195:
3100:
817:
Maintenance update with minor bug corrections and new analysis options. MultiPV_cp option to limit multi-PV analysis to moves within a range of the best move. FiftyMoveDistance option to make the 50-move rule kick in earlier. UCI_Elo and UCI_LimitStrength options as UCI standard-compliant alternative
780:
First commercial release. Improved analysis capabilities, enhanced search and evaluation. Houdini Pro version for high-end users with powerful hardware (multi-core support). Chess960 support. Strength limit feature. Position learning. Save hash to file, load hash from file, never clear hash.
1052:
revoking
Houdini's championship results, and disallowing Houdini from competing. Leaked source code has seemingly been shown to produce almost identical play to Houdini 5.0 and Houdini 6.0, while containing direct references to Stockfish in the code documentation.
1048:
Houdini 5.0 and
Houdini 6.0 have been alleged to be Stockfish 8 derivatives without providing the sources on request, and thus, violating the GPL license. This has resulted in
836:
Major new version. Improved search and evaluation (+50 Elo), Tactical Mode, Scorpio bitbases, accelerated
Principal Variation Search "Smart Fail-High", optimized hash usage.
1018:, so a chess GUI is needed for running the engine. Houdini 5 uses calibrated evaluations in which engine scores correlate directly with the win expectancy in the position.
1171:
1064:. As part of the settlement agreement, ChessBase has conceded the allegations. Houdini 6.0 is also no longer available on ChessBase's website as a result.
615:, where an attacking, sacrificial style was predominant. According to Robert Houdart, Houdini's advantage against other top engines is in its handling of
1646:
589:
281:
1271:
2880:
2432:
240:
2895:
2855:
1215:
2875:
582:
2870:
204:
2422:
1076:, with three championship wins to date, but since season 18 it no longer participates in TCEC due to plagiarized code (see
251:
1127:
256:
2815:
2678:
2663:
2427:
856:
Major new version. Improved search and evaluation (+50 Elo), 6-men Syzygy table bases (coding provided by Ronald de Man)
1257:
2953:
2418:
2413:
1741:
2890:
2790:
2683:
2648:
575:
2860:
2850:
2768:
2653:
1403:
1398:
1197:
1175:
95:
2845:
2835:
1351:
1111:"Houdini with Black pieces in the Thoresen Chess Engines Competition. Game shows Houdini playing style from 6:23"
2840:
2830:
2825:
1488:
1450:
2975:
2885:
2820:
2396:
2158:
1709:
376:
2234:
1714:
246:
2989:
2938:
2643:
271:
57:
3062:
3040:
2948:
2933:
2592:
2544:
2539:
2529:
2197:
1875:
1719:
1115:
1061:
371:
321:
1243:
175:. Versions up to 1.5a are available for non-commercial use, while 2.0 and later are commercial only.
2994:
2928:
2778:
2673:
2668:
2517:
1011:
1003:
391:
146:
1010:
only supports up to 8 processor cores, 4 GB of hash and is not NUMA-aware. As with many other
2970:
2943:
2785:
2502:
1895:
1890:
1847:
1746:
1015:
1581:
3079:
2604:
2269:
331:
1615:
3135:
3130:
2658:
2587:
1885:
1731:
1636:
1481:
1413:
1026:
Houdini has had a history of allegations against it that it contains code from other engines.
506:
481:
441:
266:
1275:
2795:
2718:
2599:
2299:
2294:
1981:
1704:
1663:
1445:
351:
286:
976:
Correction for incorrect detection of stalemate in positions with white pawn capture moves.
2507:
2444:
2403:
2364:
2146:
2136:
2066:
1880:
1811:
1736:
1621:
1420:
999:
995:
551:
160:
156:
112:
916:
Major new version. Improved search and evaluation (+50-60 Elo), enhanced multi-threading.
8:
2960:
2740:
2487:
2374:
2344:
2314:
2286:
2259:
2202:
2103:
2071:
2031:
1986:
1699:
1641:
1516:
1464:
1459:
1386:
1344:
1229:
876:
Major new version, about 200 Elo stronger. Rewritten evaluation function, deeper search.
531:
276:
236:
229:
2497:
3067:
2965:
2708:
2512:
2153:
2041:
2004:
1653:
1521:
1089:
316:
261:
1323:
1109:
3050:
2923:
2735:
2693:
2619:
2571:
2554:
2534:
2386:
2324:
2264:
2239:
2086:
2051:
2046:
2026:
2014:
1857:
1825:
1791:
1771:
1608:
1602:
1563:
1430:
546:
326:
168:
88:
3045:
2918:
2760:
2703:
2609:
2559:
2408:
2354:
2349:
2339:
2254:
2175:
2165:
2141:
2108:
1680:
1594:
1368:
1297:
1037:, which initially lead to Houdini 1.0 to not be tested in any rating lists such as
616:
608:
496:
456:
107:
83:
3010:
2984:
2805:
2800:
2750:
2688:
2492:
2467:
2452:
2249:
2207:
2190:
2091:
2009:
1971:
1949:
1934:
1865:
1842:
1801:
1796:
1675:
1658:
1498:
762:
Maintenance update with work-arounds for Fritz GUI and other minor improvements.
299:
2274:
2185:
1090:
TCEC Houdini - Rybka Match 2011 · Queen Pawn Game: London System (D02) · 1–0
3109:
3025:
2773:
2614:
2477:
2472:
2309:
2304:
2170:
2128:
2098:
1927:
1870:
1758:
1726:
1692:
1685:
1670:
1631:
1626:
1553:
1548:
1393:
1337:
612:
491:
476:
344:
303:
216:
186:
3124:
3084:
3074:
3057:
2730:
2713:
2635:
2524:
2482:
2462:
2244:
2226:
2217:
2180:
2113:
2036:
2021:
1976:
1959:
1954:
1944:
1776:
1538:
1476:
561:
536:
521:
451:
386:
3104:
3030:
3015:
2745:
2566:
2549:
2457:
2391:
2334:
2329:
2061:
2056:
1996:
1939:
1830:
1786:
1558:
1543:
1533:
1469:
1435:
1408:
1376:
708:
Multi-PV, searchmove and large page support. Improved evaluation function.
516:
409:
356:
149:
100:
1316:
1155:
123:
2379:
2369:
2118:
2081:
1964:
1575:
1570:
1528:
1381:
431:
421:
799:
Maintenance update with minor bug corrections and
Nalimov EGTB support.
3020:
2076:
1912:
1902:
1835:
1819:
1511:
936:
Maintenance update with
Nalimov EGTB correction and new output option.
619:, which is why it "favors aggressive play that tries to win the game".
501:
436:
366:
25:
1582:
3035:
2359:
2319:
1922:
1917:
1806:
1781:
1506:
1201:
1057:
896:
Maintenance update with some interface corrections and improvements.
556:
541:
486:
461:
446:
416:
2913:
194:
2723:
1766:
1056:
On 20 July 2021, the
Stockfish team announced legal action against
361:
1440:
1128:"Interview with Robert Houdart, Mark Lefler and GM Larry Kaufman"
1060:
alleging that
Houdini 6 and Fat Fritz 2 were in violation of the
1030:
311:
164:
153:
1216:"ChessBase's Fat Fritz 2 condemned as 'rip-off' Stockfish clone"
690:
SMP and hash collision bug fixes. Work-around for
Shredder GUI.
1907:
611:
Tryfon
Gavriel compared Houdini's playing style to that of the
511:
466:
426:
396:
381:
172:
1360:
1034:
526:
982:
The latest stable release of
Houdini comes in two versions:
744:
Improved search and evaluation. Gaviota Table Base Support.
1425:
1073:
1049:
1042:
1038:
211:
1198:"Open Source Community Critical Of Chessbase, Fat Fritz 2"
1072:
Houdini used to be one of the most successful engines in
3099:
1329:
818:
to Strength option. Exit on detection with GUI exit.
3122:
1172:"Free Houdini beats commercial Rybka 23.5-16.5"
956:Maintenance update with Polyglot book support.
1326:about the genesis and strengths of his program
1174:. Chessvibes. 10 February 2010. Archived from
1345:
1258:"Settlement Reached in Stockfish v ChessBase"
1166:
1164:
583:
1352:
1338:
1161:
1151:
1149:
1092:Houdini plays a pawn sacrifice on move 43.
590:
576:
1033:derivative, and to have plagiarized from
1146:
3123:
1067:
1029:Houdini 1.0 has been alleged to be an
607:Chess commentator and video annotator
1333:
1272:"Houdini is TCEC Season 10 champion!"
672:Bug fixes, improved search algorithm
252:Efficiently updatable neural networks
181:This article is part of the series on
159:Robert Houdart. It is influenced by
13:
1077:
622:
14:
3147:
1308:
1274:. 7 December 2017. Archived from
1230:"Engines and authors - TCEC wiki"
3098:
2769:List of strong chess tournaments
1083:
1021:
602:
257:Handcrafted evaluation functions
193:
63:6.03 / November 20, 2017
1742:Gökyay Association Chess Museum
1290:
1264:
1244:"Our lawsuit against ChessBase"
1014:engines, Houdini comes with no
1250:
1236:
1222:
1208:
1190:
1120:
1103:
1:
2867:Computer chess championships
1096:
994:supports up to 128 processor
1218:. chess24. 22 February 2021.
925:September 24, 2017
905:September 15, 2017
7:
2644:Bishop and knight checkmate
965:November 20, 2017
885:November 15, 2016
845:November 25, 2013
807:November 20, 2011
770:September 1, 2011
734:December 15, 2010
626:
272:Stochastic gradient descent
10:
3152:
2812:Other world championships
1062:GNU General Public License
865:November 7, 2016
826:October 15, 2012
789:November 7, 2011
752:January 15, 2011
322:Principal variation search
3093:
3003:
2906:
2759:
2654:Opposite-coloured bishops
2634:
2580:
2443:
2285:
2225:
2216:
2127:
1995:
1856:
1757:
1593:
1497:
1367:
1359:
945:October 1, 2017
118:
106:
94:
82:
78:
56:
52:
34:
24:
2786:World Chess Championship
1747:World Chess Hall of Fame
1298:"TCEC Season 18 Engines"
1158:, Retrieved 16 June 2012
3080:Simultaneous exhibition
2990:Chess newspaper columns
2679:Rook and bishop vs rook
2664:Queen and pawn vs queen
716:July 17, 2010
698:July 15, 2010
680:June 18, 2010
332:Monte Carlo tree search
2530:Richter–Veresov Attack
2518:Queen's Indian Defence
1324:Interview with Houdart
662:June 1, 2010
644:May 15, 2010
442:Dragon by Komodo Chess
267:Reinforcement learning
40:; 14 years ago
2796:Candidates Tournament
2684:Rook and pawn vs rook
2649:King and pawn vs king
2600:List of chess gambits
2503:King's Indian Defence
2181:Isolated Queen's Pawn
1705:List of chess players
1647:Top player comparison
1446:Internet chess server
726:Bug fix for Multi-PV
613:Romantic Era of chess
287:Unsupervised learning
205:Board representations
65:; 6 years ago
2508:Nimzo-Indian Defence
2404:Scandinavian Defense
2365:Semi-Italian Opening
2270:King's Indian Attack
2159:first-move advantage
1812:Threefold repetition
1737:Bobby Fischer Center
1622:Charlemagne chessmen
1616:Göttingen manuscript
1580:
1421:Correspondence chess
237:Deep neural networks
230:Evaluation functions
2741:Two knights endgame
2488:Bogo-Indian Defence
2375:Two Knights Defense
2315:Nimzowitsch Defence
2005:Artificial castling
1642:Soviet chess school
1517:Dubrovnik chess set
1260:. 21 November 2022.
1204:. 25 February 2021.
1134:. November 23, 2017
1068:Competition results
277:Supervised learning
262:Piece-square tables
21:
2971:endgame literature
2513:Old Indian Defense
2423:Accelerated Dragon
2295:Alekhine's Defence
2027:Checkmate patterns
1896:symbols in Unicode
1891:annotation symbols
1654:Geography of chess
1522:Staunton chess set
1278:on 6 November 2020
1008:Houdini 5 Standard
984:Houdini 6 Standard
317:Alpha-beta pruning
19:
3118:
3117:
2995:Chess periodicals
2924:Chess in the arts
2856:Chess composition
2694:Philidor position
2630:
2629:
2572:Trompowsky Attack
2555:Semi-Slav Defence
2445:Queen's Pawn Game
2325:Four Knights Game
2300:Caro–Kann Defence
2265:Zukertort Opening
2052:Discovered attack
1772:Cheating in chess
1609:Versus de scachis
998:, 128 GB of
980:
979:
600:
599:
327:Quiescence search
306:search algorithms
187:Chess programming
140:
139:
89:Microsoft Windows
38:May 15, 2010
3143:
3105:Chess portal
3103:
3102:
3046:Leela Chess Zero
2977:Oxford Companion
2929:early literature
2919:Chess aesthetics
2659:Pawnless endgame
2610:Bongcloud Attack
2588:List of openings
2560:Chigorin Defense
2498:GrĂĽnfeld Defence
2409:Sicilian Defence
2355:Ponziani Opening
2350:Philidor Defence
2345:Petrov's Defence
2287:King's Pawn Game
2260:Larsen's Opening
2223:
2222:
1584:
1354:
1347:
1340:
1331:
1330:
1320:
1319:
1317:Official website
1302:
1301:
1294:
1288:
1287:
1285:
1283:
1268:
1262:
1261:
1254:
1248:
1247:
1240:
1234:
1233:
1226:
1220:
1219:
1212:
1206:
1205:
1194:
1188:
1187:
1185:
1183:
1178:on 10 April 2014
1168:
1159:
1153:
1144:
1143:
1141:
1139:
1124:
1118:
1112:
1107:
972:
970:
952:
950:
932:
930:
912:
910:
892:
890:
872:
870:
852:
850:
833:
831:
814:
812:
796:
794:
777:
775:
759:
757:
741:
739:
723:
721:
705:
703:
687:
685:
669:
667:
651:
649:
627:
592:
585:
578:
497:Leela Chess Zero
197:
178:
177:
136:
133:
131:
129:
127:
125:
84:Operating system
73:
71:
66:
48:
46:
41:
22:
18:
16:UCI chess engine
3151:
3150:
3146:
3145:
3144:
3142:
3141:
3140:
3121:
3120:
3119:
3114:
3097:
3089:
2999:
2985:Chess libraries
2902:
2806:FIDE Grand Prix
2801:Chess World Cup
2755:
2751:Wrong rook pawn
2689:Lucena position
2626:
2576:
2493:Catalan Opening
2468:English Defence
2453:Budapest Gambit
2439:
2397:Austrian Attack
2281:
2250:English Opening
2212:
2208:School of chess
2191:Minority attack
2123:
2092:Queen sacrifice
1991:
1852:
1848:White and Black
1843:Touch-move rule
1802:Perpetual check
1797:Fifty-move rule
1753:
1589:
1586:
1493:
1363:
1358:
1315:
1314:
1311:
1306:
1305:
1296:
1295:
1291:
1281:
1279:
1270:
1269:
1265:
1256:
1255:
1251:
1246:. 20 July 2021.
1242:
1241:
1237:
1228:
1227:
1223:
1214:
1213:
1209:
1196:
1195:
1191:
1181:
1179:
1170:
1169:
1162:
1154:
1147:
1137:
1135:
1126:
1125:
1121:
1110:
1108:
1104:
1099:
1086:
1070:
1024:
968:
966:
948:
946:
928:
926:
908:
906:
888:
886:
868:
866:
848:
846:
829:
827:
810:
808:
792:
790:
773:
771:
755:
753:
737:
735:
719:
717:
701:
699:
683:
681:
665:
663:
647:
645:
625:
623:Version history
605:
596:
567:
566:
412:
402:
401:
347:
345:Chess computers
337:
336:
307:
292:
291:
232:
222:
221:
207:
122:
74:
69:
67:
64:
44:
42:
39:
35:Initial release
17:
12:
11:
5:
3149:
3139:
3138:
3133:
3116:
3115:
3113:
3112:
3107:
3094:
3091:
3090:
3088:
3087:
3082:
3077:
3072:
3071:
3070:
3065:
3055:
3054:
3053:
3048:
3043:
3038:
3028:
3026:Chess composer
3023:
3018:
3013:
3007:
3005:
3001:
3000:
2998:
2997:
2992:
2987:
2982:
2981:
2980:
2973:
2968:
2958:
2957:
2956:
2951:
2946:
2941:
2936:
2931:
2921:
2916:
2910:
2908:
2904:
2903:
2901:
2900:
2899:
2898:
2893:
2888:
2883:
2881:North American
2878:
2873:
2865:
2864:
2863:
2858:
2853:
2848:
2843:
2838:
2833:
2828:
2823:
2818:
2810:
2809:
2808:
2803:
2798:
2793:
2783:
2782:
2781:
2774:Chess Olympiad
2771:
2765:
2763:
2757:
2756:
2754:
2753:
2748:
2743:
2738:
2733:
2728:
2727:
2726:
2721:
2716:
2711:
2706:
2698:
2697:
2696:
2691:
2681:
2676:
2671:
2666:
2661:
2656:
2651:
2646:
2640:
2638:
2632:
2631:
2628:
2627:
2625:
2624:
2623:
2622:
2620:Scholar's mate
2617:
2612:
2602:
2597:
2596:
2595:
2584:
2582:
2578:
2577:
2575:
2574:
2569:
2564:
2563:
2562:
2557:
2552:
2547:
2542:
2535:Queen's Gambit
2532:
2527:
2522:
2521:
2520:
2515:
2510:
2505:
2500:
2495:
2490:
2485:
2480:
2478:Benoni Defence
2473:Indian Defence
2470:
2465:
2460:
2455:
2449:
2447:
2441:
2440:
2438:
2437:
2436:
2435:
2430:
2425:
2416:
2406:
2401:
2400:
2399:
2389:
2387:Owen's Defence
2384:
2383:
2382:
2377:
2372:
2367:
2362:
2357:
2352:
2347:
2342:
2337:
2332:
2327:
2317:
2312:
2310:Modern Defence
2307:
2305:French Defence
2302:
2297:
2291:
2289:
2283:
2282:
2280:
2279:
2278:
2277:
2272:
2262:
2257:
2252:
2247:
2242:
2240:Bird's Opening
2237:
2231:
2229:
2220:
2214:
2213:
2211:
2210:
2205:
2200:
2195:
2194:
2193:
2188:
2183:
2178:
2171:Pawn structure
2168:
2163:
2162:
2161:
2151:
2150:
2149:
2139:
2133:
2131:
2125:
2124:
2122:
2121:
2116:
2111:
2106:
2101:
2096:
2095:
2094:
2084:
2079:
2074:
2069:
2064:
2059:
2054:
2049:
2044:
2039:
2034:
2029:
2024:
2019:
2018:
2017:
2015:Alekhine's gun
2007:
2001:
1999:
1993:
1992:
1990:
1989:
1984:
1979:
1974:
1969:
1968:
1967:
1962:
1957:
1952:
1947:
1937:
1932:
1931:
1930:
1928:Half-open file
1920:
1915:
1910:
1905:
1900:
1899:
1898:
1893:
1888:
1883:
1878:
1871:Chess notation
1868:
1862:
1860:
1854:
1853:
1851:
1850:
1845:
1840:
1839:
1838:
1828:
1826:Pawn promotion
1823:
1816:
1815:
1814:
1809:
1804:
1799:
1794:
1784:
1779:
1774:
1769:
1763:
1761:
1755:
1754:
1752:
1751:
1750:
1749:
1744:
1739:
1729:
1727:Women in chess
1724:
1723:
1722:
1717:
1712:
1702:
1697:
1696:
1695:
1690:
1689:
1688:
1683:
1673:
1668:
1667:
1666:
1651:
1650:
1649:
1644:
1639:
1637:Hypermodernism
1634:
1632:Romantic chess
1629:
1627:Lewis chessmen
1624:
1619:
1612:
1599:
1597:
1591:
1590:
1588:
1587:
1578:
1573:
1568:
1567:
1566:
1561:
1556:
1551:
1546:
1541:
1536:
1526:
1525:
1524:
1519:
1514:
1503:
1501:
1495:
1494:
1492:
1491:
1486:
1485:
1484:
1474:
1473:
1472:
1467:
1465:world rankings
1457:
1456:
1455:
1454:
1453:
1443:
1433:
1428:
1423:
1418:
1417:
1416:
1411:
1406:
1401:
1394:Computer chess
1391:
1390:
1389:
1379:
1373:
1371:
1365:
1364:
1357:
1356:
1349:
1342:
1334:
1328:
1327:
1321:
1310:
1309:External links
1307:
1304:
1303:
1300:. 25 May 2020.
1289:
1263:
1249:
1235:
1221:
1207:
1189:
1160:
1145:
1119:
1101:
1100:
1098:
1095:
1094:
1093:
1085:
1082:
1069:
1066:
1023:
1020:
1002:(hash) and is
978:
977:
974:
962:
958:
957:
954:
942:
938:
937:
934:
922:
918:
917:
914:
902:
898:
897:
894:
882:
878:
877:
874:
862:
858:
857:
854:
842:
838:
837:
834:
824:
820:
819:
815:
805:
801:
800:
797:
787:
783:
782:
778:
768:
764:
763:
760:
750:
746:
745:
742:
732:
728:
727:
724:
714:
710:
709:
706:
696:
692:
691:
688:
678:
674:
673:
670:
660:
656:
655:
654:First release
652:
642:
638:
637:
634:
631:
624:
621:
617:piece mobility
604:
601:
598:
597:
595:
594:
587:
580:
572:
569:
568:
565:
564:
559:
554:
549:
544:
539:
534:
529:
524:
519:
514:
509:
504:
499:
494:
489:
484:
479:
474:
469:
464:
459:
454:
449:
444:
439:
434:
429:
424:
419:
413:
408:
407:
404:
403:
400:
399:
394:
389:
384:
379:
374:
369:
364:
359:
354:
348:
343:
342:
339:
338:
335:
334:
329:
324:
319:
314:
308:
298:
297:
294:
293:
290:
289:
284:
279:
274:
269:
264:
259:
254:
249:
244:
233:
228:
227:
224:
223:
220:
219:
214:
208:
203:
202:
199:
198:
190:
189:
183:
182:
138:
137:
120:
116:
115:
110:
104:
103:
98:
92:
91:
86:
80:
79:
76:
75:
62:
60:
58:Stable release
54:
53:
50:
49:
36:
32:
31:
30:Robert Houdart
28:
15:
9:
6:
4:
3:
2:
3148:
3137:
3136:2010 software
3134:
3132:
3131:Chess engines
3129:
3128:
3126:
3111:
3108:
3106:
3101:
3096:
3095:
3092:
3086:
3085:Solving chess
3083:
3081:
3078:
3076:
3075:Chess prodigy
3073:
3069:
3066:
3064:
3061:
3060:
3059:
3058:Chess problem
3056:
3052:
3049:
3047:
3044:
3042:
3039:
3037:
3034:
3033:
3032:
3029:
3027:
3024:
3022:
3019:
3017:
3014:
3012:
3009:
3008:
3006:
3002:
2996:
2993:
2991:
2988:
2986:
2983:
2979:
2978:
2974:
2972:
2969:
2967:
2966:opening books
2964:
2963:
2962:
2959:
2955:
2954:short stories
2952:
2950:
2947:
2945:
2942:
2940:
2937:
2935:
2932:
2930:
2927:
2926:
2925:
2922:
2920:
2917:
2915:
2912:
2911:
2909:
2907:Art and media
2905:
2897:
2894:
2892:
2889:
2887:
2884:
2882:
2879:
2877:
2874:
2872:
2869:
2868:
2866:
2862:
2859:
2857:
2854:
2852:
2849:
2847:
2844:
2842:
2839:
2837:
2834:
2832:
2829:
2827:
2824:
2822:
2819:
2817:
2814:
2813:
2811:
2807:
2804:
2802:
2799:
2797:
2794:
2792:
2789:
2788:
2787:
2784:
2780:
2777:
2776:
2775:
2772:
2770:
2767:
2766:
2764:
2762:
2758:
2752:
2749:
2747:
2744:
2742:
2739:
2737:
2734:
2732:
2729:
2725:
2722:
2720:
2719:triangulation
2717:
2715:
2714:Tarrasch rule
2712:
2710:
2707:
2705:
2702:
2701:
2699:
2695:
2692:
2690:
2687:
2686:
2685:
2682:
2680:
2677:
2675:
2674:Queen vs rook
2672:
2670:
2669:Queen vs pawn
2667:
2665:
2662:
2660:
2657:
2655:
2652:
2650:
2647:
2645:
2642:
2641:
2639:
2637:
2633:
2621:
2618:
2616:
2613:
2611:
2608:
2607:
2606:
2603:
2601:
2598:
2594:
2591:
2590:
2589:
2586:
2585:
2583:
2579:
2573:
2570:
2568:
2565:
2561:
2558:
2556:
2553:
2551:
2548:
2546:
2543:
2541:
2538:
2537:
2536:
2533:
2531:
2528:
2526:
2525:London System
2523:
2519:
2516:
2514:
2511:
2509:
2506:
2504:
2501:
2499:
2496:
2494:
2491:
2489:
2486:
2484:
2483:Modern Benoni
2481:
2479:
2476:
2475:
2474:
2471:
2469:
2466:
2464:
2463:Dutch Defence
2461:
2459:
2456:
2454:
2451:
2450:
2448:
2446:
2442:
2434:
2431:
2429:
2426:
2424:
2420:
2417:
2415:
2412:
2411:
2410:
2407:
2405:
2402:
2398:
2395:
2394:
2393:
2390:
2388:
2385:
2381:
2378:
2376:
2373:
2371:
2368:
2366:
2363:
2361:
2358:
2356:
2353:
2351:
2348:
2346:
2343:
2341:
2340:King's Gambit
2338:
2336:
2333:
2331:
2328:
2326:
2323:
2322:
2321:
2318:
2316:
2313:
2311:
2308:
2306:
2303:
2301:
2298:
2296:
2293:
2292:
2290:
2288:
2284:
2276:
2273:
2271:
2268:
2267:
2266:
2263:
2261:
2258:
2256:
2255:Grob's Attack
2253:
2251:
2248:
2246:
2245:Dunst Opening
2243:
2241:
2238:
2236:
2235:Benko Opening
2233:
2232:
2230:
2228:
2227:Flank opening
2224:
2221:
2219:
2215:
2209:
2206:
2204:
2201:
2199:
2196:
2192:
2189:
2187:
2184:
2182:
2179:
2177:
2174:
2173:
2172:
2169:
2167:
2164:
2160:
2157:
2156:
2155:
2152:
2148:
2145:
2144:
2143:
2140:
2138:
2135:
2134:
2132:
2130:
2126:
2120:
2117:
2115:
2112:
2110:
2107:
2105:
2102:
2100:
2097:
2093:
2090:
2089:
2088:
2085:
2083:
2080:
2078:
2075:
2073:
2070:
2068:
2065:
2063:
2060:
2058:
2055:
2053:
2050:
2048:
2045:
2043:
2040:
2038:
2035:
2033:
2030:
2028:
2025:
2023:
2020:
2016:
2013:
2012:
2011:
2008:
2006:
2003:
2002:
2000:
1998:
1994:
1988:
1985:
1983:
1982:Transposition
1980:
1978:
1975:
1973:
1970:
1966:
1963:
1961:
1958:
1956:
1953:
1951:
1948:
1946:
1943:
1942:
1941:
1938:
1936:
1933:
1929:
1926:
1925:
1924:
1921:
1919:
1916:
1914:
1911:
1909:
1906:
1904:
1901:
1897:
1894:
1892:
1889:
1887:
1884:
1882:
1879:
1877:
1874:
1873:
1872:
1869:
1867:
1864:
1863:
1861:
1859:
1855:
1849:
1846:
1844:
1841:
1837:
1834:
1833:
1832:
1829:
1827:
1824:
1822:
1821:
1817:
1813:
1810:
1808:
1805:
1803:
1800:
1798:
1795:
1793:
1790:
1789:
1788:
1785:
1783:
1780:
1778:
1775:
1773:
1770:
1768:
1765:
1764:
1762:
1760:
1756:
1748:
1745:
1743:
1740:
1738:
1735:
1734:
1733:
1732:Chess museums
1730:
1728:
1725:
1721:
1718:
1716:
1713:
1711:
1708:
1707:
1706:
1703:
1701:
1700:Notable games
1698:
1694:
1691:
1687:
1684:
1682:
1679:
1678:
1677:
1674:
1672:
1669:
1665:
1662:
1661:
1660:
1657:
1656:
1655:
1652:
1648:
1645:
1643:
1640:
1638:
1635:
1633:
1630:
1628:
1625:
1623:
1620:
1618:
1617:
1613:
1611:
1610:
1606:
1605:
1604:
1601:
1600:
1598:
1596:
1592:
1585:
1579:
1577:
1574:
1572:
1569:
1565:
1562:
1560:
1557:
1555:
1552:
1550:
1547:
1545:
1542:
1540:
1537:
1535:
1532:
1531:
1530:
1527:
1523:
1520:
1518:
1515:
1513:
1510:
1509:
1508:
1505:
1504:
1502:
1500:
1496:
1490:
1489:World records
1487:
1483:
1480:
1479:
1478:
1475:
1471:
1468:
1466:
1463:
1462:
1461:
1460:Rating system
1458:
1452:
1449:
1448:
1447:
1444:
1442:
1439:
1438:
1437:
1434:
1432:
1429:
1427:
1424:
1422:
1419:
1415:
1412:
1410:
1407:
1405:
1402:
1400:
1397:
1396:
1395:
1392:
1388:
1385:
1384:
1383:
1380:
1378:
1375:
1374:
1372:
1370:
1366:
1362:
1355:
1350:
1348:
1343:
1341:
1336:
1335:
1332:
1325:
1322:
1318:
1313:
1312:
1299:
1293:
1277:
1273:
1267:
1259:
1253:
1245:
1239:
1231:
1225:
1217:
1211:
1203:
1199:
1193:
1177:
1173:
1167:
1165:
1157:
1152:
1150:
1133:
1129:
1123:
1117:
1113:
1106:
1102:
1091:
1088:
1087:
1084:Notable games
1081:
1079:
1078:Controversies
1075:
1065:
1063:
1059:
1054:
1051:
1046:
1044:
1040:
1036:
1032:
1027:
1022:Controversies
1019:
1017:
1013:
1009:
1005:
1001:
997:
993:
992:Houdini 6 Pro
989:
988:Houdini 6 Pro
985:
975:
973:
963:
960:
959:
955:
953:
943:
940:
939:
935:
933:
923:
920:
919:
915:
913:
903:
900:
899:
895:
893:
883:
880:
879:
875:
873:
863:
860:
859:
855:
853:
843:
840:
839:
835:
825:
822:
821:
816:
806:
803:
802:
798:
788:
785:
784:
779:
769:
766:
765:
761:
751:
748:
747:
743:
733:
730:
729:
725:
715:
712:
711:
707:
697:
694:
693:
689:
679:
676:
675:
671:
661:
658:
657:
653:
643:
640:
639:
635:
633:Release date
632:
629:
628:
620:
618:
614:
610:
603:Playing style
593:
588:
586:
581:
579:
574:
573:
571:
570:
563:
560:
558:
555:
553:
550:
548:
545:
543:
540:
538:
535:
533:
530:
528:
525:
523:
520:
518:
515:
513:
510:
508:
505:
503:
500:
498:
495:
493:
490:
488:
485:
483:
480:
478:
475:
473:
470:
468:
465:
463:
460:
458:
455:
453:
450:
448:
445:
443:
440:
438:
435:
433:
430:
428:
425:
423:
420:
418:
415:
414:
411:
410:Chess engines
406:
405:
398:
395:
393:
390:
388:
385:
383:
380:
378:
375:
373:
370:
368:
365:
363:
360:
358:
355:
353:
350:
349:
346:
341:
340:
333:
330:
328:
325:
323:
320:
318:
315:
313:
310:
309:
305:
301:
296:
295:
288:
285:
283:
280:
278:
275:
273:
270:
268:
265:
263:
260:
258:
255:
253:
250:
248:
245:
242:
238:
235:
234:
231:
226:
225:
218:
215:
213:
210:
209:
206:
201:
200:
196:
192:
191:
188:
185:
184:
180:
179:
176:
174:
170:
166:
162:
158:
155:
152:developed by
151:
148:
144:
135:
121:
117:
114:
111:
109:
105:
102:
99:
97:
93:
90:
87:
85:
81:
77:
61:
59:
55:
51:
37:
33:
29:
27:
23:
3031:Chess engine
3016:Chess boxing
2976:
2746:Wrong bishop
2593:theory table
2567:Torre Attack
2550:Slav Defence
2458:Colle System
2433:Scheveningen
2392:Pirc Defence
2335:Italian Game
2330:Giuoco Piano
2275:RĂ©ti Opening
2198:Piece values
2186:MarĂłczy Bind
2147:the exchange
2137:Compensation
2067:Interference
2057:Double check
1831:Time control
1818:
1792:by agreement
1720:grandmasters
1664:South Africa
1614:
1607:
1583:Score sheets
1529:Chess pieces
1436:Online chess
1382:Chess titles
1377:Chess theory
1292:
1280:. Retrieved
1276:the original
1266:
1252:
1238:
1224:
1210:
1192:
1180:. Retrieved
1176:the original
1138:November 24,
1136:. Retrieved
1132:chessdom.com
1131:
1122:
1105:
1071:
1055:
1047:
1028:
1025:
1007:
991:
987:
983:
981:
964:
944:
924:
904:
884:
864:
844:
606:
471:
377:Deep Thought
357:ChessMachine
282:Texel tuning
241:Transformers
167:/RobboLito,
150:chess engine
142:
141:
101:Chess engine
26:Developer(s)
2961:Chess books
2761:Tournaments
2615:Fool's mate
2380:Vienna Game
2370:Scotch Game
2203:Prophylaxis
2119:Zwischenzug
2104:Undermining
2072:Overloading
2032:Combination
1881:descriptive
1576:Chess table
1571:Chess clock
1387:Grandmaster
432:CuckooChess
422:Chess Tiger
161:open-source
113:Proprietary
3125:Categories
3068:joke chess
3021:Chess club
2709:opposition
2166:Middlegame
2154:Initiative
2077:Pawn storm
2042:Deflection
1913:Key square
1903:Fianchetto
1836:Fast chess
1820:En passant
1512:chessboard
1282:7 December
1182:25 October
1097:References
969:2017-11-20
949:2017-10-01
929:2017-09-24
909:2017-09-15
889:2016-11-15
869:2016-11-07
849:2013-11-25
830:2012-10-15
811:2011-11-20
793:2011-11-07
774:2011-09-01
756:2011-01-15
738:2010-12-15
720:2010-07-17
702:2010-07-15
684:2010-06-18
666:2010-06-01
648:2010-05-15
502:MChess Pro
437:Deep Fritz
367:Cray Blitz
157:programmer
70:2017-11-20
45:2010-05-15
3051:Stockfish
3041:Deep Blue
3036:AlphaZero
2944:paintings
2736:Tablebase
2700:Strategy
2605:Irregular
2360:Ruy Lopez
2320:Open Game
2087:Sacrifice
2047:Desperado
1950:connected
1923:Open file
1918:King walk
1876:algebraic
1807:Stalemate
1782:Checkmate
1507:Chess set
1499:Equipment
1202:chess.com
1058:ChessBase
636:Features
557:Turochamp
547:Stockfish
542:SmarThink
487:KnightCap
462:GNU Chess
447:Fairy-Max
417:AlphaZero
372:Deep Blue
247:Attention
217:Bitboards
169:Stockfish
3110:Category
3063:glossary
2724:Zugzwang
2704:fortress
2636:Endgames
2545:Declined
2540:Accepted
2218:Openings
2176:Hedgehog
2142:Exchange
2129:Strategy
2109:Windmill
1960:isolated
1945:backward
1767:Castling
1710:amateurs
1603:Timeline
1477:Variants
1431:Glossary
1414:software
1399:glossary
1006:-aware,
630:Version
532:Shredder
392:Mephisto
362:ChipTest
163:engines
132:/houdini
3011:Arbiter
3004:Related
2861:Solving
2851:Amateur
2428:Najdorf
2010:Battery
1997:Tactics
1972:Swindle
1955:doubled
1935:Outpost
1866:Blunder
1681:Armenia
1595:History
1441:Premove
1409:engines
1404:matches
1369:Outline
1116:YouTube
1031:IPPOLIT
967: (
947: (
927: (
907: (
887: (
867: (
847: (
828: (
809: (
791: (
772: (
754: (
736: (
718: (
700: (
682: (
664: (
646: (
507:Mittens
472:Houdini
312:Minimax
165:IPPOLIT
154:Belgian
143:Houdini
126:.cruxis
119:Website
108:License
68: (
43: (
20:Houdini
2949:poetry
2939:novels
2914:CaĂŻssa
2846:Senior
2836:Junior
2419:Dragon
2414:Alapin
2099:Skewer
1965:passed
1908:Gambit
1715:female
1676:Europe
1659:Africa
1554:Knight
1549:Bishop
1156:Cruxis
713:1.03a
512:MuZero
492:Komodo
482:Junior
477:Ikarus
467:HIARCS
427:Crafty
397:Saitek
382:HiTech
173:Crafty
171:, and
130:/chess
2896:WCSCC
2841:Youth
2831:Blitz
2826:Rapid
2816:Women
2779:Women
2731:Study
2581:Other
2114:X-ray
2037:Decoy
2022:Block
1977:Tempo
1940:Pawns
1858:Terms
1777:Check
1759:Rules
1693:India
1686:Spain
1671:China
1564:Fairy
1539:Queen
1470:norms
1361:Chess
1035:Rybka
996:cores
961:6.03
941:6.02
921:6.01
881:5.01
804:2.0c
786:2.0b
749:1.5a
695:1.03
677:1.02
659:1.01
562:Zappa
552:Torch
537:Sjeng
527:Rybka
522:REBEL
457:Fruit
452:Fritz
387:Hydra
352:Belle
300:Graph
145:is a
2934:film
2891:WCCC
2886:TCEC
2876:CSVN
2821:Team
2791:List
2062:Fork
1987:Trap
1787:Draw
1559:Pawn
1544:Rook
1534:King
1482:List
1451:list
1426:FIDE
1284:2017
1184:2013
1140:2017
1074:TCEC
1050:TCEC
1043:CEGT
1041:and
1039:CCRL
1004:NUMA
986:and
901:6.0
861:5.0
841:4.0
823:3.0
767:2.0
731:1.5
641:1.0
517:Naum
304:tree
302:and
212:0x88
134:.htm
128:.com
96:Type
2871:CCC
2082:Pin
1886:PGN
1114:on
1080:).
1016:GUI
1012:UCI
1000:RAM
147:UCI
124:www
3127::
1200:.
1163:^
1148:^
1130:.
1045:.
990:.
609:CM
2421:/
1353:e
1346:t
1339:v
1286:.
1232:.
1186:.
1142:.
971:)
951:)
931:)
911:)
891:)
871:)
851:)
832:)
813:)
795:)
776:)
758:)
740:)
722:)
704:)
686:)
668:)
650:)
591:e
584:t
577:v
243:)
239:(
72:)
47:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.