Chess Puzzle #29XaL — Master, Black to move, middlegame

Position

White: king h1; queen d2; rooks a1/g1; bishop e2; knights b1/d7; pawns a2/b2/c3/d4/g2/h2. Black: king g8; queen g6; rook d8; bishop b7; knights e7/f5; pawns a6/b5/c4/f7/g7/h6. White is ahead by 5 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Ne5 — knight d7→e5. Now Black to move.
2. Best move: Ng3+ — knight f5→g3, gives check. Opponent replies hxg3 (pawn h2→g3, captures knight).
3. Best move: Qxg3 — queen g6→g3, captures pawn. Opponent replies Nf3 (knight e5→f3).
4. Best move: Bxf3 — bishop b7→f3, captures knight. Opponent replies Qxh6 (queen d2→h6, captures pawn).
5. Best move: Bxe2 — bishop f3→e2, captures bishop.

Tactical themes

advantage, kingside attack, middlegame, sacrifice, very long. The key move is Ng3+.

Position data

FEN: 3r2k1/1b1Nnpp1/p5qp/1p3n2/2pP4/2P5/PP1QB1PP/RN4RK w - - 3 22

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