1e4e52Nf3Nc63d4exd44Bc4Bb4+!?Not a very common move amongst GMs, but the computer likes it, and Black keeps the pawn5c3dxc36O-O!...When you sacrifice for development, you should be ready to sacrifice even more, and Wally does just that6...Nf67e5d5!This is a common way to combat the e5-push, and here it's the only way for Black to stay in the game8exf6dxc49Qxd8+Nxd810fxg7Rg8After all of the exchanges, we have reached an endgame where Black is at least fine and possibly better.11Re1+Be611...Ne6was even stronger to secure the winning of the pawn on g712Nxc3Nc612...Rxg7Noah should take this when he has the chance. Next move, it might be defended.13Bh6...Now the pawn becomes a pain to deal with13...O-O-O14a3Be714...Bxc315.bxc3Rd6was also interesting with the idea of trying to win the g-pawn15Ne4Bd516Neg5?...This move looks strong with the idea of winning the h7 pawn, but this pawn isn't contributing to the immediate position, and now White's bishop is more or less trapped16...Bxf316...Rd6!?17.Rad1!would save White for the time beingBxf318.Rxd6Bxg519.Rxc6Bxc620.Bxg5Rxg7and Black is up a pawn17Nxf3Bf6!winning the pawn18Rac1Bxb219Rxc4Bxg7Now Black will be up a pawn in the endgame, and his 3-1 majority on the kingside gives him excellent winning chances20Bf4Rge820...Rd3!would have poked at the weaknesses and been winning21Rec1...21.Rxe8Rxe8was the best chance. One rook endgames are usually much easier to draw than two rook endgames for the defending side21...Bb222Rb1Bxa3Now, up two pawns and with 3 connected passers it seems Black has secured the win23h3Bd624Be3a625Ra4Ne526Nd2Re7??Simply forgetting to check the opponent's resources. The crazy thing is that Black is still better even after this27Bg5Nc6?Too passive, and likely a result of realizing the blunder. Now that Black is going to be down an exchange, he has to make sure his minor pieces are as strong as they can be28Bxe7?...This is a very common mistake. Wally grabs the exchange, but he could've waited and forced Black to lose a tempo before taking.28.Ne4Ree829.Bxd8and now we take28...Bxe729Nf3Bf630Rf4Rd631Re4Nd4?Now this is a bad time to force a trade. Less pieces on the board favors the rooks, because they can poke and prod at the black pawns much more easily31...b5!Passed pawns should be pushed. Now that we are in an endgame there are no concerns for Black's king safety32Nxd4Bxd433Re8+Kd734Rf8...Now without the knight to anchor the position, everything falls apart34...Ke735Rc8Kd736Rf8Ke737Ra8!?...I don't know whether to call this a brilliant move because of the fighting spirit, or call it a mistake because it does lose the game, so I'll call it both.37...b5Now the 3 connected passers should decide the game38Re1+Kd739Rc1f6?!The kingside shouldn't be moving here. Play on the side where you're stronger39...c5!40Rh8b4??Now there was no way to defend the h-pawn, but there definitely was a way to defend c7. This is a case of panic. Noah realized he made a mistake, but he forgot he was winning anyway41Rxh7+Ke642Rhxc7b343Rb1b244Rc4...Now it's still a draw because of the advanced passer44...Be545f4Bd4+46Kh2...46.Rxd4Rxd447.Rxb2Rxf448.Rb6+Kf749.Rxa6is a well-known draw46...Ba7??Forgetting that the bishop needs to defend the pawn at all times46...f5was holding a draw47Rxb2f548Re2+Kd749Ra4Bb650Re5...and the rest is a matter of technique50...Rf651Kg3...51.Rxa6Bg1+52.Kxg1Rxa653.Rxf5was also winning51...Kd652Kh4Kd753Kg5Rd654Rxf5a555Rfxa5Bxa556Rxa5Ke757g4Kf758Rf5+Kg759Re5Rd360h4Rd461h5Kh762Re7+Kg863f5Kf864Re5Kf765f6Rf466Kxf4Kxf667Rf5+Ke668Kg5Ke769h6Ke670h7Ke771h8=QKd772Qf6Kc773Re5Kc874Re7Kb875Qf8#...1-0 White wins by checkmate.