[Event "Modern book"]
[Round "3"]
[White "MCGP2024"]
[Black "Maia1900 6ply"]
[Result "0-1"]
[ECO "C63"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 $6 ( {Theory prefers} 3...a6 $1 ) ( {Or} 3...Nf6 $1 ) 4.d3 fxe4 5.dxe4 Nf6 6.O-O Bc5 7.Qd3 {Out of book} d6 8.Be3 $146 ( {Theoretical move is} 8.Qc4 $1 ) 8...Bxe3 9.Qxe3 O-O 10.Nbd2 Nh5 11.Qc3 Nf4 12.Qb3+ Kh8 13.Kh1 Qe8 14.Bc4 $6 {Deep HIARCS 15.3: -0.94/23} ( 14.g3 {Deep HIARCS 15.3: -0.39/22} 14...Ne6 15.Qe3 a6 16.Bc4 b5 17.Bd5 Bd7 18.Ne1 Qh5 19.Bxe6 Bxe6 20.f4 exf4 21.gxf4 Rae8 22.Rg1 Qh6 23.Qc3 Bd7 24.Nd3 Qf6 25.Qxf6 gxf6 26.f5 Rg8 27.Rxg8+ Rxg8 ) 14...Qh5 $1 15.Rg1 $6 {Deep HIARCS 15.3: -1.41/24} ( 15.Qe3 {Deep HIARCS 15.3: -0.85/21} 15...Bg4 16.g3 Nd5 17.exd5 Rxf3 18.Nxf3 Bxf3+ 19.Kg1 Nd4 20.Rfc1 b5 21.Bf1 Bxd5 22.Bg2 Ne2+ 23.Kh1 Nxc1 24.Rxc1 Qf7 25.Qd3 Bxg2+ 26.Kxg2 Rf8 27.Rf1 b4 28.a3 bxa3 29.bxa3 Qd7 30.Qe4 Qb5 31.c4 Qa5 32.Qd3 ) 15...g5 $1 16.c3 $2 {Deep HIARCS 15.3: -3.87/21} ( 16.Rgf1 {Deep HIARCS 15.3: -1.39/23} 16...g4 17.Ng1 Nd4 18.Qg3 Nxc2 19.Rac1 Nd4 20.Nb3 b5 21.Bd5 c6 22.Nxd4 cxd5 23.Nge2 dxe4 24.Nxf4 exf4 25.Qc3 Qe5 26.Nxb5 Ba6 27.Qxe5+ dxe5 28.a4 Rad8 29.Kg1 Bxb5 30.axb5 Rd2 31.Rc5 Re8 32.b4 Rb2 33.Ra1 e3 34.fxe3 fxe3 35.Re1 e2 36.Kf2 ) 16...g4 17.Ne1 Na5 $1 18.Qb5 $2 {Deep HIARCS 15.3: -5.97/23} ( 18.Qd1 {Deep HIARCS 15.3: -3.51/25} 18...Nxc4 19.Nxc4 Rf6 20.Nd2 Bd7 21.Nf1 Bb5 22.Ng3 Qh4 23.Nf5 Qxf2 24.Qxg4 Rg8 25.Qh4 Qxh4 26.Nxh4 Ne2 27.Nf5 Nxg1 28.Kxg1 Rg4 29.Nf3 Rxe4 30.Ng3 Rg4 31.b3 Bc6 32.Nd2 Rgf4 33.Re1 Rf8 34.Re2 a5 35.Nh5 R4f7 36.Ng3 Kg7 37.h4 ) 18...Nxc4 19.Qxc4 Be6 20.Qxc7 Ne2 $6 {Deep HIARCS 15.3: -3.92/22} ( 20...Rf7 {Deep HIARCS 15.3: -5.50/22} 21.Qxd6 Rd7 22.Qc5 Rxd2 23.Qe3 Rad8 24.c4 Rxb2 25.Qxa7 Rdd2 26.Rf1 Rxf2 27.Rxf2 g3 28.Nf3 Rxf2 29.Qb8+ Kg7 30.Qxe5+ Qxe5 31.Nxe5 Rxg2 32.hxg3 Rxg3 33.Rf1 Rg5 34.Rxf4 Rxe5 35.Rf2 Rxe4 36.Rg2+ Kh6 37.Rh2+ Kg6 ) 21.Rf1 $4 {Deep HIARCS 15.3: -24.87/26} ( 21.Nf1 {Deep HIARCS 15.3: -3.92/22} 21...Rxf2 22.Qxd6 g3 23.Nf3 gxh2 24.N3xh2 Nxg1 25.Ng3 Qg5 26.Rxg1 Qxg3 27.Qxe6 Rg8 28.b3 Qf4 29.Qf5 Qxf5 30.exf5 Rxf5 31.g4 Rf2 32.Re1 Rxa2 33.Rxe5 Ra3 34.Re3 Rxb3 35.Kg2 Kg7 36.Re7+ Kg6 ) 21...Rf6 22.h3 gxh3 23.g3 Raf8 24.Rg1 Nxg1 25.Qxd6 Qe2 $1 26.f4 {White loses 0.59 pawn per move (1 blunder, 2 mistakes, 2 inaccuracies), Black loses 0.05 pawn per move (1 inaccuracy).} 0-1