Author: Marcus Prewarski
Date: 09:36:06 12/11/03
Go up one level in this thread
On December 11, 2003 at 10:53:52, Tord Romstad wrote: > > >The last time I heard any news about this line, even 5. d4 was not considered >clear. In modern opening theory, the move 4... Nxd5!? is regarded as >extremely risky and perhaps a bit dubious, but it remains playable and >unrefuted (unless a refutation has been found during the last few years). > >Below is Gothmog's analysis of the position after 4. exd5, followed by >its analysis after 4... Nxd5 (it likes 5. Nxf7, of course): > > 1 0.95 0.00 40 Nxd5 > 2 0.39 0.01 1199 Nxd5 Qf3 > 3 0.30 0.02 2702 Nxd5 Qf3 Qxg5 Bxd5 > 4 0.22 0.15 13847 Nxd5 Nc3 Qxg5 Bxd5 > 5 0.02 0.52 63356 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 > 6 >= 0.02 0.55 66189 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 > 6 >= 0.03 0.56 66359 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 > 6 <= 0.08 0.97 126720 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 > 6 <= 0.06 0.99 128982 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 > 6 <= 0.03 1.02 135318 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 > 6 0.03 1.03 135318 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 > 7 <= 0.02 2.22 325085 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 O-O > 7 <= 0.00 2.33 344119 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 O-O > 7 <= -0.03 2.53 378890 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 O-O > 7 >= -0.09 2.94 449876 b5 Bxb5 Qxd5 Bxc6+ Qxc6 Qf3 Qxf3 Nxf3 > 7 >= -0.08 2.95 451692 b5 Bxb5 Qxd5 Bxc6+ Qxc6 Qf3 Qxf3 Nxf3 > 7 >= -0.03 2.99 457054 b5 Bxb5 Qxd5 Bxc6+ Qxc6 Qf3 Qxf3 Nxf3 > 7 -0.03 3.00 457054 b5 Bxb5 Qxd5 Bxc6+ Qxc6 Qf3 Qxf3 Nxf3 > 8 <= -0.05 6.02 932899 b5 Bxb5 Qxd5 Qe2 Bd6 O-O e4 Nc3 > 8 <= -0.06 6.19 973458 b5 Bxb5 Qxd5 Qe2 Bd6 Qc4 Bd7 Nc3 > 8 <= -0.09 6.43 1027376 b5 Bxb5 Qxd5 Qe2 Bd6 Qc4 Bd7 Nc3 > 8 <= -0.17 8.00 1295873 b5 Bxb5 Qxd5 Qe2 Bd6 Qc4 Bd7 Nc3 > 8 <= -0.33 10.03 1647700 b5 dxc6 bxc4 Nc3 h6 Nf3 Bg4 d3 > 8 >= -0.58 10.25 1683385 b5 dxc6 bxc4 Nc3 h6 Nf3 Bg4 d3 > 8 >= -0.56 10.26 1683910 b5 dxc6 bxc4 Nc3 h6 Nf3 Bg4 d3 > 8 >= -0.50 10.29 1688706 b5 dxc6 bxc4 Nc3 h6 Nf3 Bg4 d3 > 8 >= -0.36 10.36 1700711 b5 dxc6 bxc4 Nc3 Ng4 d3 cxd3 Qxd3 Qd4 > Qxd4 exd4 > 8 <= -0.34 10.52 1736618 b5 dxc6 bxc4 Nc3 Ng4 d3 cxd3 Qxd3 Qd4 > Qxd4 exd4 > 8 <= -0.36 10.70 1778236 b5 dxc6 bxc4 Nc3 Ng4 d3 cxd3 Qxd3 Qd4 > Qxd4 exd4 > 8 -0.36 10.72 1778236 b5 dxc6 bxc4 Nc3 Ng4 d3 cxd3 Qxd3 Qd4 > Qxd4 exd4 > 9 >= -0.36 12.06 1998548 b5 dxc6 bxc4 Nc3 Ng4 d3 Be7 Nge4 Be6 > 9 >= -0.34 12.11 2008843 b5 dxc6 bxc4 Nc3 Ng4 d3 Be7 Nge4 Be6 > 9 >= -0.28 13.76 2256421 Nxd5 Qh5 g6 Qf3 Qxg5 Bxd5 Nd8 Nc3 Bb4 > 9 >= -0.14 14.58 2392552 Nxd5 Qh5 g6 Qf3 Qxg5 Bxd5 Nd8 Nc3 Bg4 > 9 <= 0.09 20.73 3227322 Nxd5 Qh5 g6 Qf3 Qxg5 Bxd5 Nd8 Nc3 Bg4 > 9 >= 0.09 24.16 3679698 Nxd5 Qh5 g6 Qf3 Qxg5 Bxd5 Nd8 Nc3 Bc5 > 9 0.09 24.19 3679698 Nxd5 Qh5 g6 Qf3 Qxg5 Bxd5 Nd8 Nc3 Bc5 >10 <= 0.08 43.96 6670228 Nxd5 Qh5 g6 Qf3 Qxg5 Bxd5 Nd8 Nc3 Bc5 d3 >10 <= 0.06 44.99 6902051 Nxd5 Qh5 g6 Qf3 Qxg5 Bxd5 Nd8 Nc3 Bc5 d3 >10 <= 0.03 47.68 7342380 Nxd5 Qh5 g6 Qf3 Qxg5 Bxd5 Nd8 Nc3 Bc5 d3 >10 <= -0.05 52.45 8205923 Nxd5 Qh5 g6 Qf3 Qxg5 Bxd5 Nd8 Nc3 Bc5 d3 >10 <= -0.20 1:03 10074831 Nxd5 Qh5 g6 Qf3 Qxg5 Bxd5 Nd8 Nc3 Bc5 d4 >10 >= -0.45 1:06 10572916 b5 Bf1 Bg4 f3 Nxd5 d4 exd4 fxg4 Bb4+ c3 > Qe7+ Qe2 >10 >= -0.44 1:06 10599854 b5 Bf1 Bg4 f3 Nxd5 d4 exd4 fxg4 Bb4+ c3 > Qe7+ Qe2 >10 >= -0.38 1:07 10817306 b5 Bf1 Nd4 c3 Nxd5 Nxf7 Kxf7 cxd4 exd4 >10 <= -0.25 1:13 11817127 b5 Bf1 Nd4 c3 Nxd5 Nxf7 Kxf7 cxd4 exd4 >10 <= -0.27 1:16 12362604 b5 Bf1 Nd4 c3 Nxd5 Nxf7 Kxf7 cxd4 exd4 >10 <= -0.30 1:20 13098388 b5 Bf1 Nd4 c3 Nxd5 Nxf7 Kxf7 cxd4 exd4 > Qf3+ >10 >= -0.36 1:20 13148790 b5 Bf1 Nd4 c3 Nxd5 Nxf7 Kxf7 cxd4 exd4 > Qf3+ >10 >= -0.34 1:20 13192732 b5 Bf1 Nd4 c3 Nxd5 Nxf7 Kxf7 cxd4 exd4 > Qf3+ >10 <= -0.31 1:23 13665198 b5 Bf1 Nd4 c3 Nxd5 Nxf7 Kxf7 cxd4 exd4 > Qf3+ >10 <= -0.33 1:24 13990552 b5 Bf1 Nd4 c3 Nxd5 Nxf7 Kxf7 cxd4 exd4 > Qf3+ >10 >= -0.33 1:24 14046539 b5 Bf1 Nd4 c3 Nxd5 Nxf7 Kxf7 cxd4 exd4 > Qf3+ >10 -0.33 1:24 14046539 b5 Bf1 Nd4 c3 Nxd5 Nxf7 Kxf7 cxd4 exd4 > Qf3+ >11 <= -0.34 2:43 26711061 b5 Bf1 Nd4 c3 Nxd5 h4 Bg4 Bxb5+ Nxb5 >11 >= -0.34 3:14 31581388 Na5 d3 c6 Qe2 Nxc4 dxc4 cxd5 Qxe5+ Qe7 > Qxe7+ Bxe7 >11 -0.34 3:14 31581388 Na5 d3 c6 Qe2 Nxc4 dxc4 cxd5 Qxe5+ Qe7 > Qxe7+ Bxe7 > This is cool that it found the critical move Na5. What is also interesting is that the move b5 is also a good move here and within theory. > > 1 -0.39 0.00 242 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 2 -0.30 0.01 1191 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 3 -0.22 0.03 2416 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 4 -0.02 0.05 3960 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 5 -0.03 0.10 10082 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 6 >= -0.02 0.12 12982 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 6 >= 0.02 0.13 13143 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 6 >= 0.09 0.14 13256 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 6 >= 0.23 0.15 13682 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 6 <= 0.47 0.22 23196 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 6 <= 0.45 0.24 24283 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 6 <= 0.42 0.25 25272 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 6 <= 0.34 0.27 27124 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 6 <= 0.23 0.28 28982 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 6 0.23 0.29 28982 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 >= 0.23 0.62 77703 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 >= 0.25 0.63 79461 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 >= 0.31 0.66 84385 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 >= 0.45 0.71 93675 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 <= 0.69 0.79 104759 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 <= 0.67 0.80 105499 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 <= 0.64 0.81 106475 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 <= 0.56 0.83 108195 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 >= 0.47 1.18 162798 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 >= 0.48 1.21 165886 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 <= 0.53 1.22 167031 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 <= 0.52 1.23 167688 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 <= 0.48 1.25 169019 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 7 0.48 1.26 169019 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 <= 0.47 1.61 227206 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 <= 0.45 1.63 230352 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 <= 0.42 1.66 235695 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 <= 0.34 1.73 248190 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 <= 0.19 1.99 294584 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 <= -0.08 3.44 530530 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 >= -0.45 3.52 543708 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 >= -0.42 3.54 544428 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 >= -0.34 3.55 545377 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 >= -0.20 3.57 548181 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 <= -0.09 3.62 556928 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 >= -0.09 4.03 622343 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 8 -0.09 4.04 622343 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 9 >= -0.09 4.22 648674 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 9 >= -0.08 4.23 649748 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 9 >= -0.02 4.25 654195 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 9 >= 0.12 4.32 665947 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 9 >= 0.38 4.40 680410 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > 9 <= 0.75 5.26 823600 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 > 9 <= 0.73 5.38 843802 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 > 9 <= 0.70 5.45 856882 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 > 9 >= 0.64 5.55 873148 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 > 9 >= 0.66 5.58 876052 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 > 9 >= 0.70 5.62 883373 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 > 9 0.70 5.64 883373 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 <= 0.69 9.72 1551800 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 <= 0.67 9.94 1594996 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 <= 0.64 10.14 1640389 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 <= 0.56 10.73 1754070 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 >= 0.42 11.31 1845949 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 >= 0.44 11.35 1852451 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 >= 0.50 11.51 1879166 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 <= 0.55 11.65 1911269 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 <= 0.53 11.77 1940448 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 >= 0.52 11.81 1944795 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 <= 0.52 12.16 2012184 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >10 0.52 12.18 2012184 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >11 >= 0.52 14.23 2359778 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >11 >= 0.53 14.44 2398181 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Qd6 c3 >11 <= 0.58 21.01 3489480 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Bb4+ c3 Rf8 Qg4+ Kf7 Qh5+ >11 <= 0.56 24.19 4030245 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Bb4+ c3 Rf8 Qg4+ Kf7 Qh5+ >11 >= 0.55 24.41 4071158 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Bb4+ c3 Rf8 Qg4+ Kf7 Qh5+ >11 >= 0.56 24.66 4121709 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Bb4+ c3 Rf8 Qg4+ Kf7 Qh5+ >11 0.56 24.68 4121709 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Bb4+ c3 Rf8 Qg4+ Kf7 Qh5+ >12 >= 0.56 30.92 5166471 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Bb4+ c3 Rf8 Qg4+ Kf7 Qh5+ >12 <= 0.56 1:14 11936354 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Bb4+ >12 0.56 1:14 11936354 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Bb4+ >13 >= 0.56 1:30 14227320 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Bb4+ c3 >13 >= 0.58 1:35 15039975 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Bb4+ c3 >13 >= 0.64 1:42 16336907 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > Bb4+ c3 >13 <= 0.77 3:15 29668595 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > c6 dxe5 Qc7 Bf4 >13 <= 0.75 3:37 33493992 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > c6 dxe5 Qc7 Bf4 >13 <= 0.72 4:17 40356539 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > c6 dxe5 Qc7 Bf4 >13 >= 0.66 4:23 41344601 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > c6 dxe5 Qc7 Bf4 >13 >= 0.67 4:25 41765351 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > c6 dxe5 Qc7 Bf4 >13 <= 0.70 4:52 46384415 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > c6 dxe5 Qc7 Bf4 >13 <= 0.69 5:12 50006493 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > c6 dxe5 Qc7 Bf4 >13 >= 0.69 5:19 51206125 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > c6 dxe5 Qc7 Bf4 >13 0.69 5:19 51206125 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Nxd5 Nxd5 d4 > c6 dxe5 Qc7 Bf4 > >Tord I typically play this move in my games. And I prefer the name "Fried Liver Attack" for it, just sounds more funny to me. I haven't seen it mentioned anywhere else in the thread but I think current theory is that the move d4 is considered superior. Pehaps check out the analysis after that move. -Marcus
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