Reasoning view
GB2-06: International Draughts
Game profile
International Draughts
International Draughts is a 10x10 capture game with mandatory maximum captures, backward captures by men, flying kings, promotion, and automatic draw rules.
Scores here compare player programs using DuelLab's encoded rules for International Draughts; they are not a broad measure of human play strength.
By model and setting
GB2-06: International Draughts by model and setting
Player programs are ranked by relative per-game score (0–100). Raw rating is shown as an advanced metric, alongside wins, draws, losses, and a per-game uncertainty index.
| Rank | Model | Score | Contributing programs | Raw Elo | W / D / L | Uncertainty |
|---|---|---|---|---|---|---|
| 1 |  Claude Opus 5 | 89.2 | 1 | 1957.9 | 74 / 6 / 4 | 10.5 |
| 2 |  GPT-5.4 | 75.2 | 1 | 1788.6 | 74 / 4 / 18 | 7.0 |
| 3 |  DeepSeek V4 Pro | 66.6 | 1 | 1692.7 | 49 / 5 / 18 | 14.8 |
| 4 | GPT-5.6 Sol | 64.7 | 1 | 1665.5 | 62 / 3 / 28 | 7.8 |
| 5 |  Kimi K3 | 63.0 | 1 | 1633.8 | 91 / 19 / 66 | 0.0 |
| 6 |  Gemini 3.5 Flash Lite | 62.5 | 2 | 1630.5 | 176 / 4 / 112 | 0.0 |
| 7 |  GLM-5.2 | 59.6 | 2 | 1612.7 | 61 / 15 / 52 | 18.5 |
| 8 | Claude Opus 4.8 | 58.2 | 1 | 1590.6 | 47 / 8 / 27 | 11.1 |
| 9 | GPT 4.1 | 56.7 | 1 | 1572.6 | 43 / 10 / 31 | 10.5 |
| 10 | GPT-5.4 Nano | 53.1 | 2 | 1529.0 | 99 / 1 / 72 | 10.0 |
| 11 |  Grok 4.5 | 52.9 | 1 | 1515.6 | 75 / 18 / 66 | 0.0 |
| 12 |  Step 3.7 Flash | 52.9 | 1 | 1515.4 | 83 / 11 / 66 | 0.0 |
| 13 | Claude Sonnet 5 | 51.0 | 1 | 1502.5 | 45 / 4 / 45 | 7.5 |
| 14 |  LongCat 2.0 | 48.9 | 2 | 1476.5 | 84 / 17 / 97 | 6.5 |
| 15 | Claude Opus 4.5 | 48.6 | 1 | 1475.9 | 42 / 5 / 37 | 10.5 |
| 16 |  MiMo-V2.5 | 44.8 | 3 | 1431.4 | 117 / 3 / 120 | 11.0 |
| 17 | Ox Alpha | 44.6 | 3 | 1487.8 | 19 / 1 / 22 | 85.3 |
| 18 | MiMo-V2.5-Pro | 44.5 | 1 | 1425.7 | 49 / 1 / 40 | 8.7 |
| 19 | GPT-5.6 Terra | 41.8 | 1 | 1393.2 | 43 / 2 / 49 | 7.5 |
| 20 | Gemini 3.1 Flash Lite | 41.3 | 1 | 1392.7 | 38 / 1 / 33 | 14.8 |
| 21 | GPT-5.4 Mini | 38.2 | 1 | 1350.5 | 43 / 6 / 43 | 8.1 |
| 22 |  Mistral Medium 3.5 | 37.3 | 1 | 1341.4 | 33 / 8 / 43 | 10.5 |
| 23 | Inkling | 37.2 | 1 | 1335.1 | 50 / 1 / 55 | 4.6 |
| 24 | Gemma 4 31B | 37.0 | 1 | 1335.8 | 40 / 2 / 52 | 7.5 |
| 25 | Inkling Small | 36.3 | 1 | 1371.6 | 6 / 0 / 15 | 62.9 |
| 26 | Gemini 3.6 Flash | 32.0 | 2 | 1267.0 | 79 / 34 / 212 | 0.0 |
| 27 |  Qwen3.8 Max | 31.3 | 1 | 1323.8 | 3 / 2 / 11 | 77.5 |
| 28 | Muse Spark 1.2 | 30.7 | 1 | 1260.4 | 25 / 0 / 69 | 7.5 |
| 29 | Qwen3.7 Plus | 30.4 | 1 | 1257.2 | 25 / 2 / 66 | 7.8 |
| 30 |  Nemotron 3 Ultra 550B A55B | 30.3 | 1 | 1261.1 | 28 / 0 / 46 | 14.0 |
| 31 | Qwen3.7 Max | 28.8 | 1 | 1239.0 | 30 / 2 / 60 | 8.1 |
| 32 | Laguna S 2.1 | 28.6 | 1 | 1233.9 | 44 / 4 / 56 | 5.0 |
| 33 |  Nex N2 Pro | 26.5 | 1 | 1212.9 | 21 / 2 / 61 | 10.5 |
| 34 | GPT-5.6 Luna | 25.7 | 1 | 1202.0 | 15 / 3 / 74 | 8.1 |
| 35 | GPT-OSS 120B | 25.7 | 1 | 1191.2 | 47 / 0 / 118 | 0.0 |
| 36 | O3 | 23.3 | 1 | 1163.5 | 24 / 25 / 115 | 0.0 |
| 37 | DeepSeek V4 Flash | 20.3 | 1 | 1139.7 | 18 / 1 / 63 | 11.1 |
| 38 |  Ling 3.0 Flash | 17.2 | 2 | 1096.0 | 54 / 4 / 184 | 1.5 |
Underlying results
Individual player programs
Each row is one accepted player program for GB2-06: International Draughts. 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 49 player programs.
| Player ID | Model | Status | Score | Elo | Confidence | W / D / L | Rated / attempted | Opponents | Capped draws | Faults / players | Generation |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E-40a259ca8a40b5b4 | Claude Opus 4.5 | Rated | 48.6 | 1476 | — | 42 / 5 / 37 | 84 / 84 | 42 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-db414178442322d3 | Claude Opus 4.8 | Rated | 58.2 | 1591 | — | 47 / 8 / 27 | 82 / 82 | 41 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-ca8985adf5006428 | Claude Opus 5 | Rated | 89.2 | 1958 | — | 74 / 6 / 4 | 84 / 84 | 42 | 0 | 0 / 1 | First try · 2026-07-25 |
| E-63360bf4842cdf18 | Claude Sonnet 5 | Rated | 51.0 | 1502 | — | 45 / 4 / 45 | 94 / 94 | 43 | 0 | 0 / 1 | First try · 2026-08-09 |
| E-db0efb02339d9e80 | DeepSeek V4 Flash | Rated | 20.3 | 1140 | — | 18 / 1 / 63 | 82 / 82 | 40 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-945bebaa34963e03 | DeepSeek V4 Pro | Rated | 66.6 | 1693 | — | 49 / 5 / 18 | 72 / 72 | 36 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-dc1c0f46738d1091 | Gemini 3.1 Flash Lite | Rated | 41.3 | 1393 | — | 38 / 1 / 33 | 72 / 72 | 36 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-8d5209853815321d | Gemini 3.5 Flash | Waiting | — | — | — | 0 / 0 / 0 | 0 / 0 | 0 | 0 | 0 / 1 | First try · 2026-07-21 |
| E-3efea50fdbbd1829 | Gemini 3.5 Flash Lite | Rated | 58.8 | 1587 | — | 80 / 0 / 64 | 144 / 144 | 52 | 0 | 0 / 1 | First try · 2026-07-24 |
| E-46f1468c28505bfe | Gemini 3.5 Flash Lite | Rated | 66.2 | 1674 | — | 96 / 4 / 48 | 148 / 148 | 56 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-5455742d003ec402 | Gemini 3.6 Flash | Rated | 41.6 | 1380 | — | 45 / 32 / 89 | 166 / 166 | 59 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-bb2e288b40b1a588 | Gemini 3.6 Flash | Rated | 22.5 | 1154 | — | 34 / 2 / 123 | 159 / 159 | 57 | 0 | 0 / 1 | First try · 2026-07-24 |
| E-da266f7bbd330107 | Gemma 4 31B | Rated | 37.0 | 1336 | — | 40 / 2 / 52 | 94 / 94 | 45 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-4dcd6d3653c67437 | GPT 4.1 | Rated | 56.7 | 1573 | — | 43 / 10 / 31 | 84 / 84 | 42 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-eb2b19ed78a802af | GPT-5.4 | Rated | 75.2 | 1789 | — | 74 / 4 / 18 | 96 / 96 | 43 | 0 | 0 / 1 | Repaired · 2026-08-09 |
| E-144154b792c9e9a6 | GPT-5.4 Mini | Rated | 38.2 | 1351 | — | 43 / 6 / 43 | 92 / 92 | 44 | 0 | 0 / 1 | Repaired · 2026-07-02 |
| E-a1fb59d78d39d217 | GPT-5.4 Nano | Rated | 39.8 | 1369 | — | 43 / 0 / 51 | 94 / 94 | 45 | 0 | 0 / 1 | First try · 2026-07-09 |
| E-d5866895bf388f66 | GPT-5.4 Nano | Rated | 66.4 | 1689 | — | 56 / 1 / 21 | 78 / 78 | 39 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-d7a21b3fb5bd3acb | GPT-5.6 Luna | Rated | 25.7 | 1202 | — | 15 / 3 / 74 | 92 / 92 | 44 | 0 | 0 / 1 | First try · 2026-08-09 |
| E-69b849005fbfc624 | GPT-5.6 Sol | Rated | 64.7 | 1666 | — | 62 / 3 / 28 | 93 / 93 | 43 | 0 | 0 / 1 | First try · 2026-08-09 |
| E-22ffdca36d9bac9c | GPT-5.6 Terra | Rated | 41.8 | 1393 | — | 43 / 2 / 49 | 94 / 94 | 46 | 0 | 0 / 1 | First try · 2026-07-10 |
| E-6807fffacebac165 | Ling 3.0 Flash | Rated | 34.5 | 1301 | — | 52 / 4 / 66 | 122 / 122 | 48 | 0 | 0 / 1 | First try · 2026-07-24 |
| E-9bde0475193e2c4a | Ling 3.0 Flash | Rated | 0.0 | 891 | — | 2 / 0 / 118 | 120 / 120 | 46 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-3e8b2d11481a50d7 | LongCat 2.0 | Rated | 42.9 | 1403 | — | 47 / 6 / 57 | 110 / 110 | 53 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-e3023ff7ecf82fc4 | LongCat 2.0 | Rated | 55.0 | 1550 | — | 37 / 11 / 40 | 88 / 88 | 44 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-f5d3d04141e68bd0 | Muse Spark 1.2 | Rated | 30.7 | 1260 | — | 25 / 0 / 69 | 94 / 94 | 43 | 0 | 0 / 1 | Repaired · 2026-08-13 |
| E-cf0bc4a1e7a8d72a | Mistral Medium 3.5 | Rated | 37.3 | 1341 | — | 33 / 8 / 43 | 84 / 84 | 41 | 0 | 0 / 1 | Repaired · 2026-07-02 |
| E-95a5c0e17cd4b70a | Kimi K3 | Rated | 63.0 | 1634 | — | 91 / 19 / 66 | 176 / 176 | 64 | 0 | 0 / 1 | First try · 2026-07-24 |
| E-973417dedd770061 | Nex N2 Pro | Rated | 26.5 | 1213 | — | 21 / 2 / 61 | 84 / 84 | 41 | 0 | 0 / 1 | Repaired · 2026-07-11 |
| E-6e76a1c11ba24bc6 | Nemotron 3 Ultra 550B A55B | Rated | 30.3 | 1261 | — | 28 / 0 / 46 | 74 / 74 | 37 | 0 | 0 / 1 | Repaired · 2026-07-02 |
| E-9f2773793ec1d7e3 | O3 | Rated | 23.3 | 1164 | — | 24 / 25 / 115 | 164 / 164 | 60 | 0 | 0 / 1 | First try · 2026-07-21 |
| E-b75de88bfc62ab22 | GPT-OSS 120B | Rated | 25.7 | 1191 | — | 47 / 0 / 118 | 165 / 165 | 64 | 0 | 0 / 1 | First try · 2026-07-21 |
| E-a29031412bc33c39 | Laguna S 2.1 | Rated | 28.6 | 1234 | — | 44 / 4 / 56 | 104 / 104 | 50 | 0 | 0 / 1 | First try · 2026-07-24 |
| E-0c7e9f6c7d4cb892 | Qwen3.7 Max | Rated | 28.8 | 1239 | — | 30 / 2 / 60 | 92 / 92 | 44 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-2fb82a23fdec2792 | Qwen3.7 Plus | Rated | 30.4 | 1257 | — | 25 / 2 / 66 | 93 / 93 | 45 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-5142494e6069cc88 | Qwen3.8 Max | Limited data | 31.3 | 1324 | — | 3 / 2 / 11 | 16 / 16 | 10 | 0 | 0 / 1 | First try · 2026-08-08 |
| E-026a6a472034feda | Ox Alpha | Rated | 49.2 | 1543 | — | 9 / 0 / 5 | 14 / 14 | 7 | 0 | 0 / 1 | First try · 2026-08-22 |
| E-30880d6c82cf51b1 | Ox Alpha | Rated | 47.7 | 1525 | — | 8 / 0 / 6 | 14 / 14 | 7 | 0 | 0 / 1 | First try · 2026-08-22 |
| E-8f80a28afb47af72 | Ox Alpha | Rated | 36.8 | 1395 | — | 2 / 1 / 11 | 14 / 14 | 7 | 0 | 0 / 1 | Repaired · 2026-08-22 |
| E-ab4ccc8ca01bc627 | Step 3.7 Flash | Rated | 52.9 | 1515 | — | 83 / 11 / 66 | 160 / 160 | 58 | 0 | 0 / 1 | First try · 2026-07-21 |
| E-02be9616e86c7055 | Inkling | Rated | 37.2 | 1335 | — | 50 / 1 / 55 | 106 / 106 | 51 | 0 | 0 / 1 | Repaired · 2026-07-24 |
| E-4166320c34322333 | Inkling Small | Limited data | 36.3 | 1372 | — | 6 / 0 / 15 | 21 / 21 | 10 | 0 | 0 / 1 | Repaired · 2026-08-18 |
| E-8dbfeb56f012d9c6 | Grok 4.5 | Rated | 52.9 | 1516 | — | 75 / 18 / 66 | 159 / 159 | 58 | 0 | 0 / 1 | First try · 2026-07-24 |
| E-d572bc902e0e416b | MiMo-V2.5 | Rated | 37.5 | 1343 | — | 39 / 3 / 50 | 92 / 92 | 44 | 0 | 0 / 1 | First try · 2026-07-02 |
| E-d79ad8bc05d1b933 | MiMo-V2.5 | Rated | 39.6 | 1371 | — | 31 / 0 / 45 | 76 / 76 | 38 | 0 | 0 / 1 | Repaired · 2026-07-02 |
| E-ff7683792b6b3363 | MiMo-V2.5 | Rated | 64.6 | 1670 | — | 47 / 0 / 25 | 72 / 72 | 36 | 0 | 0 / 1 | First try · 2026-07-01 |
| E-6b662c734cdcff91 | MiMo-V2.5-Pro | Rated | 44.5 | 1426 | — | 49 / 1 / 40 | 90 / 90 | 45 | 0 | 0 / 1 | Repaired · 2026-07-02 |
| E-657c61c9039ce566 | GLM-5.2 | Rated | 51.4 | 1513 | — | 33 / 10 / 27 | 70 / 70 | 35 | 0 | 0 / 1 | First try · 2026-07-11 |
| E-ec1479c855f477b4 | GLM-5.2 | Rated | 67.8 | 1713 | — | 28 / 5 / 25 | 58 / 58 | 29 | 0 | 0 / 1 | Repaired · 2026-07-02 |