1.
Math Theory of Chess S-Version, Parts 1,2
by Treger, Yefim, Treger, Anna
ISBN: 9784871877084
List Price: $139.95
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Math Theory of Chess. S-Version, Part 1. 1. Popular Interpretation
by Treger, Yefim
ISBN: 9780974510224
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Math Theory of Chess. S-version. Parts 4, 5
by Treger, Yefim, Romanenko, V...
ISBN: 9784871877732
List Price: $99.99
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Math Theory of Chess S-Version Part 3
by Yefim Traeger, Hanna Levina...
ISBN: 9784871877268
List Price: $99.99