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Daniel E Shapiro vs Jeremy Silman
New York op (1987), New York, NY USA, Apr-??
Bogo-Indian Defense: Grünfeld Variation (E11)  ·  1-0



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Kibitzer's Corner
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Jan-09-18  diagonalley: <phony> nice one :-)
Jan-09-18  stacase: Rooks don't "ride" Bishops, they squash them.
Premium Chessgames Member
  FSR: 35.Rxf5 exf5 36.Rh2 with the threat of Rh8# is crushing.
Jan-09-18  Olsonist: Anti-clerical violence followed by a queen pulling rank.
Jan-09-18  saturn2: Finally I saw this one but my first try was 36 Bc4+ However black can interpose on d5.
Jan-09-18  stst: Tue R-sac.
The Black B is attacking both the Q and P, and the only open route for White is the h-file, so get rid of this defender first: 35.RxB....
if (A)........ exR, then 36.Rh2 leaves no defense for Black. if (B)........ Rf7 (ready for a K escape?) then
36.gxR Kf8
37.Qh8+ Ke7
38.f8=Q+ Rxf8
39.Qxg7+ Rf7
40.QxR+ and the Black Q can leave the board.
Jan-09-18  Cybe: 35. R:f5!, 35... Qe4!?? :-)
Jan-09-18  lost in space: 33. Rxf5 exf5 36. Rh2 and mate to follow.

I also like the sadistic 36. Bc4+

Jan-09-18  patzer2: Today's easy Tuesday puzzle (35. ?) solution is 35. Rxf5 exf5 36. Rh2 +- which forces mate-in-three.

Black can delay the outcome to mate-in-nine by giving up material with 35...Qf3 36. Rf3 +- or 35...Rfe8 36. Rh2 +-.

P.S.: Black was doing very well until losing the advantage to White with 23...Ne4 allowing 24. Qe3! ⩲ (+0.29 @ 31 ply, Stockfish 8).

Instead, simplifying with 22...Rxd4 23. Rxd4 Rxd4 24. fxe6 fxe6 = (-0.02 @ 37 ply, Stockfish 8) or keeping the tension with 22...Nd5 23. fxe6 Rxe6 = (-0.09 @ 37 ply, Stockfish 8) would have held it level.

Jan-09-18  patzer2: For a possible Saturday or Sunday puzzle, I like White's gutsy 29. g4! ± to +- (+1.72 @ 29 ply, Stockfish 8).

Clearly 29. g4! gives up any concerns about pawn cover to defend the White King in favor of an all out assault against the Black King.

Premium Chessgames Member
  agb2002: The material is identical.

Black threatens Bxh3.

The open h-file suggests 35.Rxf5:

A) 35... exf5 36.Rh2 and mate in three.

B) 35... Rfe8 36.Rh2 Kf8 37.Qh8+ Ke7 38.Qxg7+ Kd6 39.Qxb7, etc.

Jan-09-18  patzer2: Had Black sensed the danger posed by 29. g4!, instead of 28...Qb7 allowing 29. g4! +- to +-, he could have played the prophylactic 28...Bf5 ⩲ (+0.49 @ 29 ply, Stockfish 8) to improve his survival chances.
Jan-09-18  leRevenant: Good POTD, making up for yesterday.
Jan-09-18  mel gibson: Stockfish 8 says mate in 10.

35. Rxf5 (35. Rxf5 (♖f2xf5 ♕b7-e4
♖f5-f3 ♕e4xf3 ♕h3xe6+ ♔g8-h8 ♘e5xf3 ♖d8-d5 ♘f3-e5 ♖d5xe5 d4xe5 ♘f6-g4 ♕e6xg4 ♖f8-e8 ♗f1-c4 ♖e8xe5 ♖d2-d8+ ♖e5-e8 ♖d8xe8+) +M10/44 19)

Jan-09-18  Cheapo by the Dozen: I actually chuckled at this one. Then I chuckled again at <Phony Benoni>'s post.

First time I've chuckled at a puzzle here. Strike one more item off my Becket list.

Jan-09-18  malt: Went for 35.R:f5 Rfe8
(35...ef5 36.Rh2 )36.R:f6
(I was going to play 36.Rh2 Kf8
37.Qh8+ Ke7 38.Q:g7+ Kd6 39.Q:b7)
37...gf6 38.Nf7 Kf8 39.N:d8
Jan-09-18  morfishine: <35.Rxf5> followed by <36.Rh2> and Black is kaput


Jan-09-18  malt: <Phony Benoni> Nice one!
Premium Chessgames Member
  perfidious: More on the lines of a Monday puzzle; Rxf5 is only too obvious, as is the followup.
Jan-09-18  TheaN: Rxf5 is really not hard to see, and white can be sadistic with 36.Bc4+ but should probably just end it with 36.Rh2.

<Cybe: 35. R:f5!, 35... Qe4!?? :-)> I like this defense. Completely pointless, for sake of black just surrending a piece, but I would enjoy playing <36.Rxf6!> where pretty much only <36....Rxf6> defends against mate, after which <37.Qh7+ Kf8 38.Qh8+ Ke7 39.Qg7+> puts black in a bind he can't escape from: <39....Kd6 (Ke8 40.Bb5+) 40.Qxf6 Qe3 41.Qf2 Qg5+ 42.Qg2 Qe3+ 43.Rf2> and black is out of useful checks. And moves for that matter.

Jan-09-18  TheaN: Hm in my above variation <39....Kd6> <40.Nc4+!> is obviously faster, as <40....Kc6 (Kd5 41.Qb7#, not easy to see) 41.Bg2+ +-> white clears the whole board.
Jan-09-18  TheTamale: Super easy!

35) Qh8+!! Kxh8
36) Rh2 mate!

Only problem is, it <isn't >mate. This is a fairly typical "solution" I come up with. Gotta admit, it's at least more daring than White's actual play.

Premium Chessgames Member
  WorstPlayerEver: No no, it's 35. Qh8+ Kxh8 36. Rh2+ Kg8 37. Rh8+! Kxg8. 38. Rh2 Kh8 39. Rxh8
Jan-09-18  Strelets: This was one of those puzzles where I stared at the position for several minutes while waiting for the coffee to kick in. Once that happened, I thought, "Why can't White just sacrifice the exchange? Black doesn't have any real threats, had to cede the h-file after 31.g5!, and has fatal king security issues on the f7-g6-h7 light-square complex. Let's go for it."

It was a good cup of coffee.

Jan-09-18  BOSTER: It's difficult to believe that this is the same J. Silman who has authored many chess books.
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