17. … Q-K2 18. Kt-B5 R-Kt3 19. R-K3 P-QR4 20. Q-Q4 R-Kt1 21. P-QB4
preventing R-Kt4
21. … P-R3 22. P-QKt3 K-R2 23. R-Q1 Q-Kt4 24. R-Kt3 Q-B4 25. RxR PxR
Black has built a wall of pawns round his King, but it does not avail against the superior forces which White can concentrate.
White’s plan is clear. He will advance his pawns, and break up those that surround the Black King, always taking care that Black does not free his Queen’s side meanwhile. His pieces will then break in easily, and Black is forced to look on passively.
26. P-KR3 R-R1 27. P-QR4
to prevent the sacrifice of a pawn by P-R5, which would bring the Black Rook into play.
27. … R-Kt1 28. R-Q3 Q-Kt4 29. K-R2 Q-K2 30. P-B4 Q-B2 31. P-K6!!
Diag. 115