Author: Uri Blass
Date: 03:16:21 08/20/01
Go up one level in this thread
On August 20, 2001 at 03:33:18, Jeroen Noomen wrote: >On August 19, 2001 at 15:28:01, Peter Kappler wrote: > >Hi, > >Some comments on this game, in which I was operator for Gandalf: > >1. After 40 moves Black was clearly winning. Ferret didn't seem > to find a suitable plan during the game and both programs > showed over +3 for Black. >2. 42 ... Qa1? complicates matters, where 42 ... Qd4! (also > expected by Ferret) wins very easily after the exchange of > queens. Deep Fritz also likes Qa1 Ferret - Gandalf rr4k1/5p2/3p2p1/3Pq2p/pnP1P2P/Bn2NR2/5PP1/1B1Q2K1 b - - 0 1 Analysis by Deep Fritz: 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 µ (-1.38) Depth: 5/18 00:00:00 13kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 Rxb1 µ (-1.38) Depth: 6/18 00:00:00 26kN 42...Qd4 43.Qe1 Nd2 44.Rg3 Nxd5 45.Nxd5 Rxb1 µ (-1.38) Depth: 7/20 00:00:00 71kN 42...Qd4 43.Qxd4 Nxd4 44.Rf6 Ra6 45.Kh2 Kg7 46.e5 dxe5 47.Rxa6 -+ (-1.44) Depth: 8/23 00:00:00 192kN 42...Qd4 43.Qxd4 Nxd4 44.Rf6 Ra6 45.e5 dxe5 46.Rxa6 Nxa6 47.Be4 f5 µ (-1.22) Depth: 9/25 00:00:00 502kN 42...Qd4 43.Qxd4 Nxd4 44.Rf6 Ra6 45.e5 dxe5 46.Rxa6 Nxa6 47.Be4 f5 48.Bd3 µ (-1.38) Depth: 10/26 00:00:02 1656kN 42...Qd4 43.Qxd4 Nxd4 44.Rf6 Ne2+ 45.Kh2 Nc3 46.Bxb4 Rxb4 47.Bd3 a3 48.Rxd6 µ (-1.34) Depth: 11/29 00:00:07 4430kN 42...Nc5! µ (-1.38) Depth: 11/31 00:00:10 6714kN 42...Nc5 43.Nc2 Nba6 44.Re3 Rb7 45.Ba2 Re7 46.Qe1 Ree8 µ (-1.19) Depth: 12/31 00:00:26 17079kN 42...Qd4! µ (-1.22) Depth: 12/31 00:00:28 18708kN 42...Qd4! 43.Qxd4 Nxd4 44.Rf6 Ne2+ 45.Kh2 Nc3 46.Bxb4 Rxb4 47.Bd3 a3 48.Rxd6 -+ (-1.44) Depth: 12/32 00:00:30 20308kN 42...Qd4 43.Qxd4 Nxd4 44.Rf6 Ne2+ 45.Kh2 Nc3 46.Bxb4 Rxb4 47.Bd3 a3 48.Rxd6 µ (-1.31) Depth: 13/33 00:00:53 35714kN 42...Qd4! -+ (-1.63) Depth: 14/34 00:03:03 124420kN 42...Qd4! -+ (-1.94) Depth: 15/37 00:06:11 254848kN 42...Qa1! -+ (-1.97) Depth: 15/39 00:08:43 362271kN 42...Qa1! 43.Bxb4 Nd4 44.Qe1 Qb2 45.Bxd6 Qxb1 46.Nd1 Nxf3+ 47.gxf3 Rb3 -+ (-2.19) Depth: 15/39 00:10:14 426538kN 42...Qa1 43.Bxb4 Nd4 44.Qe1 Qb2 45.Bxd6 Qxb1 46.Qxb1 Rxb1+ 47.Kh2 a3 48.Be5 -+ (-2.34) Depth: 16/39 00:15:18 637358kN (Blass, Tel-aviv 20.08.2001) >3. 43 e5! is a brilliant schwindle, the only chance to play on. >4. 43 ... Qxa3? spoils the win. Ferret expected the obvious > 43 ... Qxe5! after which Black is still much better. >5. 50 ... Kc8?? was the losing move, according to Ferret 50 ... Qxe5 > leads to a draw. Unfortunately Gandalf still thought it was > better, but after Kc8? it was a forced loss. Deep Fritz prefers another move after 15 minutes It seems that Deep Fritz needs very slow hardware to find 50...Qxe5 Ferret - Gandalf rr1k4/8/3P2Q1/4P2p/pnP4P/1n2N3/5PP1/qB4K1 b - - 0 1 Analysis by Deep Fritz: 50...Qxe5 51.Be4 Ra6 52.Qg8+ Qe8 53.Qxe8+ Kxe8 -+ (-6.38) Depth: 4/14 00:00:00 4kN 50...Qxe5 -+ (-6.06) Depth: 5/19 00:00:00 13kN 50...Qxe5 -+ (-6.06) Depth: 5/19 00:00:00 13kN 50...Qxe5 -+ (-6.06) Depth: 5/19 00:00:00 13kN 50...Qxe5 -+ (-6.06) Depth: 5/19 00:00:00 13kN 50...Qxe5 -+ (-6.06) Depth: 5/19 00:00:00 13kN 50...Qxe5 -+ (-6.06) Depth: 5/19 00:00:00 13kN 50...Qxe5 -+ (-6.06) Depth: 5/19 00:00:00 13kN 50...Qxe5 -+ (-6.06) Depth: 5/19 00:00:00 13kN 50...Qxe5-- -+ (-5.75) Depth: 6/15 00:00:00 22kN 50...Qxe5-- 51.Bf5 Nc6 52.Qg5+ Ne7 53.dxe7+ Qxe7 54.Qxh5 -+ (-4.16) Depth: 6/18 00:00:00 35kN 50...Qxe5-- -+ (-3.84) Depth: 7/17 00:00:00 131kN 50...Qxe5-- 51.Bf5 Nc6 52.Qg8+ Qe8 53.Qg5+ Ne7 54.Nd5 Qf7 55.dxe7+ Ke8 -+ (-3.41) Depth: 7/22 00:00:00 152kN 50...Rb7! -+ (-3.44) Depth: 7/24 00:00:00 285kN 50...Rb7! 51.Qg8+ Kd7 52.Qh7+ Kc6 53.Qe4+ Kb6 54.e6 Nc5 55.Qf5 -+ (-3.75) Depth: 7/24 00:00:00 368kN 50...Rb7 51.Qg8+ Kd7 52.Qxa8 Qxb1+ 53.Kh2 Qe4 54.Qxa4+ Nc6 55.Kg1 Qxh4 -+ (-3.78) Depth: 8/25 00:00:01 712kN 50...Rb7-- -+ (-3.47) Depth: 9/25 00:00:01 1040kN 50...Rb7-- 51.e6 Rg7 52.Qf5 Rg8 -+ (-3.09) Depth: 9/31 00:00:02 1376kN 50...Kc8! -+ (-3.13) Depth: 9/31 00:00:03 2292kN 50...Kc8! 51.Qf7 Qxb1+ 52.Kh2 Na6 53.Nd5 -+ (-3.19) Depth: 9/31 00:00:04 2724kN 50...Kc8-- -+ (-2.88) Depth: 10/23 00:00:04 2804kN 50...Kc8-- 51.Qf7 Qxb1+ 52.Kh2 Na6 53.Nd5 Nbc5 54.d7+ Nxd7 55.Qe8+ Kb7 56.Qxd7+ -+ (-2.03) Depth: 10/32 00:00:05 3567kN 50...Kc8-- -+ (-1.72) Depth: 11/30 00:00:09 6110kN 50...Kc8-- 51.Qf7 Qxb1+ 52.Kh2 Na6 53.e6 Ra7 54.e7 Rxe7 55.dxe7 Nc7 56.e8Q+ ³ (-0.56) Depth: 11/33 00:00:13 8864kN 50...Rb7! ³ (-0.59) Depth: 11/35 00:00:16 10925kN 50...Rb7! 51.e6 Qg7 52.e7+ Rxe7 53.dxe7+ Qxe7 54.Qg8+ Qe8 55.Qg5+ Kd7 56.Bf5+ -+ (-1.88) Depth: 11/35 00:00:27 17961kN 50...Rb7 51.e6 Qg7 52.e7+ Rxe7 53.dxe7+ Qxe7 54.Qg8+ Qe8 55.Qg5+ Kd7 56.Bf5+ -+ (-1.78) Depth: 12/35 00:00:43 28904kN 50...Rb7-- -+ (-1.47) Depth: 13/35 00:00:59 39711kN 50...Rb7-- 51.e6 Qg7 52.e7+ Rxe7 53.dxe7+ Qxe7 54.Qb6+ Ke8 55.c5 Nd4 µ (-0.78) Depth: 13/44 00:02:45 118086kN 50...Rb7 51.e6 Qg7 52.e7+ Rxe7 53.dxe7+ Qxe7 54.Qb6+ Ke8 55.c5 Kf8 ³ (-0.69) Depth: 14/38 00:05:10 220202kN 50...Rb7 51.e6 Qg7 52.e7+ Rxe7 53.dxe7+ Qxe7 54.Qb6+ Ke8 55.c5 Nxc5 ³ (-0.66) Depth: 15/41 00:13:39 574159kN (Blass, Tel-aviv 20.08.2001) Uri
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