Winning blow: pawn to f5 (g4·4)
c9-09169naming tag (square·N)Opens in the app if installed, otherwise downloads the APK.
The tactical motive
Chess960 twist: use the unusual starting setup of the pieces.
Winning tactic: there is a move that gains a decisive advantage — find it.
Difficulty 920 ShuffleRating — for beginners taking their first steps in Chess960 tactics.
White to move — find the best continuation
How to recognize this tactic
In Chess960 the pieces start on unfamiliar squares, so tactics appear earlier and from unusual angles. Do not trust classical patterns — read the actual lines of the bishops, the rooks and the queen from where they really stand in this position.
This position hides a concrete tactic that wins material or mates. Start with the most forcing candidate moves — checks, captures and threats — and calculate each to a clear end before choosing; the winning line is usually the one the opponent cannot meet.
General method: before you move, list the forcing candidates — every check, every capture, every direct threat — and calculate those first. The solution to a tactic is almost always among them.
Position on the board
White: king f1, bishop d4, pawn a2 b3 e3 f4 g4.
Black: king f7, bishop g1 f5, pawn d5 b6 a7 h7.
7 white and 7 black pieces are on the board; the puzzle position arises after move 31.
The position in numbers
Black are ahead by 2 points of material (8 against 10; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on f1, the black king on f7.
It is White to move on move 31, with 19 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 5 pawns, Black 4. Files fully open (no pawns of either colour): c — natural highways for the rooks and queen. Half-open for White: d, h.
Black hold the bishop pair, an edge in open lines. The White king has 4 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
31. gxf5 Bxe3 32. Bxe3
Why it works
- Great move! pawn to f5 keeps the pressure (+5.3).
- Spot on — bishop to e3 (+4.8).
- You win a piece — the bishop.
- If instead Bxe3, then Bxe3 and you win the bishop.
Move by move
- 31. gxf5 — pawn to f5 (capture)
- Bxe3 — bishop to e3 (capture)
- 32. Bxe3 — bishop to e3 (capture)
Types in this puzzle
Winning blow
Find the strike that wins material by force.
A winning blow is a forced material gain that does not fit a single textbook motif. The general tactical recipe applies: spot loose pieces, an awkwardly placed king, overloaded lines. Go through the forcing moves in order of violence — checks, captures, threats — because most combinations start with one of them. Do not judge by feel: calculate the concrete line until the outcome is beyond doubt.
Minor-piece endgame
Bishops and knights duel — geometry decides.
A minor-piece endgame leaves only bishops and knights with pawns, and geometry decides. The bishop loves an open board and play on both wings; the knight loves fixed pawns and outpost squares. Check which color squares the pawns stand on and where the knight can actually reach in time. Practical tip: against a knight, spread the play across both flanks — short legs cannot cover everything.
About this position
These pieces come from starting position #928.
SP-928 · ThroneScout — A knight starts on the edge (a/h) and the king sits centrally on d or e; the mirror twin stays in this family too.
The king starts on d1, the rooks on c1 and e1, the queen on g1.
Castling long simply swaps the two pieces: the king on d1 and the rook on c1 trade places.
A bishop starts in the corner on a1: it has a single diagonal, which the b-pawn unlocks, running out to h8.
Every pawn on the second rank is defended from the very first move.
The setup belongs to the ThroneScout family; read right to left it becomes position 31.
The engine's main line opens with d4, putting a pawn straight into the centre.
Morozov Balance Index: 65 of 100 — class B — balanced. Engine evaluation of the starting position: +22 centipawns for White (depth 43, 400 000 000 nodes).
Explore position #928Provenance
Mined from the project's engine self-play games.
Pack 004 · SP-928
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