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Andrey Vunder vs Alexei Gavrilov
"One Hit Vunder" (game of the day Feb-11-2010)
St Petersburg White Nights op (2003), rd 8, Jun-29
Indian Game: Yusupov-Rubinstein System (A46)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
Feb-11-10  LPeristy: Yikes, white went from having dubious compensation to being lost so quickly that I'm not sure he even HAD compensation to begin with...
Feb-11-10  M3ANDROS: How does Black continue and finish off White?
Feb-11-10  brucejavier: M3ANDROS: How does Black continue and finish off White?

i reckon queens moves to any square , and knight check on f2, Kg1, then knight moves to d3 whites only move to Kh1 then picks up whites rook on e1, i think thats winning for black, i havent used any programmes so maybe im wrong. It's something i would play if i was playing the end.

Feb-11-10  310metaltrader: m3andros - black moves the horsie to check on f2 and then it is a discovered check when the king moves to g1 - white will lose the rook and it will be white's queeen against bishop,horsie and two rooks.
Feb-11-10  Once: Um ... I don't see a clean finish from here. One sample line from Fritz:

31. Qc2 Rd1 32. Qc4+ Kh8 33.Qe2 Nf2+ 34. Qxf2 Rxf2 35. Rxd1 Rxb2.


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Black has the advantage of bishop for two pawns and ought to win, but it ain't certain. Herr Fritzie evaluates the position after 30...Ne4 as -1.3, which is not normally resigning territory.

Feb-11-10  sfm: <310metaltrader: m3andros - black moves the horsie to check on f2 and then it is a discovered check when the king moves to g1> - but Rxe3 takes care of that. No, what we saw is an example of one of those who thinks he win a little by resigning early. While in rating 2311 is not so bad, you can always be sure that when you look the history of an early resigner it is unimpressive. Chess is a fight. Resigning is OK, when you can't stand the game anymore, but there's no honor in it. What would we say to a tennis player who walked out at 6-0, 6-0, 5-0 and three matchballs against him? We'd boo. All the great ones resigned late. For their level very late indeed. It's all in the dedication to what it the whole point of the game: winning, or at least not losing.
Feb-11-10  villageboy: If 31.Qc2, then 31... Nf2+, 32.Kg1 Rd1 wins outright. The position after Ne4 is indeed resignable.
Feb-11-10  RandomVisitor: After 28.Qh5 white might have drawing chances:

1: Andrey Vunder - Alexei Gavrilov, St Petersburg White Nights op 2003


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Analysis by Rybka 3 :

[-0.36] d=20 <28.Qh5> Bd2 29.e6 Re7 30.Re5 Rxe6 31.Rxe6 Nxe6 32.Qe8+ Nf8 33.g3 Bb4 34.Qe5 g6 35.Qf6 Rd1+ 36.Kg2 Rd2+ 37.Kg1 Re2 38.Qd8 Kf7 39.Qd5+ Kg7 40.Qd6 Re4 41.h4

Also, black missed potentially winning lines -1.31/19 21...a5 22.Rd1 Bd4+ and -1.57/18 25...Bd2 26.Qb6 Rdd7

Feb-11-10  drpoundsign: why did white ever sack it's cleric like that?
Feb-11-10  kevin86: After the attack is over,black will have two rooks and two pieces for the queen. Surely an easy win.
Feb-11-10
Premium Chessgames Member
  al wazir: If 26. Rxe4, then 26...Be3+ Kh1 27. Rd1+. If 31. Qxd4 Bxd4 32. Rxe4, then 32...Rf1#.
Feb-11-10  delibey: <villageboy: If 31.Qc2, then 31... Nf2+, 32.Kg1 Rd1 wins outright. The position after Ne4 is indeed resignable.>

After 32...Rd1 33.Qb3+ wins the bishop immediately and black is losing. The ending position is winning for Black with best play but it's hardly resignable in my humble opinion.

Feb-11-10  David2009:


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(Vunder vs Gavrilov 2003, 18?) 18 Rd1 was a mistake, but White's position is difficult after 18 Bxf6 despite (or because of) the opposite coloured Bishops. On-line Crafty link to play this position out: http://www.chessvideos.tv/endgame-t... So far I have not been able to find a satisfactory plan: of course this may just reflect the fact that Crafty plays this kind of tactical middle game much better than I do.

<Once: I don't see a clean finish [snip]> You can play the resignation position out against Crafty using the link below: http://www.chessvideos.tv/endgame-t... After 31. Qc2 Rd1 32. Qc4+ Kh8 33.Qe2 Crafty continues 33...Rxe1+ 34 Qxe1 Nf2+ 35 Kg1 Bb6 (all forced since move 33):


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And now 36 Qe2 Ng4+ 37 Kh1 Rc8 38 g3 (what else?) Rc1+ wins Q for R, leaving Black B+N for PPP ahead.

Feb-11-10  RandomVisitor: A final look at the proposed improvement 28.Qh5: after 28.Qh5 Bd2 29.e6 Re7 30.Re5:

1: Andrey Vunder - Alexei Gavrilov, St Petersburg White Nights op 2003


click for larger view

Analysis by Rybka 3 : <25-ply>

<1. (-0.35): 30...Nxe6> 31.Qh3 Rd6 32.Qh4 Re8 33.g3 Bb4 34.Qc4 Re7 35.h4

2. (-0.31): 30...Rxe6 31.Rxe6 Nxe6 32.Qe8+ Nf8 33.g3 Bb4 34.Qe5 g6 35.Qf6 Bd2 36.Kf1 Ba5 37.Qc6 Bb4 38.Qf6 Rd1+

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