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Henrikas Asauskas vs Vidmantas Malisauskas
LTU-ch (2004), Vilnius, rd 1, Apr-23
Sicilian Defense: Najdorf Variation (B90)  ·  1-0


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sac: 19.Qf6+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Premium Chessgames Member
  gofer: For those that want to play the only defense that holds back white's attack... ...another Crafty link..

Premium Chessgames Member
  Abdel Irada: <A pair o' paradoxes, and that old black magic>

— At first glance, Black is very much in this game: His position is fairly solid, and he has activity, with threats of ...♗xg5 and potentially ...d4, as well as a prospective incursion on White's queenside with ...♕a5.

All of this makes it striking to observe how helpless Black is to stop a decisive penetration on the h-file, as we will see:

19. ♕f6†!, ♗xf6;
20. gxf6†, ♔g8;
21. ♖xh7!, ♔xh7 (otherwise, 22. ♖g7† and 23. ♖h3#);
22. ♖h3†, ♔g8;
23. ♗h6!

— White has given up his queen to build a tomb for Black's king. Now Black would dearly love to sell back all the material for mere survival. But with all of his apparent options, he can't find a way to do it.

23. ...♕c7 (forces a reply);
24. f4!, ♕a5 (the final try);
25. ♗g7, ♕a1†

— And now we see the culmination of the curse: Because of the precise placement of White's pieces, Black has nothing left but meaningless delays:

26. ♘d1, ♕xd1†
27. ♔xd1 0-1. Black can't stop mate on h8.

Jul-29-12  gars: <An Englishman> is right! I guessed the first three moves spot on and believe me, I am a confirmed rabbit!
Jul-29-12  Zatrikion: 19.Qf6+ and Black will get mated or in their best case be a R down: a)19..Kg8
20.Rh6 (to block the h pawn and mate is near with Rgh3 and Rxh7.King cannot escape!)

20.gxf6+ and now:

21.Rh6(mate close as in case a)

21.exf6+ Kxf6
22.Rf3+ and white B will take the Rf8 on all cases (22..Kg7 23.Bh6+ and Bxf8, 22..Ke7 23.Bxc5+ and Bxf8, 22..Ke5 23.Bf4+ Kf5 24.Be6+ and Bxf8).White is a R up.

21.Rh6 Rg8
22.Rgh3 Rg7
23.fxg7+ Kxg7(Kg8 and g pawn will soon be promoted!)
24.Rxh7+ Kf8(Kg8 and mate soon)
25.Rh8+ Ke7
26.Bg5+ Kd7
27.Rxd8+ White is a R up.

Premium Chessgames Member
  Marmot PFL: Fastest I ever saw a Sunday problem, but I had seen the plan before of the pawn on f6 supporting Bg7, with the rook giving mate on h8.
Jul-29-12  FairyPromotion: <An Englishman: Good Evening: Too easy for a Sunday--a puzzle always is if I can solve it. Just out of curiosity, does 21.Rh6,Qc7; 22.f4 also work?>

After Rh6 black can play d4, which forks the Knight, and the Bishop, and opens up the d file for the Queen. Even after Qc7, f4, black still has d4, which will also enable black's light square bishop to manuever it's way to g2, and then h5, thus disconnecting the rooks. I think black is better in every variation after Rh6.

BTW not that anyone cares, but this was the first time I ever solved a Sunday puzzle (besides Karjakin v Anand that I already knew). YAY!!

Premium Chessgames Member
  chrisowen: Eureka steam forger sac in f6 opens the way it is olive branch in

extend it took on a new dimension for heading off queen pave the

road to allow in chest queen rifle f6 Bxf6 gxf6+ and black will get

mated in hcolomn, as carry on Rxh7 kxh7 rh3+ ointment for the fly it

sour in g8 bh6 gives me ar catch in 5 mate now in kaiserin f6

gobbled in by queen light is a piece up and almost bound to get

rookf8 in bishop pin king steps out have g5 staple diet in ko g7 bh6 + as tenure in gaining a space for be7 bad call it allow in ground a

g4 effect in starting a kingside am entrance in g5 forces blacks

concession in h6 f6 queen supports too rook battery in light seems

it b7 in elly it b8 a moral one castle duty at b4 system cover the

mating melee guarding h4 lovely foresight bade spot rookh7.

Premium Chessgames Member
  OBIT: It's curious how Crafty seems to misplay this position. If you start with 19. Rxh7+ Kxh7 20. Rh3+, Crafty plays 20...Kg7 and gets mated, when 20...Kg8 puts up a strong defense. If you start with 19. Qf6+ Bxf6 20. gxf6+, Crafty plays 20...Kg8 and gets mated, when 20...Qxf6 holds off the mate. And here we all thought the chess engines never miss a mate.
Premium Chessgames Member
  agb2002: White has a bishop and a knight for the bishop pair.

Black threatens Qc7 and d4.

The poorly protected black castle invites to play 19.Qf6+:

A) 19... Bxf6+ 20.gxf6+

A.1) 20... Kg8 21.Rxh7

A.1.a) 21... Kxh7 22.Rh3+ Kg8 23.Bh6

A.1.a.i) 23... Qa5 24.Bg7 Qa1+ 25.Kd2 and mate in two.

A.1.a.ii) 23... d4 24.Bg7 dxc3 25.Rh8#.

A.1.a.iii) 23... g5 24.Bg7, etc.

A.1.b) 21... d4 22.Rgh3 and mate in two.

A.1.c) 21... Qxf6 22.exf6 Kxh7 23.Rh3+ Kg8 24.Bh6 followed by Bg7 and Rh8#.

A.2) 20... Kh8 21.Rxh7+ as in A.1.

A.3) 20... Qxf6 21.exf6+ Kxf6 (21... Kg(h)8 22.Rxh7 as in A.1.c) 22.Bg5+

A.3.a) 22... Ke5 23.Be7

A.3.a.i) 23... Rfc8 24.f4+ Kd4 (24... Kf5 25.Rg5#) 25.Rd3#.

A.3.a.ii) 23... d4 24.f4 Kf5 25.Rg5#.

A.3.a.iii) 23... g5 24.Rxg5+ f5 25.Bxc5 and Bd4# (or Bxd4#).

A.3.b) 22... Kf5 23.Be7 with the double threat Rg5# and Bxf8.

A.3.c) 22... Kg7 23.Bh6+ and 24.Bxf8.

B) 19... Kg8 20.Rxh7 Bxf6 (20... Kxh7 21.Rh3+ Kg8 22.Q(R)h8#) 21.gxf6 transposes to previous lines.

Jul-29-12  LIFE Master AJ: I looked at 19.Qf6+, almost instantly.

The reason? I was playing Fritz 12 ... about a year ago ... and it hit me with this same mating web, I was unable to believe it - not at first, at any rate. (I showed a game to some of my friends at the club.)

Premium Chessgames Member
  Jimfromprovidence: <gofer> < 19 Qf6+ Kg8>
<20 Rxh7!>

<forces black to transpose back into the main line as the alternative is >

<20 ... Kxh7>
<21 Rh3+ Kg8>
<22 Rh8#>

Thanks for the correction. I really underestimated white's position in this puzzle.

Now I appreciate 20 gxf6+ instead of 20 exf6+ as 20 gxf6+ frees up the diagonal for Bh6.

Jul-29-12  LIFE Master AJ: Black can avoid the mate by giving back the ♕ and taking on f6. It is still hopelessy lost, however.
Jul-29-12  LoveThatJoker: <19. Qf6+!>

A) 19...Bxf6 20. gxf6+ Qxf6 21. exf6+ Kxf6 (21...Kg8/21...Kh8 22. Rxh7! mating as in lines 'B' and 'C') 22. Rf3+ Kg7 (22...Ke7 23. Bxc5+ ; 22...Ke5 23. Bf4+ Kf6 24. Bh6+ any 25. Bxf8 ) 23. Bh6+

B) 19...Bxf6 20. gxf6+ Kg8 21. Rxh7! Kxh7 (21...Re8 22. Rgh3 mating; 21...d4 22. Rg7+ Kh8 23. Rh3#) 22. Rh3+ Kg8 23. Bh6! Qc7 (23...Qb8 24. f4! mating; 23...Re8 24. Bg7 mating) 24. f4! and Black has no defense to White playing Bg7 and Rh8#

C) 19...Bxf6 20. gxf6+ Kh8 21. Rxh7+! Kxh7 (21...Kg8 22. Rg7+ Kh8 23. Rh3#) 22. Rh3+ Kg8 23. Bh6! Qc7 (23...Qb8 24. f4! mating; 23...Re8 24. Bg7 mating) 24. f4! and Black has no defense to White playing Bg7 and Rh8#

D) 19...Kg8 20. Rxh7! and White wins as in line 'B'.


Jul-29-12  LoveThatJoker: YES! How sweet it is!



Premium Chessgames Member
  PhilFeeley: I saw Qf6, but not the rook sac. Awesome!
Jul-29-12  amateur1971: what if 20...Qxf6! could is save the day for black? giving back the sacked queen.
Premium Chessgames Member
  perfidious: < amateur1971: what if 20...Qxf6! could is save the day for black? giving back the sacked queen.>

White interpolates 21.Bh6+ and 22.exf6 winning, with Bg7(+) coming next. More material or the king goes.

Jul-29-12  Patriot: If there is anything here, it is a kingside attack. 19.Rxh7+ Kxh7 20.Rh3+ Kg7 looks too slow. By distracting the bishop away from f6 via 19.Bxc5, it allows the queen to go into that square with check.

19.Bxc5 Bxc5 20.Qf6+ Qxf6 21.gxf6+ Kg8 22.Rh6 Rc8 23.Rh3 Kf8 24.Rxh7 Ke8 25.Rg7 Bf8 26.R3h7

26...Rc7 27.Rxg6

26...Bxg7 27.fxg7 Kd7 and this seems to fail.

I'm not sure what I missed here. I'll revisit 19.Rxh7+:

19.Rxh7+ Kxh7 (19...Kg8 20.Rgh3 ) 20.Qg2 Kg7 and this seems to fail.

Apparently I missed a key line somewhere--probably in the 19.Bxc5 line.

Jul-29-12  Patriot: Wow, 19.Qf6+ right away! I looked at that briefly but thought it failed. Oh well, I would never have time to figure something like this out during a game anyway.
Premium Chessgames Member
  David2009: H Asauskas vs V Malisauskas, 2004 postscript: <gofer: For those that want to play the only defense that holds back white's attack... ...another Crafty link..>

Thanks <gofer>! Most instructive link - Black successfully postpones mate! The Queen sacrifice yields White a profit of a whole piece for starters, with an exchange on f8 if he is feeling materialistic. First time round I failed to grab the Black Rf8 and gave up. Second time around I ground out a win after blundering back an exchange -I was left with an extra centralised N which was too strong.

Jul-29-12  The Last Straw: hooray, got today's puzzle. I remember this kind of thing (Not this exact puzzle) from a puzzle in John Emms' book
Jul-29-12  James D Flynn: Material is equal but White has a mating attack by Qf6+, gxf6, Rxh7, Rh3+, Bh6,Bg7, and Rh8# in some order, but he cannot allow Black to play either f5 when the K can escape to the center via f7 or h5 when gxh6 would create a haven for the Black K on h7 or when Black can reply to Rxh5 by gxh5. Black’s counter chances rely on the long white diagonal via d4, and if the N moves Qd5 if it stays dxc3 followed by Qd5. The d4 threat cannot be allowed to take the black square B on e3 which is needed fpr the mating attack. Hence White’s first move must be a check: candidates Qf6+ and Rxh7+. 19.Qf6+ Bxf 6 20.gxf6+ Qxf6+ (if Kg8(if Kh8 21.Rxh7+ Kxh7 22.Rh3+ Kg8 23.Bh6 d4 24.Bg7 and the mate on h8 cannot be stopped)21.Rxh7 d4 22.Rh3 and the mate on h8 cannot be stopped) 21.Bh6+(if 21.exf6+ Kxf6 and Black has 2pawns for his B and the K has an escape square on e7) Kh8 22.exf6 Rg8 23.Bg7+ Rxg7 24.exg7 Kxg7 and White emerges with a R for 2 pawns and should win the endgame but it will be long and arduous with Black’s solid pawn chain. 19.Rxh7+ Kxh7 20.Rh3+ Kg8 21.Qf6 Bxf6 22.gxf6 d4 23.Bh6 dxc3 24.Bg7 and mate on h8 cannot be stopped,
Premium Chessgames Member
  OBIT: <James D Flynn>After 19. Rxh7+ Kxh7 20. Rh3+ Kg8 21. Qf6 Bxf6 22. gxf6 d4 23. Bh6 dxc3 24. Bg7 Black mates first by 24...Qd2+ 25. Kf1 Qd1#. This line is the main problem with playing 19. Rxh7+.
Jul-29-12  njchess: This is a first. I got today's puzzle in under 10 seconds! Normally Sunday takes me about 10 minutes (or more). I think what makes this puzzle easier than most Sunday's is that Black has really no counter play.
Jul-29-12  stst: 19.Qf6+ BxQ
20.gxB+ then (A)Kg8 or (B)Qxg6
IF (A)...21.Rxh7 Kxh7, 22.Rh3+ Kg8
23.Bh6 Qc7, 24.f4 to protect the P at e5.
IF (B)... 21.Rxh7+ Kxh7, 22.exf6 and Black has no good move to defend the exposed K in the corner.
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