In spite of the preponderance of material, the win is not an easy one for Black, because of White’s alarming pawn array on the Queen’s side.  The King must first make use of his great power as an end-game piece.

1. ...  K-B2 2.  P-Kt5 K-K3 3.  P-Kt6 PxP 4.  PxP K-Q2 5.  B-K5

threatens P-Kt7.  But as White must first move his Bishop to cover his pawn, the Rook’s pawn is lost, and the manoeuvre 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).

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

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.

2.  K-K2           K-K3
3.  R-KB4          R-KB1

Black naturally dare not allow the Rook to penetrate into the seventh.

          4.  P-Q4 P-QB4

This move would win the game, if the Rooks had been exchanged, because in that case the distant passed pawn which Black could obtain on the QKt file would decide the issue.  But, supported by the mobile Rook, the centre pawns become irresistible.  Instead of the text move, P-KB4 was necessary in order to release the Rook.

5.  P-B3           PxP
6.  PxP            P-KB4

If it were not for the Rooks, the centre pawns would not help White, because Black would obtain a passed pawn on either wing.