Author: Vincent Lejeune
Date: 09:13:11 07/24/02
Go up one level in this thread
On July 24, 2002 at 02:35:40, Vincent Lejeune wrote: >On July 17, 2002 at 00:03:24, K. Burcham wrote: > >> >> >>In game 2, Kasparov thought that there was human interference with this line. >>He requested the logs to see for himself that these two moves were actually in >>the Deep Blue eval. >>Kasparov did not think any program would play 36.axb5 avoiding 36.Qb6 or the >>move 37.Be4. >> >>But it seems that todays programs will accomplish what Deep Blue was trying to >>do in the game. >>Deep Blue opened up the a file and blocked Kasparov's play with 37.Be4, limiting >>blacks mobility. >> >>Below in the examples you will see that two of todays strongest programs will >>also accomplish this same objective. Both Fritz7 and Chess Tiger 14.0 will open >>the a file and control the a file. also both Fritz7 and Chess Tiger 14.0 will >>play Be4 limiting Kasparov's mobility with black. >> >>All three programs, Deep Blue, Chess Tiger 14.0 and Fritz7 put the >>squeeze on black, blocked with the Be4 move, opened the a file, threatened to >>capture blacks bishop, forced black to protect the loss of pawns, etc. >> >>I started each program after Kasparov's move 35...Bxd6. >>after each program analyzed for several hours, I took the line from each >>program and played it through to the position after blacks move 40. >>This way we can cover both controversial moves. >> >> >> >> >>Deep Blue vs Kasparov game 2 >> >>Deep Blue position after Kasparov 35...Bxd6 >> [D] r1r1q1k1/6p1/p2b1p1p/1p1PpP2/PPp5/2P4P/R1B2QP1/R5K1 w - - 0 1 >> >> >>Deep Blue vs Kasparov line from game 2 starting with move 36. >>36.axb5 axb5 37.Be4 Rxa2 38.Qxa2 Qd7 39.Qa7 Rc7 40.Qb6 Rb7 >>41.Ra8+ Kf7 42.Qa6 Qc7 43.Qc6 Qb6+ 44.Kf1 Rb8 45.Ra6 >> 1-0 > >Hiarcs 8, after 5h of thinking on a celeron@875 Mhz : > >Analysis by Hiarcs 8: > >1. +- (1.85): 1.Db6 Fc7 2.De6+ Dxe6 3.fxe6 Tab8 4.axb5 axb5 5.Ta6 Tb6 6.Ff5 Tcb8 >7.Fg6 Txa6 8.Txa6 Fd8 9.d6 Rh8 10.e7 Fb6+ 11.Rh1 >2. ± (0.96): 1.axb5 axb5 2.Db6 Txa2 3.Txa2 Fc7 4.De6+ Rf8 5.Rf1 e4 6.Fxe4 Fe5 >7.Ta3 Ta8 8.Dxe8+ Txe8 9.Ff3 Fg3 10.Ta1 After 14h40, not many changes : Nouvelle partie r1r1q1k1/6p1/p2b1p1p/1p1PpP2/PPp5/2P4P/R1B2QP1/R5K1 w - - 0 1 Analysis by Hiarcs 8: 1. +- (1.65): 1.Db6 De7 2.axb5 Tab8 3.Dxa6 e4 4.Fxe4 De5 5.Ff3 De3+ 6.Rf1 Dd3+ 7.Rf2 Fe5 8.De6+ Rh7 9.Df7 Dxf5 10.g4 Dg5 11.Fe4+ Rh8 2. ± (0.96): 1.axb5 axb5 2.Db6 Txa2 3.Txa2 Fc7 4.De6+ Rf8 5.Rf1 e4 6.Fxe4 Fe5 7.Ta3 Ta8 8.Dxe8+ Txe8 9.Ff3 Fg3 10.Ta1 Te3
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