Author: Richard A. Fowell (fowell@netcom.com)
Date: 20:13:16 10/24/98
Go up one level in this thread
On October 24, 1998 at 09:59:22, Vincent Lejeune wrote:
>I like to play tactical game (40m/2h) and back to home, analyse it deeply ...
>There's one other complicated test position ...
>
>[Event "?"]
>[Site "?"]
>[Date "????.??.??"]
>[Round "?"]
>[White "?"]
>[Black "?"]
>[Result "*"]
>
>1. e4 e6 2. d4 d5 3. Nc3 c6 4. Nf3 Nd7 5. Bd3 dxe4 6. Nxe4 Ngf6 7. Neg5 Bd6 8.
>Qe2 Nf8 9. Ne5 Bxe5 10. dxe5 Nd5 11. Bd2 Bd7 12. c4 Ne7 13. Ne4 Nc8 14. c5 Ng6
>15. Nd6+ Nxd6 16. cxd6 O-O 17. h4 f5 18. h5 Nh8 19. O-O-O a5 20. Qf3 [20. g4
>was interesting here] Nf7 21. Qg3 b5 22. h6 g6 23. Rh5?! c5 24. Bg5 Nxg5 25.
>Rxg5 c4? 26. Rxg6+ Kh8 27. Rg7 Rg8 28. Bxf5!? exf5 29. e6 Qf6
>
>r5rk/3b2Rp/3PPq1P/pp3p2/2p5/6Q1/PP3PP1/2KR4 w - -
>
>Here I have played 30. Qh3? it seems not to be good ...
>
>after deep analysis, helped by some chess programs on my P133, I conclued that
>30. f4! is the (only?) good move for white ...
>Fritz 5 seems not to find this good move rapidly ...
>
>After how many time the other programs find this move ?
>
>some lines :
>
>30. f4 !
>
>30... c3 31. exd7 cxb2+ 32. Kb1 Rxg7 33. hxg7+ Qxg7 34. Qe3 Qxd7 35. Qe5+ Qg7
>36. d7 Qxe5 37. fxe5 Rd8 38. e6 +-
>
>30...Bxe6 31. d7 Rxg7 32. d8=Q+ Rxd8 33. Qxg7+ Qxg7 34. hxg7+ Kxg7 35. Rxd8 c3
>36.a3 cxb2+ 37. Kxb2 +-
>
>30... Qxh6 31. Rxg8+ Rxg8 32. exd7 Qg7 33. Qxg7+ Kxg7 34. Re1 +-
>
>
>30. Qe3 ? [fritz 5 best move after 3 min] Bxe6 31. d7 Rxg7 32. hxg7+ Kxg7 33.
>Qg3+ Kf7 34. d8=Q Rxd8 35. Qc7+ Ke8 36. Qc6+ Kf8 37. Rxd8+ Qxd8 38. Qxe6 Qg5+
>39. Kd1 Qxg2 40. Qxf5+ Kg7 41. Kd2 -+
>
>
>See you soon ...
MacChess 5.0 beta 3 (on my 7300/180)
- chooses f4 for the period between 22 min and 2.5 hours of thought.
- Otherwise, it chooses Rxg8+, for the most part.
Saturday, October 24, 1998 3:01 PM
02/01|00:00:00| 1087| -331| exd7 Qxh6+ Qe3 Qxe3+ fxe3 Rxg7
02/03|00:00:00| 1227| -136| Qf4 Bxe6
03/01|00:00:00| 3259| -136| Qf4 Bxe6 Rxg8+ Rxg8
03/05|00:00:00| 4485| -133| Qe3 Qxe6 Re7
03/34|00:00:00| 10792| -125| Rxg8+ Rxg8 Qe3 Bxe6 d7
04/01|00:00:00| 19503| -126| Rxg8+ Rxg8 Qe3 Bxe6 d7 Bf7
04/05|00:00:00| 25415| -125| Qe3 Bxe6 Rxg8+ Rxg8 d7
05/01|00:00:00| 54406| -126| Qe3 Bxe6 Rxg8+ Rxg8 d7 Bf7
05/05|00:00:01| 76094| -125| Rxg8+ Rxg8 Qe3 Bxe6 d7 Bf7 g3
06/01|00:00:01| 163112| -126| Rxg8+ Rxg8 Qe3 Bxe6 d7 Bf7 g3 Rd8
07/01|00:00:03| 375881| -99| Rxg8+ Rxg8 Qe3 Bxe6 d7 Bf7 Rd6 Qxd6
Qc3+ Rg7 hxg7+
08/01|00:00:07| 943196| -84| Rxg8+ Rxg8 Qe3 Bxe6 d7 Bxd7 Rxd7 Rxg2
Rd5 Rg1+ Kc2 Ra1
09/01|00:00:16| 2334187| -43| Rxg8+ Rxg8 Qe3 Bxe6 d7 c3 bxc3 Bxa2 Qd2 Rd8
Qxa2 Qxc3+ Qc2 Qxc2+ Kxc2
10/01|00:00:40| 5864618| -43| Rxg8+ Rxg8 Qe3 Bxe6 d7 c3 bxc3 Bxa2 Qd2 Rd8
Qxa2 Qxc3+ Qc2 Qxc2+ Kxc2
11/01|00:01:55| 17119071| +32| Rxg8+ Rxg8 Qe3 f4 Qb6 Bxe6 d7 Rd8 Rd6 f3 Rxe6
Qg5+ Qe3 Qxe3+ fxe3 fxg2
12/01|00:07:30| 67221161| -24| Rxg8+ Rxg8 Qe3 f4 Qe4 Bxe6 d7 c3 b3 Bf7 Qd3
Rd8 Qxb5 f3
12/05|00:16:44| 125627495| -5| Qe3 Bxe6 d7 Rxg7 d8=Q+ Rxd8 hxg7+ Kxg7
Rxd8 Qxd8 Qxe6 Qg5+ Kb1 Qxg2 Qd7+ Kf8
Qxb5 Qxf2 Qxa5
12/17|00:22:57| 153511287| +61| f4 Bxe6 d7 Rgf8 Rd6 c3 Rxe6 cxb2+ Kb1
Qd4 Rxh7+ Kxh7 Re7+ Kh8 Qg7+ Qxg7 hxg7+
Kg8 gxf8=Q+ Kxf8
13/01|00:55:34| 262455616| +106| f4 Bxe6 d7 Rgf8 Rd6 Qxh6 Re7 b4 Rexe6 Qh5 Qf2
Kg8 Qc2 Qh1+ Rd1
14/01|01:30:01| 474881267| +106| f4 Bxe6 d7 Rgf8 Rd6 Qxh6 Re7 b4 Rexe6 Qh5 Qf2
Kg8 Qc2 Qh1+ Rd1
14/17|02:33:15| 1068233473| +112| Rxg8+ Rxg8 Qe3 f4 Qe4 f3 exd7 fxg2 Rg1 Qxh6+
f4 Qxd6 Qe5+ Qxe5 fxe5 Rf8 Rxg2 Rf1+ Kc2 Rf8
Saturday, October 24, 1998 8:05 PM
Richard A. Fowell (fowell@netcom.com)
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