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Stefano Tatai vs Guy Mazzoni
Enschede Zonal (1963), Enschede NED, rd 14, Oct-21
Spanish Game: Morphy Defense. Anderssen Variation (C77)  ·  1-0
ANALYSIS [x]

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sac: 38.Rxh5 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Nov-12-13
Premium Chessgames Member
  Phony Benoni: Decided it had to be the rook, or at least that was the clearer way to go. The finish might be 39...Bg7 40.Qh7+ Kf8 41.Qh8+ Bxh8 42.Rxh8#

If Black declines with 38...Bg7, then 39.Rh7 Kf8 40.Rh8+, as usual.

Nov-12-13
Premium Chessgames Member
  offramp: ...Ne1+ doesn't help. White can afford to leave the queen where it is because there's still the mate threat on h8.
Nov-12-13
Premium Chessgames Member
  Sneaky: Also see: Blackburne vs J Schwarz, 1881.
Nov-12-13  LoveThatJoker: <38. Rxh5!>

A) 38...Ne1+ 39. Kf1! Bg7 (39...Nxf3 40. Rh8#) 40. Rh7! mating

B) 38...gxh5 39. Qxh5 Bg7 40. Qh7+ Kf8 41. Qh8+ mating

C) 38...Bg7 39. Rh7 mating

LTJ

Nov-12-13  M.Hassan: "Easy"
White to play 38.?
Equal
Rook sac is the approach:

38.Rxh5

A) 38...........Qxh5
39.Qxh5 Ne1+ just to delay loss
40.Kf1! Bg7
41.Qh7+ Kf8
42.Qh8+ Bxh8
43.Rxh8#

B) 38...........Ne1+
39.Kf1 Nxf3
40.Rh8#

C) 38...........Bg7
39.Rh7 Bxf6
40.Qxf6 Ne1+
41.Kf1 Qxf6
42.gxf6 Kf8
43.Rh8#

Nov-12-13  Jajhalperin: "Offramp," eh? I thought by your avatar you might've handled yourself "turnPike!"
Nov-12-13
Premium Chessgames Member
  agb2002: White has the bishop pair for a bishop and a knight.

White can open the h-file with 38.Rxh5:

A) 38... gxh5 39.Qxh5 (39.Rxh5 Ne1+) 39... Bg7 40.Qh7+ (40.fxg7 Kxg7 41.Qh6+ Qxh6) 41... Kf8 42.Qh8+ Bxh8 43.Rxh8#.

B) 38... Bg7 39.Rh7

B.1) 39... Bxf6 40.Qxf6 Qxf6 41.gxf6 Rxf6 42.Rh8+ Kg7 43.R1h7#.

B.2) 39... Ne1+ 40.Kf1 Nxf3 (40... Bxf6 41.Qxf6 is similar to B.1) 41.Rxg7+ Kf8 42.Rh8#.

C) 38... Ne1+ 39.Kf1

C.1) 39... Nxf3 40.Rh8#.

C.2) 39... gxh5 40.Qxh5 as in A.

C.3) 39... Bg7 40.Rh7 transposes to B.2.

Nov-12-13  morfishine: <38.Rxh5> 38...gxh5 39.Qxh5 and Black cannot prevent mate. This is the "main line"

*****
PM: Some interesting side-lines from various posters. One thing I noticed is that after 38.Rxh5 <38...gxh5>, best is 39.Bh7+ forcing 39...Kxh7 and now White plays 40.Qxh5 with check, mating one turn earlier

*****

Nov-12-13  cocker: Black's best chance may be 38 ... ♘f4+ 39 gxf4 gxh5 40 ♕xh5 ♗h6 41 ♕xh6 ♕g4+ when 42 ♔f1 loses.
Nov-12-13  TheaN: Tuesday 12 November 2013

<38.?>

The power on the h-file is strong. This kind of makes the initial move a cakewalk for a Tuesday: white breaks with <38.Rxh5>.

There are some stings White has to watch for though. After 38....gxh5 White should obviously play 39.Qxh5 to keep the pressure, not 39.Rxh5 losing to Ne1+. White can also annoy Black more with 39.Bh7+ Kh8 (Kxh7 40.Qxh5+ with mate) 40.Bxd3 and all ideas for Black have been nullified. After 39.Qxh5 Bg7 40.Qh7+ Kf8 41.Qh8+ Bxh8 42.Rxh8#, as the f-pawns cage the Black king in.

The fork 38....Ne1+ is harmless; after 39.Kf1, Black take cause of immediate mate on h8.

So should black leave the h-file for what it is with 38....Bg7? No, because that doesn't remove any pressure, after 39.Rh7 Black will still get mated: Bxf6 40.gxf6 and mate is unavoidable.

What is left? Nothing is left, and White wins.

Nov-12-13  zb2cr: 38. Rxh5! and Black is helpless.
Nov-12-13  Amarande: <Sneaky> Also K Richter vs L Engels, 1937, with a different break-through, but with the more likely mating pattern (as given by Phony Benoni).
Nov-12-13
Premium Chessgames Member
  offramp: < ajhalperin: "Offramp," eh? I thought by your avatar you might've handled yourself "turnPike!">

Good one! ...And well-spotted. The only other kibitzer who has recognized my avatar is Simon Kim Williams.

I replied to him that Pike is my second-favourite Grandmaster, after Simon Kim Williams LOL!

Would you mind if I used variations of your comment in my own kibitzing? You may not see this comment so I'll use it anyway!

Nov-12-13
Premium Chessgames Member
  kevin86: My line was the rook sac followed by ♗h7+. Mate comes very quickly after that.
Nov-12-13  BOSTER:


click for larger view

If white was not so timid he would play 36.Rxh7 .

Nov-12-13
Premium Chessgames Member
  Jimfromprovidence: 38 g4 anyone?


click for larger view

Nov-12-13
Premium Chessgames Member
  Penguincw: I had thoughts of 39.Rxh5, but that wasn't going to lead to anything (I still got the puzzle though).
Nov-12-13  Patriot: 38.Rxh5

38...gxh5 39.Qxh5

38...Ne1+ 39.Kf1

Nov-12-13
Premium Chessgames Member
  thegoodanarchist: Lots of puzzles from early 1960s games lately!
Nov-12-13  patfoley: <boater> 36 Rh7 !

True that!

Nov-12-13  Patriot: <BOSTER> Nice find! I didn't see the correct follow up after 36.Rxh7 Kxh7 37.Qh5+ Kg8. I only saw that 38.Qh4 Ne1+ 39.Rxe1 Rd1. But the key is 38.Bxg6.
Nov-12-13  stst: got a typo: should be:
one course:
38.Rxh5 gxh5
39.Qxh5 Qxf6 (Bh6 ==> some variation)
40.Qh7#
(If 39...Bh6, 40.Qxh6 Black King still got no time to escape.)
Nov-13-13  abuzic: 38.g4 suggested by <Jimfromprovidence> aslo wins One of the possible continuations:
38...Nf4+
39.Bxf4 exf4
40.gxh5 Qe5
41.hxg6 Qxg5+
42.Rg4 Qxf6
43.gxf7+ Kxf7
44.Rxf4
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