Chess Puzzle #K6SNl — Expert, Black to move, middlegame

Position

White: king g1; queen d2; rooks a1/d1; bishops e2/f2; knight c3; pawns a2/b2/c4/d4/e4/f3. Black: king e8; queen b6; rooks d8/h3; bishops c8/g7; pawns a7/b7/c6/e7/f7/g6. White is ahead by 3 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: d5 — pawn d4→d5. Now Black to move.
2. Best move: Rg3+ — rook h3→g3, gives check. Opponent replies Kf1 (king g1→f1).
3. Best move: Bh3+ — bishop c8→h3, gives check. Opponent replies Ke1 (king f1→e1).
4. Best move: Rg1+ — rook g3→g1, gives check. Opponent replies Bf1 (bishop e2→f1).
5. Best move: Rxf1+ — rook g1→f1, captures bishop, gives check.

Tactical themes

crushing, exposed king, kingside attack, middlegame, pin, very long. The key move Rxf1+ captures with check, forcing a response.

Position data

FEN: 2brk3/pp2ppb1/1qp3p1/8/2PPP3/2N2P1r/PP1QBB2/R2R2K1 w - - 1 21

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