Chess Puzzle #Em3cp — Intermediate, White to move, middlegame

Position

White: king h1; queen d4; rooks d5/g1; pawns a3/d2/h2. Black: king h8; queen c6; rooks f2/g8; pawns a7/f5/g7/h7. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Rf3 — rook f2→f3. Now White to move.
2. Best move: Qxg7+ — queen d4→g7, captures pawn, gives check. Opponent replies Rxg7 (rook g8→g7, captures queen).
3. Best move: Rd8+ — rook d5→d8, gives check. Opponent replies Qe8 (queen c6→e8).
4. Best move: Rxe8+ — rook d8→e8, captures queen, gives check. Opponent replies Rg8 (rook g7→g8).
5. Best move: Rgxg8# — rook g1→g8, captures rook, delivers checkmate.

Tactical themes

endgame, mate, mate in 4, sacrifice, very long. The combination ends with Rgxg8# delivering checkmate.

Position data

FEN: 6rk/p5pp/2q5/3R1p2/3Q4/P7/3P1r1P/6RK b - - 2 35

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