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Joined: Sun Oct 01, 2006 10:20 pm
Posts: 155
Location: Eckental / Germany
 Post subject: Brause plays the Halloween
PostPosted: Mon Jun 02, 2008 12:58 pm 
The Austrian chess enthusiast Steffen Jakob created a chess engine, a crafty clone called "Brause" , in order to play the Halloween Gambit on the ICC chess sever. Brause actually means sprinkler or shower in German. I don't know why Jakob gave his engine this funny name; I tried to contact him but did not get a reply.

Brause played a few thousand (!) games on the ICC server with the impressive result of

2257 wins = 68,55 %
768 losses = 23,32 %
268 draws = 8,13 %

I wonder whether there is another chess engine or opening with such a fantastic achievement.

Brause stopped playing around 1998 and Jakob created another engine called "Hossa", this time his own programme and not a clone. Jakob claims that his engine has a blitz rating between 2400 and 2650 (hiscore 3062).

Hossa has played the Halloween, too, with the following results:

107 wins = 53 %
75 losses = 37 %
20 draws = 10 %

Not bad either, but not quite as impressive as Brause's achievements.

The Halloween Gambit is particularly effective in blitz games against human players (I have tried it, too, with fantastic results). Even strong grandmasters fail to find the best defence, as can be seen in one of the following games, which are among the best played by Brause. If you have a database, you can paste the games into a pgn file and enjoy them.

[Result "1-0"]
[ECO "C47"]
[WhiteElo "2250"]
[BlackElo "1800"]
[PlyCount "27"]
[EventDate "1997.??.??"]
[EventType "match (blitz)"]
[Source "Fruth,M"]
[SourceDate "2003.05.15"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Ng6 6. e5 Ng8 7. Bc4 c6 8.
Qf3 f6 9. O-O d5 10. exd6 Bxd6 11. Ne4 N8e7 {
It almost looks as if black was able to defeat the white attack, but...} 12.
Qxf6 {!!} gxf6 13. Nxf6+ Kf8 14. Bh6# 1-0

[Event "ICS Blitz match"]
[Site "corr"]
[Date "1997.??.??"]
[Round "?"]
[White "Brause"]
[Black "Gmalex"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2555"]
[BlackElo "2640"]
[PlyCount "35"]
[EventDate "1997.??.??"]
[EventType "match (blitz)"]
[Source "Fruth,M"]
[SourceDate "2003.05.15"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Nc6 6. d5 Nb8 7. e5 Ng8 {
I call this the "Back-to-the-roots line". Many strong players think when they
are playing their first Halloween games that they can play totally passive and
hold the knight. This game shows that even a very strong opponent (gmalex is
one of the best blitz players at ICS) will be crushed badly if he doesn't pay
attention. Now Brause plays a manoever which is typical of the Halloween
Attack. 8. d6 paralyses the black position for a long time.} 8. d6 Nc6 9. Nb5
cxd6 10. exd6 Bxd6 {
Black decides to take the sting on d6. Nevertheless 10. - Qf6 was better.} 11.
Qxd6 {Of course 11. Nxd6 Kf8 12. Be2 is possible, too.} Qe7+ 12. Be3 Qxd6 13.
Nxd6+ Kf8 14. Bc4 Ne5 15. Bb3 Ne7 16. O-O-O f6 17. f4 Ng4 18. Rhe1 {Terrible! There is no escape for black's king. A serious threat e. g. is 19. Bc5 and the
prosaic 19. Nxc8 Rxc8 20. Rxd7} 1-0

Have fun with the Halloween! :D :lol:

If you want to learn more about the Halloween, you may read my other posts on this opening. :!:

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