Rudolf Posch

RDChess playing strength

 
The strength of RDChess has been evaluated by

playing against humans. RDChess usually wins, except you are a very professional chess player.
playing against other computer chess programs in WinBoard Tournaments. See results or search for rdchess in WinBoard Forum.
RDChess is ranked roughly around place 80 in a field of about 230 chess engines.
RDChess plays as computer at the
- American Free Internet Chess Server FICS. After playing 531 games RDChess has a Blitz score of 2175 and a computer rank of 73.
- German Free Internet Chess Server GICS. RDChess has currently (2004-01-16) a Blitz rating of 2091 (16th place) 153 wins/42 lossses/ 27 draws.
Play on ICS against RDChess with "match rdchess" , I try to hold RDChess logged in often for the next months!
with RDChess playing against test suites (see below).

If anybody runs test games against RDChess, I would be pleased to receive any kind of feedback to my e-Mail.

RDChess test suites

There are a few test suites (Bratko-Kopec, Fine, Louguet II, WinAtChess, etc ; annotated with EPD best move tags ) stored for download here on this site.

RDChess has a built in automatic test procedure, which is started with the menu Game-> Run Test suite ... In the file dialog you select a game library in .pgn format. In the PGN FEN setup string of each game in the library there has to be set an Extended Position Description (EPD) tag "bm" (best moves out from the start position).

RDChess plays one move for each position and compares the calculated (searched) move with the stored best move from the "bm" - tag.

If the moves are identical, a hit counter is incremented.

At the end of the test run a statistic with the number of test games, number of hits, used time, accumulated total node count etc. is displayed and may be printed:

Diagram: Screenshot of a Test Run Result of the Bratko-Kopec Test suite searched with fixed search depth 7.

 Last modified 2004-1-16 Rudolf Posch