Even the Knight is brought in via K4.

21. … R-Q1 22. R-Q3 P-QB4 23. Kt-B6

threatening QxPch and R-Kt8 mate. Black cannot capture the Kt because of QxPch and mate at Kt7. But the mate cannot be delayed much longer in view of the concentration of superior forces for the attack.

23. … Kt-Kt3 24. R-R3 Resigns

There is no answer to Q-Kt5 and RxP.

GAME No. 37

White: Marshall. Black: Capablanca.

Queen’s Gambit Declined (see p. 52).

1. P-Q4 P-Q4 2. P-QB4 P-K3 3. Kt-QB3 Kt-KB3 4. B-Kt5 B-K2 5. P-K3 Kt-K5