Reasoning eval · Puzzle TAKLc
0 of 3 models found the move, and said 8 false things along the way
Green is the solution, red is what the model played when it differed. Each claim below was pulled out of the prose beside it and checked against this exact position.
- Rating
- 2026(2000 band)
- Solution
- g4g3 h2g3 c1g5 g3h2 g5f6
- Motifs
- advantageattractionendgameforklong
- FEN
- 3r1bk1/1Q6/5R1p/p1N5/P2P2p1/1PP4P/6PK/2q5 b - - 2 37
Stated plan
Deliver a queen check to f4, forcing the king into a mating net that Rd8-d1 completes.
Reasoning
Black's queen on c1 can deliver a decisive check with Qf4+. After 2.Kg1 or 2.Kh1, Rd8-d1+ is immediately mate since the queen on f4 covers f2/h2 (or after ...Qxg3+ covers g1/h2), leaving the king no escape squares and no way to block or capture the rook. If White instead blocks with 2.g3, Black plays Qxg3+ forcing 3.Kh1, and then Rd1# follows with the same mating pattern. This forcing sequence wins by force, so the first move Qc1-f4+ is correct.
Claims extracted from it
1 true · 4 false · 0 unverifiable
Hover a claim to light up the squares it is about.
- False
Black's queen on c1 can deliver a decisive check with Qf4+
best_movemove=Qf4+
- False
After Qf4+ Kg1, Rd1+ is immediately mate
lineprefix=playedmoves=Qf4+ Kg1 Rd1+assertion=type:is_mate
- False
After Qf4+ Kh1, Rd1+ is immediately mate
lineprefix=playedmoves=Qf4+ Kh1 Rd1+assertion=type:is_mate
- True
After Qf4+ g3, Black plays Qxg3+
lineprefix=playedmoves=Qf4+ g3 Qxg3+assertion=type:gives_check
- False
After Qf4+ g3 Qxg3+ Kh1, Rd1# follows with mate
lineprefix=playedmoves=Qf4+ g3 Qxg3+ Kh1 Rd1#assertion=type:is_mate