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1-0 · checkmatereplaygame 832df0b7White mates.
NVIDIA: Nemotron 3.5 Lightning (free)1-0
Dots Studio: Dots3-Note Preview (free)+20
79/79move 40
dots-studio/dots-3-note-preview:free
1. e4
nvidia/nemotron-3.5-lightning:free
1… e5
dots-studio/dots-3-note-preview:free
2. Nf3
nvidia/nemotron-3.5-lightning:free
2… Nf6
dots-studio/dots-3-note-preview:free
3. Nc3
nvidia/nemotron-3.5-lightning:free
3… Nc6
dots-studio/dots-3-note-preview:free
4. d4
nvidia/nemotron-3.5-lightning:free
4… Bc5
dots-studio/dots-3-note-preview:free
5. dxe5
nvidia/nemotron-3.5-lightning:free
5… Na5
dots-studio/dots-3-note-preview:free
6. Bc4
nvidia/nemotron-3.5-lightning:free
6… d6
dots-studio/dots-3-note-preview:free
7. O-O
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7… a6
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8. b4
nvidia/nemotron-3.5-lightning:free
paused · the harness is halted: the free-model allowance for the day is spent (429)
resumed · the wait is over: the harness is halted: the free-model allowance for the day is spent (429)
8… b5
dots-studio/dots-3-note-preview:free
9. Bxb5+
nvidia/nemotron-3.5-lightning:free
9… Ke7
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10. bxa5
nvidia/nemotron-3.5-lightning:free
10… Nd5
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11. exd5
nvidia/nemotron-3.5-lightning:free
11… c6
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12. Ba4
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12… Ba3
dots-studio/dots-3-note-preview:free
13. Nd4
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13… Bd7
dots-studio/dots-3-note-preview:free
14. Nb3
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14… Qc7
dots-studio/dots-3-note-preview:free
15. Bg5+
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15… Ke8
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16. e6
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16… Qa7
dots-studio/dots-3-note-preview:free
17. exd7+
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17… Kf8
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18. d8=Q+
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18… Rxd8
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19. Bxd8
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19… Ke8
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20. Qe1+
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20… Kd7
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21. Qe7+
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21… Kc8
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22. Qxa7
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22… c5
dots-studio/dots-3-note-preview:free
23. Qb7+
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23… Kxb7
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24. Nxc5+
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24… Bxc5
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25. Nb5
nvidia/nemotron-3.5-lightning:free
25… Kb8
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26. Nc7
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26… Ba3
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27. Na8
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27… Ka7
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28. Rab1
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28… f5
dots-studio/dots-3-note-preview:free
29. Rb3
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29… Kxa8
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30. Rxa3
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30… Kb8
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31. Rb3+
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31… Ka7
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32. Rf3
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32… Ka8
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33. Rxf5
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33… Ka7
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34. Bc6
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34… g5
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35. Bf6
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35… Kb8
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36. Bxh8
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36… Ka7
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37. Rxg5
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37… Kb8
dots-studio/dots-3-note-preview:free
game over · error_forfeit · 0-1 — White replied without calling a tool 4 times in a row.
game over · abandoned — Re-ended: AtlasCloud delivered tool-call markup as prose; not a finding about the model (ADR-0015)
resumed · resumed
dots-studio/dots-3-note-preview:free
38. Rg7
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38… h5
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39. Rg8+
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39… Ka7
dots-studio/dots-3-note-preview:free
40. Ra8#
game over · checkmate · 1-0 — White mates.

About this game

Dots Studio: Dots3-Note Preview (free) had White and NVIDIA: Nemotron 3.5 Lightning (free) had Black, in round 162 of Free Models. The opening was the Four Knights Game: Scotch Variation (C47), reached on move 4. Dots Studio: Dots3-Note Preview (free) won by checkmate on move 40, with Ra8#. White finished 20 points of material up, 23 to 3. Dots Studio: Dots3-Note Preview (free) made 7 illegal move attempts and NVIDIA: Nemotron 3.5 Lightning (free) made 14 illegal move attempts.

In their own words

  1. The first illegal move

    Dots Studio: Dots3-Note Preview (free) tried axb6 on move 9, which was illegal: no legal move in this position matches 'axb6'. It played Bxb5+ instead.

    … And Black's a-pawn is on a6, with the knight on a5. So axb6 is not possible. The en passant square b6 refers to a pawn capturing... hmm, but the a-pawn can't do it. Actually, en passant b6 would be available for a pawn on a5 or c5 capturing to b6. My a-pawn is on a2, so no. So my best move is Bxb5+, capturing the pawn with check. That wins a pawn with check, and after Nxb5 or axb5 I can recapture. Let me play Bxb5+. I've played 9.Bxb5+, capturing the pawn with check. Now I'm up two pawns (doubled e-pawns) and Black's knight on a5 is trapped. Let me await Black's reply.
    its reasoning, the end of it — the whole turn is in the replay above
  2. The biggest capture

    NVIDIA: Nemotron 3.5 Lightning (free) took a queen with Rxd8 on move 18.

    … Maybe the position is such that black has only that capture move, but we already played it. So now it's white's turn, but user says it's our move. Perhaps they want us to make another move, but there are no legal moves for black. But we could try to make a move that is illegal? But we must avoid illegal moves >5 forfeits. Maybe the user expects us to make a move for black, but the only legal move is Rxd8 which we already did. However maybe the board changed and there are other moves now. Let's call get_legal_moves again to see current legal moves.
    its reasoning, the end of it — the whole turn is in the replay above
  3. The end

    Dots Studio: Dots3-Note Preview (free) played the last move of the game, Ra8# on move 40.

    Black's king is on a7. I'll play **40.Ra8**, attacking the bishop on h8 and threatening to win it.
    its reasoning — the whole turn is in the replay above