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Subject: Re: amazing move from Rybka in blitzgame

Author: Vincent Lejeune

Date: 15:17:32 12/06/05

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TogaII is known to sac the exchange more often than others engine. Rybka seems
to do the same. The sac exchange in middle game is really hard to estimate, you
often get a more active piece (B or N) instead of a blockes rook. Other engines
have simpler estimation and simply decide to not give material !

Thanks,
Vincent

On December 06, 2005 at 17:49:29, Martin Andersen2 wrote:

>On December 06, 2005 at 17:31:20, Thomas Lagershausen wrote:
>
>>On December 06, 2005 at 17:10:17, Vincent Lejeune wrote:
>>
>>>
>>>Some games of new genius to see his style against a GM
>>>
>>>Beast is   : Rybka 1.0 beta
>>>Revisor is : Alexei Korotylev
>>>
>>>[Event "ICC 3 0"]
>>>[Site "Internet Chess Club"]
>>>[Date "2005.12.06"]
>>>[Round "-"]
>>>[White "Beast"]
>>>[Black "Revisor"]
>>>[Result "1-0"]
>>>[ICCResult "Black resigns"]
>>>[WhiteElo "3534"]
>>>[BlackElo "3121"]
>>>[Opening "Caro-Kann defense"]
>>>[ECO "B11"]
>>>[NIC "CK.01"]
>>>[Time "15:24:20"]
>>>[TimeControl "180+0"]
>>>
>>>1. e4 c6 2. Nc3 d6 3. Nf3 Bg4 4. Bc4 e6 5. h3 Bh5 6. O-O Nd7 7. d4 Ngf6 8.
>>>d5 cxd5 9. exd5 e5 10. Be2 Be7 11. Nh4 Bg6 12. Nxg6 hxg6 13. Be3 a6 14. a4
>>>O-O 15. a5 Qc8 16. Ra4 Re8 17. Rc4 Qb8 18. b4 Bd8 19. Bg4 b6 20. Bxd7 Nxd7
>>>21. axb6 Bxb6 22. Qd3 a5 23. b5 Bxe3 24. fxe3 Nc5
>>[D]rq2r1k1/5pp1/3p2p1/pPnPp3/2R5/2NQP2P/2P3P1/5RK1 w - - 1 25
>>25. Rxc5! dxc5 26. Qc4 Qc7
>>>27. Ne4 Rad8 28. d6 Qd7 29. Ng5 {Black resigns} 1-0
>>
>>I got no results on Athlon 3800+ with 2min./move !! from
>>
>>Shredder9, Ruffian 2.1, ProDeo 1.1,Gandalf 6, Crafty 19.07
>>
>>and still testing
>>
>>This is amazing !
>
>Toga II 1.1a immediately plays Rxc5
>
>
>Toga II 1.1a:
>  1/3	00:00	           4	0	-5.85	Rf1a1 Nc5xd3 c2xd3
>  1/3	00:00	          10	0	-5.80	Rf1c1 Nc5xd3 c2xd3
>  1/3	00:00	          20	0	-5.76	Rf1f2 Nc5xd3 c2xd3
>  1/5	00:00	          53	0	-5.69	Kg1h2 Nc5xd3 c2xd3
>  1/8	00:00	          97	0	+0.26	Qd3d1
>  1/8	00:00	          98	0	+0.41	Qd3d2
>  2/8	00:00	         211	0	+0.55	Qd3d2 Qb8c7
>  3/8	00:00	         593	0	+0.42	Qd3d2 g6g5 Kg1h1
>  3/8	00:00	         898	0	+0.51	Qd3e2 Qb8d8 Nc3e4
>  4/12	00:00	       2.868	0	+0.48	Qd3e2 a5a4 Rc4h4 a4a3
>  5/12	00:00	       6.211	0	+0.38	Qd3e2 a5a4 Nc3e4 Nc5xe4 Rc4xe4 a4a3
>  6/14	00:01	      16.436	0	+0.44	Qd3e2 a5a4 Qe2f2 Qb8b7 Qf2h4 f7f5
>  7/14	00:01	      29.175	0	+0.30	Qd3e2 a5a4 Qe2f2 Qb8b7 b5b6 f7f5 Rc4b4
>  7/18	00:01	      62.111	0	+0.55	Rc4xc5 d6xc5 Qd3c4 Re8c8 Nc3e4 a5a4 d5d6 Ra8a7
>  8/20	00:01	     110.987	0	+0.32	Rc4xc5 d6xc5 Qd3c4 Re8d8 Nc3e4 Qb8b6 d5d6
>Ra8a7 Kg1h2
>  9/22	00:02	     258.697	0	+0.23	Rc4xc5 d6xc5 Qd3c4 Re8c8 Kg1h2 Ra8a7 Nc3e4
>a5a4 Ne4xc5 a4a3
> 10/30	00:02	     825.254	426.165	+0.18	Rc4xc5 d6xc5 Nc3e4 Qb8b6 d5d6 Re8e6
>Qd3c4 Ra8a7 Rf1xf7 Ra7xf7 Qc4xe6 Qb6xb5 Qe6xe5
> 11/30	00:04	   1.776.481	470.474	+0.13	Rc4xc5 d6xc5 d5d6 Re8d8 Nc3e4 Ra8a7
>Qd3d5 Qb8xb5 Ne4xc5 Qb5e2 Qd5xe5 Qe2xc2
> 12/32	00:08	   4.018.576	512.784	 0.00	Rc4xc5 d6xc5 Nc3e4 a5a4 d5d6 a4a3 Qd3d5
>a3a2 Qd5xf7+ Kg8h8 Qf7xg6 a2a1Q Qg6h5+ Kh8g8 Qh5f7+ Kg8h8 Qf7h5+
> 13/39	00:18	   9.371.444	526.469	+0.27	Rc4xc5 d6xc5 Qd3c4 Qb8d8 Nc3e4 f7f5
>Ne4xc5 Qd8d6 Nc5e6 Ra8c8 Qc4d3 a5a4 Rf1a1 e5e4
> 14/39	00:25	  13.393.340	536.871	+0.25	Rc4xc5 d6xc5 Qd3c4 Qb8d8 Nc3e4 f7f5
>Ne4xc5 Qd8d6 Nc5e6 Ra8c8 Qc4d3 a5a4 e3e4 f5f4 c2c4
> 15/40	00:44	  23.924.655	545.065	+0.23	Rc4xc5 d6xc5 Qd3c4 Qb8d8 Nc3e4 f7f5
>Ne4xc5 Qd8d6 Nc5e6 Ra8c8 Qc4d3 a5a4 e3e4 f5f4 Rf1a1 Qd6b6+ Kg1h2
> 16/41	01:35	  48.454.411	511.444	+0.28	Rc4xc5 d6xc5 Qd3c4 e5e4 d5d6 Qb8xd6
>Qc4xf7+ Kg8h8 Rf1f4 g6g5 Nc3xe4 Qd6h6 Rf4g4 Ra8d8 Kg1h2 a5a4 Qf7c4 Rd8d1 Rg4xg5



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