Delfi is a
Winboard
XBoard is a graphical user interface chessboard for chess engines under the X Window System. It is developed and maintained as free software by the GNU project. WinBoard is a port of XBoard to run natively on Microsoft Windows.
Overview
Original ...
/UCI
chess engine
In computer chess, a chess engine is a computer program that analyzes chess or chess variant positions, and generates a move or list of moves that it regards as strongest.
A chess engine is usually a back end with a command-line interface wit ...
written in
Pascal
Pascal, Pascal's or PASCAL may refer to:
People and fictional characters
* Pascal (given name), including a list of people with the name
* Pascal (surname), including a list of people and fictional characters with the name
** Blaise Pascal, Fren ...
designed by Italian chess programmer Fabio Cavicchio. It is designed to emulate a human playing style and is rated 2627 on the
Chess Engines Grand Tournament
Chess Engines Grand Tournament, also known as CEGT, is an organization that tests computer chess software by playing chess engines against one another and publishing a ratings table.
CEGT routinely tests chess engines in various time controls su ...
.
The latest released version is 5.4. Source code for version 5.1 is available.
Technical details
From its release page, Delfi does not use bitboards like
Crafty
Crafty is a chess program written by UAB professor Dr. Robert Hyatt, with continual development and assistance from Michael Byrne, Tracy Riegle, and Peter Skinner. It is directly derived from Cray Blitz, winner of the 1983 and 1986 World Compu ...
, but uses 16 × 16 array of bytes for board presentation. It uses capture history heuristic and smart thinking time allocation, from 50% to 400% of the average time. When some moves seem equal in its evaluation, it makes random moves.
See also
*
Computer chess
Computer chess includes both hardware (dedicated computers) and software capable of playing chess. Computer chess provides opportunities for players to practice even in the absence of human opponents, and also provides opportunities for analysi ...
*
World Computer Speed Chess Championship
World Computer Speed Chess Championship is an annual event organized by the International Computer Games Association where computer chess engines compete against each other at blitz chess time controls. It is held in conjunction with the World Co ...
References
External links
* {{Official website, http://www.msbsoftware.it/delfi/
Chess engines