1.e4e52.Nf3Nc63.Bc4Bc54.c3Nf65.d3d66.O-Oa67.Bg5Ba78.a4h69.Bh4g510.Bg3Ne711.d4Nxe412.dxe5?...In a known position, Arjun errs.12.Nbd2is White's best bet, although afterNxg313.fxg3!Black is surely for choice even if White might be having some fun on the f-file.Bf514.Ne4!=was found in Cvak – Miettinen, ICCF, 2018.Bg6(14...Bxe4?15.Bxf7+Kd7(15...Kxf7??16.Nxg5+±)16.Nxe5+dxe517.Qg4+Bf518.Rxf5Nxf519.Qxf5+Kc620.a5)15.h4O-O16.Nf6+Kh817.hxg5Ng818.Nxg8Rxg819.Qd2=12....d513.Bd3Bf514.Nd4Qd715.Kh1h5Black's kingside attack will be decisive. It's a matter of "when," not "if."16.h4O-O-O17.Qe2Bg418.Qe1Nf519.Bxe4dxe420.Qxe4Bxd421.cxd4gxh422.e6Nxg3+23.fxg3Bxe624.gxh4Rhg825.Nc3Qxd426.Rf4Qd227.Qf3Rxg228.Ne4Rh2+29.Kg1Rg8+30.Ng5Bd531.Rd1...Black to play and mate in two!31....Rh1+0-1 Black wins.0-1