Chess Puzzle #hkGoL — Master, Black to move, middlegame

Position

White: king b1; rooks b5/d1; knight d5; pawns a2/b2/c2/g2/h2. Black: king a7; rooks d7/d8; bishop g7; pawns e6/g6/h7. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Ra5+ — rook b5→a5, gives check. Now Black to move.
2. Best move: Kb7 — king a7→b7. Opponent replies Rb5+ (rook a5→b5, gives check).
3. Best move: Ka6 — king b7→a6. Opponent replies Rb6+ (rook b5→b6, gives check).
4. Best move: Ka7 — king a6→a7. Opponent replies Rxe6 (rook b6→e6, captures pawn).
5. Best move: Rxd5 — rook d7→d5, captures knight.

Tactical themes

endgame, equality, very long. The key move is Kb7.

Position data

FEN: 3r4/k2r2bp/4p1p1/1R1N4/8/8/PPP3PP/1K1R4 w - - 0 26

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