Author: John Merlino
Date: 17:14:26 07/31/02
Go up one level in this thread
On July 31, 2002 at 11:20:10, Jeroen van Dorp wrote: >[D]r7/1p2ppkp/6p1/p2n4/Pn6/1r1P1P2/1P1Q2PP/1K1R3R w - - 0 21 > >Draw agreed. > >What does your program play in this situation? > >J.H. Donner, who died in 1988, was an avid opponent of the "chess playing >calculator". They can't play chess, was his opinion. The same goes for women, he >stated, because they "lack intuition". Inclined to react - don't feel obliged, >he won't hear you anymore, and it is said that those not insulted by Donner >didn't exist. So much for that. > >Recently a new Dutch edition of The King (De Koning - schaakstukken) - a >collection of his columns in various Dutch magazines was published, and in one >of the pieces from 1975 he tells the story about the above position. > >It's from a game between Browne and Genna Sosonko on Hoogovens 1975, and he >agreed with Browne that the draw (a white queen against two black knights) tends >to ridicule. Are those two knights really worth a queen? > >He then starts analyzing, and concludes it's a draw indeed. > >However, some months later he visits the Noordoostpolder, somewhere in the >Netherlands (I'll be heading there tomorrow, that's why the piece caught my >eye:)) and on a tournament there, in Emmeloord, some anonymous chess player came >to Donner and asked him "what would black do if white would have played 21.Qc1?" > >Donner realized that this must be the solution and analyzes again; then he >wonders if Fischer would have found the move, and is pretty sure Petrosjan would >have been able to. > >Given his disdain for "chess playing calculators" it's maybe interesting what >todays versions of them produce as answer. I put the position in Fritz 7 and >watched the outcome. >Maybe Donner was also wrong about women and chess. > >J. Chessmaster 9000 (on a PIII-600) takes 2:02 to see Qc1, and the eval is similar to most other programs (I can't understand Shredder PB's score....): Time Depth Score Positions Moves 0:00 1/3 2.21 1537 21.d4 Rc8 22.Rc1 Rd3 0:00 1/4 2.37 6034 21.d4 e6 22.Rhe1 Nd3 23.Qxd3 Rxd3 24.Rxd3 0:00 1/5 2.25 18211 21.d4 e6 22.Rhe1 Rc8 23.Rc1 Rd3 0:00 1/6 2.28 49488 21.d4 e6 22.Rhe1 Nd3 23.Qxd3 Rxd3 24.Rxd3 Rc8 25.Rb3 0:02 1/7 1.80 140597 21.d4 Nc6 22.Rhe1 Rb4 23.Qc2 Nxd4 24.Qc5 0:05 1/8 1.77 363756 21.d4 Nb6 22.Ka1 Nc4 23.Qe2 Nxb2 24.Rd2 Nxa4 25.Qxe7 0:10 1/9 1.64 813952 21.d4 Nb6 22.Ka1 Nc4 23.Qe2 Nxb2 24.Rd2 Nxa4 25.Qe5+ Kg8 26.Qxe7 0:35 2/10 1.13 2944234 21.d4 b5 22.Qc1 Nb6 23.Ka1 Rc8 24.Qb1 Nc2+ 25.Ka2 bxa4 26.Rc1 Nd5 27.Qxc2 Rxc2 28.Rxc2 2:02 2/10 1.69 10491679 21.Qc1 Nxd3 22.Qc4 Rxb2+ 23.Ka1 N5b4 24.Rxd3 Nxd3 25.Qxd3 Rxg2 26.Qe4 Rc8 27.Qxe7 Rcc2 28.Qe5+ f6 29.Qxa5 Rxh2 30.Rxh2 Rxh2 2:34 3/11 1.63 13687740 21.Qc1 Rd8 22.Rd2 Nc6 23.Qc5 Nb6 24.Qc2 Rb4 25.Qc3+ e5 26.Rc1 Rxa4 27.Qb3 4:12 4/12 1.73 23143263 21.Qc1 Rd8 22.Rd2 Nc6 23.Qc5 Nb6 24.Rc1 Nxa4 25.Qe3 e5 26.f4 f6 27.fxe5 Nxe5 jm
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