Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Rybka 1.01 Beta 13 b First impressions

Author: M Hurd

Date: 09:52:24 01/29/06

Go up one level in this thread


On January 29, 2006 at 09:30:45, Albert Silver wrote:

>On January 29, 2006 at 08:32:13, Vasik Rajlich wrote:
>
>>On January 28, 2006 at 16:50:28, Albert Silver wrote:
>>
>>>On January 28, 2006 at 14:06:00, M Hurd wrote:
>>>
>>>>It seems that 13 b's search has been speeded up. On some test positions it seems
>>>>to get through the plys slightly quicker than previous versions and will
>>>>sometimes find the solution 1 ply earlier. For the testing of positions with
>>>>previous versions of Rybka the search soundness setting Ultrasolid appeared from
>>>>limited testing to be better than solid, however with 13b solid seems better,
>>>>what do others here think ? Whether this is true with games only time will tell.
>>>>
>>
>>I am 99.9% sure that ultrasolid is either better than solid in all of the Betas,
>>or worse than solid in all of the Betas.
>
>Perhaps a 4th opponent is necessary. In my testing, UltraSolid scores a bit
>better with Fritz 9, about the same against Hiarcs 10, and worse against Fruit
>2.2. Worse enough that it kills whatever it gains from Fritz 9 and then some, so
>that after the 150 games of the 3 matches it actually does a fraction worse.
>This has happened twice though. Maybe I'll try one of its most difficult
>opponents in my previous testing: Gambit Fruit 4bx, and see what happens.
>
>                                          Albert
>
>>
Ok I'll do the same. I here what vasik says and he is the author. I bet you can
sense a but coming on, have a look at this:

http://www.talkchess.com/forums/1/message.html?481879

That was Beta12 now lets look at Beta13b.

New game - Rybka 1.02 Beta13b 32 bit
r3r1k1/1bq2np1/1p1ppp1p/7B/nPP1PP1N/6P1/4Q2P/B1R1R1K1 w - - 0 1

Analysis by Rybka 1.01 Beta 13b 32-bit:Default Settings

1.Bd4
  =  (-0.05)   Depth: 3   00:00:00
1.Qg4
  ²  (0.36)   Depth: 3   00:00:00
1.Qg4
  ²  (0.45)   Depth: 4   00:00:00
1.Qg4 Qe7
  ²  (0.47)   Depth: 5   00:00:00
1.Qg4 Qe7 2.Bd4
  ²  (0.47)   Depth: 6   00:00:00  9kN
1.Qg4 Qe7 2.Bd4 Ra7
  ²  (0.49)   Depth: 7   00:00:00  25kN
1.Qg4 Qe7 2.Bd4 Ra7 3.Ra1
  ²  (0.54)   Depth: 8   00:00:02  87kN
1.Qg4 Qe7 2.Bd4 Bc6 3.Rc2 Ra7
  ²  (0.53)   Depth: 9   00:00:03  141kN
1.Qg4 Qe7 2.Bd4 Bc6 3.Ra1 b5 4.Ng6
  ²  (0.59)   Depth: 10   00:00:09  426kN
1.Qg4 Qe7 2.Bd4 Bc6 3.Ra1 b5 4.Ng6 Qd8
  ²  (0.63)   Depth: 11   00:00:19  875kN
1.Qg4 Qe7 2.Bd4 Rac8 3.f5 e5 4.Be3 Nb2 5.Qe2
  ²  (0.59)   Depth: 12   00:00:27  1253kN
1.Qg4 Qe7 2.Bd4 Rac8 3.f5 e5 4.Be3 Nb2 5.Qe2 Na4
  ²  (0.62)   Depth: 13   00:01:01  2781kN
1.Qg4 Qe7 2.Rc2 Bc6 3.Rd2 Bb7 4.Bd4 Ba6 5.Rc2
  ²  (0.69)   Depth: 14   00:02:30  6919kN
1.Qg4 Qe7 2.Rc2 Bc6 3.Rd2 Bb7 4.Bd4 Ba6 5.Rc2 Bb7 6.Ra2
  ²  (0.69)   Depth: 15   00:04:32  12476kN
1.Bxf6 gxf6 2.Qg4+ Kh8 3.Qg6 Re7 4.Qxf6+ Kg8 5.Bg4 Bc8 6.Qg6+ Kh8 7.f5 exf5
  ±  (0.87)   Depth: 15   00:05:12  14391kN

New game - Rybka 1.01 Beta 13b 32-bit
r3r1k1/1bq2np1/1p1ppp1p/7B/nPP1PP1N/6P1/4Q2P/B1R1R1K1 w - - 0 1

Analysis by Rybka 1.01 Beta 13b 32-bit:

1.Bd4
  =  (-0.05)   Depth: 3   00:00:00
1.Qg4
  ²  (0.36)   Depth: 3   00:00:00
1.Qg4
  ²  (0.45)   Depth: 4   00:00:00
1.Qg4 Qe7
  ²  (0.47)   Depth: 5   00:00:00
1.Qg4 Qe7 2.Bd4
  ²  (0.47)   Depth: 6   00:00:00  11kN
1.Qg4 Qe7 2.Bd4 Ra7
  ²  (0.49)   Depth: 7   00:00:00  30kN
1.Qg4 Qe7 2.Bd4 Ra7 3.Ra1
  ²  (0.54)   Depth: 8   00:00:01  84kN
1.Qg4 Qe7 2.Bd4 Bc6 3.Rc2 Ra7
  ²  (0.53)   Depth: 9   00:00:04  208kN
1.Qg4 Qe7 2.Bd4 Bc6 3.Ra1 b5 4.Ng6
  ²  (0.59)   Depth: 10   00:00:08  415kN
1.Qg4 Qe7 2.Bd4 Rac8 3.f5 e5 4.Be3 Nb2
  ²  (0.64)   Depth: 11   00:00:16  837kN
1.Qg4 Qe7 2.Bd4 Rac8 3.f5 e5 4.Be3 Nb2 5.Qe2
  ²  (0.59)   Depth: 12   00:00:27  1411kN
1.Qg4 Qe7 2.Rc2 Rac8 3.Ra2 Ra8 4.Bd4 Bc6 5.b5 Bd7
  ²  (0.63)   Depth: 13   00:01:27  4326kN
1.Qg4 Qe7 2.Rc2 Bc8 3.Ra2 Rd8 4.Ng6 Qc7 5.Bxf6 gxf6 6.Ne7+ Kh8 7.Bxf7
  ±  (0.72)   Depth: 14   00:03:52  11107kN
1.Qg4 Qe7 2.Rc2 Rac8 3.Ra2 Ra8 4.Bd4 Bc6 5.Rea1 b5 6.Ng6 Qd8
  ±  (0.72)   Depth: 15   00:05:53  16702kN
1.Qg4 Qe7 2.Rc2 Rac8 3.Ra2 Ra8 4.Bd4 Bc8 5.f5 e5 6.Be3 Bd7 7.Rc1
  ²  (0.69)   Depth: 16   00:08:57  24868kN
1.Bxf6 gxf6 2.Qg4+ Kh8 3.Qg6 Re7 4.Qxf6+ Kg8 5.Bg4 Bc8 6.Qg6+ Kh8 7.f5 Ne5
  ±  (1.10)   Depth: 16   00:10:56  30304kN

Regards

Mike



This page took 0.01 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.