9.Qe2=9...e5N7:039...Qg3+looks sharper.10.Ke2c511.Rh3Qd6Predecessor:9...Qg3+10.Ke2Nd711.Be3Qd612.Bh3Re813.f4e614.Nf3Ne715.Nbd2Nf516.Bxf5Bxf51-0 Shakhnazarov,O (2160)-Curto,W (1900) San Francisco TNM Spring op 2011 (4)10.Ne26:20Ne74:20 Strongly threatening ...Nf5.10...Nd7!?11.Bh310:1411.dxe5!=remains equal.Qxe512.Nbc311...Bf510:0812.Bxf516:46Nxf5713.dxe52:23Qxe51714.Bf44:56Qe63:2815.Qd29:58 Repels Bb4g65:22Black should play15...Bc516.Nbc3Na616.Nbc320Bg712:4017.0-0-015d41:36
17...Nd7=18.Ne44118.Rhe1!± Hoping for Nxd4!dxc319.Nxc318...Qxa2=3519.Qb412b66:0620.Nxd4!7:2820.Nd6+?Nxd621.Qxd6Na620...Na611:52But not20...Bxd421.Rxd4c522.Nxc5±21.Qb3+3:14Don't go for21.Qa3?Qxa322.bxa3Nxd4-+21...Qxb3622.Nxb35Rad851 Prevents Rd7+23.c326c52:5324.Kc21:2724.Nbd2simplifiesNb825.Ng3Nxg326.Bxg3Nc627.Nc424...Nb82:4724...Rxd1simplifies25.Rxd1Ke626.Ra1Nb825.Nbd21:37Nc63926.Nc42:11 Inhibits Be5.Rxd12527.Rxd11727.Kxd1simplifiesRd8+28.Ke2Bf829.Bc727...Rd818 And now ...Rxd1 would win.28.Ned6+2:58Nxd64629.Nxd6+1:32Ke62:03 ...Be5 is the strong threat.30.Re1+1:53Kd7!531.Rd17:54Ke618 White must now prevent ...Be5.32.Re1+5Kd7!433.Nc42:18Rf82:3634.Re41334.Rd1+!?Nd4+35.cxd4Rxf436.dxc5+Kc637.b3=34...b51:1635.Ne31:33Nd81:4536.Nd51:06Ne659 aiming for ...Rf5.37.b328Rf53:4538.c41:21b44639.Kd311