Chess Puzzle #WDC11 — Expert, White to move, middlegame

Position

White: king g1; queen d2; rook e3; bishop c4; knight f3; pawns a3/b4/f2/g4/h3. Black: king b8; queen d6; rook d8; bishop g6; knight c6; pawns a6/c7/d3/g7/h6. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: Ka7 — king b8→a7. Now White to move.
2. Best move: Re6 — rook e3→e6. Opponent replies Nd4 (knight c6→d4).
3. Best move: Qe3 — queen d2→e3. Opponent replies Kb8 (king a7→b8).
4. Best move: Rxd6 — rook e6→d6, captures queen.

Tactical themes

advantage, clearance, long, middlegame, pin. The key move is Re6.

Position data

FEN: 1k1r4/2p3p1/p1nq2bp/8/1PB3P1/P2pRN1P/3Q1P2/6K1 b - - 0 28

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