PeSTO27s Evaluation Function

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PeSTO’s Evaluation Function,

a Piece-Square Tables Only evaluation function by Ronald Friederich as tried in his chess engine RofChade [1] further used in his experimental chess engine PeSTO. It performs a tapered evaluation to interpolate by current game stage between piece-square tables values for opening and endgame, optimized by Texel’s tuning method. Pesto’s Evaluation Function is intended to replace Tomasz Michniewski’s Simplified Evaluation Function, and was successfully applied in several engines. Maksim Korzh used and adapted Pesto’s Evaluation Function in Wukong JS along with his own Texel’s tuning trials [2]. Pawel Koziol gave TSCP by Tom Kerrigan [3] an 200 Elo boost with Pesto’s Evaluation Function [4], further tried by Ed Schröder in ProDeo [5].

See also#

• PeSTO
• Piece-Square Tables
• ProDeo
• RofChade
• Simplified Evaluation Function
• Tapered Eval
• TSCP
• Wukong JS

Forum Posts#

• Re: New uci engine: Rofchade by Ronald Friederich, CCC, Auguat 28, 2018
• Re: Help with Texel’s tuning by Maksim Korzh, CCC, January 07, 2021
• little fun with TSCP by nescitus, ProDeo Forum, February 12, 2021
• ProDeo 3.1 - The PESTO version by Ed Schröder, ProDeo Forum, February 19, 2021
• ProDeo 3.1 - The PESTO version by Ed Schröder, CCC, February 19, 2021
• Re: Hitting a wall at ~1860 Elo by Erik Madsen, CCC, June 02, 2021
• Game Phase and tapered PSQT evaluation by Jon12345, CCC, June 23, 2021
• PeSTO’s Evaluation Function, different"bestmove" for each depth by Pedro Duran, CCC, July 15, 2021

External Links#

• PeSTO: Piece Square Tables Only – RofChade
• wukongJS/wukong.js at main · maksimKorzh/wukongJS · GitHub by Maksim Korzh » Wukong JS
• Community - Tom Kerrigan’s Home Page » TSCP
• ProDeo 3.1 | The PeSTO Version » ProDeo

References#

1. ↑ Re: New uci engine: Rofchade by Ronald Friederich, CCC, Auguat 28, 2018
2. ↑ Re: Help with Texel’s tuning by Maksim Korzh, CCC, January 07, 2021
3. ↑ Community - Tom Kerrigan’s Home Page
4. ↑ little fun with TSCP by nescitus, ProDeo Forum, February 12, 2021
5. ↑ ProDeo 3.1 - The PESTO version by Ed Schröder, CCC, February 19, 2021
6. ↑ Community - Tom Kerrigan’s Home Page

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