Advanced pawn's promotion threat wins
This is a Black-to-move Material imbalances endgame study. With best play, the result is white wins; the solution runs 10 half-moves.
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Advanced pawn's promotion threat wins is a Material imbalances endgame study from the Climbchess curated set of 80 positions. White's far-advanced pawn on the seventh rank creates unstoppable promotion threats, even when Black's rook is active. The pawn's proximity to queening forces White to victory.
Position: Black to move. Result with best play: white wins. Solution length: 10 half-moves.
FEN: 8/P7/2k5/8/6r1/2K5/1Q3p2/8 b - - 0 1
Solving guide (move by move)
Show step-by-step solution
Try the position yourself first — endgame technique compounds when you struggle through the calculation before peeking.
- Black:
g4g3 - White:
c3b4 - Black:
g3g8 - White:
b2f2 - Black:
g8d8 - White:
f2f6 - Black:
c6d7 - White:
f6d8 - Black:
d7d8 - White:
a7a8q
About Material imbalances
Q vs R, R vs minor, fortress, underpromotion, extra pawns.
Related endgames
Underlying chess concepts
Endgame technique reduces to a small number of recurring patterns: opposition, key squares, zugzwang, fortress, breakthrough. Climbchess catalogues 4,505 interpretable patterns extracted from Leela Chess Zero via sparse autoencoders. Browse the methodology or jump straight into the trainer to attempt this exact position interactively.
Frequently asked
Is this position a win, draw or loss?
With best play: white wins. Black moves first.
What is the key idea?
White's far-advanced pawn on the seventh rank creates unstoppable promotion threats, even when Black's rook is active. The pawn's proximity to queening forces White to victory.
How long is the solution?
10 half-moves (5 full moves) of forced or near-forced play.
Where can I practise it?
Open the Climbchess trainer using the deep-link button — the position loads pre-set so you can play it out against the engine.