Sorry, I am hoping Tord will change the default settings for this or future version, that was the idea Would have been a much shorter post if I just said that, but there goes a lot of work in those matches, even if I do not have to play all the moves myself, as they used to do in the old days with dedicated computer tournaments. I believe there is a forum where they still do that and I hear chess-computer help is not even allowed anymore
If I remember it correctly , Glaurung has settings similar to Zappa, where you can adjust number of threads. If other engines are using 4 threads, and Glaurung only 1, of course it doesn't stand any chance.
Selectivity: 5 (1 step down from default 6)
Single Reply Extension (PV): 2 (1 up from default 1, 1 is a half ply I believe)
Single Reply Extension (non PV): 2 (1 up from default 1)
The third match was a match against Shredder 9 playing with its own book. Again a match of 22 with Mjolnir settings and a match of twenty games with default settings.
Sometimes you see that settings perform relatively better at a certain timecontrol. A possible reason for this could be that in that timecontrol it often manages to complete plydepth x where the opponent has trouble completing plydepth y. This match was played with 50% longer timecontrol 12 minutes + 3 seconds, to counter this effect.
Default match
First Run, Shredder 9.1 UCI - Glaurung 2.0.1 default, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Shredder 9.1 wins 1½-½ (+1 =1 -0)
Second Run, Shredder 9.1 UCI - Glaurung 2.0.1 default, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Glaurung 2.0.1 wins 1½-½ (+1 =1 -0)
Third Run, Shredder 9.1 UCI - Glaurung 2.0.1 default, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
A draw 1-1 (+1 =0 -1)
Fourth Run, Shredder 9.1 UCI - Glaurung 2.0.1 default, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Glaurung 2.0.1 wins 1½-½ (+1 =1 -0)
Fifth Run, Shredder 9.1 UCI - Glaurung 2.0.1 default, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Shredder 9.1 wins 1½-½ (+1 =1 -0)
Sixth Run, Shredder 9.1 UCI - Glaurung 2.0.1 default, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
A draw 1-1 (+1 =0 -1)
Seventh Run, Shredder 9.1 UCI - Glaurung 2.0.1 default, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Glaurung 2.0.1 wins 2-0 (+2 =0 -0)
Eighth Run, Shredder 9.1 UCI - Glaurung 2.0.1 default, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Shredder 9.1 wins 1½-½ (+1 =1 -0)
Ninth Run, Shredder 9.1 UCI - Glaurung 2.0.1 default, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Glaurung 2.0.1 wins 2-0 (+2 =0 -0)
Tenth Run, Shredder 9.1 UCI - Glaurung 2.0.1 default, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
First Run, Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 001b, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
A draw 1-1 (+1 =0 -1)
Second Run, Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 001b, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Shredder 9.1 wins 1½-½ (+1 =1 -0)
Third Run, Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 001b, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
A draw 1-1 (+0 =2 -0)
Fourth Run, Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 001b, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Shredder 9.1 wins 1½-½ (+1 =1 -0)
Fifth Run, Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 001b, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Glaurung Mjolnir wins 2-0 (+2 =0 -0)
Sixth Run, Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 001b, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
A draw 1-1 (+0 =2 -0)
Seventh Run, Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 001b, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Shredder 9.1 wins 1½-½ (+1 =1 -0)
Eighth Run, Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 001b, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Glaurung Mjolnir wins 1½-½ (+1 =1 -0)
Ninth Run, Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 001b, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Shredder 9.1 wins 1½-½ (+1 =1 -0)
Tenth Run, Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 001b, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Glaurung Mjolnir wins 1½-½ (+1 =1 -0)
Eleventh Run, Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 001b, Shredder GUI, HS Rybka.bkt tournament mode for Glaurung, Shredder9.bkt tournament mode for Shredder, 12 minutes per game with 3 seconds Fischer increment. 64 Mb hash for both programs.
Glaurung Mjolnir wins 1½-½ (+1 =1 -0)
Intermediate Result: Shredder 9.1 UCI - Glaurung 2.0.1 Mjolnir 10½-11½
_____________________________________________________________
Comparing the two matches, Glaurung 2.0.1 won both of them! Congrats to Tord!
Glaurung 2.0.1 Mjolnir 11½/22 = 52%
Glaurung 2.0.1 default 11/20 = 55%
Difference -3% ≈ -21 elopoints in TPR this time. Not a big loss for Mjolnir. Also to be taken into account is that Shredder and Glaurung were now using a different book. This means that in the two game matches openings could not be repeated and there is more variability in the results.