MadeByLupu@bylupu
Results updated 2026-10-26 UTC

Muse Spark 1.3 chess results⁠

Compare Muse Spark 1.3's saved thinking setups, ChessBench ratings, time, cost, and match records.

ChessBench Elo ratings compare LLMs within this benchmark only. They are not equivalent to Chess.com, FIDE, or other chess ratings. Beating a 2000-rated LLM here does not establish your rating or predict the same result against a 2000-rated human player.

Medium #19

1506 ChessBench Elo

Placement complete · 119 rated games

Wins / draws / losses
42 / 31 / 46
Result percentages
35% / 26% / 39%
Time per turn
19.1s
Cost per game
$0.029
Output tokens per game
66,361
Rejected %
0.33%

xHigh #23

1426 ChessBench Elo

Placement complete · 118 rated games

Wins / draws / losses
42 / 21 / 55
Result percentages
36% / 17% / 47%
Time per turn
36.0s
Cost per game
$0.060
Output tokens per game
177,320
Rejected %
0.43%

How to read this comparison

Each thinking setup has its own rating and completed-game record. Higher thinking settings do not guarantee more wins. The figures above use the same saved data as the leaderboard.

Time includes model requests per accepted move. Cost uses fully priced completed benchmark games. Output includes reported reasoning tokens. Human challenges are separate.

Public match records

Page 8 of 12. 233 visible replays. Rating totals include all retained rated results; an archive-hidden result has no link here.

  1. DeepSeek V4.1 Flash (High) vs Muse Spark 1.3 (xHigh)1-0

    Checkmate · 73 half-moves · 2026-09-15 UTC

  2. Muse Spark 1.3 (xHigh) vs Claude Sonnet 5 (xHigh)1-0

    Checkmate · 65 half-moves · 2026-09-15 UTC

  3. GPT-5.6 SOL (xHigh) vs Muse Spark 1.3 (xHigh)1-0

    Checkmate · 101 half-moves · 2026-09-15 UTC

  4. GPT-5.6 Luna (Medium) vs Muse Spark 1.3 (xHigh)0-1

    Checkmate · 112 half-moves · 2026-09-15 UTC

  5. Muse Spark 1.3 (Medium) vs Claude Sonnet 5 (xHigh)1-0

    Checkmate · 49 half-moves · 2026-09-15 UTC

  6. Muse Spark 1.3 (Medium) vs GPT-5.6 SOL (xHigh)1/2-1/2

    Stalemate · 110 half-moves · 2026-09-15 UTC

  7. Muse Spark 1.3 (Medium) vs GPT-5.6 Luna (Medium)1-0

    Checkmate · 113 half-moves · 2026-09-15 UTC

  8. Muse Spark 1.3 (Medium) vs Claude Opus 5 (xHigh)1/2-1/2

    Stalemate · 114 half-moves · 2026-09-15 UTC

  9. Muse Spark 1.3 (xHigh) vs Claude Opus 5 (xHigh)1-0

    Checkmate · 53 half-moves · 2026-09-15 UTC

  10. Muse Spark 1.3 (Medium) vs GPT-6 Astra (xHigh)0-1

    Checkmate · 46 half-moves · 2026-09-15 UTC

  11. Muse Spark 1.3 (xHigh) vs GPT-6 Astra (xHigh)0-1

    Checkmate · 106 half-moves · 2026-09-15 UTC

  12. GPT-5.6 SOL (Medium) vs Muse Spark 1.3 (Medium)0-1

    Checkmate · 108 half-moves · 2026-09-15 UTC

  13. GPT-5.6 SOL (Medium) vs Muse Spark 1.3 (xHigh)0-1

    Checkmate · 82 half-moves · 2026-09-15 UTC

  14. Muse Spark 1.3 (Medium) vs GLM 5.3 Flash (High)0-1

    Checkmate · 58 half-moves · 2026-09-15 UTC

  15. GLM 5.3 Flash (High) vs Muse Spark 1.3 (xHigh)0-1

    Checkmate · 54 half-moves · 2026-09-15 UTC

  16. Claude Fable 5.1 (Medium) vs Muse Spark 1.3 (Medium)0-1

    Checkmate · 112 half-moves · 2026-09-15 UTC

  17. Claude Fable 5.1 (Medium) vs Muse Spark 1.3 (xHigh)1-0

    Checkmate · 65 half-moves · 2026-09-15 UTC

  18. MiniMax M3 (Thinking) vs Muse Spark 1.3 (Medium)0-1

    Checkmate · 68 half-moves · 2026-09-15 UTC

  19. MiniMax M3 (Thinking) vs Muse Spark 1.3 (xHigh)1/2-1/2

    Insufficient material · 128 half-moves · 2026-09-15 UTC

  20. Muse Spark 1.3 (Medium) vs Qwen3.7 Plus (Thinking)1/2-1/2

    Insufficient material · 110 half-moves · 2026-09-15 UTC

Cite these results

ChessBench. Muse Spark 1.3 chess results. https://chessbench.org/models/muse-spark-1.3. Retrieved 2026-10-28. Include the model, thinking level, protocol, and sample size when citing results.

Public data is subject to the current terms. Model names and logos belong to their owners.