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Ljubomir Ljubojevic vs Jan Hein Donner
Hoogovens (1973), Wijk aan Zee NED, rd 14, Feb-01
Pirc Defense: Austrian Attack. Weiss Variation (B09)  ·  1-0



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sac: 25.Rxg7+ PGN: download | view | print Help: general | java-troubleshooting

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Mar-12-06  Goumindong: I got Nxf5 right away, but missed the Bc3 pin. What i dont understand is 31.. Qxc4+. Why didnt he take the bishop? I can almost see a winning continuation for white after the bishop is taking, but it looks to me like black can statemate it.
Mar-12-06  nescio: <Goumindong: What i dont understand is 31.. Qxc4+. Why didnt he take the bishop?>

31...Qxf6 32.Qg3+ Kh5 33.Rg7 threatening 34.Qf3+ Kh4 35.Qh3+.

Mar-12-06  Cryptic: Interesting game: <a few thoughts>

11. Black Knights are repelled to the sidelines
19. White rooks take both centre files
23. White lifts rook to the 7th rank
24. Puzzle of the day - 12/03/2006
25. Is a puzzle too (easier though)

Mar-12-06  steamengine: Goumindong,
If 31 ...Qxf6 32. Rg7+ If 32... Kg6 then 33. Qxf6 Kxf6 and after trading queens, the white rook can take the knight, and white is a pawn up, and with the queens off the board, perhaps it would be a tough fight for black. I don't understand nescio's analysis -- particularly how can the black K move to h5 from g7?
Mar-12-06  nescio: <steamengine: particularly how can the black K move to h5 from g7?>

Because at move 31 the king is on g6. By the way 30...Qxf6 31.Re7+ Kg6 32.Qg3+ leads to the same position.

Mar-12-06  blingice: I still think that the bishop is worth taking. Black would be down a pawn, but not a really important pawn. His two split pawns could hold back the three pawns with rook and king support, or just king, as the other three pawns are supported by the rook. I didn't see it at all, as it was a line whose climax came after 6 or 8 ply, so its a tough puzzle.
Mar-12-06  norgdagaran: Move 19 the white knight might check and the rook might took the queen
Mar-12-06  dzechiel: Missed it again. I wanted to play 24 Rxg7+ followed by 25 Bc3 and 26 Ng5. I really should have spotted 24 Nxf5 as the recapture by the g-pawn is fairly forced. <sigh> Here's looking forward to Monday.
Premium Chessgames Member
  al wazir: After 32...Qf1+, what does white do? If 33. Be1 then 33...Re8. If 33. Re1 then 33...Qxg2. If 33. Kc2 then 33...Qxg2+ 34. Kb1 Qe1+ 35. Ka2 Qc4+. Where's the win?
Mar-12-06  nescio: <al wazir: After 32...Qf1+, what does white do? Where's the win?>

32...Qf1+ 33.Re1 Qxg2 34.Qf6+ Kh5 35.Qxf5+ etc.

Mar-12-06  NBZ: al wazir, Qf1+ Re1 Qxg2 Qf6+ and White wins at least the knight on c7
Premium Chessgames Member
  al wazir: If 31...Qxf6 then white can win by 32. Qg3+ Kh5 33. Rg7 (threatening Qf3+, followed by Qh3#, as suggested by <nescio>) Qh4 34. Qg6#; or by 33. Qf3+ Kg6 34. Rxc6, followed by Rxc5, with threats of skewer and pin.

Instead of 27...h6, black could have played Qg8. Then the continuation is slightly different: 28. Nxe6+ Qxe6 29. Re1 Qf7 30. Bxf6+ Kg6 31. Re7 Qxf6. Now if 32. Qg3+ then 32...Kh6. White has nothing better than 33. Rxc6, and the win is even harder.

Mar-12-06  ganstaman: <<al wazir>: After 32...Qf1+, what does white do? .... If 33. Re1 then 33...Qxg2. ....>

32...Qf1+ 33.Re1 Qxg2 34.Qf6+.
Now, 34...Kh7 35.Re7+ Kg8 36.Qh8++
Or 34...Kh5 35.Qxf5+ Kh4 35.Bf6+, and black is forced to give up the queen to avoid losing the game.

Mar-12-06  laskerdog: <norgdagaran> If 20.Nxf6+ BxN 21.RxQ BxQh4 22. RxR+ KxR 23.NxBh4 Nxf4
Premium Chessgames Member
  al wazir: <NBZ, ganstaman: White wins at least the knight>. Right, there's the win.
Mar-12-06  ganstaman: Well, I want more than the knight, I want the queen. I think that black's best move would be: 32...Qf1+ 33.Re1 Qxe1!

If he's going to be forced to lose the queen later on, he may as well get a full rook out of it.

Also, I think that in the lines I gave above white will mate anyway. 35.Bf6+ Qg5 36.Bxg5+ hxg5 37.Qxg5+ Kh3 38.Qg3++ An alternative would go 34...Kh5 35.Qxf5+ Qg5 36.fxg5, and I'm sure white has a mate in there, but I'm too tired to find it. Therefore, I believe that 33...Qxe1 probably lasts the longest.

Premium Chessgames Member
  Eggman: So why did Black resign? It looks like 33...♘e8 34.♕g3+ ♔h5 35.♖h7 (threatening 36.♕g5#) ♕f1+ 36.♗e1 ♕c4+ 37.♔b1 ♕e4+ 38.♔a1 and mate next.
Mar-12-06  EmperorAtahualpa: It will still be at least a couple of years before I master Sunday puzzles like these. :(

However, there is hope:

First I was thinking of combination starting with 24.Nxf5 and 25.Rxg8+ but then I abandoned it. Then I started over with a combination starting with 24.Bc3.

Now it turns out those were the first 3 moves in the combination. :)

Mar-12-06  Egghead: Instead of 27.Ng5, Fritz likes 27.g4!, opening more lines.
Mar-12-06  ckr: I tried ( 24.♖xg7+ ♔xg7 25.♘g5 fxg5 26.♗c3+ ♔g8 27.♕h6 ♖e7 28.♘xf5 which failed to 28... ♕xf5) So I was convinced that a rook sac was it but I needed to resequence. I then examined 24.♘xf5 and said he has to take with the pawn if he takes with queen he loses a knight. so {24.Nxf5 gxf5 25.Rxg7+ Kxg7
but instead of 26.♗c3 I played the to pressure h7 26.Ng5 fxg5 27.Bc3+
From this position I believe any move by the black king results in a mate ( 27...♔f8 28.♕h6+ ♔f7 29.♕f6+ ♔g8 30.♕g7# )
( 27...♔g6 28.♕xg5+ ♔f7 29.♕f6+ ♔g8 30.♕g7# )
( 27...♔f7 28.♕xh7+ ♔e6 29.♕g6+ ♔e7 30.♕f6# )
<and ♖e5 just prolongs the agony.> 27...♖e5 28.♗xe5+ 1-0

Hey, did I just find a better line than the text?
Anyone see any holes?

Mar-12-06  ckr: The position: Black to move

click for larger view

Go ahead burst my bubble.

Mar-12-06  DuaneTiemann: Why wouldn't black play 26..rf8 instead of re6 to protect the pawn?
Mar-12-06  ckr: <DuaneTiemann> He grabbed the knight without thinking much?
Premium Chessgames Member
  Eggman: <<Now it turns out those were the first 3 moves in the combination.>>

I suppose that why they call it a combination. It's a matter of taking certain plausible moves and COMBINING them in the right way.

Mar-12-06  psmith: <ckr> well, Black doesn't have to take on g5. What if 26...Rh8 and if now 27. Bc3 Ne8?
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