and available at http://www.pkoziol.cal24.pl/rodent/rodent_download.htm
Changes include:
- LMR tuning (now some reduction is done also in PV nodes)
- new king safety function
- razoring added
- polyglot book support
Self play shows 50 Elo gain, but since my last prediction proved off the mark, I don't want to promise anything strength-wise. Yet I can state that Rodent 1.2 is finally capable of sacrificing material for initiative and has much better understanding of king safety.
Switching to polyglot book format meant two things: I was able to delete a lot of ugly code, and of course old big book had to go. rodent.bin is only a full weekend's worth of work, so it is bound to contain glitches, blunders and inferior lines. I have tried to make it as solid as possible, generating it from long drawn games of IM+ strength players, from games between 2700+ players and from games which repeat up to 16, 18 and 20 ply, but without a couple months of tuning it's not enough. the release of a real, hand-tuned book is scheduled for New Year's Eve.
I also promised myself to take a break from programming, as it requires a lot of energy, which is a bit hard to come by during the Polish autumn. In other words, I feel a bit tired and need to recharge.
As usual, I must ask if some kind soul can provide a Linux compile.
regards,
Pawel Koziol
Rodent 1.2 released
Moderators: hgm, Rebel, chrisw
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Re: Rodent 1.2 released
Thanks a lot, Pawel -- your work is greatly appreciated!
Cheers,
CL
Cheers,
CL
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Re: Rodent 1.2 released
Thanks Pawel. Enjoy your break.PK wrote:and available at http://www.pkoziol.cal24.pl/rodent/rodent_download.htm
gbanksnz at gmail.com
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Re: Rodent 1.2 released
I have a problem creating Rodent 1.2 as an engine in ChessGUI.
I get an address violation message pop up and can't go any further.
Sorry to be a bother.
I get an address violation message pop up and can't go any further.
Sorry to be a bother.
gbanksnz at gmail.com
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Re: Rodent 1.2 released
Graham, which compile are You using?
Pawel Koziol
http://www.pkoziol.cal24.pl/rodent/rodent.htm
http://www.pkoziol.cal24.pl/rodent/rodent.htm
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Re: Rodent 1.2 released
The same issue occurs with both 64-bit exes.PK wrote:Graham, which compile are You using?
gbanksnz at gmail.com
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Re: Rodent 1.2 released
Strange, I will try to recompile them tomorrow. What is their reaction if You type "bench" in a console mode?
Pawel Koziol
http://www.pkoziol.cal24.pl/rodent/rodent.htm
http://www.pkoziol.cal24.pl/rodent/rodent.htm
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Re: Rodent 1.2 released
PK wrote:Strange, I will try to recompile them tomorrow. What is their reaction if You type "bench" in a console mode?
gbanksnz at gmail.com
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Re: Rodent 1.2 released
Bug fixed, and patched version uploaded. Thank You Graham for confirming that benchmark runs OK, as it allowed me to narrow down the possible reasons for a bug. After installing ChessGUI and running it it transpired that it was the most absurd consequence of a small error I have ever encountered - ChessGUI refused to run Rodent because of... missing space between engine id and author id. Arena and Scid vs PC weren't so nit-picking :p
thanks for quick responses and sorry for inconvenience!
thanks for quick responses and sorry for inconvenience!
Pawel Koziol
http://www.pkoziol.cal24.pl/rodent/rodent.htm
http://www.pkoziol.cal24.pl/rodent/rodent.htm
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Re: Rodent 1.2 released
No problem Pawel.PK wrote:Bug fixed, and patched version uploaded. Thank You Graham for confirming that benchmark runs OK, as it allowed me to narrow down the possible reasons for a bug. After installing ChessGUI and running it it transpired that it was the most absurd consequence of a small error I have ever encountered - ChessGUI refused to run Rodent because of... missing space between engine id and author id. Arena and Scid vs PC weren't so nit-picking :p
thanks for quick responses and sorry for inconvenience!
Thanks for your quick response.
gbanksnz at gmail.com