Author: Drexel,Michael
Date: 02:42:59 10/15/03
Go up one level in this thread
On October 14, 2003 at 16:47:01, George Tsavdaris wrote:
>On October 14, 2003 at 16:11:08, Drexel,Michael wrote:
>
>>On October 14, 2003 at 15:18:55, Uri Blass wrote:
>>
>>>On October 14, 2003 at 14:10:49, George Tsavdaris wrote:
>>>
>>>>On October 14, 2003 at 13:33:42, Drexel,Michael wrote:
>>>>
>>>>>On October 14, 2003 at 11:36:02, Tony Hedlund wrote:
>>>>>
>>>>>>Take a look at game 6. Worst bookline ever?
>>>>>
>>>>>[Event "SSDF"]
>>>>>[Site "SSDF"]
>>>>>[Date "2003.10.14"]
>>>>>[Round "6"]
>>>>>[White "Fritz 8 A1200"]
>>>>>[Black "Hiarcs 9 A1200"]
>>>>>[Result "1-0"]
>>>>>[ECO "D19"]
>>>>>[WhiteElo "2762"]
>>>>>[Annotator "Tony Hedlund"]
>>>>>[PlyCount "65"]
>>>>>[TimeControl "40/7200:20/3600:20/3600"]
>>>>>
>>>>>{192MB, Hiarcs9.ctg, A1200} 1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {
>>>>>[%emt 0:00:01]} c6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]
>>>>>} 4. Nc3 {(e3) [%emt 0:00:00]} dxc4 {[%emt 0:00:00]} 5. a4 {(e3) [%emt 0:00:00]
>>>>>} Bf5 {[%emt 0:00:00]} 6. e3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 7. Bxc4 {
>>>>>[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 8. O-O {[%emt 0:00:00]} O-O {
>>>>>[%emt 0:00:00]} 9. Qe2 {(Sh4) [%emt 0:00:00]} Nbd7 {[%emt 0:00:00]} 10. e4 {
>>>>>[%emt 0:00:00]} Bg6 {[%emt 0:00:00]} 11. Bd3 {[%emt 0:00:00]} c5 {
>>>>>[%emt 0:00:00]} 12. e5 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 13. exf6 {
>>>>>[%emt 0:00:00]} dxc3 {[%emt 0:00:00]} 14. Bxg6 {[%emt 0:00:00]} hxg6 {
>>>>>[%emt 0:00:00]} 15. fxg7 {[%emt 0:00:00]} Kxg7 {[%emt 0:00:00]} 16. bxc3 {
>>>>>[%emt 0:00:00]} Bxc3 {[%emt 0:00:00]} 17. Ra3 {[%emt 0:00:00]} Bf6 {
>>>>>[%emt 0:00:00]} 18. Qd2 {[%emt 0:00:00]} Qe7 {[%emt 0:00:00]} 19. Rd3 {
>>>>>[%emt 0:00:00]} Nc5 {[%emt 0:00:00]} 20. Qh6+ {[%emt 0:00:00]} Kg8 {
>>>>>[%emt 0:00:00]} 21. Ng5 {[%emt 0:00:00]} Rfd8 {[%emt 0:00:00]} 22. Rf3 {
>>>>>[%emt 0:00:00]} Nxa4 {[%emt 0:00:00]} 23. Qh7+ {[%emt 0:01:34]} Kf8 {
>>>>>[%emt 0:00:00]} 24. Ba3 {[%emt 0:00:44]} Rd6 {[%eval 32757,10] [%emt 0:03:51]}
>>>>>25. Bxd6 {[%emt 0:00:03]} Ke8 {[%eval 32758,5] [%emt 0:00:03]} 26. Bxe7 {
>>>>>[%emt 0:00:02]} Kd7 {[%eval 32759,5] [%emt 0:00:02]} 27. Qxf7 {[%emt 0:00:01]}
>>>>>Nc5 {[%eval 32760,5] [%emt 0:00:00]} 28. Bxc5+ {[%emt 0:00:00]} Kc6 {
>>>>>[%eval 32761,4] [%emt 0:00:00]} 29. Qxe6+ {[%emt 0:00:00]} Kxc5 {
>>>>>[%eval 32763,4] [%emt 0:00:00]} 30. Rc1+ {[%emt 0:00:00]} Bc3 {
>>>>>[%eval 32764,5] [%emt 0:00:00]} 31. Rfxc3+ {[%emt 0:00:00]} Kb4 {
>>>>>[%eval 32765,5] [%emt 0:00:00]} 32. Rb3+ {[%emt 0:00:00]} Ka5 {
>>>>>[%eval 32766,4] [%emt 0:00:00]} 33. Ra1# {[%emt 0:00:00]} 1-0
>>>>>
>>>>>Someone should send that game to Mark Uniacke.
>>>>>It's a shame to release such a strong program with a very weak book.
>>>>>The line is also in the Hiarcs 8 tournament book.
>>>>>All Fritz 6 owners should use general.ctg book for Hiarcs 9.
>>>>>
>>>>
>>>>The problem is with the black's 22 move: Nxa4??
>>>>Why allow such a move in a book for an engine like Hiarcs?
>>>
>>>The problem is the engine and not the book.
>>>
>>>When not every move of the book was checked manually
>>>the engine should use the book only as a hint and not to play a book move in 0
>>>seconds.
>>>
>>>Using only one second to verify no big blunders could be enough not to allow the
>>>engine to play the book move.
>>>
>>>
>>>
>>>
>>> The book
>>>>window shows a total number of games which led to the current board
>>>>position = 256. I don't think any GM played that move. So it's a question
>>>>from where did the creator of the book, find those 256 games and generated
>>>>the book.
>>>
>>>I do not think that it is important.
>>>
>>>If 256 GM's played a blunder it does not mean that the engine has to play the
>>>same blunder.
>>>
>>>Uri
>>
>>All moves have N=16384,4096,1024,256,64 or 16 in the Hiarcs books.
>>Moves with higher numbers are played more often.
>>N is of course not the number of games.
>>
>
>In my Hiarcs 8 book, all moves don't have N=16384,4096,1024,256,64 or 16.
>They have many other numbers. For example at move 5 for black these are
>the moves and the N:
>5...Bf5 5486
>5...Bg4 1163
>5...e6 269 etc.....
>
> And in Chessbase's GUI help defines N as: "The total number of games which led
>to the current board position. The N column displays the number of games in
>which each move was executed."
>So it has to be the number of games.
No, I am talking about Hiarcs tournament books.
It is obviously not the number of games there.
The Hiarcs tournament book was simply merged with games of a database to get
Hiarcs 9 book.
Therefore 256 is not the numbers of games in the position.
Michael
This page took 0 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.