Chess Puzzle #q6EtE — Expert, White to move, middlegame

Position

White: king g1; queen g3; rook a1; bishop c1; pawns a2/b3/c2/e4/f2/g2. Black: king g8; queen b5; rooks a8/f8; pawns a6/c6/c7/f7/g7/h7. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Rfe8 — rook f8→e8. Now White to move.
2. Best move: Bb2 — bishop c1→b2. Opponent replies g6 (pawn g7→g6).
3. Best move: Qc3 — queen g3→c3. Opponent replies Qe5 (queen b5→e5).
4. Best move: Qxe5 — queen c3→e5, captures queen. Opponent replies Rxe5 (rook e8→e5, captures queen).
5. Best move: Bxe5 — bishop b2→e5, captures rook.

Tactical themes

advantage, endgame, very long. The key move is Bb2.

Position data

FEN: r4rk1/2p2ppp/p1p5/1q6/4P3/1P4Q1/P1P2PP1/R1B3K1 b - - 0 19

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