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Gerard Welling vs Rene Olthof
Amstelveen open (1983), ?
Nimzo-Larsen Attack: Modern Variation (A01)  ·  1-0


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find similar games 1 more G Welling/R Olthof game
sac: 25.Bxd5+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jun-18-13  M.Hassan: "Easy"
White to play 27.?
White has a Bishop+pawn for a Rook

White Queen can checkmate Black if it gets to f7. The obstacle is Bishop on f6. Therefore:

<if...Bxb2 or any other Bishop move, 28.Qf7#>

28.Bxf6+ and picks up the Queen

OR 27..........Re7
28.Bxf6+ Rxf6

Premium Chessgames Member
  agb2002: White has the bishop pair and a pawn for a bishop and a rook.

27... Rxd5 is not a threat at the moment because of 28.Bxf6+ Qxf6 29.Qxd5 Re5 30.Qa8 with a considerable advantage.

The black bishop blocks 27.Qf7#. This suggests 27.g5, menacing 28.Bxf6+ Rxf6 29.gxf6+ Qxf6 (29... Kf8 30.Rh8#) 30.Rh7+ and also 28.Rh7+ directly:

A) 27... Bxb2 28.Qf7#.

B) 27... Rxd5 28.Bxf6+ wins the black queen.

C) 27... Rf8 28.Rh7+ Kxh7 29.Qh3+ Kg7 30.Qh6#.

D) 27... Rh8 28.gxf6+ Rxf6 (28... Kf8 29.Rxh8#) 29.Rxh8 is a carnage.

E) 27... Ree6 28.Bxe6 Rxe6 (28... Bxb2 29.Qf7#) 29.Bxf6+ Rxf6 30.gxf6+ wins a rook and the queen a few moves later.

F) 27... Re1+ 28.Rxe1 Bxb2 29.Qf7+ Kh8 30.Rh1#.

G) 27... Qe7 28.Rh7+ Kxh7 28.Qh3+ Kg7 29.Qh6#.

Jun-18-13  torro: 24.Rxh7 what a shining move
Premium Chessgames Member
  morfishine: There is no good answer to <27.g5>

(1) 27...Bxb2 28.Qf7#

(2) 27...Rxd5 28.Bxf6+ White wins

(3) 27...Rf8 28.Rh7+ Kxh7 29.Qh3+ Kg7 30.Qh6#

(4) 27...Rf8 28.gxf6+ Rfxf6 29.Bxf6+ Qxf6
30.Qxf6+ Kxf6 and white has won a piece


<agb2002> Nice thorough job, you got up to line 'G'...I only got up to 4

Jun-18-13  mistreaver: Tuesday.White to play. Easy. 27?
27 g5! seems very strong
A) 27... Rxd5
28 Bxf6+ Kg8
29 Bxd8
B) 27 ... Bxb2
28 Qf7 mate
C) 27... Rf8
28 Bxf6
Time to check.
Yeah, after g5 it is all over no matter what black does.
Jun-18-13  SamAtoms1980: 27.g5 and that's game, pretty much.

Surprised that 27....Bxb2 was played.

Jun-18-13  Pedro Fernandez: This puzzle is very easy and you may find the solution in a couple seconds.
Jun-18-13  pedro123: Must confess I completely missed the immediate mate and played Rh7ch Qh3ch and Qh6 mate instead!. Aesthetically pleasing but two moves longer.
Jun-18-13  Knight Stalker: The "Zugzwinger" is the always the winner!
Premium Chessgames Member
  Willber G: g5 was my chosen move but I wasn't convinced it was right for a Tuesday, it didn't seem immediately decisive enough. agb2002's analysis above shows how many complications there are. I wasn't expecting black's response in the game!
Jun-18-13  Nick46: Got today's after failing miserably yesterday.
Jun-18-13  backyard pawn: 27. g5 is a good move because:

it sets up possible 28. Bxf6 forking black's K & Q, and...

it is compelling black's f6 bishop to move, which it doesn't want to do since it is blocking white from playing Qf7#.

Jun-18-13  zb2cr: White wins a piece with 27. g5, since if 27. ... Bxb2??; 28. Qf7#,
Jun-18-13  1.e4effort: I feel like I've had the wool pulled over my eyes! I was looking for check on the first move, which is usually the way it goes here - especially early in the week. Lesson learned. Hopefully....
Jun-18-13  BOSTER: Any attempt to increase the <straight> pressure on the pinned bishop f6, who is three times protected, give no any result.

But if you tried to encourage it to abandon the f6 square, you'll see that all black pos. begin crack. When black king in the dangerous pos. on the "g" file, and white has "f" and "h" files are opened, it is very difficult to find the defense.

So, 27.g5 Rf8 28.Qh3-with threat Qh7#.
Now you can see that black is almost in <zugzwang>, no any piece with exception Rf8 can't move. if 28...Rh8 29.Bxf6+ Rxf6 30.gxf6 and Kxf6 31.Qe6+ Kg5 32.Qe5+ Kg4 33.f3#. Here is the final pos.

click for larger view

Premium Chessgames Member
  kevin86: I nissed yesterday,but recovered today. 27 g5 wins the bishop who is double-pinned to the king and to f7.
Jun-18-13  master of defence: What after 24...Kxh7?
Jun-18-13  LoveThatJoker: <27. g5!>

A) 27...Rxd5 28. Bxf6+ 1-0

B) 27...Bxb2 28. Qf7#

C) 27...Kf8 28. Rh8+ Kg7 (28...Ke7 29. Bxf6+ Rxf6 30. Qxf6+ Kd7 31. Rxe8 wins) 29. gxf6+! Kxh8 (29...Rxf6 30. Rxe8 wins) 30. f7+ 1-0


Jun-18-13  parisattack: A nicely played N-L by <Gerald>!

Just because one plays a hypermodern opening doesn't mean one is thereby prevented from playing d4 or e4, should the opportune occasion arise.

Jun-18-13  LoveThatJoker: Although my 'C' line sub-variation wins easily,

27. g5 Kf8 28. Rh8+ Ke7 29. Bxf6+ Rxf6 30. Qxf6+ Kd7 31. Rxe8

Much faster is 31. Bc6+ at the end there.

I had seen it in my calculations while staring at the diagram, but was for some reason more into writing 31. Rxe8.

Oh well, OTB, I hope I would play 31. Bc6+! :)


Jun-18-13  Patriot: This seems like a very tricky Tuesday, unless I'm just missing something easy.


27...Bxb2 28.Qf7#

27...Rxd5 28.Bxf6+

27...Re1+ 28.Rxe1 Rxd5 29.Bxf6+

27...Re1+ 28.Rxe1 Bxb2 29.Qf7+ Kh8 30.Rh1+

Premium Chessgames Member
  lost in space: I found it, but not in a couple of second and also not in few centi-seconds and also not in nano-seconds.
Jun-18-13  BOSTER: <Knight Stalker> <The Zugzwinger is the always the winner>.

There is no a winner in the case which is called <reciprocal zugzwang>.

Premium Chessgames Member
  Phony Benoni: <master of defence> After <24...Kxh7>:

click for larger view

White mates in two with <25.Qf7+ Kh6 26.Qg7#>.

This is an unusual finish. While the rook sacrifice on h7 to allow a queen check on f7 is not uncommon, normally the mate is delivered by the other rook checking on the open h-file. That doesn't work here since Black can play ...Bh4.

Jun-18-13  Jimmy W: 27. g5 and you're ready, Welling and able.
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