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Duane Rowe vs Joseph Grech
Bled ol (Men) (2002), rd 9, Oct-26
Sicilian Defense: Hyperaccelerated Dragon (B37)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Aug-23-04  notsodeepthought: I'll go out on a limb and guess that this week's theme is going to involve the winning side figuring out an escape route for its king (then again, I've been wrong before).
Aug-23-04  iron maiden: <notsodeepthought> Or maybe it'll be "moving your pieces away to attack your opponent, leaving your own king 'to the elements.'"
Aug-23-04  notsodeepthought: Yep, that would work too.
Aug-23-04
Premium Chessgames Member
  kevin86: White threatens mate at the expense of a piece with check. White's mate threat IS inescapable and black's king chase is fruitless-therefore,white wins!
Aug-23-04  TheGreatNN: Why does black refuse 24. ..Qxb2? Wouldn't having his Q on the long dark diagonal also stop the mate threat?
Aug-23-04
Premium Chessgames Member
  cu8sfan: Is there an English expression for the situation where both sides threaten mate? I call it <Matt und Gegenmatt> which translates to something like <mate and contra-mate>. Don't know if this is an official chess term.
Aug-23-04  notsodeepthought: <TheGreatNN> The short answer is that 24 ... Q:b2 25 Q:c7 leaves white a piece up. This may require more analysis - e.g., in one line black might regain it (25 ... Bd4 26 Q:f7+ Kh8 27 B:d4+ Q:d4 28 Kf1 Qd1+ 29 Kf2 Q:c1) but then 30 Qf8+ Kh7 31 Q:d6 and I think white's d pawn is unstoppable.
Aug-23-04  Cyphelium: <notsodeepthought> I think you are right. I just like to add that white can actually keep the piece with (after 24.- Qxb2 25. Qxd7 Bd4 26. Qxf7+ Kh8) 27. Qf8+ Kh7 28. Qe7+ Kg8 29. Qd8+ Kg7 30. Qc7+ Kg8 and only then 31. Bxd4, holding on to the knight.
Aug-23-04
Premium Chessgames Member
  patzer2: Instructive pinning sequence:

27. Ne2 (self-pin to "sacrifice" the pinned piece)

28. Bd4 (set your own pin to mate)

29. Kg3 & 30. Kh3 (hide from the spite checks)

For a three-move-mate problem, play could continue 30...Kh6 31. Qxh7+ Kg5 (31...Kh5 32. Qh8+ Kg5 33. Qxh4#) 32. Qf5+ 33. Kh5 (33. Kh6 34. Qxh4#) 34. Qxh4#

Aug-23-04  notsodeepthought: <Cyphelium> Good one, I like your line better, thanks.
Aug-23-04  IMDONE4: this one is 2 obvious...
Aug-23-04  Lawrence: <IMDONE4>, welcome to the club. Obvious, but this being a Monday I spent some time looking for a mate in one or mate in two or something equally flashy, before finally accepting the simple truth that White can survive Black's checks.
Aug-23-04  mahmoudkubba: Any body can see any useful move for black since move No.27 Ne2??? I just can not see any useful move it seems black lost since this moment!
Aug-23-04  Mistereous1: Let me start by saying I'm only a casual chess player. But I enjoy watching the commentary in hopes of improving my own game (So don't drill me if I'm asking an obvious question)

Instead of h4+, why not Kh6, I know it's still a losing position, but doesn't it at least postpone the "inescapable" mate. What am I missing?

Aug-23-04  Hinchliffe: <mistereous1> Why not Kh6? Well because it also leads to mate. QxBg7+ etc etc. Play it through and you'll see.Have fun.
Aug-23-04
Premium Chessgames Member
  tpstar: <Mistereous1> Hello! Welcome to the group! We're all here working on our tactics to improve at chess, so it's good to analyze other possibilities. After 29 ... Kh6 the quickest mate is 30. Qxg7+ Kg5 31. h4#, although 30. Bxg7+ happens to be Mate in Three. Many of these puzzles have alternate solutions, so keep at it!
Aug-23-04  schizoidman: Mistereous: 29...Kh6 30.Bxg7+ Kg5 31.Qf6# (30...Kh7 31.Bf8+ Kh8 32.Qg7#)
Aug-23-04  Mistereous1: Thanks for the help, I see what I was missing now. I'll not be too shy to ask questions in the future.
Aug-23-04
Premium Chessgames Member
  patzer2: Instead of 21...h5?, Black should have played 21...Bxb2! with advantage.

Play could continue 21...Bxb2! 22. Qd8+ (22. Qxb7 Kg7 23. h4 Be5 ) 22...Kg7 23. Qxe7 Qxa2 24. Nd2 Qa3! 25. Kf2 (25. Qxd7?? Qxe3+! 26. Kf1 Bd4 27. Qxf2+ Kxf2 28. h4 Qxf2#; 25. Nc4? Qb4! ; 25. Nf1? Bb5! ; 25. Qg5? b5 ; 25. Ba7? Bb5! ) 25...Bb5 26. Bf4 (26. Qxb7 Qd3 ; 26. Qg5 Qd3 ) 26...Bf6 27. Bh6+ Kxh6 28. Qxf6 Qc5+ 29. Kg3 Qe3 30. Qf4+ Qxf4+ 31. Kxf4 a5 32. Ke3 f6 .

Of course White should not have played the tempting but dubious 20. Qc2?!, which gives Black the opportunity 20...Rxc7 21. Qxc7 Bxb2! . Instead, White should have played 20. Rxb7 or 20. Rxc8 to avoid this unpleasant possibility.

Aug-23-04  artemis: <Mysterious 1> h4+ was made because it is the only move that allows white to blunder away the game.other moves are relatively short wins for white, so black decided he was going to give his opponent the chance to make a huge mistake. White did not.
Aug-23-04  rover: My guess is that this weeks theme will be "unstopable threats".

I'm surprised noone asked what happens in case of 30...Kh6, which seems to be more difficult to meet than 29.Kh6 31.Bg7+ Kh5 (Kh7 32.Bf8+ Kh8 33.Qg7 mate; Kg5 31.Qf6+ Kh5 32.Qh4 mate) 32.Bf6 and there's no defense against Qh7 mate.

Anyway, in my opinion this puzzle may actually be a little too difficult for Monday.

Aug-23-04  RonB52734: How about, more simply, "quiet moves"?
Aug-23-04  Andrew Chapman: 30..Kh6 31.Qxg7+ Kg5 32.Qf6+ Kh6 33.Qxh4# or similar.
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