Chess Puzzle #EHKAz — Intermediate, White to move, endgame

Position

White: king g3; rook g6; knights d5/e5; pawns d4/e3/g2. Black: king e7; queen a1; rook b3; bishop b4; pawn b6. Black is ahead by 4 points of material. White to move.

Solution (2 moves)

1. Opponent setup: Kd8 — king e7→d8. Now White to move.
2. Best move: Rg8+ — rook g6→g8, gives check. Opponent replies Bf8 (bishop b4→f8).
3. Best move: Rxf8# — rook g8→f8, captures bishop, delivers checkmate.

Tactical themes

endgame, mate, mate in 2, short. The combination ends with Rxf8# delivering checkmate.

Position data

FEN: 8/4k3/1p4R1/3NN3/1b1P4/1r2P1K1/6P1/q7 b - - 3 55

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