Chess Puzzle #GPIr5 — Master, Black to move, middlegame

Position

White: king g2; queen f2; rooks a1/f1; bishop c3; knight d2; pawns a2/b3/c2/d4/e3/f4/g3/h2. Black: king d7; queen h5; rook g6; bishop h4; knight f5; pawns a7/c6/c7/d5/e4/f7/h7. White is ahead by 6 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rae1 — rook a1→e1. Now Black to move.
2. Best move: Bxg3 — bishop h4→g3, captures pawn. Opponent replies hxg3 (pawn h2→g3, captures bishop).
3. Best move: Qh4 — queen h5→h4. Opponent replies Rh1 (rook f1→h1).
4. Best move: Rxg3+ — rook g6→g3, captures pawn, gives check. Opponent replies Qxg3 (queen f2→g3, captures rook).
5. Best move: Qxg3+ — queen h4→g3, captures queen, gives check.

Tactical themes

advantage, clearance, intermezzo, middlegame, pin, sacrifice, very long. The key move Rxg3+ captures with check, forcing a response.

Position data

FEN: 8/p1pk1p1p/2p3r1/3p1n1q/3PpP1b/1PB1P1P1/P1PN1QKP/R4R2 w - - 5 21

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