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Deep Blue

Deep blue was a chess playing supercomputer developed by IBM which defeated chess grandmaster Garry Kimovich Kasparov in 1997. It was developed by Feng-hsiung and his team in the quest to build a computer to take on chess grandmasters. It evaluates 200000000 moves per second compared to the 3 moves per second of the human. It relies on brute-force analysis of thousands of matches between the world grandmasters to pick its move.

So what are the parameters it evaluates?

Value of each piece – Each piece has a value attached to it – A pawn has a value of 1, knight 3, bishops and rooks 5, queen 9 and the king, beyond value.

Area under control – The computer tries to maximise the number of squares of the board under its control.

Safety of the king – Any move must only reinforce the safety of the king, since if the king is taken the match is over.

Tempo – this refers to the rate of advancing of the player.

Read more:

http://en.wikipedia.org/wiki/IBM_Deep_Blue

http://www.research.ibm.com/deepblue/home/html/b.shtml

2 Responses

  1. Ah! The first comment on your blog :)

    Me and a friend of mine had plans to create a chess game in C++. We backed out after reading about Deep Blue :D

    It was too advance for us to do this at our current level (knowledge of 11th and 12th C++).

    Well about 200000000 moves/sec, It’s just mind blowing. But you know, a human brain has an advantage in many ways over it’s brute-force counterpart.

  2. Thanks Pranav for posting the first comment :-D

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