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Subject: Re: Test position: Corzo-Capablanca; Pro Deo 1.0 in 37s

Author: Joerg Oster

Date: 03:08:49 10/31/04

Go up one level in this thread


On October 31, 2004 at 02:38:48, Kurt Utzinger wrote:

>Corzo-Capablanca, Havana, m 1900 (8)
>To find is 13...Qb6!
>[D]r1b2bnr/ppp2k2/7p/2qP4/3Q1p1P/6p1/PPP1N1P1/R1B2BKR b - - 0 13
>
>[Event "Kuba-ch"]
>[Site "Havana"]
>[Date "1900.??.??"]
>[Round "8"]
>[White "Corzo y Principe, Jua"]
>[Black "Capablanca, Jose"]
>[Result "0-1"]
>[ECO "C25"]
>[PlyCount "52"]
>
>1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5 h6 7. Nxf7 Kxf7 8. d4
>d5 9. exd5 Qe7+ 10. Kf2 g3+ 11. Kg1 Nxd4 12. Qxd4 Qc5 13. Ne2 Qb6 {A fine move
>with the threat Bc5 and the idea to force the exchange of queens when black's
>a8-rook comes at once into play; Ein feiner Zug mit der Drohung Lc5 und der
>Idee, Damentausch zu erzwingen, wonach der schwarze a8-Turm sofort ins Spiel
>kommt} 14. Qxb6 axb6 15. Nd4 Bc5 16. c3 Ra4 17. Be2 Bxd4+ 18. cxd4 Rxd4 19. b3
>Nf6 20. Bb2 Rd2 21. Bh5+ Nxh5 22. Bxh8 f3 23. gxf3 Nf4 24. Be5 Rg2+ 25. Kf1
>Rf2+ 26. Ke1 Nd3+ 0-1


Hello Kurt,

here the analysis of my Pro Deo 1.0 (on Athlon XP2400+, 400 MB Hash, own
settings):

Neue Partie,
r1b2bnr/ppp2k2/7p/2qP4/3Q1p1P/6p1/PPP1N1P1/R1B2BKR b - - 0 1

Analysis by Pro Deo 1.0:

13...Dc5xd4+ 14.Se2xd4
  =  (0.15)   Tiefe: 1   00:00:00
13...Dc5xd4+ 14.Se2xd4 Lf8-c5 15.c2-c3 Lc5xd4+ 16.c3xd4
  ³  (-0.32)   Tiefe: 2   00:00:00
13...Dc5xd4+ 14.Se2xd4 Lf8-c5 15.c2-c3 Lc5xd4+
  ³  (-0.32)   Tiefe: 3   00:00:00
13...Dc5xd4+ 14.Se2xd4 Lf8-c5 15.c2-c3 Lc5xd4+ 16.c3xd4
  ³  (-0.32)   Tiefe: 4   00:00:00
13...Lc8-g4
  ³  (-0.32)   Tiefe: 4   00:00:00
13...Dc5xd4+ 14.Se2xd4 Lf8-c5 15.c2-c3 Lc5xd4+ 16.c3xd4
  ³  (-0.32)   Tiefe: 4   00:00:00
13...Dc5xd4+ 14.Se2xd4 Lf8-g7 15.c2-c3 Lg7xd4+ 16.c3xd4 f4-f3 17.g2xf3
  =  (0.23)   Tiefe: 5   00:00:00
13...Lf8-d6 14.Lc1-e3 Dc5xd4 15.Le3xd4 Sg8-f6
  =  (0.02)   Tiefe: 5   00:00:00
13...Lf8-d6 14.Lc1-e3 Dc5xd4 15.Le3xd4 Sg8-f6 16.c2-c4 Th8-e8
  =  (-0.02)   Tiefe: 6   00:00:00  31kN
13...Lf8-d6 14.Lc1-e3 Dc5xd4 15.Le3xd4 Sg8-f6 16.c2-c4 Th8-e8
  =  (-0.02)   Tiefe: 7   00:00:01  55kN
13...Lf8-d6 14.Lc1-e3 Dc5xd4 15.Le3xd4 Sg8-f6 16.c2-c4 Th8-e8
  =  (-0.02)   Tiefe: 8   00:00:01  142kN
13...Lf8-d6 14.Lc1-e3 Dc5xd4 15.Le3xd4 Sg8-f6 16.c2-c4 Th8-e8 17.c4-c5 Ld6-e5
  =  (0.13)   Tiefe: 9   00:00:01  281kN
13...Lf8-d6 14.Lc1-e3 Dc5xd4 15.Le3xd4 Sg8-f6 16.c2-c4 Th8-e8 17.c4-c5 Ld6-e5
  =  (0.13)   Tiefe: 10   00:00:02  1012kN
13...Dc5xd4+ 14.Se2xd4 Lf8-c5 15.c2-c3 f4-f3 16.g2xf3 Sg8-e7 17.Lc1-f4 Se7xd5
18.Lf4xg3 Lc5xd4+
  =  (0.04)   Tiefe: 10   00:00:02  1436kN
13...Dc5xd4+ 14.Se2xd4 Lf8-d6 15.Lf1-c4 Sg8-f6 16.Sd4-b5 Th8-e8 17.Sb5xd6+ c7xd6
18.Lc1-d2 Lc8-f5 19.Lc4-b5 Te8-c8 20.c2-c4
  ²  (0.27)   Tiefe: 11   00:00:05  4884kN
13...Lf8-d6
  ²  (0.27)   Tiefe: 11   00:00:06  5249kN
13...Lf8-d6 14.c2-c3 Dc5xd4+ 15.c3xd4 f4-f3 16.g2xf3 Sg8-e7 17.Lc1-f4 Ld6xf4
18.Se2xf4 Th8-d8 19.Lf1-c4
  =  (-0.23)   Tiefe: 11   00:00:06  5867kN
13...Lf8-d6 14.c2-c3 Dc5xd4+ 15.c3xd4 f4-f3 16.g2xf3 Sg8-f6 17.Lc1-f4 Ld6xf4
18.Se2xf4 Lc8-f5 19.d5-d6 c7xd6 20.Ta1-e1
  =  (-0.11)   Tiefe: 12   00:00:10  10229kN
13...Lf8-d6 14.Lc1-e3 Dc5xd4 15.Le3xd4 Sg8-f6 16.c2-c4 Th8-e8 17.c4-c5 Ld6-e5
18.Ld4xe5 Te8xe5 19.Se2xf4 Sf6xd5 20.Lf1-c4
  =  (0.00)   Tiefe: 13   00:00:21  23061kN
13...Dc5-b6
  =  (0.00)   Tiefe: 13   00:00:37  42919kN
13...Dc5-b6 14.Dd4xb6 a7xb6 15.c2-c3 Lf8-c5+ 16.Se2-d4 Ta8-a4 17.Lf1-e2
  ³  (-0.33)   Tiefe: 13   00:00:41  47445kN
13...Dc5-b6 14.b2-b4 Sg8-f6 15.Lc1xf4
  ³  (-0.39)   Tiefe: 14   00:01:29  100812kN
13...Dc5-b6 14.b2-b4 Lf8xb4 15.Lc1-e3 Lb4-c5
  ³  (-0.49)   Tiefe: 15   00:02:50  204711kN
13...Dc5-b6 14.b2-b4 Lf8xb4 15.Lc1-e3 Sg8-f6 16.Dd4xf4
  ³  (-0.55)   Tiefe: 16   00:05:30  416759kN

(Tekener, LFT 31.10.2004)

Not only Qb6 is found in only 37 seconds, but also the evaluation does look very
convincing...
Honestly, i haven't compared this to the default settings; maybe they're quite
good as well.

Joerg.



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