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

Position

White: king g1; queen e2; rooks a1/e1; bishops b2/h1; knight e4; pawns a2/b3/c4/d5/f2/g3/h2. Black: king g8; queen f5; rooks a8/f8; bishops g4/g7; knight e5; pawns a7/b7/c7/d6/g6/h7. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qd2 — queen e2→d2. Now Black to move.
2. Best move: Nf3+ — knight e5→f3, gives check. Opponent replies Bxf3 (bishop h1→f3, captures knight).
3. Best move: Bxf3 — bishop g4→f3, captures bishop. Opponent replies Re3 (rook e1→e3).
4. Best move: Bxb2 — bishop g7→b2, captures bishop. Opponent replies Qxb2 (queen d2→b2, captures bishop).
5. Best move: Bxe4 — bishop f3→e4, captures knight.

Tactical themes

advantage, fork, middlegame, very long. The key move is Nf3+.

Position data

FEN: r4rk1/ppp3bp/3p2p1/3Pnq2/2P1N1b1/1P4P1/PB2QP1P/R3R1KB w - - 1 19

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