[ECO code D54]
Lasker Defence (alt. route)
Black castles on the king's side of the board with equality, transposing routes. B-Alt.
White Black White Black 1. P-Q4 P-Q4 6. BxB QxB 2. P-QB4 P-K3 7. PxP KtxKt 3. Kt-QB3 Kt-KB3 8. PxKt PxP 4. B-Kt5 B-K2 9. Q-Kt3 Q-Q3 5. P-K3 Kt-K5 10. Kt-B3 0-0 Main 5..0-0 route
Example ends: Undo or Jump or Clear