Step by Step: Test #22
By Mark Donlan
Step by Step: Test is designed to test and improve your chess skills. For best results, set the position up on the board and think for as long as you need without moving the pieces.
What move by White caused Black’s immediate resignation?
Jobava,Baadur (2711) – Mamedyarov,Shakhriyar (2764)
SportAccord Rapid Men 2012 Beijing CHN (2), 14.12.2012
Nimzowitsch-Larsen Opening [A01]
1.b3 Nf6 2.Bb2 g6 3.Bxf6 exf6 4.c4 Bg7 5.Nc3 f5 6.Rc1 0-0 7.g3 Re8 8.Bg2 f4 9.gxf4 Qh4 10.Kf1 Bxc3 11.Rxc3 Qxf4 12.h4 d6 13.h5 Nc6 14.Nh3 Qd4 15.e3 Qf6 16.Nf4 Ne7 17.Qf3 Qg5 18.Bh3 c6 19.hxg6 hxg6 20.Bxc8 Raxc8 21.Nh5 f5 22.Rd3 Kf7 23.Nf4 Rcd8 24.Rh7+ Kf6
White now played 25.Qd1! 1-0 and Black resigned.
After 25.Qd1! White threatens 26.Qa1 and there is no good answer. For instance, 25…Ng8 26.Qa1+ Re5 27.Qd4 (27.Nh3 and f4 next.) 27…Qg4 28.Qxd6+ Rxd6 29.Rxd6+ Kg5 30.Rxg6#.
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