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| May-28-09 | | sfm: - which I could have avoided by seeing the little "CC" first. |
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| May-28-09 | | SamAtoms1980: 21 ... Rxg2 22 Kxg2 Bh3+ is the Doomhammer.
Is this Easy Week? |
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| 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. |
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| 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! |
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| 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+. |
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May-28-09
 | | 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. |
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| 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. |
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May-28-09
 | | 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. |
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| 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 |
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| May-28-09 | | Murtazaali: easy one .... |
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| May-28-09 | | blacksburg: that wasn't so hard. |
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| 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!
:-) |
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| May-28-09 | | Babar47: I went for 21..Bh3 , which is also winning. , but no quick forced mate. |
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| May-28-09 | | Samagonka: This was the easiest Thursday for me. I got it without much thought. |
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| 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 viewOr 23.Kh1 Qg4 24.Rg1 f3xe2 25.Rxg4 e1Q+ 26.Rg1 Qe4+ and Bh3, Rg8 and won pawn ending
click for larger view |
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| 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? |
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| 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. |
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| May-28-09 | | Aurora: I got 21...Rxg2 22.Kxg2 Qh3+ 23.Kh1 (23.Kg1 Bg4  ) f3! |
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| May-28-09 | | e fred: I was about to say, but gofer said it already: 22 Kxg2 Bf3+ seems to be the best choice. |
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| 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. |
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| May-28-09 | | Lamine: 21 ...  xg2 seemed a reasonable try.
22  xg2  h3+! (opening up the back rank for the to approach so all pieces can attack further soon). There are now three options for white: A 23 f3  g4#
B 23 g1 g8+ 24 h1 g2+ 25 g1 f3#
C 23 h1 g8 24 f3 ( 24 f3 g2+ 25 g1 xf3#) 24 ... g5 with g2+ and mate to follow |
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May-28-09
 | | 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. |
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| 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. |
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May-28-09
 | | 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. . |
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| May-28-09 | | WhiteRook48: actually got it right |
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