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- Chess Strategy - 60/68 -


It would be too risky to leave both King and Queen on the QB file.

12. ... QR-B1 13. B-Q3 P-KR3

The threat was: BxKt and BxPch. Had White played P-KKt4 and P-KR4 instead of effecting exchanges in the centre, Black would not have been able to afford this weakening move. But now Black wins the game on the other wing, before White is able to make use of the weakness thus created.

14. BxKt BxB 15. B-B5 KR-Q1 16. BxB PxB 17. Q-Kt6

The Queen must leave the QB file without delay, as Kt-K5 is threatened. Black's game is already superior; with the exception of the Queen, White has no piece available for the attack on the opposing King.

17. ... R-Q3 18. R-QB1 R-R3

Now White must again provide against Black's Kt-K5, as White's QKt is needed for the defence of QR2.

19. P-B3 R-Q1

Black intends to move his B and then to advance his KP with an attack on the Queen. The object of the text move is to prevent White from saving himself by an attack on the Rook (Q-B5).

20. R-B2 BxKt

By this exchange Black achieves his object of driving off the Knight by P-Q5, but White has time to give his RP further protection by P-QKt3, This, Black would have prevented by playing B-Kt4 instead of the text move, e.g. 21. P-B4, P-K4; 22. Q-B5, PxKt; 23. PxP, B-B3; 24. PxKt, P-Q5, etc.

21. PxB P-K4 22. Q-Kt4 PxP 23. QxP Kt-K3 24. Q-K5

This delays the fatal advance of the QP for one move.

24. ... P-QKt4 25. P-QKt3 P-Q5 26. Kt-K4 P-Q6 27. R-Q2 Kt-Q5 28. R-QB1 Kt-B7 29. Q-Kt2 Kt-R6ch 30. K-R1 Kt-B7ch 31. K-Kt1 Kt-R6ch 32. K-R1 Kt-B7ch 33. K-Kt1

--------------------------------------- 8 | | | | #R | | | #K | | |---------------------------------------| 7 | #P | | | | | | #P | | |---------------------------------------| 6 | #R | | | | | | | #P | |---------------------------------------| 5 | #Q | #P | | | | | | | |---------------------------------------| 4 | | | | | ^Kt| | | | |---------------------------------------| 3 | | ^P | | #P | | ^P | | | |---------------------------------------| 2 | ^P | ^Q | #Kt| ^R | | | ^P | ^P | |---------------------------------------| 1 | | ^K | ^R | | | | | | --------------------------------------- A B C D E F G H

Diag. 154

Black does not play for a draw, but only wishes to gain time.

33. ... R-QB3

The intention is to double Rooks and to force an entry at B7. P- Kt5 would not be good. The White Rook would no longer be attacked, and the Knight could attack the QP.

34. R(B1)-Q1 KR-QB1

Now that the White Rook has left the QB file, one Rook would be sufficient to force an entry at B7, and Kt-R6ch followed by P-Kt5 could have been played at once, e.g. 34. ... Kt-R6ch; 35. K-R1, P-Kt5 (preventing P-QKt4); 36. Kt-B2,R-B7; 37. RxR, PxR; 38. R- QB1, Q-Kt3; 39. Kt-K4, R-Q8 followed by RxRch, Q-Q5ch and P-B8 mate.

35. RxP Kt-R6ch 36. K-R1 P-Kt5 37. R-Q7 Q-K4!!

If QxQ, Black mates in three.

38. R-Q8ch RxR 39. RxRch K-R2 40. R-Q1 QxQch

Curiously enough there is nothing better. Q-B2 only leads to the exchange of Queens and the same end-game, which, however, is an easy win for Black, as the permanent mating threat keeps the White Rook tied to the first rank, whilst the Black King threatens to capture all the White pawns.

If Q-B2 White forces the exchange of Queens with the following combination: 41. Q-Q2, R-B7; 42. Q-Q3, R-B8ch; 43. K-Kt2, with a threat of Kt-B6ch and Q-R7 mate. Black therefore would have to play Q-B7ch, etc., as in the game.

41. KxQ R-B7ch 42. K-R1 RxP 43. R-R1 P-Kt4 44. Kt-B6ch K-Kt2 45. Kt-K4 K-Kt3 46. Kt-Q6 P-QR4

We have now a position with a forced move. If the White Knight moves, there follows K-B4-B5, etc. Therefore White gives up his R P voluntarily.

47. R-QB1 RxP 48. Kt-B4 Kt-Kt4

Now Kt-B6 and RxP mate are threatened.

49. Kt-K5ch K-Kt2 50. Kt-Kt4 R-K7 51. R-B5 R-K8ch 52. K-Kt2 Kt-R6 53. R-B7ch K-B1 54. R-B1 R-K7ch 55. K-R1 Kt-B7ch 56. K-Kt1 Kt-R6ch

Black again appears to be short of time.

57. K-R1 Kt-Kt4 58. R-B5 R-K8ch 59. K-Kt2 Kt-R6 60. R-B1 R-K7ch

Now, after the sixtieth move Black has again plenty of time, and can prepare the final combination at leisure.

61. K-R1 R-K3 62. R-R1 K-Kt2 63. R-QB1 K-Kt3 64. R-B6 RxR 65. Kt-K5ch K-B4 66. KtxR P-R4 67. Kt-Q4ch K-K4 68. Kt-K2 Kt-B7ch 69. K-Kt2 Kt-Q5 Resigns.

GAME NO. 39.

White: Rotlewi. Black: Rubinstein

Queen's Gambit Declined.

1. P-Q4 P-Q4 2. Kt-KB3 P-K3 3. P-K3 P-QB4 4. P-B4 Kt-QB3 5. Kt-B3 Kt-B3 6. QPxP BxP 7. P-QR3 P-QR3 8. P-QKt4 B-Q3 9. B-Kt2 Castles

--------------------------------------- 8 | #R | | #B | #Q | | #R | #K | | |---------------------------------------| 7 | | #P | | | | #P | #P | #P | |---------------------------------------| 6 | #P | | #Kt| #B | #P | #Kt| | | |---------------------------------------| 5 | | | | #P | | | | | |---------------------------------------| 4 | | ^P | ^P | | | | | | |---------------------------------------| 3 | ^P | | ^Kt| | ^P | ^Kt| | | |---------------------------------------| 2 | | ^B | | | | ^P | ^P | ^P | |---------------------------------------| 1 | ^R | | | ^Q | ^K | ^B | | ^R |


Chess Strategy - 60/68

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