Requiem

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Requiem, a Chess Engine Communication Protocol aka WinBoard protocol 2 compliant chess engine by Severi Salminen, written in C with some x86 assembly routines, first released in December 2001. As bitboard engine, it uses rotated bitboards to calculate sliding piece attacks, and otherwise applies PVS alpha-beta with null move pruning, mate threat extensions, futility pruning, and SEE inside an iterative deepening framework without aspiration windows. Requem has a simple evaluation function supported by a pawn hash table, and has some sense of pawn islands. It is not aware of repetitions , and lacks a main transposition table.

=Forum Posts=
 * Requiem (a WinBoard compatible engine) RELEASED! by Severi Salminen, CCC, December 09, 2001
 * Requiem (a WinBoard compatible engine) RELEASED! by Severi Salminen, Winboard Forum, December 09, 2001
 * To Severi Salminen about Requiem by Benny Antonsson, CCC, January 16, 2002
 * Requiem v0.52 released by Severi Salminen, CCC, February 07, 2002
 * Requiem v0.53 released by Severi Salminen, CCC, September 26, 2002

=External Links=

Chess Engine

 * Homepage of Severi Salminen - Requiem
 * Index of /chess/engines/Norbert's collection/Requiem (Compilation) by Norbert Raimund Leisner, hosted by Kirill Kryukov
 * Requiem 0.53 in CCRL Blitz
 * Requiem 0.53 in KCEC

Misc

 * Requiem from Wikipedia
 * Music for the Requiem Mass - Wikipedia
 * Requiem (disambiguation) from Wikipedia
 * Requiem shark from Wikipedia
 * Achim Zepezauer - Requiem, Tallinn, Estonia, Februar 2016, YouTube Video

=References= Up one level