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Jan Smeets vs Leinier Dominguez Perez
Corus (2010), Wijk aan Zee NED, rd 7, Jan-23
Sicilian Defense: Najdorf Variation. Neo-Classical Defense (B96)  ·  1/2-1/2
ANALYSIS [x]

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Kibitzer's Corner
Jan-23-10
Premium Chessgames Member
  Eyal: In A Hilario Ta Fier vs V Aveskulov, 2008 White allowed Black draw by perpetual with Ne3+/Ng2+; here, Smeets makes it more interesting by 21.Qxe3, allowing Dominguez to pick up both of his rooks, but in the end he has to force the perpetual himself (even though for a moment it starts looking a bit like Anderssen vs Kieseritzky, 1851 ...)
Jan-23-10
Premium Chessgames Member
  hedgeh0g: Funny how Smeets waves a perpetual, only to give one himself!
Jan-26-10  Atking: Few years ago I analysed the classical trick on f7 12.Qh5 NxNc3 13.Bd3 Nd5 14.0-0 Qb6+ 15.Kh1 Ra7 16.Rxf7 and White should be better. What's wrong with this obvious line? Trying again I can't find. 16...RxRf7 17.Rf1 and Bg6 is strong. What esle? Simplification by 13...Qb6? 14.bxNc3 Qe3+ 15.Qe2 Qxe5 16.QxQe5 dxQe5 17.hxg! white h passed pawn should favors white.
Jan-26-10  mrbiggs: This game is awesome!
Jan-26-10
Premium Chessgames Member
  Eyal: <Atking: Few years ago I analysed the classical trick on f7 12.Qh5 NxNc3 13.Bd3 Nd5 14.0-0 Qb6+ 15.Kh1 Ra7 16.Rxf7 and White should be better. What's wrong with this obvious line?>

The computer believes Black maintains equality after 12...Qa5, e.g. 13.Bc4 (13.g6 Nxc3 14.gxf7+ Kd7 probably isn't enough) 13...Nf4! (13...Nxc3? 14.00 Ra7 15.g6) 14.Qf3 Qxe5+ 15.Ne2 d5 16.Qxf4 Qxf4 17.Nxf4 Be7! And Black regains the piece; or 13.Bd3 Nf4 14.Qf3 Qxe5+ 15.Ne2 Nxd3+ 16.cxd3 Qd5 and White may have nothing better than repetition with 17.Qf6 Qe5 18.Qf3 Qd5 etc.

Jan-26-10  Atking: What's about 13.Bb5!!? <Eyal> 13...axB 14.0-0 Qa7+ 15.Kh1 Bg7 16.Ne4 Bxe5 17.g6! The position looks crazy 17...0-0! (17...Rf8 18.Bg3! BxBg3 19.Rxf7! RxRf7 20.g7!! one line which intrigued me a lot) 18.gxf+ Rxf7 19.Qg6+ Rg7 (Bg7 Nxd6 or Kf8 Bg3!) 20.Qe8+ Kh7 21.Rf8 looks strong. In all the positions are very unclear with more time I will have a looks but Bb5!!? seems to me, more challenging than Bc4. Thanks again for your co-operation.
Jan-26-10
Premium Chessgames Member
  Eyal: <Atking> Very nice - that's a very creative line! After 21...Rf8, though, it looks like it should be a draw after all:


click for larger view

Here Black has the resource 21...Rxg2! and now something which looks quite insane is 22.Kxg2 Qg7+ 23.Kh1 Bb7 24.Bd8 Nc7 25.Qf7 c5 26.Qf3 Qg6 27.Rf7+ Kh8 (27...Bg7? 28.Rxg7+ Qxg7 29.Rg1) 28.Rf8+ Kh7; or 22.Rf7+ Qxf7 23.Qxf7+ Rg7 and with all the material he gave up White may have nothing better than 24.Ng5+ hxg5 25.Qh5+ Kg8 26.Qe8+ etc.; or 22.Nf6+ Bxf6 23.Bxf6 Rxh2+! 24.Kxh2 Qf2+ and Black would give the perpetual.

But... after 12Qa5 13.Bb5 axb5 14.0-0 Qa7+ 15.Kh1 Bg7 16.Ne4 Bxe5 17.g6 0-0 White does seem to win convincingly with 18.Nf6+! 19.Bxf6 Nxf6 20.Rxf6 Kg7 21.Raf1 or 18...Kg7 19.Bg5! Rh8 20.Bxh6+ Rxh6 21.Ne8+ Kf8 22.Qxh6+ Kxe8 23.Rxf7.

So what should Black do? Perhaps 12...Qb6 (just like he played in the actual game...). Note that here 13.Bd3 Qe3+ 14.Qe2 Qxe5 15.Qxe5 dxe5 16.gxh6 f5! Is better for Black than the 12...Nxc3 line since there's still a knight on d5 White doesn't have Bf6-Bxe5, and 17.Nxd5 exd5 18.Bf6 Rxh6 19.Bxe5 would fail, of course, to 19...Re6; and in case of 13.Be2 there's 13...Ne3.

Jan-26-10  Atking: Oh I didn't see 21...Rxg2!! beautifull <Eyal> I think however White keeps a chance after in your line 24.Ng5+ is more challenging 24...hxN (As QxN there is Qd7+ (Rf7)) 25.Qh5+ Qh6 26.Rf7 Bg7 27.QxQh6+ KxQh6 28.Bxg5+ Kg6 29.RxBb7 Bxb2 30.Rg1 the rooks can file the King and h paw may be more dangerous than the balck pawns on the queen side.White does seem to win convincingly with Therefore your line <18.Nf6+!! BxNf6 19.Bxf6 Nxf6 20.Rxf6 Kg7 21.Raf1 (21...Qe3 22.h4! ~Bb7 23.gxf c5 (Qh3+) 24.Qg4+ Kh7 25.R1f4 is crushing) or 18...Kg7 19.Bg5! Rh8 20.Bxh6+ Rxh6 21.Ne8+ Kf8 22.Qxh6+ Kxe8 23.Rxf7.> is very good and clearly winning. I will take a look on your 12...Qb6 latter but my first impression is 13.NxNd5.
Jan-28-10  Atking: <Perhaps 12...Qb6 (just like he played in the actual game...). Note that here 13.Bd3 Qe3+ 14.Qe2 Qxe5 15.Qxe5 dxe5 16.gxh6 f5! Is better for Black than the 12...Nxc3 line Esince there's still a knight on d5 White doesn't have Bf6-Bxe5, and 17.Nxd5 exd5 18.Bf6 Rxh6 19.Bxe5 would fail, of course, to 19...Re6> More I look at Qb6 more I prefer this queen to the one in h5 :( Probably playable but ot as enjoying as I though previously :( Zannen.
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