Author: Rolf Tueschen
Date: 02:24:50 07/17/02
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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> > What is the error in such experiments? Answer: You can't _prove_ something as authentic with repetitions on different machines built-up _after_ the event. History of CC has shown that we could never exclude special preps right on to the point. Therefore, logically, we cannot accept such "proofs". The deconstruction of DEEP BLUE 2 right after the event, in special with the knowledge of the prior attitude of the DB team, which was one of secrecy (not a single game score existing!), speaks against the validity of DB2 output. THe deliberate deconstruction invalidates DB2 results. Just compare it with the refusal of passing the doping test directly _after_ the race. It's so basic! Rolf Tueschen
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