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Subject: Re: WCC 2002 Final Game 1

Author: Uri Blass

Date: 23:54:45 01/16/02

Go up one level in this thread


On January 17, 2002 at 01:40:59, Sune Larsson wrote:

>On January 16, 2002 at 11:06:34, Uri Blass wrote:
>
>>On January 16, 2002 at 11:01:07, Uri Blass wrote:
>>
>>>On January 16, 2002 at 10:03:15, Antonio wrote:
>>>
>>>>Event "WCC 2001-2002 Final"]
>>>>[Site "Moscow"]
>>>>[Date "2002.01.16"]
>>>>[Round "7"]
>>>>[White "Ponomariov, R."]
>>>>[Black "Ivanchuk, V."]
>>>>[Result "1-0"]
>>>>[WhiteTitle "GM"]
>>>>[WhiteElo "2684"]
>>>>[WhiteCountry "UKR"]
>>>>[BlackTitle "GM"]
>>>>[BlackElo "2731"]
>>>>[BlackCountry "UKR"]
>>>>[Remark "WCC 2001-2002 Final"]
>>>>[PresId "0001070101"]
>>>>
>>>>1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7.
>>>>Nf3 O-O 8. Qd2 Be7 9. O-O-O Qd5 10. Nc3 Qa5 11. a3 Nd7 12. Kb1 Qb6 13.
>>>>Qe3 Nf6 14. Ne5 Rd8 15. Bc4 Bd7 16. Bb3 Be8 17. Rhe1 Bf8 18. g4 Nd5
>>>>19. Qf3 c6 20. Ne4 Qc7 21. c4 Ne7 22. Ng5 Nc8 23. c5 1-0
>>>
>>>Here is some analysis after 23...Rd5(forced move from computer's point of view)
>>>
>>>Deep Fritz cannot see a forced win for white and only can see +1.69 for white
>>>that means drawing chances for black.
>
>
>  Drawing chances for black???? Are you serious Uri? If so, try to convince
>  Ivanchuk about that. Black is totally choked up. Instead of resigning,
>  GM Ehlvest recommended 23.-Qb8! - a bit humourous just to point out that
>  black is helpless here.
>
>  Sune

It seems that the 1.59 was a minimium point of Deep Fritz
Here is Deep Fritz's analysis

It can see only 1.91 pawns for white that still mean some practical chances for
a draw.

I am not going to wait for Fritz to solve the fail high problem and maybe
someone with faster hardware is going to do it.

It may be interesting to try comp-comp games in order to find out if there is a
practical chance for a draw in comp-comp games.

[D]r1n1bbk1/ppq2ppp/2p1p3/2PrN1N1/3P2P1/PB3Q2/1P3P1P/1K1RR3 w - - 0 1

Analysis by Deep Fritz:


24.Bxd5 cxd5 25.Qd3 g6 26.Rc1 h6 27.Ngf3 b6 28.h4 bxc5 29.dxc5 Rb8
  +-  (1.59)   Depth: 15/40   00:13:59  522914kN
24.Qe4!
  +-  (1.63)   Depth: 15/41   00:19:35  727772kN
24.Qe4! g6 25.Bxd5 cxd5 26.Qf4 Qe7 27.Ngf3 b6 28.c6 f6
  +-  (1.69)   Depth: 15/43   00:24:59  943977kN
24.Qe4 g6 25.Bxd5 cxd5 26.Qf4 Qe7 27.Ngf3 b6 28.c6 f6
  +-  (1.75)   Depth: 16/42   00:38:05  1470778kN
24.Qe4 g6 25.f4 Ne7 26.Ngxf7 Bxf7 27.Nxf7 Kxf7 28.Qxe6+ Kg7 29.f5 Rd7
  +-  (1.72)   Depth: 17/45   01:51:26  4429363kN
24.h4!
  +-  (1.75)   Depth: 17/45   02:34:51  6185120kN
24.h4 h6 25.Nh3 Ne7 26.Nf4 b6 27.Bxd5 cxd5 28.g5 bxc5
  +-  (1.81)   Depth: 18/48   05:48:54  14047119kN
24.Qd3!
  +-  (1.84)   Depth: 18/48   06:52:48  16648360kN
24.Qd3! g6 25.Qh3 h6 26.Ne4 Bg7 27.g5 Rxd4 28.Rxd4 Bxe5 29.Qxh6
  +-  (1.91)   Depth: 18/48   07:21:19  17800811kN
24.Qd3 g6 25.Qh3 h6 26.Ne4 Bg7 27.g5 Ne7 28.f4 h5 29.Bxd5 cxd5
  +-  (1.88)   Depth: 19/49   10:14:27  24819062kN
24.h4!
  +-  (1.91)   Depth: 19/49   14:36:20  35702730kN

(Blass, Tel-aviv 17.01.2002)

There is a big difference between Rd5 and Qb8

Rd5 is only losing excahange and there are practical chances for a draw.

Qb8 is also losing f7 and more material

After Qb8 Deep Fritz says almost +6

[D]rqnrbbk1/pp3ppp/2p1p3/2P1N1N1/3P2P1/PB3Q2/1P3P1P/1K1RR3 w - - 0 1

Analysis by Deep Fritz:

24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7
  +-  (4.53)   Depth: 4/19   00:00:00  6kN
24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7
  +-  (4.53)   Depth: 4/19   00:00:00  6kN
24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7
  +-  (4.53)   Depth: 4/19   00:00:00  6kN
24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7
  +-  (4.53)   Depth: 4/19   00:00:00  6kN
24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7
  +-  (4.53)   Depth: 4/19   00:00:00  6kN
24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7
  +-  (4.53)   Depth: 4/19   00:00:00  6kN
24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7
  +-  (4.53)   Depth: 4/19   00:00:00  6kN
24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7
  +-  (4.53)   Depth: 4/19   00:00:00  6kN
24.Nxe6 Ne7 25.Nxd8 Qxd8 26.Bxf7+ Bxf7
  +-  (4.53)   Depth: 4/19   00:00:00  6kN
24.Nxe6 Ne7 25.Nxf8 Nd5 26.Bxd5 Rxd5
  +-  (4.56)   Depth: 5/21   00:00:00  15kN
24.Nxe6 Rd5 25.Bxd5 cxd5 26.Nxf8 Kxf8 27.Qxd5
  +-  (4.50)   Depth: 6/21   00:00:00  25kN
24.Nxe6 Rd5 25.Bxd5 cxd5 26.Nxf8 Kxf8 27.Qxd5 Kg8
  +-  (4.34)   Depth: 7/21   00:00:00  75kN
24.Nxe6 Rd5 25.Bxd5 cxd5 26.Nxf8 Kxf8 27.Qxd5 Qc7 28.f4
  +-  (4.47)   Depth: 8/21   00:00:00  193kN
24.Nexf7!
  +-  (4.50)   Depth: 8/27   00:00:00  376kN
24.Nexf7! Rd5 25.Ne5 Be7 26.Nxe6 Rxe5 27.dxe5 Bf7
  +-  (4.63)   Depth: 8/27   00:00:00  499kN
24.Nexf7 Rd5 25.Ne5 Be7 26.Nxe6 Rxe5 27.dxe5 Bg6+ 28.Ka1 Bf7
  +-  (4.59)   Depth: 9/27   00:00:01  1062kN
24.Nexf7 Rd5 25.Ne5 Be7 26.Nxe6 Rxe5 27.dxe5 Bg6+ 28.Ka1 Bf7
  +-  (4.69)   Depth: 10/30   00:00:03  2304kN
24.Nexf7!
  +-  (5.00)   Depth: 11/31   00:00:10  6943kN
24.Nexf7!
  +-  (5.31)   Depth: 12/32   00:00:33  23298kN
24.Nexf7! Rd5 25.Ne5 Nd6 26.Ka1
  +-  (5.41)   Depth: 12/36   00:01:03  43105kN
24.Nexf7!
  +-  (5.72)   Depth: 13/35   00:02:09  89109kN
24.Nexf7! Rd5 25.Rxe6 Ne7 26.Qe4 Ng6
  +-  (5.91)   Depth: 13/43   00:03:01  126092kN
24.Nexf7 Rd5 25.Bxd5 cxd5 26.Qd3 g6 27.Qh3
  +-  (5.78)   Depth: 14/39   00:06:55  289330kN

(Blass, Tel-aviv 17.01.2002)

Uri




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