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Josef Klinger vs Jesper Norgaard
Wch U20 (1982), Copenhagen DEN, rd 8, Aug-??
Sicilian Defense: Velimirovic Attack (B89)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Oct-28-15
Premium Chessgames Member
  andrewjsacks: Lovely geometric finish.
Oct-28-15  Steve.Patzer: I would rather see the checkmate by pawn.
Oct-28-15
Premium Chessgames Member
  thegoodanarchist: GOTD Title: Section 8
Oct-28-15
Premium Chessgames Member
  agb2002: White is one bishop down.

Black threatens 28... Qxf6 and ... a3.

White delivers mate with 28.Rg8+ Kh7 (28... Kxg8 29.h7#) 29.Rh8+ Rxh8 30.Qxf7+ Qg7 31.Qxg7#.

Oct-28-15  Olsonist: Kinda hard to go wrong with a double check. After that it's pretty much on autopilot.
Oct-28-15  morfishine: After <28.Rg8++> Black has "No Guard"

*****

Oct-28-15  knight knight: 28. Rg8+:

1) 28...Kxg8 29. h7#
2) 28...Kh7 29. Rh8+ Rxh8 30. Qxf7+ Qg7
a) 31. Qxg7#
b) 31. hxg7#

Oct-28-15  patzer2: <goldfarbdj: After 28 Rg8+ Kh7, I didn't see the mate; I went for 29 Qxd4 Rxd4 30 Rxf8. That should be an easy win for White, although obviously mate in 3 is superior.> That was also my solution.

Though the game continuation with mate-in-three is best, Deep Fritz 14 assesses the second-best alternative 29. Qxd4 Rxg8 (29... Rxd4 30. Rxf8 Rxe4 31. Rxf7+ Kg6 32. h7 Kxf7 33. h8=Q forces mate-in-nine) 30. Qxb4 (+17.07 @ 23 depth) as clearly decisive.

Black's decisive error was <23...Rxb4?>, allowing the pretty winning shot 24. Rg7+! (+8.84 @ 24 depth).

Instead, 23... fxg6 24. Qxf8 Bxd4 25. Bxd4 e5 26. Bc3 Bb7 27. Qf6 (+0.70 @ 25 depth) would have made a fight of it.

Earlier, instead of <20...Be5?>, Black missed the winning 20...h6! (-2.38 @ 21 depth).

Oct-28-15  mikealando: Ingenious is the word. Wow.
Oct-28-15  Willber G: I prefer 31.hxg7# as the rook at h1 delivers mate without ever moving in the whole game.
Oct-28-15  galdur: I thought Rg8++ and I┤ll be a rook up forced with a new queen imminent - and left it at that. Too lazy.
Oct-28-15  roentgenium: This one took me a while to see - I initially thought that the solution was to draw the game via perpetual check, since I couldn't make 28. Rg8+ Kh7 29. Qg7+? Qxg7 30. hxg7+ Kxg8 31. gxf8Q+ Kxf8 32. Rh8+ Ke7/Kg7 33. Rxc8 Rxe4 work, as Black simply has too many passed pawns in this Rook and Pawn endgame. It was only when I noticed that 29. Rh8+ deflected Black's Rook from the defence of the f7 pawn that the solution came to me.
Oct-28-15  stacase: <Willber G: I prefer 31.hxg7# as the rook at h1 delivers mate without ever moving in the whole game.>

First chuckle of the day.

Oct-28-15  CHESSTTCAMPS: White is down a bishop, but white's h-pawn and the powerfully placed major pieces are worth much more than that. Only the black queen's defense prevents a mate-in-two, requiring the following combination to force the win:

28.Rg8+! Kh7 (Kg8 29.h7#) 29.Qxd4 Rxd4 30.Rxf8 Rf4 (Rc4 31.Rxf7+ Kh8(/g8) 32.h7(+) forces promotion) 31.Rxc8 leaves white a rook ahead.

Oct-28-15  CHESSTTCAMPS: Doh! Missed the quick mate.
Oct-28-15  saturn2: As far as I see the doublecheck is not only the solution, but is is also the one and only move with which white survives.
Oct-28-15  dfcx: White wins a rook with
28.Rg8+ Kh7 (Kxg8? 29.h7#) 29.Qxd4 Rxd4 30.Rxf8
Oct-28-15  dfcx: <CHESSTTCAMPS: Doh! Missed the quick mate.>

Ouch, I also missed the quick mate at 29.Rh8+ Rxh8 30.Qxf7+ Qg7 31.Qxg7#

Oct-28-15  varishnakov: 28.R-N8 double check 28...KxR 29.P-R7 mate.

Somehow I felt that if black declines the rook, white would have a mate in one by Q-R8 mate, but of course the black queen still covers that square. It shows I need to spend more time on these.

Oct-28-15
Premium Chessgames Member
  kevin86: This was tougher than it looks. White will mate if black takes immediately...or a little slower if he doesn't.

28 ♖g8+ ♔h7 29 ♖h8+ ♖xh8 30 ♕xf7+ and mate next or 28...♔xg8 29 h7#

Oct-28-15  BOSTER: <stst: blinds people with Qxd4>. Even FSR played 29.Qxd4.
I don't think that you have 20/20 vision, or better chess understanding.
Oct-28-15  Halldor: This shows the incredible power of the double check. Actually clearance, double check and pawn advance or Úpaule mate by the Queen because of the overloaded black Rook.
Oct-28-15  YouRang: Combinations based on double-check are often pretty like this. I sort of prefer the discovered checkmate following the pawn capture:

28. Rg8++ Kh7 29.Rh8+ Rxh8 30.Qxf7+ Qg7 31.hxg7#


click for larger view

Oct-28-15  Willber G: <YouRang>
As I said earlier, I too prefer 31.hxg7# as the rook at h1 delivers mate without ever moving in the whole game. I think I'm right in saying that this is the only recorded game in history where this happens.
Oct-28-15  JohnDMaster: I feel so silly, I missed this one, I totally missed the simple h7 pawn move that wins the game!
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