Author: Ernst A. Heinz
Date: 02:19:00 07/04/99
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On July 03, 1999 at 06:08:13, blass uri wrote: > >On July 02, 1999 at 09:44:07, Sarah Bird wrote: > >>In C19 nunn after: >>1. e4......e6 >>2. d4......d5 >>3. Nc3.....Bb4 >>4. e5......c5 >>5. a3......Bxc3 >>6. bxc3....Qc7 >>7. Nf3.....Ne7 >>8. a4......b6 >>9. Bb5.....Bd7 >>10.Bd3.....Nbc6 >>11.0-0. >> >>Hiarcs book lists h6 as being black's 11th move, (personally i prefer c4) Yet if >>you load the nunn database Hiarcs 7.32 almost always chooses 11.....0-0. even on >>very long time controls. >> >>After this 11.....0-0. Seems to me that 12. Bxh7 is likely winning for white!! >>since after: >>12. Bxh7.....Kxh7 >>13. Ng5+.....Kg6 >>Either: >>14. Qd3 or Qg4 give white a very strong attack. >> >>Sarah. > >I did some games of the nunn match in 1000 seconds per move on pentium200 one >year ago between Junior4.6 and Fritz5 and Fritz5 with black played 11...0-0 >12.Bxh7+ Kxh7 13.Ng5+ Kg6 14.Qg4 and black won the game. > >Maybe 14.h4 is better. > >Uri Please have a look at my Nunn test games pitting "DarkThought" against many commercial chess programs -- 11... 0-0 seems almost like suicide. You can find the complete game scores on our WWW pages at URL <http://wwwipd.ira.uka.de/Tichy/DarkThought/>. =Ernst=
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