Today’s game cause quite a stir at the Sinquefield Cup going on in St. Louis right now. Do you feel like a super grandmaster right now? Hikaru Nakamura as Black mated Wesley So on move 39. The position is after move 31 by White.

Solution:

So,Wesley (2779) - Nakamura,Hikaru (2814) [E99] 3rd Sinquefield Cup 2015 Saint Louis USA (6.4), 29.08.2015 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 0–0 6.Be2 e5 7.0–0 Nc6 8.d5 Ne7 9.Ne1 Nd7 10.f3 f5 11.Be3 f4 12.Bf2 g5 13.Nd3 Ng6 14.c5 Nf6 15.Rc1 Rf7 16.Kh1 h5 17.cxd6 [17.Qc2 g4 18.Rg1 h4 19.Be1 g3 20.h3]cxd6 18.Nb5 a6 19.Na3 b5 20.Rc6 g4 21.Qc2 Qf8 [21...Bb7] 22.Rc1 Bd7 23.Rc7 [23.Rb6]Bh6 24.Be1 h4 25.fxg4 f3 26.gxf3 Nxe4 27.Rd1 Rxf3 28.Rxd7 Rf1+ 29.Kg2 Be3 [29...h3+ 30.Kxh3 Rf2]30.Bg3 hxg3 31.Rxf1 See Diagram 31... Nh4+ 32.Kh3 Qh6 33.g5 Nxg5+ 34.Kg4 Nhf3 35.Nf2 Qh4+ 36.Kf5 Rf8+ 37.Kg6 Rf6+ 38.Kxf6 Ne4+ 39.Kg6 Qg5#

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