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 __   _    _    _     ______     ___      ______  
| || | || | || | ||  /_   _//   / _ \\   /_   _// 
| '--' || | || | ||    | ||    | / \ ||  `-| |,-  
| .--. || | \\_/ ||   _| ||    | \_/ ||    | ||   
|_|| |_||  \____//   /__//      \___//     |_||   
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Text this: Complex pattern recognition and evaluation : a knowledge-based approach to computer chess