directmate
935:model mate
926:miniature
849:checkmate.
804:Holzhausen
756:ideal mate
667:Grid chess
640:self-block
566:Excelsior
481:domination
462:directmate
427:published.
378:clearance
253:Holzhausen
217:Pickaninny
168:References
4128:Wing Chun
3974:Disc golf
3868:Athletics
3730:Stockfish
3720:Deep Blue
3715:AlphaZero
3623:paintings
3415:Tablebase
3379:Strategy
3284:Irregular
3039:Ruy Lopez
2999:Open Game
2766:Sacrifice
2726:Desperado
2629:connected
2602:Open file
2597:King walk
2555:algebraic
2486:Stalemate
2461:Checkmate
2186:Chess set
2178:Equipment
1936:(1996) .
1891:uncapture
1680:Plachutta
1578:selfmates
1574:helpmates
1504:selfmates
1500:helpmates
1419:rex solus
1381:set play
1316:promotion
1312:checkmate
1221:pure mate
1151:Plachutta
978:selfmates
974:helpmates
942:pure mate
919:miniature
912:meredith
906:selfmates
816:Plachutta
763:pure mate
684:grotesque
494:doubling
470:selfmates
466:helpmates
422:A second
4141:Category
3932:Climbing
3878:Baseball
3789:Category
3742:glossary
3403:Zugzwang
3383:fortress
3315:Endgames
3224:Declined
3219:Accepted
2897:Openings
2855:Hedgehog
2821:Exchange
2808:Strategy
2788:Windmill
2639:isolated
2624:backward
2446:Castling
2389:amateurs
2282:Timeline
2156:Variants
2110:Glossary
2093:software
2078:glossary
1701:doubling
1649:set play
1622:version
1591:unblock
1536:doubling
1454:, e.g.,
1391:set play
1362:selfmate
1320:castling
1260:selfmate
1178:set play
1107:set play
1101:, after
1029:Grimshaw
1004:set play
786:Grimshaw
719:helpmate
674:Grimshaw
576:Sam Loyd
553:economy
540:helpmate
438:toroidal
359:by-play
345:set play
337:zugzwang
314:battery
277:however.
4098:Surfing
4038:Kho kho
4033:Kabaddi
3996:Fencing
3957:Cycling
3952:Curling
3942:Cricket
3900:Bowling
3858:Archery
3690:Arbiter
3683:Related
3540:Solving
3530:Amateur
3107:Najdorf
2689:Battery
2676:Tactics
2651:Swindle
2634:doubled
2614:Outpost
2545:Blunder
2360:Armenia
2274:History
2120:Premove
2088:engines
2083:matches
2048:Outline
1878:unblock
1736:YouTube
1628:economy
1470:threat
1189:problem
1144:English
1138:. (The
1022:Novotny
994:mutate
880:economy
792:Novotny
706:economy
534:duplex
488:studies
396:Bristol
264:If the
4108:Tennis
4063:Rowing
3628:poetry
3618:novels
3593:CaĂŻssa
3525:Senior
3515:Junior
3098:Dragon
3093:Alapin
2778:Skewer
2644:passed
2587:Gambit
2394:female
2355:Europe
2338:Africa
2233:Knight
2228:Bishop
1972:
1950:
1918:
1707:. Cf.
1542:. Cf.
1480:blocks
1462:theme
1403:mutate
1232:puzzle
1135:Albino
1076:; see
874:light
837:cooked
727:duplex
700:heavy
619:field
578:; see
353:mutate
333:threat
323:block
319:check.
220:theme.
204:Albino
4053:Poker
3969:Darts
3962:parts
3915:Chess
3905:Bowls
3575:WCSCC
3520:Youth
3510:Blitz
3505:Rapid
3495:Women
3458:Women
3410:Study
3260:Other
2793:X-ray
2716:Decoy
2701:Block
2656:Tempo
2619:Pawns
2537:Terms
2456:Check
2438:Rules
2372:India
2365:Spain
2350:China
2243:Fairy
2218:Queen
2149:norms
2040:Chess
1914:Inc.
1718:Notes
1552:twin
1452:theme
1446:task
1399:block
1308:check
1103:tries
1092:phase
1000:block
985:motif
885:heavy
861:Lacny
711:light
611:, or
560:theme
510:dual
418:cook
365:theme
287:pawns
266:theme
163:Notes
19:This
4093:Sumo
4018:Golf
3613:film
3570:WCCC
3565:TCEC
3555:CSVN
3500:Team
3470:List
2741:Fork
2666:Trap
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