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

Position

White: king h2; queen c3; knight f3; pawns b3/f2/g3/h3. Black: king g7; queen d5; rook a1; pawns b5/f7/g6/h7. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Kh6 — king g7→h6. Now White to move.
2. Best move: g4 — pawn g3→g4. Opponent replies b4 (pawn b5→b4).
3. Best move: g5+ — pawn g4→g5, gives check. Opponent replies Qxg5 (queen d5→g5, captures pawn).
4. Best move: Qxa1 — queen c3→a1, captures rook. Opponent replies Qf4+ (queen g5→f4, gives check).
5. Best move: Kg2 — king h2→g2.

Tactical themes

advantage, defensive move, endgame, quiet move, very long. The key move is g4.

Position data

FEN: 8/5pkp/6p1/1p1q4/8/1PQ2NPP/5P1K/r7 b - - 3 38

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