11.P. to Q’s 5th.11.B. to K. Kt.’s 5th. (best.)
12.P. takes Q’s Kt.12.P. takes P.

Black might play also Q’s R. to Q. Kt.’s sq., whereupon follows,—

13. P. takes P. (dis. ch.) 13. B. to Q’s 2d.
14. Q. to Q. Kt.’s 3d, and wins.
13.P. to K’s 5th.

White might also with advantage take the Q. B’s P. checking, although the move in the text seems stronger.

13.B. to K’s 3d.

If he play,—

13. Q. to Q’s 2d.
14.. P. takes P. 14. P. takes P.
15. Kt. to Q’s 5th, and wins.
14.B. takes B.14.P. takes B.
15.Q. takes P. (ch.)15.K. to B’s sq.
16.B. to Q. R’s 3d, with a winning game.
Variation A. on Black’s 10th Move.
WHITE. BLACK.
10.B. to Q’s 2d.
11.Q. to Q. Kt.’s 3d.11.Kt. to Q. R’s 4th. (best.)
12.B. takes K. B’s P.12.K. to B’s sq.
13.Q. to Q’s 5th.13.Kt. to K. B’s 3d.
14.Q. to K. Kt.’s 5th.14.K. takes B.
15.P. to K’s 5th.15.P. to K. R’s 3d.