[ECO code C20]
The Exchange Variation
Black's King's Pawn captures White's KBP on KB5(f4) and invites an exchange by threatening to advance further against White's KKt. B-Alt.
White Black 1. P-K4 P-K4 2. Kt-K2 Kt-KB3 3. P-KB4 PxP Transp.from KGA.
WHITE to or Undo or Jump or Clear
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