Lasker vs. Tarrasch, 1914
In this 1914 game between بطولة العالم للشطرنج إيمانويل لاسكر and زيغبرت تاراش, Black exchanged down into this position because he thought it was a win, but White used the maneuver above to draw the game.
- 40. h4 Kg4
- 41. Kg6! Threatening 42. h5 (Giddins 2007:8). Black had only considered the line: 41. Kf6? c4 42. bxc4 bxc4 43. Ke5 c3 44. bxc3 a4 45. Kd4 a3, winning (Kasparov 2003:209).
- 41... Kxh4 This move is مسرد الشطرنج and the white king gains a tempo to return on a different diagonal which is not obstructed by his pawns (Giddins 2007:8).
- 42. Kf5 Kg3
- 43. Ke4 Kf2
- 44. Kd5 Ke3
- 45. Kxc5 Kd3
- 46. Kxb5 Kc2
- 47. Kxa5 Kxb3 ½-½
The theme of this endgame was used later by Réti in the study (Kasparov 2003:210).
المصدر: wikipedia.org