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Aleks Peshkov,
a Russian software developer and computer chess programmer. Aleks contributed to various methods of generating sliding piece attacks in bitboards, most notably he pioneered in the Hyperbola Quintessence approach [1] regarding the union of positive and negative ray-attacks, further utilizing disjoint ray-attacks in conjunction with own inverse and mirroring or flipping distributive xor instruction. He is in the process to develop a chess engine based on SSSE3 Hyperbola Quintessence using the Pshufb instruction for the vertical flip. Aleks recently supports the Stockfish team in making test resources available [2].

See also

Forum Posts


  1. ^ Re: BitBoard Tests Magic v Non-Rotated 32 Bits v 64 Bits by Aleks Peshkov, CCC, August 25, 2007
  2. ^ Stockfish Blog - Stockfish 1.9

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