Polish Defense
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- This article uses algebraic notation to describe chess moves.
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The Polish Defense is the name commonly given to one of several sequences of chess opening moves characterized by an early ...b5 by Black. The name "Polish Defense" is given by analogy to the so-called Polish Opening, 1.b4. These lines include
and
- 1.Nf3 Nf6
- 2.g3 b5
(sometimes called the Polish Defense Deferred).
1.d4 b5 is generally considered dubious after 2.e4, threatening 3.Bxb5. It is closely related to the St. George Defense (1.e4 a6, usually followed by 2.d4 b5) into which it often transposes. Boris Spassky played 1.d4 b5 against Tigran Petrosian in the decisive 22nd game of their world championship match in 1966. The opening was unsuccessful: Petrosian won the game, thus ensuring that he would retain his title.
1.Nf3 Nf6 2.g3 b5 is a fully respectable opening that has been successfully played by former World Champion Anatoly Karpov, among others. It prepares to fianchetto Black's queen bishop and prevents White from playing the otherwise desirable c4. Note that here 3.e4 would allow 3...Nxe4. White is in any event pretty much committed to fianchettoing his king bishop rather than developing it along the f1-a6 diagonal.
