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Johan Eriksson vs Johan Hellsten
Swedish Championship (2006), Gothenburg SWE, rd 10, Jul-11
Nimzo-Indian Defense: Classical. Berlin Variation Pirc Variation (E39)  ·  0-1
ANALYSIS [x]

FEN COPIED

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sac: 24...Qxa3+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jan-03-07  ax2kool: This one was Easy.....Mwahaha i got this one...Pretty game
Jan-03-07  SOUTHERN HEN: Pretty finish to a wide open game.
Jan-03-07  The17thPawn: <All> Would someone post how exactly Black is totally winning after 19...Rxf3. I confess that after 20.gxf3,Bxf3 21.Rg1 the threatened discovery looks lethal.
Jan-03-07  Fisheremon: <The17thPawn: <All> Would someone post how exactly Black is totally winning after 19...Rxf3. I confess that after 20.gxf3,Bxf3 21.Rg1 the threatened discovery looks lethal.> Firstly if 20. gxf3 then 20...Bf8 and Queen trapped. The idea's same as in the game just with tempo. The main line looks like 20.Bxe7 Rxc3+ 21.bxc3 Qxe7 22.Qxh5 Qxa3+ 23.Kd2 Nxc4+ 24.Ke2 Ba6 25.Qg5+ Kf8 26.Qf6+ Ke8 27.Qh8+ Qf8 28.Qxf8+ Kxf8 29.Ra1 Na5+ 30.Kf3 Rxc3+ and couple of pawns a-b decides the game.
Jan-03-07  TrueBlue: <cu8sfan> keep dreaming :)
Jan-03-07  Billy Ray Valentine: So unless I'm missing something here, the best black can do after 23. bxc3 is a perpetual--based on the posts here.

I wonder if a draw by perpetual was all black was hoping for when he played 22...Rxc3.

However right or wrong, my first instinct in that position would be to see if 22...Kf7 was viable (with the idea of moving the king to the queenside) and eventually attempting to win by exploiting white's positional weakness of doubled, isolated h-pawns.

Jan-03-07  The17thPawn: <Fisheremon> - Thanks for the enlightenment. Leave it to me to hang a queen with my proposed line of play.
Jan-03-07  gmgomes: 22...Rxc3 only gives black a small edge (-0,30) after: 23. bxc3 Qxa3+ 24. Kd2 NxC4+ 25. Ke2 Qb2+ 26. Kf1 Nd2+ 27. Qxd2 Qb5+ 28. Qe2 Qxe2+ 29. Rxe2 Bxh1 30. Rxh1 Rxc3
Jan-03-07
Premium Chessgames Member
  YouRang: Very nice puzzle. Took me a couple minutes to solve it. I'm not sure I would have found it if I didn't notice white's threats against the black king called for forcing moves.

I tried to make something out of 24...Rxa3+ -- but nothing. Finally I tried the queen sac and saw how beautifully the rook, bishop and knight harmonized in the mate.

Jan-03-07
Premium Chessgames Member
  playground player: Got this one right away--but then the immediate threat of checkmate (White, Rg1) marvellously focuses Black's concentration.
Jan-03-07
Premium Chessgames Member
  kevin86: about<cuBsfan>he's going for a perfect record of puzzle solving. He is very optomistic---but then again he IS a Cubs fan.

The puzzle was a neat mate in four-interesting,if white moves his king to a1 on move 26,the last two moves are reversed BY BOTH PLAYERS.

Jan-03-07  nimzo knight: I feel 19. Rd5 was a strong continuation. By this move black's position is pretty messy and there should be a way to exploit it.
Jan-03-07  Holmstrom: Great puzzle!
Jan-03-07  DeepThought: Got it. Still 100% in 2007 :-)
Jan-03-07
Premium Chessgames Member
  dzechiel: Looked at the rook sac first and when that didn't work considered the queen sac. That led to a pretty mate in four. Probably looked at everything for 15 or 20 seconds.
Jan-03-07  haha: haha, i got it! Nice Queen sac.

Bullseye, today >:D

Jan-03-07  Themofro: A nice puzzle. I had initially thought of Rxa3 but couldn't see a forcng combination, so i looked some more and saw Qxa3 which wins quite nicely. A great counterattack.
Jan-03-07  Billy Ray Valentine: nimzo knight: I assume you meant to say you thought 19. Rd4 was a strong continuation?
Jan-03-07  Timetraveller: <nimzo knight> I also assume you meant 19. Rd4 is strong, and it would be except for the reply 19... Nb3+
Jan-03-07  Billy Ray Valentine: The more I look at this, I see no clear winning possibilities for white after his piece sacrifice.

Perhaps he should have been content to play 19. Ng5 and settle for a perpetual check after 19...Bxg5 Qxg5+

Jan-03-07  Archives: Wow I found this as easy as the usual monday puzzle.
Jan-03-07  Fisheremon: <Billy Ray Valentine: However right or wrong, my first instinct in that position would be to see if 22...Kf7 was viable (with the idea of moving the king to the queenside) and eventually attempting to win by exploiting white's positional weakness of doubled, isolated h-pawns.> 22...Kf7 is lost for Black as his King can't evacuate in time to the queenside as 23.Rhg1 Ke8 24.Rg8+ Rf8 25.Rg7 Rf7 26. Qg6 (or Qh8) with next Rg8 trapping Queen. <Billy Ray Valentine: The more I look at this, I see no clear winning possibilities for white after his piece sacrifice.

Perhaps he should have been content to play 19. Ng5 and settle for a perpetual check after 19...Bxg5 Qxg5+> 19. Ng5 better still hard enough for White to equalize, e.g. 19...Bxg5 20. Qxg5 Ng7 21. c5 bxc5 22. Qg4 Nb3+ 23. Kb1 Qf7 24. Rhe1 Nd4 25. Bxd4 cxd4 26. Rxd4 Qxf2 etc. A better chance for White was 18.Qxe8 with compensation. Seemingly 14.Bxh7+ was not correct, as Black could gain a pawn and positional advantage 15...Bxf3 (instead of 15...g6) 16.gxf3 Nxc4 17.Bd3 Nxe5 18.Ba6 Rc7 19.f4 Ng6 20.f5 Ngf4 21.Kb1 Bf6 etc.

Jan-04-07  Billy Ray Valentine: Fisheremon: thanks. I forgot about the Rook on d1 which makes 22...Kf7 impossible due to 25. Rg7 as you point out. I don't know how I missed 20...Ng7 in your other point. Ultimately I did think that white's sacrifice was not correct. White should have taken the draw with 23. bxc3 instead of playing the losing 23. Kb1.
Jan-04-07  ALEXIN: Ok. Was a little obvious but beautiful combination !
May-16-13  nummerzwei: Treppner's move 19. h4 deserved attention, with the idea of taking on g5 with the h-pawn.
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