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fiddle with the exchange variation a bit (5...Qe7 is really very rare); also a little on the exchange deferred (all needs expanding, of course) |
revised discussion of Exchange Var. a little, mentioning Lasker |
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In the Exchange Variation (4.Bxc6), White damages Black's pawn structure, giving him a ready-made long-term plan of swapping off the pieces and winning the pawn ending. Black has decent compensation, however, in the form of the bishop pair, and the variation is not considered White's most ambitious, though [[Bobby Fischer]] played it in a few notable games.
The Exchange has two different lines after 4.Bxc6 dxc6.
White may also delay the exchange for a move or two: 4.Ba4 Nf6 5.O-O Be7 and only now 6.Bxc6, for example; at first glance this seems like a simple waste of time, but Black having played Nf6 rules out defending the pawn with f6, and the bishop already being on e7 means that Bd6 would be a loss of [[tempo (chess)|tempo]].
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