Author: martin fierz
Date: 11:16:56 12/19/03
Go up one level in this thread
On December 19, 2003 at 13:13:27, Louis Fagliano wrote:
>On December 19, 2003 at 11:35:08, martin fierz wrote:
>
>>On December 19, 2003 at 11:02:44, Dana Turnmire wrote:
>>
>>>On page 296 footnote 3 the following line is given in Nunn's Chess Openings.
>>>The recommended move is 13.Ne5! Bb7 14.Nf3 with a complex but roughly balanced
>>>evaluation. What is wrong with 13.Nxf8? An obvious blunder in NCO or is there
>>>a deeper line Chessmaster and Genius 7 fails to see?
>>>
>>>
>>>[d] rnb2rk1/p1p2pb1/5nNp/1B4p1/3Pqp2/1QP5/PP4PP/RNB2RK1 w - -
>>>
>>> 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. O-O h6 6. d4 d6 7. c3 Nf6 8. e5
>>>dxe5 9. Nxe5 O-O 10. Qb3 Qe8 11. Ng6 b5 12. Bxb5 Qe4 *
>>
>>without analysing this position with a compute, i think that black has
>>compensation for the exchange. whether it's enough is another question, but he
>>certainly has some pressure against the white king.
>>
>>cheers
>> martin
>
>Actually, (again without analyzing this position with a computer), it appears to
>me that after 13. Nxf8 Black has can threaten mate with 13... Bb7! forcing 14.
>Rf2 as the only move to guard the g2-square. Then Black has at least a draw by
>14... Qe1+ 15. Rf1 Qe4 etc. That is why NCO recommends 13. Ne5! Bb7 14. Nf3.
>The knight avoids taking the rook because it has to get to the f3-square to stop
>the mate. Now Black has no instant draw by repetition of moves and the game
>continues with its complexities.
with computer this time: to start with ...Bb7 seems fine, but after 14. Rf2 Qe1+
white can of course play 15. Bf1 and the game continues.
the proper line seems to be this to me (assisted by fritz 7):
1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. d4 d6 6. 0-0 h6 7. c3 {7....Nc6
seems to be the move people play, and theory says its - over +!) Nf6?! 8. e5
dxe5 9. Nxe5 0-0 10. Qb3 Qe8 11. Ng6 b5 12. Bxb5 Qe4 13. Nxf8 Bb7 14. Rf2 Ng4!
15. Re2 Bxd4+! 16. cxd4 Qxd4+ 17. Kf1 Nxh2+ 18. Ke1 Qg1+ 19. Kd2 f3 20. Re7 Qf2+
21. Kd3 fxg2 22. Be3 Qf5+ 23. Ke2 Nc6 24. Rxf7 Qxf7 25. Bc4 Ba6 26. Bxa6 Re8 27.
Qxf7+ Kxf7 unclear :-)
of course this is just a sample line, the position is ultra-sharp. but it seems
to me that black has his chances in this line.
note also that neither side should be playing this line, both sides have made
mistakes according to theory to get into dana's starting position.
cheers
martin
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