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ACM Chess Challenge
1996 Kasparov - Deep Blue
Highlights

The match was organized by the Association for Computing Machinery (ACM) to mark the 50th birthday of the first computer. The chief organizer was Monty Newborn, professor of computer science at McGill University and chairman of the ACM's Computer Chess Committee.

Deep Blue was an IBM RISC System/6000 Scalable Power Parallel System. It had 32 processors dedicated to calculation, each processor connected to 8 chess specific processors. It calculated 200.000.000 moves per second.

The hardware was installed at IBM's Thomas J. Watson Research Center, Yorktown Heights, state of New York, with a connection to Philadelphia via the Internet.

IBM's team was managed by Chung-Jen Tan. Other team members were Feng-Hsiung Hsu, Murray Campbell, and A. Joseph Hoane Jr. Joel Benjamin served as a GM consultant.

Game 1 : Deep Blue - Kasparov
Position
after 23.d4-d5

Game 2 : Kasparov - Deep Blue
Position
after 19.b2-b4

Kasparov proposed a draw after the following move. It became clear that draw offers could only be accepted by the human members of Deep Blue's team. The machine was not programmed to consider them.

Game 3 : Deep Blue - Kasparov
Position
after 38...Rd7-d4(xR)

Game 4 : Kasparov - Deep Blue
Position
after 34.Ba4-c6
('the only defensive resource' - Kasparov)

Kasparov proposed a draw after the following move, which was refused by the computer's team. Deep Blue went on to lose. Was this truly a match of man vs. machine?

Game 5 : Deep Blue - Kasparov
Position
after 23...Re8-d8

Game 6 : Kasparov - Deep Blue
Position
after 40.c5-c6

Kasparov won 400.000 US$, with 100.000 US$ to the loser.

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