1.d4Nf62.c4e63.Nf3d54.Nc3c55.cxd5Nxd56.e4Nxc37.bxc3cxd48.cxd4Bb4+9.Bd2Bxd2+10.Qxd2O-O11.Bc4Nd712.O-Ob613.Rad1Bb714.Rfe1Rc815.Bb3Qf616.Re3Rfd817.Qe2h618.h3Qe719.a3Rc720.d5!...Every move from each player had been preparing (or preparing for, in
Matviishen's case) this inevitable thrust.20....Nc521.Ba2Ba622.Qd2exd5?!22...Qe8!?could preserve the tension a bit longer.23.Qd4Bb724.Rde1Qf8±23.exd5Qf624.Ne5Re725.Nc6Rxe326.Qxe3...The position has
clarified, and White is clearly better thanks to the passed d-pawn.26....Rd6??26...Ra8looks passive, but after27.d6Bb5!28.Ne5Rf8±Black is
ready to blockade, and did not even have to part with the a-pawn to do so.27.Qe8+Kh728.Ne7h529.Bb1+...29.Qg8+Kh630.Qh8+Kg5Surely, White
analyzed up to here, and likely did not find anything immediate. But31.f4+!wins afterKh4(31...Qxf432.Qxg7+Rg633.Nxg6+−)(31...Kxf432.Qxh5+−Nd333.Qf3+Kg534.Qg4+Kh635.Ng8+)32.Qxg7!!Bc8(32...Qxg7??33.Nf5#)33.Qxf6+Rxf634.Nxc8+−29....g630.Re1Rd731.d6Bb531...Bd3!32.Bxd3Nxd333.Re2Nf434.Rd2Rxd635.Qg8+Kh6almost holds, but
White still wins if he can find36.Nf5+!Qxf5(36...gxf5?37.Qf8++−)37.Qf8+!(37.Rxd6?Ne2+38.Kf1Ng3+)Kh738.Qxd6+−32.a4Bxa433.Re5!Bd134.Rf5!Rxe735.Qxe71-0 White wins.1-0