Author: Mark Young
Date: 08:34:27 06/10/98
Go up one level in this thread
On June 10, 1998 at 05:12:16, Amir Ban wrote:
>On June 09, 1998 at 23:10:29, Mark Young wrote:
>
>>On June 09, 1998 at 15:47:03, Amir Ban wrote:
>>
>>>
>>>In the 6th round of the Dov Porat Memorial, Junior finally scored a
>>>second win against IM Davie Godes (ELO 2355).
>>>
>>>There's only one more round to play. The games Gofshtein - Kaspi and
>>>Avrukh - Manor were drawn, and the standings are Gofshtein 5, Avrukh,
>>>Manor & Kaspi 4.5 each, A.Greenfeld and Kantsler 4 each. Junior has 3.5
>>>points.
>>>
>>>Junior played white against a Modern, and used its queen-side majority
>>>to gain the advantage, and then a pawn. However, it got saddled with a
>>>weak d-pawn and a bishop that was out of the game, which gave black a
>>>chance for a king-side counterattack. When the attack failed, Junior had
>>>an easy win.
>>>
>>>
>>>[Event "Dov Porat Memorial"]
>>>[Site "Givataim, Israel"]
>>>[Date "8-Jun-98"]
>>>[Round "6"]
>>>[White "Junior 4.9"]
>>>[Black "Davie Godes"]
>>>[Result "1-0"]
>>>[ECO "?"]
>>>
>>>1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d5 5. h3 dxe4 6. Nxe4 Nf6 7. Nxf6
>>>exf6 8. Bd3 O-O {White out of book} 9. O-O Re8 10. Re1 Rxe1 11. Qxe1 Nd7
>>>12. Bf4 Nf8 13. Qe3 Be6 14. c4 Qb6 15. Qd2 a5 16. Re1 Qd8 17. a3 {GM A.
>>>Greenfeld's opinion: White advantage. Black plays this line because he
>>>thinks he can hold it} Qd7 18. Be2 g5 19. Be3 Ng6 20. Kh1 h6 21. Rd1 Ne7
>>>22. Qc2 Qc7 23. Re1 Nf5 24. Bd2 Rd8 25. Bc3 Nd6 26. c5 Nb5 {If Nf5,
>>>white will play Bc4 to exchange bishops, and will be able to break with
>>>d5, and may still win the a-pawn later} 27. Bxb5 cxb5 28. Qd2 Qc6 29.
>>>Bxa5 Rd5 30. Bb6 {The bishop is now out of the game}
>>
>>Why did Junior 4.9 play this move? This seems to be a strange move to
>>play. Was their nothing better? Why not just move the queen to free the
>>bishop.
>>
>
>It's easy to answer why Bb6 was played, but not easy to handle. It puts
>a minor piece on a protected outpost, and prevents black from playing b6
>to get rid of the doubled pawns. This is the computer way of looking at
>things. The human view, I think, is that the bishop is creating very
>little nuisance on b6, the doubled pawns are not an urgent issue, and
>white needs the bishop to protect d4 and the king side. The only piece
>that can take back the d5 square is the knight, and the bishop should
>take its place protecting the king-side. I think the move should be Qc2
>to leave d2 for the bishop.
>
>This kind of reasoning is beyond what I can code into a program right
>now.
After a deep search Junior 4.6 played 30. Qe3. This looks as good as
Qc2.
and better than Bb6. Who says search does not help in this kind of
position.
>I'm not sure it's such a big error. The king side can be defended, and
>black's pieces also have limited mobility. Junior found the right
>approach to the position by not hanging on to d4.
>
>Amir
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