Jonatan Pettersson

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Jonatan Pettersson [1] Jonatan Pettersson,

a Swedish computer scientist and Java developer. He is author of the chess engine Mediocre, written in Java [2], and maintains the Mediocre Chess blog, covering the development of his engine and various topics on chess programming, also recently announcing he is working on a new bitboard based Java engine [3].

• Blog back on track (Mediocre engine) by Jonatan Pettersson, CCC, October 07, 2011
• Key collision handling by Jonatan Pettersson, CCC, October 21, 2011 » Collisions, Zobrist Hashing
• Mediocre v0.4 released by Jonatan Pettersson, CCC, November 26, 2011
• Mediocre v0.5 released by Jonatan Pettersson, CCC, July 30, 2012

External Links#

• Mediocre Chess blog

The 0x88 representation » 0x88 Contempt factor » Contempt Factor Static exchange evaluation (SEE) » Static Exchange Evaluation Tapered Eval » Tapered Eval

References#

1. ↑ Blogger: Jonatan Pettersson
2. ↑ Mediocre website
3. ↑ Still around, Mediocre Chess blog, March 13, 2019

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