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

Position

White: king g1; rooks e1/h8; knight h7; pawns a2/b2/e5/g2/h3. Black: king g4; queen c2; rooks a8/f4; bishop c8; pawns a6/b5/f5/f7/g6. Black is ahead by 9 points of material. White to move.

Solution (6 moves)

1. Opponent setup: Kg3 — king g4→g3. Now White to move.
2. Best move: Re3+ — rook e1→e3, gives check. Opponent replies Kh4 (king g3→h4).
3. Best move: g3+ — pawn g2→g3, gives check. Opponent replies Kh5 (king h4→h5).
4. Best move: Nf6+ — knight h7→f6, gives check. Opponent replies Kg5 (king h5→g5).
5. Best move: gxf4+ — pawn g3→f4, captures rook, gives check. Opponent replies Kxf4 (king g5→f4, captures pawn).
6. Best move: Nd5+ — knight f6→d5, gives check. Opponent replies Kg5 (king f4→g5).
7. Best move: Rg3# — rook e3→g3, delivers checkmate.

Tactical themes

attraction, double check, fork, mate, mate in 5, middlegame, very long. The combination ends with Rg3# delivering checkmate.

Position data

FEN: r1b4R/5p1N/p5p1/1p2Pp2/5rk1/7P/PPq3P1/4R1K1 b - - 0 32

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