Rescue the bishop to g7
li-03Xp4Opens in the app if installed, otherwise downloads the APK.
The tactical motive
Save the piece: one of your pieces is attacked — find the best way to rescue it.
Difficulty 2175 ShuffleRating — expert level — few solve it at first try.
Black to move — find the best continuation
How to recognize this tactic
Here the task is defensive: one of your pieces is under attack and must be rescued without losing more. Look for a move that saves it with tempo — a counter-check, an equal counter-attack or an interposition — rather than a passive retreat.
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 c1, queen h5, rook e1 g7, bishop d4, pawn a2 b2 f2 h2 c3.
Black: king g8, queen d6, rook a8 f8, bishop f6, pawn d5 a7 b7 c7 f7.
10 white and 10 black pieces are on the board; the puzzle position arises after move 21.
The position in numbers
Material is level — 27 points of pieces on each side (pawn = 1, knight and bishop = 3, rook = 5, queen = 9).
The white king stands on c1, the black king on g8.
It is Black to move on move 21, with 2 legal replies to weigh — only the line that keeps the advantage solves the puzzle. Black are in check right now, so every reply must answer the check.
White keeps 5 pawns, Black 5. Files fully open (no pawns of either colour): e, g — natural highways for the rooks and queen. Half-open for Black: h.
The Black king has 1 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
21... Bxg7 22. Rg1 f6
Why it works
- Great move! bishop to g7 keeps the pressure (+2.8).
- Well found: pawn to f6 (+3.1).
- You win a piece — the rook.
- If instead Rg1, then f6 and you win the rook.
Move by move
- 21… Bxg7 — bishop to g7 (capture)
- 22. Rg1 — rook to g1
- f6 — pawn to f6
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.
Mate defense
Mate is threatened — parry it and stay on top.
Mate defense: your opponent is one move from mating you — but it is your turn, and that changes everything. Find the defense that kills the mating threat while keeping your advantage: often a check or a counter-threat that leaves no time for the mate. First name the exact square where the mate would land — otherwise you are defending blind. The mistake is playing a "defensive" move that does not actually remove the threat.
Save the piece
The attacked piece can be saved — with profit.
Saving the piece: one of your pieces is attacked, and the job is not to lose it for nothing. There are several tools: retreat with tempo, defend it, block the attack, or create a bigger counter-threat. Before retreating automatically, look for a retreat that attacks something — you save the piece and gain time in one move. The typical mistake is panicking onto the first available square, where the piece gets trapped again.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 015
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