10 OCTOBER 1970, Page 31

Chess 511

PHILIDOR

L. I. Loshmski (Problemist, 1930). White to play and mate m two moves; solution next week, Solution to No. 510 (Leites-1K1NrIbR/ 2PB kpR1/1Q1pP3/5n2/2N5/24): P x P. no threat. 1 • P-Q4; 2 P x R=-Q. 1 K-B3; 2 Px R =Kt.

1 -.K-B1, 2 PxB=Q. 1...R-B1;2PxB-Kt. 1 • • . R x Ktch; 2 P x R =Q. 1 . . . Kt moves:

2 Ox P. Six promotions of one White pawn—the maximum possible in a two-mover.