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GB2-02: Chess

First compare each model and reasoning setting for GB2-02: Chess. Then inspect the individual player programs behind those combined results.

Chess

Chess is an 8x8 tactical piece-movement game with asymmetric pieces, castling, en passant, promotion, check, checkmate, and automatic draw rules.

Scores here compare player programs using DuelLab's encoded rules for Chess; they are not a broad measure of human play strength.

GB2-02: Chess by model and setting

Each model and reasoning setting appears once. If a model produced more than one accepted player program, DuelLab averages them before ranking. Raw rating, W / D / L, and uncertainty combine those contributing programs.

Reasoning level: Reasoning Variants Game: GB2-02: Chess
GB2-02: Chess - Reasoning Variants
Rank Model Reasoning Score Raw Elo W / D / L Uncertainty
1GPT-5.6 SolXHigh100.01806.960 / 15 / 119.9
2Claude Opus 4.8XHigh82.11729.145 / 32 / 511.1
3Claude Fable 5XHigh75.81701.641 / 37 / 411.1
4Claude Fable 5Medium72.91690.537 / 30 / 913.2
5Claude Opus 5XHigh72.01693.556 / 37 / 2121.9
6Claude Opus 5None66.21657.594 / 70 / 149.0
7Claude Opus 5Medium63.71651.565 / 64 / 1514.8
8GPT-5.4XHigh57.21620.522 / 49 / 911.8
9GPT-5.6 TerraXHigh48.41580.316 / 50 / 209.9
10GPT-5.6 SolMedium48.21582.227 / 38 / 1113.2
11GPT-5.5Medium47.51580.420 / 43 / 914.8
12Grok 4.5High36.81551.921 / 34 / 1937.9
13GPT-5.6 TerraNone31.51502.74 / 87 / 96.0
14Grok 4.5Medium30.41499.113 / 67 / 167.0
15MiMo-V2.5High30.21505.13 / 56 / 1115.6
16InklingNone30.01496.22 / 88 / 106.0
17MiMo-V2.5-ProNone29.31499.05 / 64 / 713.2
18Gemini 3.5 FlashMedium29.31495.310 / 70 / 108.7
19Claude Opus 4.5None29.01494.05 / 74 / 118.7
20DeepSeek V4 FlashXHigh28.41496.94 / 57 / 915.6
21Claude Opus 4.5Medium28.11499.32 / 54 / 420.3
22GPT-5.6 SolNone28.01495.25 / 56 / 915.6
23Qwen3.7 MaxNone27.61491.68 / 62 / 613.2
24Claude Sonnet 5Medium26.81487.91 / 71 / 413.2
25GPT-5.6 TerraMedium26.51484.70 / 75 / 910.5
26Step 3.7 FlashMedium26.31483.61 / 74 / 910.5
27GPT-OSS 120BMedium26.01482.34 / 75 / 510.5
28GPT-5.4 NanoMedium25.61482.10 / 75 / 312.5
29GPT-5.4 MiniMedium25.61478.93 / 84 / 38.7
30DeepSeek V4 ProNone25.41479.22 / 78 / 69.9
31Claude Opus 4.5Historical25.21484.31 / 122 / 917.4
32Laguna S 2.1None25.21474.43 / 97 / 45.0
33GPT-5.5None24.81477.80 / 73 / 911.1
34Gemini 3.1 Flash LiteNone24.51482.81 / 59 / 219.2
35GPT-5.6 LunaNone24.41475.30 / 82 / 210.5
36LongCat 2.0None24.31471.90 / 93 / 56.5
37Qwen3.7 PlusNone24.11472.40 / 90 / 08.7
38Gemini 3.5 Flash LiteMedium23.71494.80 / 36 / 038.4
39GPT-5.4 NanoNone23.61471.44 / 154 / 149.9
40Qwen3.7 PlusEnabled23.31489.11 / 81 / 433.5
41DeepSeek V4 FlashNone23.31471.21 / 78 / 311.1
42MiMo-V2.5Reasoning23.31488.14 / 71 / 1132.4
43GPT-5.4Medium23.31471.54 / 68 / 811.8
44Grok Build 0.1Enabled23.21485.73 / 86 / 330.0
45GPT-5.4 MiniNone23.11469.60 / 82 / 210.5
46GPT-5.6 LunaMedium23.11473.60 / 64 / 615.6
47GPT-5.6 LunaXHigh23.01469.13 / 71 / 1010.5
48GLM-5.2Medium22.91475.80 / 61 / 119.2
49Claude Opus 4.8None22.81470.33 / 68 / 513.2
50MiMo-V2.5Reasoning22.71474.20 / 63 / 118.3
51GPT-5.4None22.61467.31 / 79 / 410.5
52Ling 3.0 FlashNone22.41459.71 / 110 / 72.1
53Kimi K2.7 CodeEnabled22.11473.94 / 90 / 2221.3
54Gemini 3.6 FlashMedium22.01464.21 / 80 / 59.9
55Nemotron 3 Ultra 550B A55BMedium21.91463.31 / 82 / 59.2
56Nex N2 ProNone21.91464.22 / 71 / 1110.5
57MiMo-V2.5Medium21.71482.45 / 149 / 1034.0
58GPT 4.1None21.71463.42 / 70 / 1210.5
59DeepSeek V4 FlashMedium21.21466.72 / 111 / 1917.4
60Qwen3.7 MaxEnabled20.81472.83 / 82 / 1327.0
61Minimax M3None20.71462.40 / 69 / 314.8
62Kimi K3Max20.71484.23 / 55 / 842.0
63GLM-5.2None20.61465.31 / 117 / 818.8
64Claude Opus 4.8Medium20.51459.91 / 72 / 512.5
65Gemini 3.5 Flash LiteHigh20.21503.15 / 30 / 368.2
66Kimi K3Low20.21476.82 / 74 / 635.5
67Gemini 3.5 Flash LiteMinimal19.21480.71 / 114 / 745.6
68Laguna S 2.1Enabled19.01490.20 / 101 / 158.9
69Gemini 3.6 FlashMinimal18.71478.90 / 115 / 546.2
70Hy3 PreviewNone18.61454.10 / 64 / 615.6
71LongCat 2.0Enabled18.41491.31 / 42 / 163.3
72Nemotron 3 Ultra 550B A55BHigh17.51470.82 / 112 / 1642.7
73InklingMax16.71482.61 / 47 / 261.9
74GPT 5High16.51462.52 / 57 / 1537.9
75Kimi K3High16.21502.64 / 22 / 678.1
76Ling 3.0 FlashEnabled14.91466.92 / 44 / 851.9
77Minimax M3Enabled13.61445.31 / 71 / 1432.0
78Grok 4.5Low13.51491.92 / 37 / 568.2
79Claude Opus 4.5High11.21446.01 / 43 / 1646.1
80GPT-OSS 120BHigh10.91438.60 / 58 / 1438.8
81Hy3 PreviewHigh9.41436.11 / 51 / 1243.8

Individual player programs

Each row is one accepted player program for GB2-02: Chess. A model can appear more than once when it produced more than one program. Score is the normalized 0–100 result; Elo and W / D / L show the underlying play record. Confidence and evidence can be blank when too few compatible matches are available. Draws at the move limit count; one-sided model faults are listed separately.

Showing 94 player programs.
Player IDModelReasoningStatusScoreEloConfidenceW / D / LRated / attemptedOpponentsCapped drawsFaults / playersGeneration
E-cd3608270e8c00fdClaude Fable 5MediumRated72.9169037 / 30 / 976 / 783802 / 1First try · 2026-07-02
E-f6a30e7d9986c9b8Claude Fable 5XHighRated75.8170241 / 37 / 482 / 823600 / 1First try · 2026-07-03
E-03472a04778e9928Claude Opus 4.5Medium effort + 16,000 thinking tokensRated28.114992 / 54 / 460 / 603000 / 1First try · —
E-0454dbb9530f84f7Claude Opus 4.5Legacy_shared_thinking_budgetWaiting0 / 0 / 00 / 0000 / 1First try · 2026-07-02
E-16462f3d1f3a7b19Claude Opus 4.5Thinking field omittedRated29.014945 / 74 / 1190 / 904500 / 1First try · 2026-07-02
E-3cbd11fb314c75e1Claude Opus 4.5Legacy_shared_thinking_budgetWaiting0 / 0 / 00 / 0000 / 1First try · 2026-07-02
E-63fde27ceab11930Claude Opus 4.5High effort + 32,000 thinking tokensLimited data8.514340 / 23 / 730 / 301500 / 1First try · —
E-a81bd03e764818f6Claude Opus 4.8XHighRated82.1172945 / 32 / 582 / 823500 / 1First try · 2026-07-03
E-c142942f4138c871Claude Opus 4.8Thinking field omittedRated22.814703 / 68 / 576 / 763700 / 1First try · 2026-07-02
E-ed71c4ecf219b609Claude Opus 4.8MediumRated20.514601 / 72 / 578 / 783900 / 1First try · 2026-07-02
E-50b401cafe71e710Claude Opus 5MediumRated64.1165333 / 31 / 872 / 723600 / 1First try · 2026-07-25
E-51ddad48e10b006fClaude Opus 5Thinking disabledRated69.3167156 / 24 / 1090 / 904500 / 1First try · 2026-07-25
E-6b45cf5aebf0c66eClaude Opus 5XHighRated59.0163721 / 25 / 1056 / 562200 / 1First try · 2026-07-25
E-772d1a710082ddb3Claude Opus 5Thinking disabledRated63.0164438 / 46 / 488 / 884400 / 1First try · 2026-07-25
E-8a5bf2e23121edf6Claude Opus 5MediumRated63.3165032 / 33 / 772 / 723600 / 1First try · 2026-07-25
E-fcdd98d74e80134aClaude Opus 5XHighRated85.0175035 / 12 / 1158 / 582300 / 1First try · 2026-07-25
E-a1a16bb5799cfdbeClaude Sonnet 5MediumRated26.814881 / 71 / 476 / 763800 / 1First try · 2026-07-02
E-08e2baea96c43eb4DeepSeek V4 FlashHighRated16.114450 / 54 / 1064 / 643200 / 1First try · 2026-07-02
E-12dcb25370550495DeepSeek V4 FlashXHighRated28.414974 / 57 / 970 / 703500 / 1Repaired · 2026-07-02
E-1e168b9e73c26073DeepSeek V4 FlashHighRated26.314892 / 57 / 968 / 683400 / 1Repaired · 2026-07-01
E-3358fbcda6ab6f4dDeepSeek V4 FlashReasoning disabledRated23.314711 / 78 / 382 / 824100 / 1First try · 2026-07-02
E-6c3b019c1b20a09bDeepSeek V4 ProReasoning disabledRated25.414792 / 78 / 686 / 864300 / 1First try · 2026-07-02
E-20b3484be872df52Gemini 3.1 Flash LiteReasoning disabledRated24.514831 / 59 / 262 / 623100 / 1Repaired · 2026-07-02
E-ef7a835bdb46a90eGemini 3.5 FlashMediumRated29.3149510 / 70 / 1090 / 904500 / 1Repaired · 2026-07-02
E-1010911d64a09b68Gemini 3.5 Flash LiteMinimalLimited data17.714791 / 22 / 326 / 261300 / 1Repaired · 2026-07-24
E-423f6c31467b8943Gemini 3.5 Flash LiteHighLimited data13.014691 / 16 / 320 / 201000 / 1First try · 2026-07-24
E-dbbc5835674b5f2cGemini 3.5 Flash LiteMediumLimited data23.714950 / 36 / 036 / 361800 / 1First try · 2026-07-24
E-e65fdcb71f09a611Gemini 3.5 Flash LiteMinimalLimited data18.814790 / 29 / 130 / 301500 / 1Repaired · 2026-07-24
E-4492f6d65cd6280bGemini 3.6 FlashMinimalLimited data19.014820 / 27 / 128 / 281400 / 1First try · 2026-07-24
E-62275b0c39dda32aGemini 3.6 FlashMediumRated22.014641 / 80 / 586 / 864300 / 1First try · 2026-07-24
E-9c8b43dc41bad760Gemini 3.6 FlashMinimalLimited data19.514850 / 27 / 128 / 281400 / 1Repaired · 2026-07-24
E-e4707b8e4c581edeGPT 4.1NoneRated21.714632 / 70 / 1284 / 844200 / 1Repaired · 2026-07-02
E-4f8f0a47f75ab6b7GPT 5LowWaiting0 / 0 / 00 / 0000 / 1First try · 2026-07-21
E-5bccb9b671ce5eaeGPT 5HighLimited data13.014512 / 22 / 832 / 321600 / 1First try · 2026-07-02
E-4aa582caf9d9f6daGPT-5.4XHighRated57.2162122 / 49 / 980 / 803500 / 1First try · 2026-07-02
E-98ddce22d3eb5886GPT-5.4NoneRated22.614671 / 79 / 484 / 844100 / 1First try · 2026-07-02
E-f4948a32cdd115a9GPT-5.4MediumRated23.314714 / 68 / 880 / 804000 / 1First try · 2026-07-02
E-322cbb8be1559087GPT-5.4 MiniNoneRated23.114700 / 82 / 284 / 844100 / 1First try · 2026-07-02
E-6724998b59176607GPT-5.4 MiniMediumRated25.614793 / 84 / 390 / 904500 / 1First try · 2026-07-02
E-038a95fb13c8aa94GPT-5.4 NanoNoneRated22.714670 / 79 / 786 / 864300 / 1Repaired · 2026-07-09
E-be95cc83ce87847cGPT-5.4 NanoNoneRated24.614764 / 75 / 786 / 864300 / 1Repaired · 2026-07-02
E-d96eaa4f1d20c47bGPT-5.4 NanoMediumRated25.614820 / 75 / 378 / 783900 / 1Repaired · 2026-07-02
E-51e935956fa76015GPT-5.5NoneRated24.814780 / 73 / 982 / 824100 / 1First try · 2026-07-02
E-8460841e3919c568GPT-5.5MediumRated47.5158020 / 43 / 972 / 723600 / 1First try · 2026-07-02
E-a30e455ba172d80eGPT-5.6 LunaXHighRated23.014693 / 71 / 1084 / 844200 / 1Repaired · 2026-07-10
E-ba4589e1cf2c827bGPT-5.6 LunaNoneRated24.414750 / 82 / 284 / 844200 / 1First try · 2026-07-10
E-e2dda893ae4363f2GPT-5.6 LunaMediumRated23.114740 / 64 / 670 / 703500 / 1First try · 2026-07-10
E-0420ca9039edc6fbGPT-5.6 SolNoneRated28.014955 / 56 / 970 / 703500 / 1First try · 2026-07-10
E-087d760c91df7f17GPT-5.6 SolMediumRated48.2158227 / 38 / 1176 / 763800 / 1Repaired · 2026-07-10
E-33dc9365cfacf9c0GPT-5.6 SolXHighRated100.0180760 / 15 / 1186 / 863700 / 1First try · 2026-07-10
E-1b12482867c807c9GPT-5.6 TerraXHighRated48.4158016 / 50 / 2086 / 863700 / 1First try · 2026-07-10
E-82ad98d8d570daabGPT-5.6 TerraMediumRated26.514850 / 75 / 984 / 844200 / 1Repaired · 2026-07-10
E-c6593bd789768bdbGPT-5.6 TerraNoneRated31.515034 / 87 / 9100 / 1005000 / 1Repaired · 2026-07-10
E-129026c5e53b35adLing 3.0 FlashEnabledLimited data8.314450 / 18 / 422 / 221100 / 1Repaired · 2026-07-24
E-fc495094a55d2f94Ling 3.0 FlashBaseline track (legacy evidence incomplete)Rated22.414601 / 110 / 7118 / 1185100 / 1First try · 2026-07-24
E-a00d8e3eb7dd07cfLongCat 2.0EnabledLimited data16.414940 / 16 / 016 / 16800 / 1Repaired · 2026-07-24
E-a0c74818516a7f27LongCat 2.0NoneRated24.314720 / 93 / 598 / 984900 / 1Repaired · 2026-07-24
E-1e46941293882535Minimax M3Reasoning disabledRated20.714620 / 69 / 372 / 723500 / 1First try · 2026-07-02
E-cad87bcb23d33fefMinimax M3Reasoning enabledRated9.514230 / 37 / 1148 / 482400 / 1Repaired · 2026-07-02
E-85c8a9372a607001Kimi K2.7 CodeReasoning enabledRated22.214742 / 49 / 758 / 582900 / 1Repaired · 2026-07-02
E-0c4144684fc36307Kimi K3HighLimited data28.515304 / 16 / 424 / 241200 / 1First try · 2026-07-24
E-1beeecccf3f2c84fKimi K3MaxLimited data18.514762 / 22 / 832 / 321600 / 1Repaired · 2026-07-24
E-d3d3da42e99695b1Kimi K3LowRated24.014852 / 47 / 352 / 522600 / 1First try · 2026-07-24
E-811f47e902ce0d21Nex N2 ProReasoning disabledRated21.914642 / 71 / 1184 / 844100 / 1Repaired · 2026-07-11
E-2404d10bab26a254Nemotron 3 Ultra 550B A55BHighLimited data15.314610 / 26 / 632 / 321600 / 1Repaired · 2026-07-02
E-abd2cae3e3ff9bdbNemotron 3 Ultra 550B A55BHighLimited data11.414431 / 23 / 1034 / 341700 / 1Repaired · 2026-07-11
E-bd70ebbd81fdbef0Nemotron 3 Ultra 550B A55BMediumRated21.914631 / 82 / 588 / 884400 / 1Repaired · 2026-07-02
E-8f0c6569aa132f8eGPT-OSS 120BMediumRated26.014824 / 75 / 584 / 844200 / 1First try · 2026-07-02
E-e5b4a3586049e1c9GPT-OSS 120BHighLimited data4.114120 / 21 / 1132 / 321600 / 1Repaired · 2026-07-02
E-7164ee63b9dd911aLaguna S 2.1EnabledLimited data15.814980 / 14 / 014 / 16700 / 1First try · 2026-07-24
E-ba56689188a301b2Laguna S 2.1EnabledLimited data17.414930 / 18 / 018 / 18900 / 1Repaired · 2026-07-24
E-d8c7a78cc7f666dcLaguna S 2.1NoneRated25.214743 / 97 / 4104 / 1045100 / 1Repaired · 2026-07-24
E-5f64c2ae9860ba38Qwen3.7 MaxReasoning disabledRated27.614928 / 62 / 676 / 763800 / 1First try · 2026-07-02
E-95265340f8562bfdQwen3.7 MaxReasoning enabledRated26.514983 / 44 / 148 / 482400 / 1Repaired · 2026-07-02
E-010dafcd7561851aQwen3.7 PlusReasoning disabledRated24.114720 / 90 / 090 / 904400 / 1Repaired · 2026-07-02
E-57293d5b71f14882Qwen3.7 PlusReasoning enabledRated24.914881 / 49 / 454 / 542700 / 1Repaired · 2026-07-02
E-0ccea44addccfff0Step 3.7 FlashMediumRated26.314841 / 74 / 984 / 844200 / 1Repaired · 2026-07-02
E-d910e47dd13c2c71Hy3 PreviewNoneRated18.614540 / 64 / 670 / 703500 / 1Repaired · 2026-07-02
E-fbf6af15f65f01d7Hy3 PreviewHighLimited data0.013990 / 17 / 1128 / 301402 / 1Repaired · 2026-07-02
E-66a4f0abd099d8f1InklingNoneRated30.014962 / 88 / 10100 / 1004900 / 1Repaired · 2026-07-24
E-9468e854340a4e9bInklingMaxLimited data14.414911 / 13 / 014 / 16700 / 1Repaired · 2026-07-24
E-0576181f89efa7a7Grok 4.5HighLimited data29.115228 / 16 / 832 / 321600 / 1Repaired · 2026-07-24
E-88ab68f664bd3ea0Grok 4.5LowLimited data22.314872 / 31 / 538 / 381900 / 1First try · 2026-07-24
E-da5ea0258e71b6abGrok 4.5MediumRated30.4149913 / 67 / 1696 / 964800 / 1First try · 2026-07-24
E-99592fa0331c6679Grok Build 0.1Reasoning enabledRated23.614822 / 49 / 354 / 542700 / 1Repaired · 2026-07-02
E-39b08fe4c0318552MiMo-V2.5Reasoning disabledRated22.714740 / 63 / 164 / 643200 / 1First try · 2026-07-01
E-5b213ae773e821ccMiMo-V2.5Reasoning enabledRated24.914902 / 45 / 350 / 502500 / 1Repaired · 2026-07-02
E-9077f1e8e006290bMiMo-V2.5HighRated30.215053 / 56 / 1170 / 703500 / 1Repaired · 2026-07-02
E-a5f372b0e5962ee5MiMo-V2.5Reasoning enabledRated18.914660 / 43 / 346 / 462300 / 1Repaired · 2026-07-01
E-c37f25e181320efbMiMo-V2.5Reasoning enabledRated23.614872 / 39 / 546 / 462300 / 1Repaired · 2026-07-02
E-b9f44937a1269e8dMiMo-V2.5-ProReasoning disabledRated29.314995 / 64 / 776 / 763800 / 1First try · 2026-07-02
E-32435b01ac08ed41GLM-5.2HighRated22.914760 / 61 / 162 / 623100 / 1Repaired · 2026-07-11
E-4959351a96fd2b82GLM-5.2Reasoning disabledRated17.814520 / 59 / 564 / 643200 / 1Repaired · 2026-07-02
E-925b589068dc7268GLM-5.2Reasoning disabledRated23.414781 / 58 / 362 / 623100 / 1Repaired · 2026-07-11