13 SEPTEMBER 1969, Page 28

Chess 456

PHILIDOR

C. Mansfield (1st Prize, Hampshire Telegrapi Post, 1915). White to play and mate in two mo‘e5, solution next week.

Solution to no. 455 (Thomson): R-KB21, threat 2R(2)-B8 and 3R (B8)-QB8 mate. A. 1 P x R or P-Kt7; 2P-Q5ch, K-B2; 3 B> B matt B.1 ...KtxP; 2R-QB2ch etc. C. 1 . ll B Of K-B2; 2R(2)-B8. Fine and unexpected ke).

This week I give the game mentioned last week which Pillsbury beat Lasker with a variation t he had waited seven years to play. In this tou meet Lasker was the only strong player t Pillsbury, already a very sick man, defeated, wh makes this brilliant game all the more remarkable White, H. N. Pillsbury. Black, Dr E. Laske Opening, Queen's Gambit.

1 P-Q4 P-Q4 2 P-QB4 P-K3 3 Kt-QB3 Kt-KB3 4 Kt-B3 P-B4 5 B-Kt5 BP x P 6 Q x P Kt-B3 7 B x Kt! ... Here Pillsbury ploy

7Q-.R4 against Lasker in the 1896 St Poem burg tournament; Lasker won a magnificent victory which was a turning point in the tourna- ment. Pillsbury, leading up till then, nu recovered from the defeat and Lasker went to a decisive first place.

P x B 8 Q-R4 P: .P 8 . . . P-Q5; 9 0 0 0.

9 R-Ql B-Q2 10 P-K3 Kt-K4? This loses time and exchanges one of Black' best defensive pieces. 10 . . . P-B4 ; 11Q,:81 B-Kt5 would preserve approximate equality.

11 Kt x Kt P x Kt 12 QxBP Q-Kt3 Since the subsequent capture of the QKtP pro: bad this too is a loss of time 12 . . . R-81 13Q-Kt3 and now 13 . . . Q-Kt3 is prcfera hoping that if 14Q x Q the two bishops u compensate for the weak pawn.

13 B-K2! • a fine sacrifice . . .

13 . . . Q x P? . . . which Black 3ho decline.

14 0-0 R-BI 15 .Q-Q3 R-02 Unpleasant but necessary. 15 . . . B-B3 los to 16 B-B3!

16 Kt-K4 B-K2 17 Kt-Q6ch K-BI 17 . . . Bx Kt; 18 QxB, Q-Kt3; 19 Q A 0-0; 20 Q-B6 is also winning for While.

18 Kt-B4 Q-Kt4 19 P-B4!- P P 20 Q-Q4! P-B3 20 . . . R-Ktl?: Q x BP threatening Q x R or Q x P mate. plays the whole attack impeccably and I, great vigour. 21 QxBP Q-QB4 22 Kt-K5 B-K I 23 Kt-Kt4 P-B4 24 Q-R6ch K-B2 25 B-B4! R-B3 Of course not 25 Q x B??; 26 Kt-KSch. 26 R x Pch! Q x R 27 R-KB1 Q 11'1. 28 K x Q B-Q2 White threatened Kt-K5ch, K-Kr!; 30 Kt x R, P.-, Kr: Q x KPch, K-BI ; 32 Q-R6 mate.

29 Q-RSch K-Ktl ; 29 . . . K-K12; Q-KSch, K-Ktl ; 31 Kt-R6ch or 29 . K-8

30 Kt-K5, B-KI ; 31 Q-R6ch getting into 1 variation in the last note.

30 Kt-K5 Resigns. After 30 . . • 1(41 31 Q-B7ch White can choose between: winnirt 1-.0 of material or a mating WWI.