Locking up a figure
The imprisonment of a piece is one of the strategic motives in chess that can be assigned to inhibition . Another inhibition motive is blockage . A figure can also be locked up voluntarily in order to achieve a stalemate (see study by Nadareishvili ). Often it is then the king who lets himself be locked up or locks himself up.
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White to move wins even though Black has one more rook.
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1. e5 – e6! With this move White blocks the black position.
The pawn move 1. e5 – e6 blocks the e7 pawn . As a result of this blockade remains the black runners the diagonal a3-e7 inaccessible. Since the pawn on g7 is also immobile, the bishop remains locked in and can no longer be active. The caged runner has an additional negative effect in this position. He prevents his tower from intervening , which is also locked in. This blockade by the white pawns compensates for a rook, an instructive example of how material disadvantage can be overcome through positional play.
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White to move is stalemate.
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..and white is stalemate!
Voluntary incarceration of a character:
The only way to keep the game is to lock yourself up. The king is brought to h5 and voluntarily imprisoned with h2 – h4 . Without this idea, White would clearly be at a loss.
1. Kg3
and now it doesn't matter whether Black converts the a-pawn (1.… a4 2. Kh4 a3 3. Kh5 a2 4. h4 a1 / ~ and White is stalemate ) or tries to capture the f4 pawn to give White more room to move to give (1.… Kc5 2. Kh4 Kd4 3. Kh5 Ke4 4. h4 Kxf4 White is stagnant), because Black is too slow in both variants. Georg Bernhard composed a study with this stalemate.
literature
- Anatoli Karpow et al .: Chess - encyclopedic dictionary , Sowjetskaja enzyklopedija, Moscow 1990, ISBN 5-85270-005-3 , p. 126. (Russian)