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Subject: Re: Finding a mate very quickly - copy of fragment from r.g.c.c

Author: Ed Schröder

Date: 12:40:59 04/15/98

Go up one level in this thread

>Posted by Danniel Corbit on April 15, 1998 at 15:19:00:

>Considering this game:
>[Event "NY Open, New York USA"]
>[Site "?"]
>[Date "1998.??.??"]
>[Round "1"]
>[White "Gurevich, D."]
>[Black "Young, R."]
>[Result "1-0"]
>[ECO "A22"]
>[WhiteElo "2540"]
>[BlackElo "2295"]
>[PlyCount "53"]
>[EventDate "1998.??.??"]

>1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5 5. Ngxe4 Nxe4 6. Nxe4 bxc4 7.
>e3 d5 8. Nc3 Be7 9. d3 cxd3 10. Bxd3 c6 11. e4 Be6 12. exd5 cxd5 13.
>Bb5+ Kf8 14. Be3 Nd7 15. Nxd5 Qa5+ 16. Nc3 Ne5 17. O-O h5 18. Bf4 Ng6
>19. Bd6 Rd8 20. Bxe7+ Kxe7 21. Qe2 Rd4 22. Rad1 Rg4 23. Qe3 Nf4 24. Kh1
>Rc8 25. f3 Nxg2 26. Qe5 Rg6 27. b4 Qa3 1-0

>Tascbase2.0 apparently finds a mate in 20 seconds [mate in 13].  Crafty
>finds a mate in 11 in 21 minutes (60 times longer, but mate more
>quickly).  Comments on what sort of techniques are used to find the mate
>so quickly using Tascbase?

>The original thread in r.g.c.c is titled "Many programs take forever to
>find this mate, others no"

2r5/p3kpp1/4b1r1/1B2Q2p/1P6/q1N2P2/P5nP/3R1R1K w - - id Gurevich, D. -
Young, R.; bm e5d6;

Rebel 9.0 needs 10 seconds.
Machine PII-266
Announcement is mate in 12.

- Ed -

• Re: Finding a mate very quickly - copy of fragment from r.g.c.c Ernst A. Heinz 05:59:59 04/18/98
  • Re: Finding a mate very quickly - copy of fragment from r.g.c.c Carsten Kossendey 10:28:21 04/18/98
• Re: Finding a mate very quickly - copy of fragment from r.g.c.c Djordje Vidanovic 15:40:39 04/15/98
• Re: Finding a mate very quickly - copy of fragment from r.g.c.c Jari Kylmälä 13:35:30 04/15/98

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