Chess Board
[ECO code B07]
PIRC DEFENCE
Byrne Variation
White castles long (ie. Q-side), securing his king and bringing his King's Rook into play.
Black's Queen develops to QR4(a5) and pins White's QKt, but White has the better potential.
    White  Black	White  Black
 1. P-K4   P-Q3	     6.	B-KB4  P-KKt4
 2. P-Q4   Kt-KB3    7.	B-Kt3  Kt-R4
 3. Kt-QB3 P-KKt3    8.	B-QB4! P-QB3
 4. B-KKt5 B-Kt2     9.	0-0-0  Q-R4
 5. Q-Q2   P-KR3
Example ends: Undo or Jump or Clear