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

Position

White: king g1; queen f1; rooks a1/f2; bishop g2; knights c3/e5; pawns a3/b2/d3/d5/h4. Black: king e8; queen e3; rooks a8/g8; bishop h3; knight d4; pawns a7/b7/f7/h5/h6. White is ahead by 3 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Re1 — rook a1→e1. Now Black to move.
2. Best move: Rxg2+ — rook g8→g2, captures bishop, gives check. Opponent replies Qxg2 (queen f1→g2, captures rook).
3. Best move: Qxe1+ — queen e3→e1, captures rook, gives check. Opponent replies Rf1 (rook f2→f1).
4. Best move: Qxf1+ — queen e1→f1, captures rook, gives check. Opponent replies Kxf1 (king g1→f1, captures queen).
5. Best move: Bxg2+ — bishop h3→g2, captures queen, gives check.

Tactical themes

advantage, attraction, deflection, exposed king, fork, middlegame, very long. The key move Rxg2+ captures with check, forcing a response.

Position data

FEN: r3k1r1/pp3p2/7p/3PN2p/3n3P/P1NPq2b/1P3RB1/R4QK1 w q - 1 21

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