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Alexey Shirov vs Wang Hao
Russian Team Championship (2009), Dagomys, rd 2, Apr-05
Sicilian Defense: Najdorf Variation. Poisoned Pawn Accepted (B97)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Apr-05-09  ruelas007: man this proves that i suck at tactics, i shouldnt be saying this (for common sense) but i cant see why black cant take, am i suffering from temporal blindness or do i realy suck?
Apr-05-09  crwynn: I couldn't see it either, it's 23...Qxh6 24.Nf6+ Kh8 25.Bg5 and if the Q moves then 26.Qh4+ wins.
Apr-05-09  ruelas007: waa, i missed Qh4+ nicely done <crwynn>
Apr-06-09  notyetagm: <notyetagm: <TODO> Figure out why Wang Hao cannot play 23 ... Qh5xRh6 in Shirov vs Wang Hao, 2009;

<crwynn: I couldn't see it either, it's 23...Qxh6 24.Nf6+ Kh8 25.Bg5 and if the Q moves then 26.Qh4+ wins.>

23 ♖d6xh6!! 1-0


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(CONT)


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Apr-06-09
Premium Chessgames Member
  arsen387: <notyetagm: Playing the Poison Pawn variation against the tactical god Shirov must be the definition of clinically insane.> LOL! well said, great game by Shirov.
Apr-06-09  notyetagm: <arsen387: <notyetagm: Playing the Poison Pawn variation against the tactical god Shirov must be the definition of clinically insane.> LOL! well said, great game by Shirov.>

LOL

Apr-06-09  notyetagm: GM Golubev in CT-3072 gives Shirov's 23rd move the !!: 23 ♖d6xh6!! 1-0.
Apr-06-09  Warheart: LOL

Rook sac is amazing, but it took me a while to fully understand the idea behind it :)

Apr-06-09  notyetagm: <Warheart: LOL

Rook sac is amazing, <<<but it took me a while to fully understand the idea behind it :)>>>>

That's why it's 23 ♖d6xh6!!. :-)

Apr-06-09
Premium Chessgames Member
  whiteshark: I wonder where Wang could have done better?
Apr-06-09  TrollKing: Rybka 2.2n2 gives an eval of +1.86
after: 23... Qxh6
24 Nf6+ Kh8
25 Bg5 Qh7
26 Nxh7

+1.86 should be good enough to win, but it's not over the top dominating.

Hao must simply have been demoralized after the rook sac. He was looking at a difficult, and most likely lost, defense.

Apr-06-09
Premium Chessgames Member
  whiteshark: <21...Nxb4 22.Rxh6 Nd5 23.Qd2 gxh6 24.Bxd5> wasn't any better.


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Apr-06-09  dumbgai: <Playing the Poison Pawn variation against the tactical god Shirov must be the definition of clinically insane.>

What, the god that served as Kasparov's whipping boy for over a decade? This is the first good attacking game that I've seen Shirov win in a long time.

Apr-06-09  Bertorelli: <+1.86 should be good enough to win, but it's not over the top dominating.>

but after this there is nothing better than
26 ... Kxh7
27 Qh4 Kg8
28 Bf6 gxf6
29 Qxf6 Be6
30 Qg5
and the bishop drops and it is really over

Apr-06-09  notyetagm: <dumbgai: ... This is the first good attacking game that I've seen Shirov win in a long time.>

Shirov vs L Cyborowski, 2008

Apr-08-09  Philidor: A beautiful and desicive sac, hidden for the mediocre mind. Shirov is still shining, from time to time.
Apr-09-09  Ulhumbrus: In the variation 23 Rxh6!! Qxh6 24 Nf6+! Kh8 25 Bg5!! (notyetagm) the point of the pair of moves Nf6 and Bg5 is that Black's Queen is then short of squares to use to defend the h file against the coming check Qh4+
Apr-10-09  Stanley Yee: Black must prevent the threat of discovered attack with 15...Qxe5 16.Be2 Bc5 and knock off the Knight to prevent any sac threats on "e6". Always wiser in hindsight ... Even better, don't play the PPV!
Apr-10-09
Premium Chessgames Member
  Eyal: <crwynn: This game is pretty convincing, I think 15...Bc5 is not looking so good [...] After that Black's moves seem forced until move 21, where Wang blunders - but White has a strong attack anyway.>

By move 21 Black already doesn't seem to have good alternatives, as was already noted; but perhaps he can improve a move earlier by <20...Qh5> immediately - and if 21.Qf4 (21.Qg3 Qf5!; 21.Bg3 removes some of the pressure) Ne5 22.Rxh6, then 22...Qxh6 23.Nf6+ Qxf6 24.Bxf6 gxf6 25.Qxf6 Nbd7 (that's why it's important not to commit this knight to c6...) might hold, e.g. 26.Qg5+ Kh7 27.O-O f6.

<20...Re8>, however, would lose to 21.Bxf7+! Kxf7 22.Qb3+ Re6 23.O-O+ Nf6 24.Nxf6 gxf6 25.Rxf6+! Qxf6 26.Bxf6 Kxf6 27.Qf3+ Ke7 28.Rxe6+ Bxe6 (or 28...Kxe6 29.Qg4+ and 30.Qxc8) 29.Qxb7+ and 30.Qxa8.

Btw, according to chessbase database the position after 21...Qh5 was already reached in a game played about a year ago, where White found another nice winning idea:

[Event "St Petersburg FINEC GM-A"]
[Site "St Petersburg"]
[Date "2008.01.24"]
[Round "5"]
[White "Sjugirov,Sanan"]
[Black "Brodsky,Michail"]

[...] 22.Bf6 Nxf6 23.Nxf6+ gxf6 24.Rfxf6 Ne5 25.Rxh6 Nxc4 26.Qe7 1-0

Apr-10-09
Premium Chessgames Member
  Eyal: In fact, Sjugirov's <22.Bf6> may have been more accurate than Shirov's <22.Qf4>:

<The remarkable 22...a5! , as pointed out by Golubev in Chess Today (and Rybka), seems to hold. 23.Bf6 (23.b5 Nce5 24.Bb3 a4 25.Bd1 Ng6! 26.Bxh5 Nxf4 27.Rxf4 and now the once humble a-pawn becomes a monster: 27...a3 28.Rf1 a2 29.Rdd1 Ne5 ) [or 23.Ng3 Qe5 24.Bxf7+ Kh7 and in view of Black's counterplay White may have nothing better than forcing a perpetual by 25.Bg6+ Kg8 26.Bf7+ etc.] 23...Nxf6 24.Nxf6+ gxf6 25.Rxf6 Qg5 26.Rxf7 Qxf4 27.R7xf4+ Be6 28.Bxe6+ Kg7 > (http://chessmind.powerblogs.com/fil...)

Apr-13-09  notyetagm: http://chessmind.powerblogs.com/fil...
Apr-13-09  notyetagm: < Eyal: In fact, Sjugirov's <22.Bf6> may have been more accurate than Shirov's <22.Qf4>:>

Yes.

[Event "St Petersburg FINEC GM-A"]
[Site "St Petersburg"]
[Date "2008.01.24"]
[Round "5"]
[White "Sjugirov,Sanan"]
[Black "Brodsky,Michail"]

Apr-13-09  notyetagm: All in one place.

[Event "St Petersburg FINEC GM-A"]
[Site "St Petersburg"]
[Date "2008.01.24"]
[Round "5"]
[White "Sjugirov,Sanan"]
[Black "Brodsky,Michail"]
[Result "1-0"]
[Eco "B97"]
1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.Nc3 cxd4 5.Nxd4 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2 9.Rb1 Qa3 10.e5 dxe5 11.fxe5 Nfd7 12.Ne4 h6 13.Bh4 Qxa2 14.Rd1 Qd5 15.Qe3 Bc5 16.Nxe6 Bb4+ 17.c3 Qxe6 18.cxb4 0-0 19.Rd6 Qxe5 20.Bc4 Nc6 21.0-0 Qh5 22.Bf6 Nxf6 23.Nxf6+ gxf6 24.Rfxf6 Ne5 25.Rxh6 Nxc4 26.Qe7 1-0

CT-3072:

<and in Sjugirov-Brodsky, St Petersburg FINEK 2008 Black resigned. After 26...Qe5 , 27.Rdg6+ wins.>

Jul-20-14
Premium Chessgames Member
  refutor: <<sergeyvicherik> LOL, Wang Hao must have forgotten who was his opponent!!>

always a pleasure when that happens :)

Aug-04-14  Ke2: <Philidor: A beautiful and desicive sac, hidden for the mediocre mind. Shirov is still shining, from time to time.>

Gimme a break. The combination is beautiful and all that, but any strong player examines all checks and captures, especially when it isn't a position with a million things hanging.

Especially with the idea of the Nf6 fork hanging in the air, any say 2000+ would have found this.

The real strength is in the initiative and development, and presumably spotting this sequence on around move 16 - 19.

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