Author: Jorge Pichard
Date: 00:15:53 05/13/03
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On May 12, 2003 at 15:09:08, Jorge Pichard wrote: >In the Second game Kasparov was very upset at the board soon after playing >(diagram) 25...Qa1+. He realized a few moves later that White could force him to >take a perpetual check draw with a surprising queen sacrifice. In the press >conference he said that he thought he had a forced win with the queen check, but >that in hindsight 25...f4 would have been stronger. > > >Junior co-programmer Amir Ban quotes someone from Kasparov's team as saying >afterwards that 25...f4 26.h3! was also a draw. We can't be sure yet what Junior >would have played. My DJ 7 wants to play 26.Nf1, which would allow black a very >strong attack after 26...e3. > > > >Fritz 8 and Chess Tiger 15 both changed from 26.h3! to h4?! is 26.h4?! a better >move here? > > [D]2b2rk1/Rp5p/3p1qpQ/2nP4/2P1pp2/8/P1RN1PPP/6K1 w - - 0 1 Analysis by Fritz 8: 1.h3 Bf5 2.Nb3 = (0.06) Depth: 7/18 00:00:00 84kN = (0.06) Depth: 7/24 00:00:00 126kN 1.a4 e3 2.Nf1 Nd3 3.Ra2 Qd4 4.Ra5 Qxc4 5.Re2 = (0.09) Depth: 7/24 00:00:00 147kN ³ (-0.44) Depth: 8/25 00:00:00 352kN 1.Ra8! ³ (-0.41) Depth: 8/25 00:00:00 368kN = (0.06) Depth: 8/25 00:00:00 394kN 1.h3 Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxe3 Qxf1+ 5.Kh2 Qf6 6.Re2 Qh4 7.Qc3 Qf4+ = (0.09) Depth: 8/29 00:00:01 492kN µ (-1.00) Depth: 9/49 00:00:02 1027kN 1.Ra3 e3 2.Nf1 Bf5 3.Rc1 Qb2 µ (-0.97) Depth: 9/49 00:00:02 1229kN µ (-0.94) Depth: 9/49 00:00:02 1295kN 1.h4! µ (-0.91) Depth: 9/49 00:00:03 1565kN ³ (-0.44) Depth: 9/49 00:00:04 1734kN 1.Ra8 e3 2.Nf1 Qf5 3.Rxc8 Rxc8 4.Rb2 Qf6 5.Re2 Nd3 6.fxe3 ³ (-0.41) Depth: 9/49 00:00:04 2086kN ³ (-0.28) Depth: 10/36 00:00:06 3035kN 1.Nf1 e3 2.Nxe3 Bf5 3.Rc1 Qb2 4.Rd1 fxe3 5.Qxe3 Bd3 6.f3 Bxc4 7.Qd4 = (-0.25) Depth: 10/36 00:00:07 3308kN µ (-0.72) Depth: 14/43 00:01:43 54759kN (Pichard, MyTown 13.05.2003) Analysis by Chess Tiger 15.0: 1.h3 Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxf8+ Kxf8 5.Ra8 Qd4 6.Rxc8+ Kf7 7.Ng3 ± (0.88) Depth: 8 00:00:00 112kN µ (-0.78) Depth: 9 00:00:02 717kN 1.h4 Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxf8+ Kxf8 5.Ra8 Qd1 6.Rxc8+ Kf7 7.Rc7+ Kg8 8.Rb2 = (-0.04) Depth: 9 00:00:03 768kN µ (-0.72) Depth: 10 00:00:04 1169kN 1.h3 Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxf8+ Kxf8 5.Ra8 Qe1 6.Rxc8+ Kf7 7.Rc7+ Kg8 8.Rb2 ³ (-0.56) Depth: 10 00:00:05 1308kN 1.Nf1 e3 2.Ra8 Nd3 3.Rxc8 Rxc8 4.fxe3 f3 5.gxf3 Qxf3 6.Rd2 Qe4 7.Ng3 ³ (-0.52) Depth: 10 00:00:08 2075kN µ (-0.74) Depth: 11 00:00:11 3025kN 1.Ra8 e3 2.fxe3 fxe3 3.Qxe3 Qa1+ 4.Nb1 Qxb1+ 5.Rc1 Qd3 6.Qe7 Qd4+ 7.Kh1 Nd3 8.Rb1 ³ (-0.66) Depth: 11 00:00:13 3597kN ³ (-0.66) Depth: 11 00:00:13 3597kN (Pichard, MyTown 13.05.2003)
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