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Saturday, August 20, 2011

Domination In chess.

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Mikhail Botvinnik was of the opinion that a clever play for domination, in all the stages of games, is the the characteristic feature of the chess style of the 12th world champion A. Karpov.

We use the word 'domination' to name the technique that involves trapping an enemy piece by taking control of all of its flight squares. This method is applicable not only in endgames. Domination can be implimented in many ways. One can catch and eliminate an enemy's piece or simply deprive it of all interference in the main events of the board.

White to Play

{Perhaps a knight is caught the most often because it is the least mobile piece.}

1. h5 f5 2. h6 Kf6 3. exf5 Na6 4. Kb5

{To prevent liberation of the knight, White must sacrifice his bishop.}

Nc7+ 5.
Kc5 ({After} 5. Kc6 $2 Nxe8 {(a reciprocal zugzwang)} 6. Kd7 {Black holds:}
Kxf5 7. h7 Nf6+

{White must lose a tempo in order to get the same position with Black to move.})
5... Nxe8 (5... Na6+ 6. Kc4 Nc7 7. Bc6 Na6 8. Kb5 Nc7+ 9. Kb6 Ne6 10. fxe6 fxe6
11. Be8 e5 12. Kc5 $18) 6. Kc6 1-0

Another Example is,

White to Play

{The cases when weaker pieces dominate stronger ones are, of course, the most
impressive.} {White cannot win by "normal" means because Black attacks the
a-pawn with his rook and king in time.} 1. Nf4+ $3 (1. Bc8 $2 Kd3 2. Bb7 Ra1 3.
Nf4+ Kc4 $11) (1. Bd7 $2 Ra1 2. Bb5+ Kf3 3. Nh4+ Ke4 $11) (1. Nh4 $2 Ra1 2. Bc8
Kd3 3. Nf5 Kc4 $11) 1... Rxf4 2. Bd7 $1 {A striking situation: all ways to the
a-file and to the 8th rank are closed for the rook on an open board.} Rf6 (2...
Rf3 3. Bg4) (2... Rf1 3. Bb5+) 3. a7 Ra6 4. Bb5+ $18 1-0