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The evaluation value and value returned by minimax search
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Vincent Diepeveen



Joined: 09 Mar 2006
Posts: 1738
Location: The Netherlands
PostPost subject: Re: The evaluation value and value returned by minimax searc    Posted: Sun Mar 11, 2012 4:10 pm Reply to topic Reply with quote
mcostalba wrote:
diep wrote:
Initially there was a posting from Marco Costalba claiming Stockfish was getting tuned by playing sets of 1000 games 1 minute all.


Sorry to chime in, just to calrify that it was not tuning. Testing on 1000 games at 1' per game was used to validate a new feature (not auto-tuning a parameter).

And it worked ! If you look at SF commit history in github you will see that until about 1-2 years ago many changes were committed after 1K games of testing. Today SF is much more mature and finding an increase with just 1K games is not realistic, but at the time the changes were in the range of 10-15 ELO each and the signal/noise level was high enough that even 1K games validation worked most of the times and, on average, let SF to steadily increase ELO from Glaurung.


The discussion back then WAS about automatic parameter tuning.

Not about validation at all...

Basically you're trying to talk your way out now giving 2 'new arguments'.
Arguments never used back then. Just a deadly silence there was back then, when questions were asked.

And about 'githubs', you posted that that tuningsframework of SF was integrated into SF and your own proprietary code and topsecret therefore, which is why nothing of the code, especially not how you modify parameters, was shown.

Of course we see nothing about all that - you tune in a different manner all those years, as is so obvious to all readers who followed over the years those arguments and discussions, and now a Chinese guy who is on the right path gets 100% DESINFORMATION from your buddy.

Not only a deadly silience, which is very legal, but a posting claiming it didn't work for you to tune in the manner how some of the top engines get tuned, including your 'own'. It's ok to say nothing if something works for you, but spreading 100% desinformation is just very very sick.
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Subject Author Date/Time
The evaluation value and value returned by minimax search Ma Chao Fri Mar 09, 2012 11:51 am
      Re: The evaluation value and value returned by minimax searc Joona Kiiski Fri Mar 09, 2012 12:06 pm
            Re: The evaluation value and value returned by minimax searc Pio Korinth Fri Mar 09, 2012 9:51 pm
            Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 5:34 am
            Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 5:58 am
                  Re: The evaluation value and value returned by minimax searc Joona Kiiski Sun Mar 11, 2012 12:20 pm
                        Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 2:41 pm
                              Re: The evaluation value and value returned by minimax searc Joona Kiiski Sun Mar 11, 2012 3:44 pm
                                    Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 3:47 pm
                                          Re: The evaluation value and value returned by minimax searc Joona Kiiski Sun Mar 11, 2012 3:51 pm
                                                Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 3:55 pm
                                                      Re: The evaluation value and value returned by minimax searc Marco Costalba Sun Mar 11, 2012 4:04 pm
                                                            Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 4:10 pm
                                                                  Re: The evaluation value and value returned by minimax searc Joona Kiiski Sun Mar 11, 2012 5:03 pm
                        Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 2:43 pm
                        Re: The evaluation value and value returned by minimax searc Uri Blass Sun Mar 11, 2012 3:07 pm
                              Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 3:23 pm
                                    Re: The evaluation value and value returned by minimax searc Joona Kiiski Sun Mar 11, 2012 3:47 pm
                                          Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 3:50 pm
                                                Re: The evaluation value and value returned by minimax searc Joona Kiiski Sun Mar 11, 2012 3:52 pm
                              Re: The evaluation value and value returned by minimax searc Joona Kiiski Sun Mar 11, 2012 3:42 pm
      Re: The evaluation value and value returned by minimax searc Han Chengye Sat Mar 10, 2012 2:22 am
            Re: The evaluation value and value returned by minimax searc Marco Costalba Sat Mar 10, 2012 12:48 pm
      Re: The evaluation value and value returned by minimax searc Ralph Stoesser Sat Mar 10, 2012 11:12 pm
            Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 6:27 am
      Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 5:09 am
      Re: The evaluation value and value returned by minimax searc Vincent Diepeveen Sun Mar 11, 2012 5:27 am
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