Step by Step: Test #28
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. Also, be sure to subscribe to our Daily Chess Puzzle email.
How should White follow-up on 37.Rc7 Qb4 38.Ngf6 Rh6.
Gritsak,O (2549) – Iwanow,A (2195)
14th Euro Indiv 2013 Legnica POL (1.114), 05.05.2013
Fianchetto Grüfeld [D77]
1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d5 5.0-0 0-0 6.d4 dxc4 7.Na3 Na6 8.Nxc4 c5 9.b3 Bf5 10.Bb2 Be4 11.Rc1 Rc8 12.dxc5 Nxc5 13.Bh3 e6 14.Nd6 Rc7 15.Rxc5 Rxc5 16.Bxf6 Bxf6 17.Nxe4 Rd5 18.Qc2 Bg7 19.Rc1 Qa5 20.a4 Rfd8 21.Bf1 a6 22.e3 b5 23.axb5 axb5 24.g4 h6 25.h4 Qa3 26.g5 hxg5 27.hxg5 Qe7 28.Nh2 f5 29.gxf6 Bxf6 30.Qc6 Be5 31.Ng4 Bb2 32.Rc2 Bg7 33.Bh3 Rh5 34.Kg2 Kh8 35.Qc7 Qh4 36.Qg3 Qe7 37.Rc7 Qb4 38.Ngf6 Rh6
39.Rxg7! 1-0 Black resigned because he is mated after 39…Kxg7 (39…Qxe4+ only prolongs the inevitable.) 40.Qc7+ Kf8 (40…Kh8 41.Qxd8+ Kg7 42.Qg8#; 40…Rd7 41.Qxd7+ Qe7 42.Qxe7+ Kh8 43.Qf8#) 41.Qxd8+ Kf7 42.Qe8+ Kg7 43.Qg8#. White could also win with 39.Qg5, threatening 40.Qxh6+ Bxh6 41.Rh7#.
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