[ECO code E00]
CATALAN OPG. to EXCHANGE BOGOLJUBOW
White adopts the Exchange Variation of the Bogoljubow Def. by developing his King's Knight to KB3(f3) in anticipation of 6..B-Kt2.
White Black Transp.White Black 1. P-Q4 Kt-KB3 (1.) 2. P-QB4 P-K3 (2.) 3. P-KKt3 B-Kt5 ch (3. Kt-KB3 B-Kt5 ch 4. B-Q2 BxB ch (4. B-Q2 BxB ch ) 5. QxB P-QKt3 (5. QxB P-QKt3 ) 6. Kt-KB3 (6. P-KKt3 )
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