Chess Puzzle #Lv71T — Master, Black to move, endgame

Position

White: king f1; pawns b5/g2. Black: king g3; pawns d3/f4. Material is balanced. Black to move.

Solution (8 moves)

1. Opponent setup: Ke1 — king f1→e1. Now Black to move.
2. Best move: Kxg2 — king g3→g2, captures pawn. Opponent replies Kd2 (king e1→d2).
3. Best move: f3 — pawn f4→f3. Opponent replies b6 (pawn b5→b6).
4. Best move: f2 — pawn f3→f2. Opponent replies b7 (pawn b6→b7).
5. Best move: f1=Q — pawn f2→f1, promotes to queen. Opponent replies b8=Q (pawn b7→b8, promotes to queen).
6. Best move: Qe2+ — queen f1→e2, gives check. Opponent replies Kc3 (king d2→c3).
7. Best move: d2 — pawn d3→d2. Opponent replies Qb7+ (queen b8→b7, gives check).
8. Best move: Kf2 — king g2→f2. Opponent replies Qf7+ (queen b7→f7, gives check).
9. Best move: Ke1 — king f2→e1.

Tactical themes

advanced pawn, crushing, defensive move, endgame, exposed king, pawn endgame, promotion, very long. The key move Kxg2 wins material.

Position data

FEN: 8/8/8/1P6/5p2/3p2k1/6P1/5K2 w - - 0 39

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