Author: Dann Corbit
Date: 18:17:31 04/28/99
Since three months has passed since the original completion, there is now a public release of the OrAnG UtAn project data in: ftp://38.168.214.175/pub/Public_CAP_Results/Orangutan/ Project OrAnG UtAn took PGN from about 2000 1. b4 (orangutan) games and decomposed the data into EPD records. Each record was then analyzed twice at 12 minutes of Pentium II 300MHz equivalent CPU time. Hence, we have a large collection of records which have been carefully scrutinized for tactical errors. Perhaps a study of this data will uncover some interesting nuances for this particular opening. The data is in EPD format, so you will need some sort of EPD reading program. EPD2DIAG (from the Rebel web page) can be used for this purpose and is freely available. There is also a JavaScript version in that location for non-windows clients. This data is donated to the public domain and can be used for any purpose you see fit. The Orangutan EPD file is about 19 megabytes decompressed. The zip file is 6.5 megabytes. Here is the readme.txt file from the Orangutan project directory: date time size name description -------- ------ ---------- ------------- ----------------------------------- 04/28/99 02:07p 19,532,575 orangutan.epd Primary analysis for 1. b4 games. 04/28/99 02:01p 1,060,297 orangutan.pgn The original collection of games. 04/28/99 03:23p 836 readme.txt This file, which describes the others. 04/28/99 03:25p 6,501,389 Orangutan.zip All of the above, compressed. For information about the EPD format, secure a copy of the PGN standard by: Steven J. Edwards. Some tools that can be used to examine this data: Chess Assistant Bookup Epd2diag Project OrangUtan: Calculate the value of positions from 1. b4 (Orangutan) games. This contained 126,082 unique board positions. -- C-FAQ: http://www.eskimo.com/~scs/C-faq/top.html "The C-FAQ Book" ISBN 0-201-84519-9 C.A.P. Newsgroup http://www.dejanews.com/~c_a_p C.A.P. FAQ: ftp://38.168.214.175/pub/Chess%20Analysis%20Project%20FAQ.htm
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