threatens P-Kt7. But as White must first move his Bishop to cover his pawn, the Rook’s pawn is lost, and the manœuvre therefore unsound. P-R3 was indicated; it threatens the break-up of the Black pawns by P-Kt4 and their capture by the King.

5. … K-B3 6. B-Q4 R-R2ch 7. K-K3 RxP 8. K-B4 R-Q7! 9. P-Kt4 RxB

Black reduces the position to an elementary ending, which is theoretically a win. Whilst the two White passed pawns are isolated and fall singly, Black obtains two passed pawns, which are united and unassailable.

10. PxR P-K6 11. KxKP PxP 12. K-B4 P-R4 13. P-Q5ch KxKtP 14. K-K5 K-B2 Resigns.

V. FROM A GAME STEINER-FORGACZ (SZEKESFEHERVAR, 1907).

Diag. 88

White has an advantage in the greater mobility of his Rook, and makes the most of it in an instructive fashion.

1. R-Kt4 P-Kt3

White provokes this move in order to produce a weakness at KB6.