Chess Puzzle #snOTt — Master, White to move, middlegame

Position

White: king g1; queen c2; rook f2; knight f1; pawns g2/h4. Black: king g5; queen d4; rook a1; knight f6; pawns b6/d5/g7/h7. Black is ahead by 2 points of material. White to move.

Solution (5 moves)

1. Opponent setup: Kxh4 — king g5→h4, captures pawn. Now White to move.
2. Best move: g3+ — pawn g2→g3, gives check. Opponent replies Kh5 (king h4→h5).
3. Best move: Qf5+ — queen c2→f5, gives check. Opponent replies Kh6 (king h5→h6).
4. Best move: Qh3+ — queen f5→h3, gives check. Opponent replies Kg6 (king h6→g6).
5. Best move: Qf5+ — queen h3→f5, gives check. Opponent replies Kf7 (king g6→f7).
6. Best move: Qd7+ — queen f5→d7, gives check.

Tactical themes

endgame, equality, pin, very long. The key move is g3+.

Position data

FEN: 8/6pp/1p3n2/3p2k1/3q3P/8/2Q2RP1/r4NK1 b - - 0 37

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