Chess Puzzle #AI6wn — Intermediate, Black to move, middlegame

Position

White: king h2; queen d6; rook d1; knight c3; pawns a2/b2/c2/e4/h4. Black: king b7; rooks f2/g5; knight e3; pawns a7/c6/e5. White is ahead by 6 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kh3 — king h2→h3. Now Black to move.
2. Best move: Rf3+ — rook f2→f3, gives check. Opponent replies Kh2 (king h3→h2).
3. Best move: Rg2+ — rook g5→g2, gives check. Opponent replies Kh1 (king h2→h1).
4. Best move: Rh3# — rook f3→h3, delivers checkmate.

Tactical themes

endgame, long, mate, mate in 3. The combination ends with Rh3# delivering checkmate.

Position data

FEN: 8/pk6/2pQ4/4p1r1/4P2P/2N1n3/PPP2r1K/3R4 w - - 3 31

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