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Desmond
22-03-2007, 06:58 PM
[Event "CRCC Tal Memorial 2007"]
[Site "Rothwell"]
[Date "2007.03.21"]
[Round "4"]
[White "Weller, Tony"]
[Black "Thomas, Brian"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "1835"]
[BlackElo "1869"]
[PlyCount "88"]
[SourceDate "2007.03.22"]

1. Nf3 Nf6 2. d4 e6 3. c4 c5 4. e3 cxd4 5. Nxd4 Be7 6. Nc3 O-O 7. Bd3 Nc6 8.O-O Nxd4 9. exd4 d5 10. c5 b6 11. Be3 bxc5 12. dxc5 e5 13. Bg5 Bb7 14. Bxf6 Bxf6 15. Nb5 Be7 16. Rc1 a6 17. Na3 Rc8 18. c6 Rxc6 19. Rxc6 Bxc6 20. Bxh7+ Kxh7 21. Qc2+ Kg8 22. Qxc6 Qa5 23. Nc2 Qxa2 24. Qb7 Bc5 25. Ra1 Qc4 26. Ne3 Bxe3 27. fxe3 Qe2 28. Qxd5 Qxe3+ 29. Kf1 Rc8 30. Re1 Qf4+ 31. Kg1 Rc1 32. Qd8+ Kh7 33. Qd3+ g6 34. Rd1 Rxd1+ 35. Qxd1 Kg7 36. Qe2 a5 37. g3 Qd4+ 38. Kf1 a4 39. Ke1 f6 40. Kf1 Kf7 41. Qc2 Qd7 42. Qc4+ Kg7 43. Qc2 Qf5+ 44. Qxf5 gxf5 0-1

Aaron Guthrie
22-03-2007, 07:10 PM
In the final position, whats the winning technique after h4?

Desmond
22-03-2007, 07:15 PM
In the final position, whats the winning technique after h4?45...f4 wins practically immediately. 46.gxf4 e4 47.f5 Kh6 etc

Aaron Guthrie
22-03-2007, 07:22 PM
45...f4 wins practically immediately. 46.gxf4 e4 47.f5 Kh6 etcYeah ok, and then win the f pawn too after you trade the e pawn for the h pawn. I found a different winning plan ( you posted to quick! :) ), 45...e4 followed by playing the black king to g4, then playing f4 and after gf4 playing f5, after which you pick up the h pawn for free (White can defend the h pawn if you play f4 right away.)

Kevin Bonham
22-03-2007, 07:23 PM
Another solution is ...Kg6 intending ...Kh5 when any near approach of the white king results in ...e4! when Black can triangulate and White can't, therefore an eventual ...Kg4 cannot be prevented.

[Edit: mangafranga posted while I was posting.]

Nice win Boris, rather double-edged position early but you seem to have won by superior play without White making one big mistake.

Desmond
22-03-2007, 07:25 PM
Another solution is ...Kg6 intending ...Kh5 when any near approach of the white king results in ...e4! when Black can triangulate and White can't, therefore an eventual ...Kg4 cannot be prevented.
Yes that is true. Pawn up in a pawn ending, not suprising that there is more than one winning plan. Tony actually did resign due to the ...f4 plan though. :)

Aaron Guthrie
22-03-2007, 07:36 PM
I was gonna post that my plan wasn't actually that different (still involving setting up the same pawn structure for Black), and I saw that Kevin had posted the same plan I did!

On to the rest of the game-
11.Be3 looks (very) bad to me
16.Qh5!? or is there something tactically wrong with that?

Desmond
22-03-2007, 07:53 PM
On to the rest of the game-
11.Be3 looks (very) bad to mePersonally I think 10.c5 was weak, but certainly if there was an easy way to prove it I could not find one. It just lead to an unbalanced game where I think white had good chances on the queenside.


16.Qh5!? or is there something tactically wrong with that?I was intending ...e4 at that or similar moments.

Aaron Guthrie
22-03-2007, 08:31 PM
I was intending ...e4 at that or similar moments.In my defence, I am rather sick... :)

Capablanca-Fan
01-05-2007, 08:23 AM
Personally I think 10.c5 was weak, but certainly if there was an easy way to prove it I could not find one. It just lead to an unbalanced game where I think white had good chances on the queenside.

White needed to follow it with 11.b4. Allowing you to have a mobile centre was a mistake -- this outweighed the Q-side majority which wasn't likely to go far in the middle game.

Capablanca-Fan
01-05-2007, 04:55 PM
Sarfati,J (2200) - Weller,T (1799) [D35]
Day of Knights Logan City Chess Club (4)
[J. Sarfati, FM]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Be7 [6...c5 Black must challenge White's powerful centre. His failure allows White to build up overwhelming concentration of force covered by this centre.] 7.Nf3 0-0 8.Bc4 Nc6?! [Should still play ...c5] 9.0-0 b6 10.Qe2 a5 11.Bf4 Bd6?! [encouraging a move that White would likely play anyway] 12.e5 Be7 13.Bd3 Bb7 [White was threatening Qe4, with a double attack on Ph7 and Nc6.] 14.Qe4 [The strategic aim of this is to force a weakening of Black's castle position] 14...g6 15.Bh6 Re8 16.Qf4 Bf8 17.Ng5 Qe7 18.Ne4 [Now for the other weakness, but 18.Qh4! (was even stronger, threatening Bxf8 and Qxh7) 18...Red8 19.Be4! Rab8 20.Bxc6 Bxc6 21.Bxf8 Kxf8 22.Nxh7+ Ke8 23.Nf6+] 18...Bg7 19.Bg5 Qf8 20.Nf6+ Bxf6 21.Bxf6 [The B is like a foot on Black's throat, so he tries to get rid of it.] 21...Ne7 22.c4 b5 23.Rac1 bxc4 24.Bxc4 Nd5 25.Bxd5 Bxd5 26.Rc3 [A common idea, using a "rook lift" to bring more firepower against the enemy king.] 26...h5 27.a3 [safety-first move] 27...c6 28.g4 Kh7 29.gxh5 Qh6 30.hxg6+ Qxg6+ [30...fxg6 31.Qxh6+ Kxh6 32.Rh3#] 31.Rg3 Rg8 [A miscalculation but Black is lost anyway 31...Qh6 32.Bg5 Qh5 33.Rh3! Qxh3 34.Qxf7+ Kh8 35.Bf6#] 32.Rxg6 Rxg6+ 33.Bg5 Rag8 [33...Rxg5+ 34.Qxg5 Rg8 35.Qxg8+ Kxg8 36.Rb1 And White wins easily, the exchange and a pawn up.] 34.h4! and white won easily. 1-0