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Subject: Re: Tiger 14 cannot play endgames (not the first game) !

Author: Sune Larsson

Date: 03:20:01 09/04/01

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On September 04, 2001 at 06:04:14, Eduard Nemeth wrote:

>On September 04, 2001 at 05:06:32, José Carlos wrote:
>
>>On September 04, 2001 at 04:39:13, Eduard Nemeth wrote:
>>
>>>After Fritz 6c , I played today this "two knights" opening, against Tiger 14
>>>on Blitz 30' Level.
>>>
>>>But, Tiger 14 losing in pawn endgame! :-(
>>>
>>>Chess Tiger 14.0 - Nemeth,E [C56]
>>>Stufe=Blitz:30'., 2001
>>>
>>> 48MB, general.ctg. P600
>>> 1.e4 0 1...e5 2 2.Sf3 0 2...Sc6 2 3.Lc4 0 3...Sf6 3 4.d4 0 4...exd4 1 5.0-0 0
>>>5...Sxe4 3 6.Te1 0 6...d5 1 7.Lxd5 0 7...Dxd5 1 8.Sc3 0 8...Dh5 1 9.Sxe4 0
>>>9...Le7 3 10.Lg5 0 10...Lg4 1 11.Lxe7 0.70/12 30 11...Lxf3 4 12.Sf6+ 0.76/12 34
>>>12...gxf6 3 13.Lxf6+ 0.00/13 32 13...Kd7 3 14.Dxf3 -0.19/13 33 14...Dxf3 4
>>>15.gxf3 -0.22/15 37 15...Thg8+ 3 16.Kf1 -0.22/15 60 16...Tg6 3 17.Lh4 -0.06/14
>>>68 17...f5 31 18.Tad1 -0.04/13 54 18...Tf8 81 19.f4 0.14/13 46 19...Td6 22 20.f3
>>>0.12/13 34 20...Te8 18 21.Txe8 0.36/15 34 21...Kxe8 3 22.Lf2 0.32/14 47 22...Sb4
>>>36 23.Txd4 0.26/16 53 23...Txd4 3 24.Lxd4 -0.04/15 7 24...Sxc2 10 25.Lxa7
>>>-0.14/17 56 25...b6 3 26.a4 -0.04/19 55 26...Se3+ 13 27.Ke2 -0.08/18 37 27...Sd5
>>>2 28.a5 -0.04/17 40 28...bxa5 9 29.Le3 -0.14/18 25 29...Sxe3 4 30.Kxe3 -0.16/18
>>>7 30...c5 2 31.Kd3 -0.14/21 31 31...Kd7 2 32.Kc4 -0.18/20 44 32...Kc6 3 33.b3
>>>-1.80/22 125 33...Kb6 10 34.h3 -1.80/21 25 34...h6 18 35.h4 -2.06/23 151 35...h5
>>>2 36.Kd3 -3.92/23 200 36...Kb5 3 37.Kd2 -25.93/20 33 37...c4 7 38.Kc3 -13.71/17
>>>18 38...cxb3 6 0-1
>>>
>>>
>>>[Event "Stufe=Blitz:30'."]
>>>[Site "?"]
>>>[Date "2001.??.??"]
>>>[Round "?"]
>>>[White "Chess Tiger 14.0"]
>>>[Black "Nemeth,Eduard"]
>>>[ECO "C56"]
>>>[Result "0-1"]
>>>
>>>1. e4 {0} e5 {2} 2. Nf3 {0} Nc6 {2} 3. Bc4 {0} Nf6 {3}
>>>4. d4 {0} exd4 {1} 5. O-O {0} Nxe4 {3} 6. Re1 {0} d5 {1}
>>>7. Bxd5 {0} Qxd5 {1} 8. Nc3 {0} Qh5 {1} 9. Nxe4 {0} Be7 {3}
>>>10. Bg5 {0} Bg4 {1} 11. Bxe7 {0.70/12 30} Bxf3 {4} 12. Nf6+
>>>{0.76/12 34} gxf6 {3} 13. Bxf6+ {0.00/13 32} Kd7 {3}
>>>14. Qxf3 {-0.19/13 33} Qxf3 {4} 15. gxf3 {-0.22/15 37}
>>>Rhg8+ {3} 16. Kf1 {-0.22/15 60} Rg6 {3} 17. Bh4 {-0.06/14
>>>68} f5 {31} 18. Rad1 {-0.04/13 54} Rf8 {81} 19. f4 {0.14/13
>>>46} Rd6 {22} 20. f3 {0.12/13 34} Re8 {18} 21. Rxe8 {0.36/15
>>>34} Kxe8 {3} 22. Bf2 {0.32/14 47} Nb4 {36} 23. Rxd4
>>>{0.26/16 53} Rxd4 {3} 24. Bxd4 {-0.04/15 7} Nxc2 {10}
>>>25. Bxa7 {-0.14/17 56} b6 {3} 26. a4 {-0.04/19 55} Ne3+
>>>{13} 27. Ke2 {-0.08/18 37} Nd5 {2} 28. a5 {-0.04/17 40}
>>>bxa5 {9} 29. Be3 {-0.14/18 25} Nxe3 {4} 30. Kxe3 {-0.16/18
>>>7} c5 {2} 31. Kd3 {-0.14/21 31} Kd7 {2} 32. Kc4 {-0.18/20
>>>44} Kc6 {3} 33. b3 {-1.80/22 125} Kb6 {10} 34. h3 {-1.80/21
>>>25} h6 {18} 35. h4 {-2.06/23 151} h5 {2} 36. Kd3 {-3.92/23
>>>200} Kb5 {3} 37. Kd2 {-25.93/20 33} c4 {7} 38. Kc3
>>>{-13.71/17 18} cxb3 {6} 0-1
>>>
>>>
>>>[D]4k3/ppp4p/8/5p2/3B1P2/5P2/PPn4P/5K2 w - -
>>>
>>>Here played Tiger 14.0 25.Bxa7 ?? :-(
>>>
>>>Chess Tiger 14.0 - Nemeth,E
>>>
>>>Analysis by Tiger 14.0:
>>>
>>>25.Lxa7 b6 26.a4 Kd7 27.Kf2 Sb4 28.a5 bxa5 29.Ld4 Sd5
>>>  =  (0.06)   Tiefe: 11   00:00:00  101kN
>>>25.Lxa7 b6 26.a4 Kd7 27.h4 Sb4 28.a5 bxa5 29.Ke2 Sd5 30.Le3
>>>  =  (-0.10)   Tiefe: 11   00:00:00  107kN
>>>25.Lxa7 b6 26.a4 Kd7 27.a5 bxa5 28.Ke2 Kd6 29.h4 Sb4 30.Ld4 Sc6
>>>  =  (-0.06)   Tiefe: 12   00:00:00  199kN
>>>25.Lxa7 b6 26.a4 Kd7 27.a5 bxa5 28.Ke2 Kd6 29.Lf2 Sb4 30.Ld4 Sc6 31.Lf6
>>>  =  (-0.08)   Tiefe: 13   00:00:01  339kN
>>>25.Lxa7 b6 26.a4 Kd7 27.a5 bxa5 28.Ke2 Kd6 29.Lf2 Sb4 30.Lg3 c5 31.Ke3 Sd5+
>>>32.Kd3
>>>  =  (-0.06)   Tiefe: 14   00:00:02  656kN
>>>25.Lxa7 b6 26.a4 Kd7 27.a5 bxa5 28.Ke2 Kd6 29.Lf2 Sb4 30.Lg3 c5 31.Ke3 Sd5+
>>>32.Kd3 h5
>>>  =  (-0.06)   Tiefe: 15   00:00:04  1032kN
>>>25.Lxa7 b6 26.a4 Kd7 27.a5 bxa5 28.Ke2 Ke6 29.Lf2 Sb4 30.Ld4 a4 31.Le5 c5 32.Ke3
>>>a3 33.bxa3
>>>  =  (-0.04)   Tiefe: 16   00:00:07  1787kN
>>>25.Lxa7 b6 26.a4 Se3+ 27.Ke2 Sd5 28.a5 bxa5 29.Le3 Sxe3 30.Kxe3 Kd7 31.h4 h5
>>>32.Kd4 Kd6 33.Kd3
>>>  =  (-0.14)   Tiefe: 17   00:00:17  4129kN
>>>25.Lxa7 b6 26.a4 Se3+ 27.Ke2 Sd5 28.a5 bxa5 29.Le3 Sxe3 30.Kxe3 c5 31.h4 h5
>>>32.Kd3 Kd7 33.Kc4 Kc6 34.b3 Kd6
>>>  =  (-0.16)   Tiefe: 18   00:01:16  17924kN
>>>25.Lxa7 b6 26.a4 Se3+ 27.Ke2 Sd5 28.a5 bxa5 29.Le3 Sxe3 30.Kxe3 c5 31.h4 h5
>>>32.Kd3 Kd7 33.Kc4 Kc6 34.Kd3 Kd6
>>>  =  (-0.16)   Tiefe: 19   00:03:12  45980kN
>>>
>>>Oh no,
>>>
>>>Eduard
>>
>>  I can't believe Tiger plays such a bad move. Here's Averno's thinking:
>>
>>Averno v0.33 alfa
>>(c) 1999-2001 Jose Carlos Martinez Galan
>>
>>
>>go
>>Tiempo esperado: 142857142.842857
>>
>>Prof	Eval	Tiempo	  Nodos   PV
>>----	----	------	--------- ------
>>1	0.88	0.01	       1  d4a7
>>1	0.88	0.01	      22--d4a7
>>2	0.85	0.02	      48  d4a7 b7b6
>>2	0.85	0.02	     115--d4a7 b7b6
>>3	0.85	0.02	     193  ++ d4a7
>>3	1.13	0.02	     315  d4a7 c2b4 a7b8
>>3	1.13	0.03	     411--d4a7 c2b4 a7b8
>>4	1.08	0.03	     793  d4a7 c2b4 a7b8 b4d5
>>4	1.08	0.03	    1054--d4a7 c2b4 a7b8 b4d5
>>5	1.08	0.04	    2615  d4a7 c2b4 a2a3 b4d5 a7b8
>>5	1.08	0.04	    3373--d4a7 c2b4 a2a3 b4d5 a7b8
>>6	1.07	0.05	    5915  d4a7 c2b4 a2a3 b4d5 a7b8 e8f7
>>6	1.07	0.06	    7179--d4a7 c2b4 a2a3 b4d5 a7b8 e8f7
>>7	0.30	0.09	   16703  d4a7 c2b4 a2a3 b4d5 a7f2 d5f4 a7d4
>>7	0.30	0.12	   26394--d4a7 c2b4 a2a3 b4d5 a7f2 d5f4 -
>>8	0.26	0.15	   38384  d4a7 c2b4 a2a3 b4d5 a7f2 d5f4 f2e3 f4d5
>>8	0.26	0.22	   67926--d4a7 c2b4 a2a3 b4d5 a7f2 d5f4 f2e3 f4d5
>>9	0.28	0.31	  101382  d4a7 c2b4 a2a3 b4d5 a7d4 d5f4 b2b4 f4d5 c5d4
>>9	0.28	0.37	  126847--d4a7 c2b4 a2a3 b4d5 a7d4 d5f4 b2b4 f4d5 -
>>10	0.21	0.98	  350007  d4a7 b7b6 a2a4 c2e3 f1e2 e3d5 a7b8 e8d7 e2d3 d7d6
>>10	0.21	2.62	  969758--d4a7 b7b6 a2a4 c2e3 f1e2 e3d5 a7b8 e8d7 e2d3 d7d6
>>11	0.13	3.16	 1175408  d4a7 b7b6 a7b8 e8d7 b8c7 e3d5 a7b8 e8d8 g1g2 d5f4 a7b8
>>11	0.17	6.78	 2569291  ++ d4c3
>>11	0.17	6.79	 2569291  d4c3 c7c5 b2b3 e3d5 c3e5 e8f7 g1f2 f7e6 f2g3 f7e6 b2b3
>>11	0.18	9.10	 3439528  ++ d4h8
>>11	0.18	9.10	 3439528  d4h8 c2b4 f1f2 e3d5 f2g3 d5e3 f1e2 e6d5 e5c3 c2d4 e5b2
>>11	0.19	12.89	 4852198  ++ d4e5
>>11	0.19	12.89	 4852198  d4e5 e8d7 a2a4 b4d5 f1f2 e8f7 f2g3 f7g6 f2g3 f7e6 b2b4
>>11	0.19	13.17	 4981641--d4e5 e8d7 a2a4 -
>>12	0.19	17.59	 6674792  d4e5 e8d7 f1e2 c7c5 a2a3 -
>>12	0.19	21.21	 8172273--d4e5 e8d7 f1e2 c7c5 a2a3 -
>>13	0.19	37.53	14492929  d4e5 c7c5 f1e2 a7a6 b8d6 b7b6 d6e5 c2d4 d6e5 c2e3 f1e2
>>e3d5 e2d3
>>13	0.19	41.40	16169827--d4e5 c7c5 f1e2 a7a6 -
>>14	0.19	60.79	23962745  d4e5 c7c5 f1e2 e8e7 e2d2 a7a5 b8e5 c2b4 a2a4 e7e6 e2e3
>>b4d5 e3d3 f1h2
>>14	0.19	73.50	29335142--d4e5 c7c5 f1e2 e8e7 e2d2 a7a5 -
>>15	0.19	74.38	29700007--d4e5 c7c5 f1e2 e8e7 e2d2 a7a5 -
>>
>>;Mi jugada (26) es: d4e5;
>>Tiempo restante: 9999999924.62
>>Totales: Visitados: 29700007   Nulos: 3100700   Cortes Nulos: 1783552
>>Hash exactos: 1525   UBounds: 267678   LBounds: 3722424   Fallos: 40821599
>>Hash grabaciones: 9896586 (100%)  No grabaciones: 6096296
>>Extensiones: Jaque: 557329  Recaptura: 127657  Null: 0  Podas Futility: 87788
>>Cortes Beta: 6156684  Cortes Beta Primera: 5726974  (93%)
>>Por segundo: Visitados: 399172
>
>Thanks!
>
>Christophe Theron says: " I will make the best program of the world, basta!"
>(Sprechstunde CSS)
>
>Ok, Christophe I hope this!
>
>But in my opinion, Tiger have problems in the endgames, sorry!
>
>Now in german: was nützt es denn, viele Autoplayer Partien durch die Betateser
>spielen zu lassen um zu sehen ob Programm X gegen Programm Y abschneidet.
>
>Aufgrund von REINEN Computerpartien wird man ein Programm kaum viel verbessern
>können - nur meine Meinung!
>
>Viel aufschlussreicher sind Partien gegen MENSCHEN + deren Analysen zu diesen
>Partien!
>
>Eduard

 You are correct here Eduard. I have also seen Tiger trading down to
 lost endgames - or allowing this trade to happen. I also think that there
 is limited progress to make with just comp-comp games - and that games
 vs humans + analyses could be very fruitful. Surely there is no need
 for chasing GM:s in this respect... The programmers need distinct patterns
 of losses - and then help to pinpoint exactly the theme of the loss.
 I especially like the two latest games you posted here, since they derived
 from normal openings.

 Sune




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