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Asunto:[ajedrezlapalma] La Olimpiada en "Chess Today" -2ª parte.
Fecha:Sabado, 2 de Noviembre, 2002  15:28:12 (+0000)
Autor:Angel Jiménez <aarteaga @...............com>

Por cortesía de Chess Today:

(9) Svetushkin Dmitry (2505) - Polgar Judit (2685)
Bled 2002 Bled (5), 30.10.2002
[Maxim Notkin]

Having a promising initiative Judit made two weak moves and the position turns to a bad one. 27.Ag4! Threatening not only the capture of the rook d7, but with 28.h4 also. 27...Ce4 [ Losing is 27...Tde7 28.h4 Dg6 29.Cxf7!+- Txe3?! 30.Dxe3 Txe3 31.Td8+ Rh7 32.Th8# but after the text move White could win a piece.] 28.Cxe4 [ 28.Txe4! Txe4 ( 28...Txd6 29.Txe5 and the d1-rook is protected) 29.Axd7 Txe3 30.Dd4+- was simplier.] 28...Txd1+ 29.Axd1 Axe4 30.Dd4 De7 31.Dxb6 g5 32.Tf6 Ad3 33.Txh6 Rg7! [ Not 33...Txe3 34.Db8+ forcing the exchange of queens. ] 34.Td6 Txe3 35.Dd4+ Rh7 White is still winning but in time trouble it's not easy to find the right way. 36.Rf2?? [ 36.Ag4! preserved the advantage e.g. 36...Te1+ ( 36...Tf3!? 37.Te6! ( 37.Axf3?? De1+ 38.Rg2 Df1#) 37...Tf1+ 38.Rg2 Db7+ 39.Rh3) 37.Rf2 Tf1+ ( 37...Te2+ 38.Rf3 Ag6 39.Td7 De8 40.Txf7+! Axf7 41.Dd3+ Rh6 42.Dxe2) 38.Rg2 Tg1+!? 39.Dxg1 ( 39.Rxg1?? De1+ 40.Rg2 Df1#) 39...Dxd6 40.De3 and White should win.] 36...Te2+! [ White resigned in view of 36...Te2+ 37.Rf3 ( 37.Axe2 Dxe2+ 38.Rg1 Df1#) 37...g4+! 38.Rxg4 ( or 38.Rf4 ) 38...Te4+ and the queen is lost.] 0-1

(10) Ivanchuk Vassily (2709) - Babula Vlastimil (2590) [B33]
Bled 2002 Bled (5), 30.10.2002
[Maxim Notkin]

1.e4 c5 2.Cf3 Cc6 3.d4 cxd4 4.Cxd4 Cf6 5.Cc3 e5 6.Cdb5 d6 7.Cd5 [ Ivanchuk avoids a long theoretical discussion after 7.Ag5 chosing a secondary line of the Sveshnikov Variation which is convenient, however for good positional players. For example this year at Julian Borowski Tournament in Essen Leko outplayed Krasenkow demonstrating a significant improvement.] 7...Cxd5 8.exd5 Cb8 9.c4 White has created a pawn chain. Now the knight may retreat to c3. 9...Ae7 10.Ad3 a6 11.Cc3 0-0 12.0-0 f5 The most logical plan. Black has the pawn majority on the kingside and he should try to make use of it. The position reminds of some lines of the Saemisch Variation in the Kings Indian. 13.f3 Cd7 14.Rh1 Ag5 [ In case of 14...Cf6? the dark-squared bishop would be "bad". Moreover Black needs a major piece on the e-file to support the e5-e4 advance.] 15.b4

15...Axc1 [ Krasenkow played 15...a5 16.a3 axb4 17.Axg5 Dxg5 18.axb4 Txa1 19.Dxa1 De3 and Leko retreated 20.Ae2 ( instead of the mistaken 20.Db1? e4! 21.fxe4 Ce5 winning a piece (Bartel - Machaj, Poland 2000). The position after 20.Be2 isn't bad for Black but Babula has opted for another way.) ] 16.Txc1 b6 Black should prevent c4-c5. 17.a3 Rh8 18.Dd2 Ab7 19.Tc2 The game steps into the phase of positional manoeuvres. Each side tries to improve the co-ordination of his pieces. 19...Tc8 20.Tfc1 Dh4 Black plans the pawn sacrifice e5-e4 f3xe4 f5-f4 in an opportune moment gaining the e5 square for the knight. 21.g3 De7

[ 21...Dh5 deserved attention.] 22.f4 It's time to change the pawn structure. 22...g6 [ If 22...e4 then 23.Af1 Tfe8 24.De3 and White has various offers for his knight: Na4 or Ne2-d4.] 23.Rg1! Everyone calls it prophylaxis. 23...exf4 24.gxf4 Tfe8 25.Af1 Rg8 Black has another reason to touch his king. He prepares for the exchange of queens and wants the king to be closer to the centre in the ending. 26.Df2 De3 27.Dxe3 Txe3 28.Rf2 Tee8 [ Black doesn't get anything special after 28...Tce8 29.Te2 Cf6!? 30.h3!; 28...Te7 looks slightly better.] 29.Ad3 Rf7 30.h3 Te7 31.Ce2 This manoeuvre may seem unpleasant for Black but in fact he has enough resources to protect the e6-square. 31...Tce8 32.Cd4 Te3?

This move allows White to carry out a little combination but Ivanchuk misses this opportunity. [ Right was 32...Cf6 and if 33.Ce6 then 33...Ac8] 33.Tc3? [ After 33.Axf5! gxf5 34.Cxf5 Txh3 35.Cxd6+ Rf8 36.Cxb7 White is two pawns up.] 33...Txh3? Overlooking (or this time maybe underestimating) the capture on f5. Vassily doesn't slip two times! [ Black should have played 33...Rf6 with good chances to equalize.] 34.Axf5! Txc3 35.Ae6+ Rf6 36.Txc3 Thanks to the in-between check White has obtained a strong bishop. Now his advantage is clear. 36...Cf8 37.f5! gxf5 38.Axf5 [ Not 38.Cxf5? Cxe6 39.Cxd6 Tb8 40.dxe6 Rxe6=] 38...Cg6 39.Th3 Ac8?! [ 39...Te7 was more stubborn.] 40.Axc8 Txc8 41.Tf3+ Rg5 The other moves lead to a loss of the d6-pawn. [ 41...Rg7 42.Cf5+; 41...Re7 42.Cc6+ Re8 43.Tf6; 41...Re5?! 42.Re3! Ce7 43.Rd3! threatening with Rf7 and Nf3# 43...b5 44.Te3+ Rf6 45.Te6+ Rf7 46.cxb5 axb5 47.Txd6] 42.Ce6+ Rg4

43.c5! bxc5 44.bxc5 The passed pawn inevitably appears and nothing can stop it from promoting. 44...Tb8 [ In case of 44...dxc5 45.d6 Ce5 trying to hold the pawn White checks 46.Tf4+ and Black can only choose between a loss of the knight and a curious mate - 46...Rh3 ( 46...Rh5 47.Tf5+) 47.Cg5+ Rh2 48.Th4#!] 45.cxd6! Tb2+ [ 45...Tb7 46.Cc5 Tb8 47.d7 Ce5 48.Tf6+-] 46.Re3 Ce5 [ 46...Tb3+ 47.Re4 Txf3 48.d7] 47.Tf4+ Rg3 48.Rd4 Cd7 49.Tf7 Black resigned. 1-0

(11) Atalik Suat (2575) - Grischuk Alexander (2702)
Bled 2002 Bled (6), 31.10.2002
[www,chesstoday.net]

Mistake of the day: 58.Ta8?? [ 58.Txa2 Rxa2 59.h6 Tc5 ( 59...Tg1 60.Rf5; 59...Rb3 60.Rg5 Rc4 61.h7 Th1 62.Rg6) 60.Rg4=] 58...Tc4+ 59.Rg5 Ta4 60.Tb8+ Ra3 0-1

(12) Dizdarevic Emir (2520) - Svidler Peter (2690)
Bled 2002 Bled (6), 31.10.2002
[V.Barsky (www.chesstoday.net)]

24...b5! [ 24...b5 25.cxb6 ( 25.Tb4 a5-+) 25...Axe4 26.Txe4 ( 26.bxa7 Axb1 27.axb8D Txb8-+) 26...Txb6 27.Tc1 Txc1+ 28.Axc1 Tb1 29.Tc4 Ab2-+] 0-1

(13) Morozevich Alexander (2707) - Kurajica Bojan (2548) [B01]
Bled 2002 Bled (6), 31.10.2002
[V.Barsky (www.chesstoday.net)]

1.e4 d5 2.exd5 Dxd5 3.Cc3 Dd6

Obviously, Kurajica did not want to risk a theoretical discussion in the main line - 3...Qa5. But the Scandinavian (especially with 2...Qxd5 and 3...Qd6?!) is a risky opening by itself: Black loses a lot of time. 4.d4 Cf6 5.Cf3 a6 6.Ae3 b5 7.Ad3 What can we say? White simply develops his pieces on good central squares while Black plays with his pawns. Maybe Black tried to provoke his opponent into some sacrifices, but Morozevich wasn't tempted. 7...Ab7 8.De2 e6 9.0-0-0 b4 10.Cb1!?

An interesting desicion. After [ 10.Ca4 Cbd7 the white knight has to stay on a4, while after the text move it has more opportunities: it may go to c4 or c5 or a5 via b3.] 10...Cbd7 11.Cbd2 Cb6 12.Cb3 Black defended the c4-square, and so the knight on d2 changed its route. 12...Dd5 There too many Black pieces that would like to occupy this central post! Which means that Black hasn't enough other good squares for his pieces. 13.Rb1 Dh5 14.Thg1 Ca4

In any case Black's position has to be difficult (nobody has the right to ignore all opening principles!), but last the move is also defiant. [ 14...Axf3 15.gxf3 g6 ( 15...a5 16.Ab5+ Cbd7 17.Ag5+/-) 16.Axa6!?+/-; 14...Ae7!?] 15.g4!? [ Also interesting was 15.Ag5!? with the unpleasant threat of Bb5+.] 15...Dd5 [ 15...Axf3 16.Dxf3 Dd5 17.Dh3!? with idea of 17...Dd7 18.g5 Cd5 19.g6!; 15...Cxg4? 16.Ce5 Cf6 17.Ab5+ axb5 18.Dxb5+ Rd8 19.Dxb7->] 16.Ce5 Ce4 A bit unexpected - Black also creates a threat - Nc3+. 17.Ad2 Cxd2+ 18.Txd2 Cb6 Black protects the c4-square against Bc4, for example: [ 18...Ae7 19.Ac4 ( 19.f3!?) 19...De4 20.Dxe4!? ( 20.Ab5+? axb5 21.Dxb5+ Rf8) 20...Axe4 21.Te1 Ab7 ( 21...Ag6 22.d5+/-) 22.Ca5 Ac8 23.d5|^] 19.Te1 Ae7

20.Cc5!? A sign that the storm is coming! 20...Axc5 21.dxc5 Dxc5[] 22.Cxf7! 0-0! [ 22...Rxf7 23.Dxe6+ Rf8 24.Te5+-] 23.Ce5 As a result of this tactical operation White has only ruined his opponent's pawn structure. Of course White has an advantage, but maybe he missed an opportunity somewhere to gain more. 23...De7 24.Ae4 Strong positional move: White would like to exchange the good bishop on b7 and thus weaken the light squares in Black's camp. 24...Cd5?!

This move would be good, if not for... 25.Cg6! The second nice knight jump! 25...Cc3+ [ 25...hxg6 26.Axd5 Axd5 27.Txd5 Df7 28.Td2!?+/-] 26.bxc3 hxg6 27.c4 [ 27.Axb7? bxc3 28.Td4 Tab8] 27...Axe4 28.Dxe4 Now black loses a pawn. 28...Tae8 29.Dxg6 Tf6 [ Maybe better was 29...Df6 , which offers a rook endgame a pawn down.] 30.De4 Df7

31.g5!? Of course White could simply defend the pawn on f2, but Morozevich finds stronger move. 31...Tf5 [ I didn't find a forcing refutation of 31...Txf2!? even though Black's position still looks precarious. Of course: 32.g6 Df3 33.Dxe6+!? ( 33.Txf2!? Dxf2 34.Td1+/-) 33...Txe6 34.Td8+ Df8 35.Txf8+ Rxf8 36.Txe6 a5 37.Ta6+/-] 32.h4 Tf4 33.Dc6 [ 33.g6!?] 33...Txh4 34.Tde2 Td4 35.Txe6 Tf8 [ 35...Txe6 36.Txe6 Td1+ 37.Rb2 Dd7 ( 37...Dxf2? 38.Te8+ Rh7 39.De4++-) 38.Dxd7 Txd7 39.Txa6+-] 36.g6 Dxf2 37.Dxc7 Df4 38.Db7 I suspect Black had lost on time here, but in any case his position was very difficult, for example: [ 38.Db7 Dg4 ( 38...Txc4 39.Tf6!! ( 39.Te8+-) 39...Dxf6 40.Dd5+ Rh8 41.Dh5+ Rg8 42.Dh7#) 39.T6e4! Txe4 40.Dd5+ De6 41.Txe4 Dxd5 42.cxd5+-] 1-0