Not 9. B takes P: ch., because of 9. ... K to K 2; 10. Q to B 3, R to B
sq. (!); 11. Kt to Q B 3, B to K 3; 12. Q to B 5, B takes B (if 12. ...
B takes Q; 13. Kt to Q 5, mate), and wins; or 12. Q to R 5, then P
takes Kt, and wins.
... 9. Q to B 3
10. Q to R 5 ...
Not 10. Kt takes R, became of 10. ... B takes P; 11. Q to R 5: ch., K
to K 2; 12. Q to B 7: ch., Q takes Q; 13. B takes Q, B takes R, and
wins. Equally bad would be 10. P to K 5, P takes P; 11. Kt takes P, Kt
takes B; 12. Kt takes Kt, B takes P, and wins.
... 10. Castles (quite legal)
11. Kt takes R P: dble. ch. 11. K to Kt 2
12. Kt to Kt 4 12. B takes Kt
13. Q takes B: ch. 13. K to R sq.
14. Q to K 2 14. B takes P, and wins.
{373}
... 5. Q P to R 3
Not 5. ... Kt takes P, which would be met by 6. P to R 5, with a winning
attack. And not 5. ... P to Q R 4, which is inferior to the text move, and
weakens the pawns on the Queen's side for the End game.
6. Castles 6. P to Q 3
7. P to B 3 7. Kt to B 3
8. P to Q 3
The position is now equivalent to the Giuoco Piano, except that White has
advanced his Queen's side pawns, which is a slight disadvantage.