Winning blow: king to e2 (e1·15)
c9-15867naming 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 1280 ShuffleRating — club-player level.
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 e1, queen h7, rook b1 h1, bishop b2, knight f1 f3, pawn a2 f2 g2 h2 a4 d4 c5.
Black: king e8, queen c8, rook e2 b8, bishop a8 d8, pawn b4 h4 d5 g6 c7 e7.
14 white and 12 black pieces are on the board; the puzzle position arises after move 19.
The position in numbers
White are ahead by 4 points of material (35 against 31; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on e1, the black king on e8.
It is White to move on move 19, with 2 legal replies to weigh — only the line that keeps the advantage solves the puzzle. White are in check right now, so every reply must answer the check.
White keeps 7 pawns, Black 6. No file is fully open, so the heavy pieces have to be pried in. Half-open for White: b, e.
Black hold the bishop pair, an edge in open lines. The White king has 2 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
19. Kxe2 Qa6+ 20. Ke1 Kd7 21. Ne5+
Why it works
- Great move! king to e2 keeps the pressure (+7.0).
- king to e1 develops smoothly.
- Precise: knight to e5 is the top choice (+7.1).
- You win a piece — the rook.
- If instead Qa6+, then Ke1 and you win the rook.
Move by move
- 19. Kxe2 — king to e2 (capture)
Types in this puzzle
Hanging piece
A piece is left without protection — just take it.
A hanging piece is simply an unprotected piece you can take for free. It sounds primitive, yet most amateur games are decided exactly this way. Build the habit: before every move, sweep the board and note every undefended piece, yours and theirs. The classic mistake is hunting for a brilliant combination when all you need to do is bend down and pick up the gift.
About this position
These pieces come from starting position #689.
SP-689 · ThroneGuard — King home on d or e, knights kept off the a- and h-files — the family of the standard starting array.
The king starts on e1, the rooks on b1 and h1, the queen on c1.
Castling ends where it always does: king to g1 and rook to f1 on the short side, king to c1 and rook to d1 on the long one.
A bishop starts in the corner on a1: it has a single diagonal, which the b-pawn unlocks, running out to h8.
The second rank carries 2 pawns with no defender at all: a2, g2.
The setup belongs to the ThroneGuard family; read right to left it becomes position 459.
The engine's main line opens with b4.
Morozov Balance Index: 98 of 100 — class A — most balanced. Engine evaluation of the starting position: +5 centipawns for White (depth 47, 400 000 000 nodes).
Explore position #689Provenance
Mined from the project's engine self-play games.
Pack 009 · SP-689
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