1.e4e52.Ng3f63.f3c64.d4Bc45.Nce2Ng66.b3Bxe2+7.Nxe2Qf78.c4O-O9.d5cxd510.cxd5Bd611.Be3Nf412.Qf2Ne713.O-ORfc814.Kh1a615.g3Nxe216.Qxe2Bc517.Bd3d618.Bd2Bd419.Rad1Qh520.Qg2Kh821.f4h6?!This is one of those games where it is hard to criticize any of Black's decisions, yet suddenly White's position goes from "promising" to "crushing," so maybe this is unnecessary. Instead, maybe21...b522.g4Qe823.f5Ng824.Qh3a5offers vague counterplay on the queenside?22.g4Qg623.Qh3Qh724.f5Bc325.Be3Bd426.Bxd4exd427.Qg3Rd828.Rc1Rd729.h4Rc830.Rxc8+Nxc831.Rc1Ne7?31...Qg8!32.Rc2Qd833.Qf2Rc7=was Black's last hope to consolidate.32.Rc2Qg833.Qf2Qb834.g5...Before Black can play ... Rd7-e7!34....Ng835.g6Rc736.Rc4Rxc437.bxc4Qa738.Qb2...White has achieved lasting pressure, although the game has entered a time scramble in the lead-up to move 40.38....Qc5This is probably better than passively defending the b-pawn with 38. ... b6.39.Qxb7Qa540.Qb2Qe1+41.Kg2Qxh442.Qxd4...The players each earned their bonus time, but now the position is more obviously promising for White.42....Qg5+43.Kf3Qh5+44.Kf2Qh2+45.Ke1Qxa246.Qb6Qa3?!46...Qh2!was more resilient. This prevents 47. Kd2, or any king move that blunts perpetual check attempts, such that47.c5is less immediately fatal:Qg1+48.Kd2Qf2+49.Kc3Qe1+50.Kb3Qe3, for instance, keeps White from an instant win.51.Kc3dxc552.Qxa6Qd4+53.Kb3h554.Qc4±47.Kd2!...White threatens c4-c5, winning.47.c5?Qxd348.cxd6Qxe4+∓47....Qa2+48.Bc2Qxc448...Qa349.c5!was the idea.49.Qxd6Qd4+50.Ke2h551.Qa3Qg152.d6Qg2+53.Kd1Qf1+54.Kd2Qf2+55.Kc1h456.Qd3Qg1+57.Kb2Qb6+58.Bb3Qf2+59.Kb1Qe1+60.Kc2Qf2+61.Qd2Qc5+62.Kb21-0