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Wesley So vs Vasyl Ivanchuk
World Cup (2009), Khanty-Mansiysk RUS, rd 2, Nov-25
Slav Defense: Exchange Variation (D13)  ·  1/2-1/2

ANALYSIS [x]

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Kibitzer's Corner
Nov-25-09  Ezzy: So,Wesley (2640) - Ivanchuk,Vassily (2739) [D13]
World Chess Cup Khanty-Mansiysk/Russia (2.2), 24.11.2009

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 <The perfect choice when you are 1–0 up> 4...cxd5 5.Nc3 Nc6 6.Bf4 a6 7.Rc1 Bf5 8.e3 e6 9.Qb3 Ra7 10.Ne5 Nxe5 11.Bxe5 Nd7 12.Bg3 Be7 13.Be2 0–0 14.0–0 Qa8< Novelty. 14...b5 is usually played. >15.Nb1 Rc8 16.Bd3 <Threatening 17 Bxf5 exf5 18 Qxd5> 16...Bxd3 17.Qxd3 Rc6 18.Rc2 Nb6 19.Rfc1 Nc4< Threatening to win a pawn by 20..Nxb2 (21 Rxb2?? Rxc1> 20.Nd2 Nxd2 <[20...Nxb2 21.Qb3 Nc4 22.Nxc4 dxc4 23.Rxc4 Winning the pawn back with a better position.] >21.Qxd2 a5< For the reason if 22 Rxc6 bxc6 23 Qc3 Ra6 defends the pawn.> 22.Qd3 a4 23.f3 Raa6 24.e4 Qd8 25.Rxc6 Rxc6 26.Rxc6 bxc6< Wesley must have been delighted that he has achieved this position from the opening.> 27.Bf2 h5 28.Be3 Qa5 29.Kf2 h4 30.g4?< Unecessasarily giving Ivanchuk dangerous counterplay.> 30...h3< [Threatening 31...Bh4+ 32.Kg1 Qe1+ 33.Qf1 Qxe3+ Winning] > 31.Kg3 Qe1+ 32.Kxh3 dxe4 33.Qxe4 Qf1+?< Ivanchuk misses a great chance to put Wesley under a lot of presure. [33...Qe2! 34.g5 (34.Bf4 Qf1+ 35.Kg3 Qg1+ 36.Kh3 g5 37.Bd2 Qf2 38.Qd3 f5 and whites position is falling apart.) 34...Bd6 35.f4 Qxb2 36.Qg2 Qa3 37.Qf2 c5 38.Kg2 c4 and black has the initiative.]> 34.Kg3 Bd6+ 35.Bf4 Bb4< with the idea 36... Be1+ winning >36.g5 Be1+ 37.Kg4 Qg2+ 38.Bg3 Bxg3 39.hxg3 Qxb2 40.Qxc6 Qxd4+ 41.f4 <and Wesley escapes the danger.> 41...g6 42.Qc2 a3 43.Kf3 e5 44.fxe5 Qxe5 45.Qd3 Qb2 46.Qd5 1/2-1/2 < So wins 1.5 to 0.5>

I think I should quote Mr <rk2> from the Wesley So forum :-)

<zk2: allelujah...!!!!
allelujah...!!!!
allelujah...!!!!
allelujah...!!!!
allelujah...!!!!
allelujah...!!!!
allelujah...!!!!>

Yes, a magnificent match win for the talented Wesley So. The game got a bit nervous towards the end, but Wesley held his nerve to pull off a memorable match victory. The number 1 seed is out; a victim of a rising chess star - GM Wesley So

Hope you Wesley fans have a great day!!

Nov-25-09
Premium Chessgames Member
  Peligroso Patzer: <Ezzy: *** The number 1 seed is out ***>

This match win (cf. game one of the match played yesterday: Ivanchuk vs W So, 2009.) was an impressive accomplishment for Wesley So, but, to set the record straight, based on the ratings being used in this event, Ivanchuk was actually the No. 6 seed.

Nov-25-09  cloybloy: Right strategy for Wesley So. Nothing fancy and just enough to secure the half point. Kudos to Wesley!
Nov-25-09  zanshin: When Ivanchuk played <30...h3>, I was sure he had seen the line up to <33...Qe2> (diagram) threatening both the b-pawn and ...Bd6.


click for larger view

[-1.48] d=20 34.g5 Bd6 35.f4 Qxb2 36.Qg2 Qa3 37.Qf2 c5 38.Kg4 c4 39.Kf3 g6 40.Qc2 c3 41.h4 Qb4 42.Qd3 Qb2 43.Qa6 Bf8 44.Qxa4 c2 45.Qc4 Ba3 46.f5 exf5 47.d5 Qb1 48.Qc8 (0:04.49) 36466kN

Lucky for Wesley So fans, he erred with <33...Qf1+?>

Nov-25-09  Eyal: <Ezzy: Ivanchuk misses a great chance to put Wesley under a lot of presure. 33...Qe2! 34.g5 Bd6 35.f4 Qxb2 36.Qg2 Qa3 37.Qf2 c5 38.Kg2 c4 and black has the initiative.>

<zanshin: [-1.48] d=20 [33...Qe2] 34.g5 Bd6 35.f4 Qxb2 36.Qg2 Qa3 37.Qf2 c5 38.Kg4 c4 [etc.]>

In this line, at the position reached after 35.f4:


click for larger view

Isn't <35...Bb4!> (instead of Qxb2) even stronger for Black? The threat is to win a piece by Bd2 (since after f4 the queen on e4 is undefended, so that the bishop on e3 is pinned) - and White's only way to prevent this is by 36.d5 cxd5 37.Qxb4 Qxe3+ 38.Kg2/g4 d4 and the advanced d-passer is a monster.

Nov-25-09  zanshin: <Eyal> I did a head-to-head comparison of just the two moves in question, and think you are right.


click for larger view

[-1.64] d=20 35...Bb4 36.d5 cxd5 37.Qxb4 Qxe3 38.Kg4 d4 39.Qb8 Kh7 40.Qe5 Qg1 41.Kh3 Qf1 42.Kg3 d3 43.g6 fxg6 44.Qe3 Qb1 45.a3 Qd1 46.Kf2 Qc2 47.Kf1 Qc4 48.Kf2 Kg8 49.Ke1 Kh8 (0:28.04) 86398kN

[-1.49] d=19 35...Qxb2 36.Qg2 Qa3 37.Qf2 c5 38.Kg2 c4 39.Kf3 c3 40.Qc2 g6 41.h3 Qb4 42.Qd3 Qb7 43.Kg3 Qb2 44.d5 e5 45.fxe5 Bxe5 46.Kf3 c2 47.Qc4 Qb1 48.h4 Kg7 (0:18.59) 58731kN

Nov-25-09  Ezzy: <Eyal: Isn't <35...Bb4!> (instead of Qxb2) even stronger for Black?> Yes, Nice move that <Eyal>. I've tried lots of lines and 35...Bb4 looks pretty strong to me, and that passed 'd' pawn certainly causes havoc.

<zanshin:> In your 35...Bb4 line, instead of 45...Qd1 It seems better is 45...Qf1 46 Qd2 g5 47 fxg5 Kg6 48 Qe3 Qf5 and this must be winning for black in all variations.

I suppose when Ivanchuk turns his computer on tonight and goes through the game, he will be dreaming of 'what could have been.'

Unfortunately Caissa doesn't give humans the luxury of seeing everything in a chess position.

Great win by Wesley though. I wonder what treasures are hidden in the Kamsky v So game tomorrow. Looking forward to that encounter.

Nov-25-09  ralphch0: this game is like ricky hatton vs. manny pacqiuao in boxing. ivanchuk wanted to attack wesley early in the game and but wesley defend the game so accurately and so ivanchuk got punched by wesley in the first round. wesley then knock out ivanchuk in the second round like what manny did to ricky...a west vs. east war indeed...lets see So vs. Kamsky...(Pacqiuao vs. mayweather) hehe... just love this two sports!
Nov-25-09  Plato: <ralphch0: this game is like ricky hatton vs. manny pacqiuao in boxing. ivanchuk wanted to attack wesley early in the game and but wesley defend the game so accurately and so ivanchuk got punched by wesley in the first round. wesley then knock out ivanchuk in the second round like what manny did to ricky...a west vs. east war indeed...>

Uh, what?

Nov-26-09  Abdooss: Mabuhay ka Wesley So!
Nov-26-09  Nf3em: in this game both players commit 1 mistake each ... the dubious 30.g4 on the the part of GM Wesley So ... while GM Vassily Ivanchuk commit his on 33.Qf1+ ... from there both played correctly and thus a draw -- a ticket for GM Wesley So to face GM Gata Kamsky in the Round 3! ...
Nov-26-09  zanshin: <Ezzy: <zanshin:> In your 35...Bb4 line, instead of 45...Qd1 It seems better is 45...Qf1 46 Qd2 g5 47 fxg5 Kg6 48 Qe3 Qf5 and this must be winning for black in all variations.>

<Ezzy> I did another head-to-head and believe you too are correct. This all shows the power of 'sliding forward' analysis.


click for larger view

[-4.51] d=17 45...Qf1 46.Qd2 g5 47.fxg5 Kg6 48.Qc3 Qg1 49.Kf3 Qd1 50.Kg3 Qe2 51.Qc4 (0:21.52) 134177kN

[-1.66] d=14 45...Qd1 46.Kf2 Qc2 47.Kf1 Qb3 48.Ke1 Qc4 49.Kf2 (0:01.03) 6256kN

<Great win by Wesley though.>

Well, actually the game was a draw - but I know what you mean ;-)

Nov-26-09  SetNoEscapeOn: <Plato: <ralphch0: this game is like ricky hatton vs. manny pacqiuao in boxing. ivanchuk wanted to attack wesley early in the game and but wesley defend the game so accurately and so ivanchuk got punched by wesley in the first round. wesley then knock out ivanchuk in the second round like what manny did to ricky...a west vs. east war indeed...> Uh, what?>

There are some people on this site that seem incapable of expressing themselves in terms of anything other than Manny Pacqiuao or Wesely So. It's just his normal way of communicating.

Nov-26-09  LimSJ: <SetNoEscapeOn>: LOL, i can't help but agree and say Thank You! for understanding ralphch0's "normal way of communicating" .. <ralphch0>: with due respects to our few shining Philippine sports stars, don't mix boxing with chess here 'cos they won't understand. So may have "knocked out" Chucky over the board but can you imagine what mood Chucky will be in and beating the crap out of So off the board with his fists?!
Nov-27-09  Neilson1973: go go go wesley so....
Apr-11-10  The Rocket: Why would you play the slav defence in a must win situation??

Of course Wesley will play exchange variation and its close to impossible to win againtst someone who is not interested in more than a draw at this level.

Apr-11-10  acirce: He did get a winning position, so it can't have been all that impossible. But what opening do you recommend for Black against 1.d4 in a must-win situation?
Apr-11-10  The Rocket: I recommend kings indian of course and to avoid exchange variation play nd7 instead of e5.

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