Rybka 4 vs Houdini 1.02 - Long TC Match - LIVE BROADCAST

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Albert Silver
Posts: 2915
Joined: Wed Mar 08, 2006 8:57 pm
Location: Rio de Janeiro, Brazil

Re: the next match

Post by Albert Silver » Tue Jul 06, 2010 8:37 pm

S.Taylor wrote:I think the end games are played very stupidly. Rybka had an easy win, with rook exchanges, but chose a longer path.
When did Rybka have an easy win? I'm not saying it couldn't have won the endgame, as there were several interesting moments, but I find it far from easy.
"Tactics are the bricks and sticks that make up a game, but positional play is the architectural blueprint."

Martin Thoresen
Posts: 1833
Joined: Wed Jun 21, 2006 10:07 pm

Re: the next match

Post by Martin Thoresen » Tue Jul 06, 2010 8:47 pm

The match is finished, Rybka wins 26.5 to 21.5 for Houdini.

I want to thank all of you who were following the match, hope you got some interesting games in your collections. The website had 12.535 pageloads during this match, with visitors from 64 countries.

The full PGN can be downloaded from the bottom of the website.

The next match is Rybka 4 vs Stockfish 1.8 which will start this weekend. I will use the same 24 openings, so it will also be 48 games.

See you all then!

Best Regards,
Martin

Albert Silver
Posts: 2915
Joined: Wed Mar 08, 2006 8:57 pm
Location: Rio de Janeiro, Brazil

Re: the next match

Post by Albert Silver » Tue Jul 06, 2010 8:53 pm

Martin Thoresen wrote:The match is finished, Rybka wins 26.5 to 21.5 for Houdini.

I want to thank all of you who were following the match, hope you got some interesting games in your collections. The website had 12.535 pageloads during this match, with visitors from 64 countries.
Bear in mind that includes many repeats, since to refresh I had to refresh form the browser, and everytime I did that, the counter increased.
The full PGN can be downloaded from the bottom of the website.
Where?

Edit: Thanks for fixing it. :-)

And thanks for the fascinating match!
"Tactics are the bricks and sticks that make up a game, but positional play is the architectural blueprint."

Martin Thoresen
Posts: 1833
Joined: Wed Jun 21, 2006 10:07 pm

Re: the next match

Post by Martin Thoresen » Tue Jul 06, 2010 8:56 pm

Albert Silver wrote: Bear in mind that includes many repeats, since to refresh I had to refresh form the browser, and everytime I did that, the counter increased.
That's how pageloads are counted. Other stats was 3907 unique visitors.
The full PGN can be downloaded from the bottom of the website.


Where?
There there, I need at least a few minutes to use Notepad and add the link. :lol:

It's up now.

pacifist

Re: the next match

Post by pacifist » Tue Jul 06, 2010 9:01 pm

Thanks for this great match! Maybe with endgame tablebases of 6 men (not all but some critical) Rybka could have performed better and of course Houdini with tablebases has the potential to be a good candidate for 1rst place. For now Rybka seems to me the best engine at long games and for analyse purposes. I wait for next match impatiently since Stockfish plays very elegantly and dymanic :).

S.Taylor
Posts: 8458
Joined: Thu Mar 09, 2006 2:25 am
Location: Jerusalem Israel

Re: the next match

Post by S.Taylor » Tue Jul 06, 2010 9:09 pm

OK then, I got it now. Rybka knew that Houdini, (white), would and could have avoided the rook exchange, therefore it didn't bother choosing that line.

Martin Thoresen
Posts: 1833
Joined: Wed Jun 21, 2006 10:07 pm

Re: the next match

Post by Martin Thoresen » Tue Jul 06, 2010 9:10 pm

pacifist wrote:Thanks for this great match! Maybe with endgame tablebases of 6 men (not all but some critical) Rybka could have performed better and of course Houdini with tablebases has the potential to be a good candidate for 1rst place. For now Rybka seems to me the best engine at long games and for analyse purposes. I wait for next match impatiently since Stockfish plays very elegantly and dymanic :).
Thanks for your interest!

Which 6-men are the most critical?

I am using a 2 Terabyte RAID setup for my tablebases and it seems that they are pretty fast so I hardly doubt 6-men should pose any problems. It might be interesting to download a few of the most critical ones.

I agree about Houdini, it should get some sort of endgame help, for example Gaviota tablebases.

I am also awaiting the next match, I've always had a soft spot for Glaurung/Stockfish. :D

S.Taylor
Posts: 8458
Joined: Thu Mar 09, 2006 2:25 am
Location: Jerusalem Israel

Re: the next match

Post by S.Taylor » Tue Jul 06, 2010 9:18 pm

Albert Silver wrote:
S.Taylor wrote:I think the end games are played very stupidly. Rybka had an easy win, with rook exchanges, but chose a longer path.
When did Rybka have an easy win? I'm not saying it couldn't have won the endgame, as there were several interesting moments, but I find it far from easy.
I explained below that i didn't recheck it enough before posting. I made a mistake. Houdini could and would have avoided exchanging rooks, which it had to keep on at all costs.

LaurenceChen
Posts: 101
Joined: Fri Jun 09, 2006 2:58 am

Re: the next match

Post by LaurenceChen » Wed Jul 07, 2010 3:56 am

Martin Thoresen wrote:
pacifist wrote:Thanks for this great match! Maybe with endgame tablebases of 6 men (not all but some critical) Rybka could have performed better and of course Houdini with tablebases has the potential to be a good candidate for 1rst place. For now Rybka seems to me the best engine at long games and for analyse purposes. I wait for next match impatiently since Stockfish plays very elegantly and dymanic :).
Thanks for your interest!

Which 6-men are the most critical?

I am using a 2 Terabyte RAID setup for my tablebases and it seems that they are pretty fast so I hardly doubt 6-men should pose any problems. It might be interesting to download a few of the most critical ones.

I agree about Houdini, it should get some sort of endgame help, for example Gaviota tablebases.

I am also awaiting the next match, I've always had a soft spot for Glaurung/Stockfish. :D
You can try these to start:

kbppkb.0.nbb.emd
kbppkb.0.nbw.emd
kbppkb.1.nbb.emd
kbppkb.1.nbw.emd
kbppkb.2.nbb.emd
kbppkb.2.nbw.emd
kbppkb.3.nbb.emd
kbppkn.0.nbb.emd
kbppkn.0.nbw.emd
kbppkn.1.nbb.emd
kbppkn.1.nbw.emd
kbppkn.2.nbb.emd
kbppkn.2.nbw.emd
kbppkn.3.nbb.emd
kbppkr.0.nbb.emd
kbppkr.0.nbw.emd
kbppkr.1.nbb.emd
kbppkr.1.nbw.emd
kbppkr.2.nbb.emd
kbppkr.2.nbw.emd
kbppkr.3.nbb.emd
kbppkr.3.nbw.emd
kbppkr.4.nbb.emd
kbppkr.4.nbw.emd
kbppkr.5.nbb.emd
kbppkr.5.nbw.emd
kbppkr.6.nbb.emd
knppkn.0.nbb.emd
knppkn.0.nbw.emd
knppkn.1.nbb.emd
knppkn.1.nbw.emd
knppkn.2.nbb.emd
knppkn.2.nbw.emd
knppkn.3.nbb.emd
knppkr.0.nbb.emd
knppkr.0.nbw.emd
knppkr.1.nbb.emd
knppkr.1.nbw.emd
knppkr.2.nbb.emd
knppkr.2.nbw.emd
knppkr.3.nbb.emd
kppkpp.nbw.emd
kpppkb.nbb.emd
kpppkb.nbw.emd
kpppkn.nbb.emd
kpppkn.nbw.emd
kpppkp.nbb.emd
kpppkp.nbw.emd
kpppkr.nbb.emd
kpppkr.nbw.emd
kqppkq.0.nbb.emd
kqppkq.0.nbw.emd
kqppkq.1.nbb.emd
kqppkq.1.nbw.emd
kqppkq.2.nbb.emd
kqppkq.2.nbw.emd
kqppkq.3.nbb.emd
kqppkq.3.nbw.emd
kqppkq.4.nbb.emd
kqppkq.4.nbw.emd
kqppkq.5.nbb.emd
kqppkq.5.nbw.emd
kqppkq.6.nbb.emd
krpknp.0.nbb.emd
krpknp.0.nbw.emd
krpknp.1.nbb.emd
krpknp.1.nbw.emd
krpknp.2.nbb.emd
krpknp.2.nbw.emd
krpknp.3.nbb.emd
krpknp.3.nbw.emd
krpknp.4.nbb.emd
krpknp.4.nbw.emd
krpknp.5.nbb.emd
krpknp.5.nbw.emd
krpknp.6.nbb.emd
krpknp.6.nbw.emd
krpknp.7.nbb.emd
krpknp.7.nbw.emd
krpknp.8.nbb.emd
krpknp.8.nbw.emd
krpknp.9.nbb.emd
krpknp.9.nbw.emd
krpknp.a.nbb.emd
krpknp.a.nbw.emd
krpknp.b.nbb.emd
krpknp.b.nbw.emd
krpknp.c.nbb.emd
krpknp.c.nbw.emd
krpkrp.0.nbw.emd
krpkrp.1.nbw.emd
krpkrp.2.nbw.emd
krpkrp.3.nbw.emd
krpkrp.4.nbw.emd
krpkrp.5.nbw.emd
krpkrp.6.nbw.emd
krppkr.0.nbb.emd
krppkr.0.nbw.emd
krppkr.1.nbb.emd
krppkr.1.nbw.emd
krppkr.2.nbb.emd
krppkr.2.nbw.emd
krppkr.3.nbb.emd
kbpkbp.0.nbw.emd
kbpkbp.1.nbw.emd
kbpkbp.2.nbw.emd
kbpkbp.3.nbw.emd
kbpkbp.4.nbw.emd
kbpkbp.5.nbw.emd
kbpkbp.6.nbw.emd
kbpknp.0.nbb.emd
kbpknp.0.nbw.emd
kbpknp.1.nbb.emd
kbpknp.1.nbw.emd
kbpknp.2.nbb.emd
kbpknp.2.nbw.emd
kbpknp.3.nbb.emd
kbpknp.3.nbw.emd
kbpknp.4.nbb.emd
kbpknp.4.nbw.emd
kbpknp.5.nbb.emd
kbpknp.5.nbw.emd
kbpknp.6.nbb.emd
kbpknp.6.nbw.emd
kbpknp.7.nbb.emd
kbpknp.7.nbw.emd
kbpknp.8.nbb.emd
kbpknp.8.nbw.emd
kbpknp.9.nbb.emd
kbpknp.9.nbw.emd
kbpknp.a.nbb.emd
kbpknp.a.nbw.emd
kbpknp.b.nbb.emd
kbpknp.b.nbw.emd
kbpknp.c.nbb.emd
kbpknp.c.nbw.emd
kbpkpp.0.nbb.emd
kbpkpp.0.nbw.emd
kbpkpp.1.nbb.emd
kbpkpp.1.nbw.emd
kbpkpp.2.nbb.emd
kbpkpp.2.nbw.emd
kbpkpp.3.nbb.emd
kbpkpp.3.nbw.emd
kbpkpp.4.nbb.emd
kbpkpp.4.nbw.emd
knpknp.0.nbw.emd
knpknp.1.nbw.emd
knpknp.2.nbw.emd
knpknp.3.nbw.emd
knpknp.4.nbw.emd
knpknp.5.nbw.emd
knpknp.6.nbw.emd
knpkpp.0.nbb.emd
knpkpp.0.nbw.emd
knpkpp.1.nbb.emd
knpkpp.1.nbw.emd
knpkpp.2.nbb.emd
knpkpp.2.nbw.emd
knpkpp.3.nbb.emd
knpkpp.3.nbw.emd
knpkpp.4.nbb.emd
knpkpp.4.nbw.emd
knppkb.0.nbb.emd
knppkb.0.nbw.emd
knppkb.1.nbb.emd
knppkb.1.nbw.emd
knppkb.2.nbb.emd
knppkb.2.nbw.emd
knppkb.3.nbb.emd
kqpkqp.0.nbw.emd
kqpkqp.1.nbw.emd
kqpkqp.2.nbw.emd
kqpkqp.3.nbw.emd
kqpkqp.4.nbw.emd
kqpkqp.5.nbw.emd
kqpkqp.6.nbw.emd
kqpkqp.7.nbw.emd
kqpkqp.8.nbw.emd
kqpkqp.9.nbw.emd
kqpkqp.a.nbw.emd
kqpkqp.b.nbw.emd
kqpkrp.0.nbb.emd
kqpkrp.0.nbw.emd
kqpkrp.1.nbb.emd
kqpkrp.1.nbw.emd
kqpkrp.2.nbb.emd
kqpkrp.2.nbw.emd
kqpkrp.3.nbb.emd
kqpkrp.3.nbw.emd
kqpkrp.4.nbb.emd
kqpkrp.4.nbw.emd
kqpkrp.5.nbb.emd
kqpkrp.5.nbw.emd
kqpkrp.6.nbb.emd
krbkrp.0.nbb.emd
krbkrp.0.nbw.emd
krbkrp.1.nbb.emd
krbkrp.1.nbw.emd
krbkrp.2.nbb.emd
krbkrp.2.nbw.emd
krbkrp.3.nbb.emd
krbkrp.3.nbw.emd
krbkrp.4.nbb.emd
krbkrp.4.nbw.emd
krbkrp.5.nbb.emd
krbkrp.5.nbw.emd
krbkrp.6.nbb.emd
krbkrp.6.nbw.emd
krbkrp.7.nbb.emd
krbkrp.7.nbw.emd
krbkrp.8.nbw.emd
krpkbp.0.nbb.emd
krpkbp.0.nbw.emd
krpkbp.1.nbb.emd
krpkbp.1.nbw.emd
krpkbp.2.nbb.emd
krpkbp.2.nbw.emd
krpkbp.3.nbb.emd
krpkbp.3.nbw.emd
krpkbp.4.nbb.emd
krpkbp.4.nbw.emd
krpkbp.5.nbb.emd
krpkbp.5.nbw.emd
krpkbp.6.nbb.emd
krpkbp.6.nbw.emd
krpkbp.7.nbb.emd
krpkbp.7.nbw.emd
krpkbp.8.nbb.emd
krpkbp.8.nbw.emd
krpkbp.9.nbb.emd
krpkbp.9.nbw.emd
krpkbp.a.nbb.emd
krpkbp.a.nbw.emd
krpkbp.b.nbb.emd
krpkbp.b.nbw.emd
krpkbp.c.nbb.emd
krpkbp.c.nbw.emd

User avatar
M ANSARI
Posts: 3466
Joined: Thu Mar 16, 2006 6:10 pm

Re: the next match

Post by M ANSARI » Wed Jul 07, 2010 7:24 am

I am not sure about other games, but most certainly in the last game R4 had an easy win. I don't think it has anything to do with bad rook endgame play, but rather a bug that seems to affect some moves by R4 in the endgame. It tends to stall search and thus a poor move is produced. It is possible this is not due to R4 but due to instability of Houdini 1.02, but of course it could simply be a hash bug by R4.

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