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Baruch Harold Wood vs Frank Parr
British CC Ch -51 (1950)  ·  Nimzo-Indian Defense: Saemisch Variation (E29)  ·  0-1
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Kibitzer's Corner
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May-28-09
Premium Chessgames Member
  sfm: - which I could have avoided by seeing the little "CC" first.
May-28-09
Premium Chessgames Member
  SamAtoms1980: 21 ... Rxg2 22 Kxg2 Bh3+ is the Doomhammer.

Is this Easy Week?

May-28-09  harish22: what about this possible continuations

21 .. Rg2+
22 Kg2 Qh3+
23 Kh1 f3 (threatening mate)

Now If
24 Bf3 Then 24.. Qf3+ mates after 25. Bh3

If 24 Rg1 Then 24. fe2 still threatens Qf3 or queening.

May-28-09  Confuse: Thanks everyone for the comments. Often this happens in the real games for me... I see a strong continuation, but am unable to deliver the killing blow, getting lost in all the variations... I think reviewing these kind of positions will help me to improve. Cheers!
May-28-09  OrangeBishop: After 21. ... Rxg2 22.Kxg2 Bh3+ 23. Kh1 Rg8 White might also try something like 24. Rd1 with the idea of making space for the king on f1 in anticipation of Black's Bg2+ followed by Bf3+.

I think this is met by 24. ... Qxf2, threatening Bg2#.

A lot of things for White to try, none of which work out. But there's more to it than even Rxg2 followed by Bh3+.

May-28-09
Premium Chessgames Member
  David2009: I saw 21.. Rxg2 22 Kxg2 f3+ with (a) 23 Bxf3 Qh3+ 24 Kg1 Qxf3 or (b) 23 Kh1 fxe2. I looked up the position and was surprised to find that White had resigned immediately.

Having now read the other comments I agree that Qh3+ first followed by f3 is more accurate. (b) wins but is messier.

May-28-09  stacase: I would have looked at 21 Rxg2 over the board for a long time since it threatens mate. I can't say that I see the rest all the way to a win for Black.
May-28-09
Premium Chessgames Member
  agb2002: The white king is defenseless after 21... Rxg2 22.Kxg2 Bh3+:

A) 23.Kh1 Rg8

A.1) 24.Rg1 Rxg1+ 25.Kxg1 Qg5+ and mate in two.

A.2) 24.Qd1 Bg2+ 25.Kg1 Bf3#.

A.3) 24.Bf3 Bxf1 - +. For example, 25.Qd1 Qh3 26.Ra1 Bg2+ 27.Kg1 (27.Bxg2 Qxg2#) Bxf3#.

A.4) 24.Re(d,c,b,a)1 Qg5 25.Bf3 Bg2+ 26.Kg1 (26.Bxg2 Qxg2#) Bf3+ 27.Kf1 Qg1#.

A.5) 24.f3 Bg2+ 25.Kg1 Bxf3#.

B) 23.Kf3 Qg4#

C) 23.Kg1 Qg5+ mates in two.

May-28-09  gofer: Okay so I have probably missed something, but it all looks pretty forced after 21 ... Rxg2 21 ... Rxg2
22 Kxg2

22 ... Qh3+

forces mate (or a win) eventually but there are lots of alternatives, so I think that

22 ... Bh3+ is cleaner and quicker

Option 1 for black

23 Kg1 Qg5+
24 Kh1 Qg2#

Option 2 for black

23 Kh1 Rg8

Now black has a couple of alternatives but all of them loose

24 Qd1 (or f3) Bg2+
25 Kg1 Bf3#

24 Rg1 Rxg1+
25 Kxg1 Qg5+ mating

24 Bf3 Qg5 with Bg2+ next mating

24 Bg4 f3 (keeping the white king pinned in the corner)

25 Rg1 Rxg4
26 Rg3 Bg2+
27 Kg1 Qxh2+!
28 Kxh2 Rh4+ mating

May-28-09  Murtazaali: easy one ....
May-28-09  blacksburg: that wasn't so hard.
May-28-09  gofer: As I wrote before I decided against Qh3+ as the following continuation takes to move 28 to get the mate...

21 ... Rxg2
22 Kxg2 Qh3+
23 Kh1 f3
24 Rg1 fxe2
25 Qb1 Qf3+
26 Rg2 Bh3
27 Qg1 Bxg2+
28 Qxg2 e1=Q#

and if black chooses anything other than 24 ... fxe2 then things become quite difficult for black, where as 22 ... Bh3+ leaves white no room to move...

...but I suppose its still just personal choice!

:-)

May-28-09  Babar47: I went for 21..Bh3 , which is also winning. , but no quick forced mate.
May-28-09  Samagonka: This was the easiest Thursday for me. I got it without much thought.
May-28-09  vaskokibika: 21...Rg2 is obvious. The problem was to find correct continuation. I select 22...f3+
For example: 23.Bxf3 Qh3 24.Kg1 Bg4 25.Bg2 Bf3


click for larger view

Or 23.Kh1 Qg4 24.Rg1 f3xe2 25.Rxg4 e1Q+ 26.Rg1 Qe4+ and Bh3, Rg8 and won pawn ending


click for larger view

May-28-09  SamuelS: I got 21...Rxg2 22. Kxg2 (otherwise 22...Qxh2#) Qh3+ 23. Kh1 (23. Kg1 Bd7 (24. Kh1 f3 leads to the main variation) 24. f3 Rg8+ 25. Kf2 Qh4# (25. Kh1 Qg2#)) f3 24. Rg1 (24. Bxf3 Qxf3+ 25. Kg1 Bh3 and 26. Qh3# or Rg8#) fxe2 25. Re1 Qf3+ 26. Kg1 Bh3 and Qg2# (25. Rxe2 Qf3+ 26. Rg2 Bh3 and 27. Qxg2# or 25. Rg2 e1Q+ 26. Rg1 Qf3#). Is there something wrong with this?
May-28-09  backyard pawn: Today's puzzle is pretty challenging to follow the lines to the end. Here's what I like:

21..., Rxg2
22. Kxg2 (forced), Bh3+ (helps to bring Black's rook into play) 23. Kh1 (forced), Rg8:

Now there are choices:
24. Rg1, Rxg1+
25. Kxg1 (forced), Qg5+
26. Kh1 (forced), Qg2#

or:
24. Raa1, Bg2+
Kg1 (forced), Bf3#

or:
24. Bf3, Bxf1
now I think that White cannot defend, but maybe someone else can prove/disprove this position.

May-28-09  Aurora: I got 21...Rxg2 22.Kxg2 Qh3+ 23.Kh1 (23.Kg1 Bg4 ) f3!
May-28-09  e fred: I was about to say, but gofer said it already: 22 Kxg2 Bf3+ seems to be the best choice.
May-28-09  goodevans: I chose 21 ... Rxg2 22 Kxg2 Bh3+, which according to <gofer> is <quicker and cleaner> than 22 ... Qh3+. It was intuitive to me to bring the other rook into the attack ASAP.

My analysis was the same as his except that 23 Kh1 Rg8 <24 Bg4 f3> came as some surprise. I'd dismissed 24 Bg4 as a serious consideration because of the simple 24 ... Rxg4. Was this an oversight on my behalf?

Got to go now - lunch break over. But I'll check back later to see if there's an answer to my question.

May-28-09  Lamine: 21 ... Rxg2 seemed a reasonable try.

22 Kxg2 Bh3+! (opening up the back rank for the R to approach so all pieces can attack further soon). There are now three options for white:

A 23 Kf3 Qg4#
B 23 Kg1 Rg8+ 24 Kh1 Bg2+ 25 Kg1 Bf3#
C 23 Kh1 Rg8 24 Bf3 ( 24 f3 Bg2+ 25 Kg1 Bxf3#) 24 ... Qg5 with Bg2+ and mate to follow

May-28-09
Premium Chessgames Member
  gawain: I managed to see my way through this one starting with the Rook sac on g2 and all the variations after 21...Bh3+ Easier than some Thursdays.

<johnlspouge> said it all.

May-28-09  geeker: I got this pretty quickly on general principles. 21...Rg2 is fairly obvious, then 22...Bh3 seems necessary in order to activate the Ra8. Must be an easy week, I'm 4:4 so far...probably will be stymied the next three days.
May-28-09
Premium Chessgames Member
  PinnedPiece: Took about two minutes for me to confirm the line Rxg2, Bh3 etc. as winning. This is unheard of for me on a Thursday.

For some reason CG.COM is using up their Monday storehouse of puzzles this week.

.

May-28-09  WhiteRook48: actually got it right
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