Poisoned Pawn Variation

The Poisoned Pawn Variation is any of several chess opening variations where a pawn is said to be "poisoned" because its capture can result in positional problems or material loss for the captor. The best known of these, called the Poisoned Pawn Variation, is a line of the Sicilian Defense, Najdorf Variation as follows:

Video Link: http://www.youtube.com/watch?v=dnBJsy5wbIw

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BK