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| Mar-03-12 | | newzild: SABTU 1.37pm - 1.50pm
Material is equal. White threatens to capture on b6 and g4. Black has a queen/bishop battery on the long diagonal. Let's try the forcing candidates first. a) 19...Bh2+ 20. Kh1 Nxf2+ 21. Kxh2
Can't see this leading anywhere.
b) 19...Qxg2+ 20. Bxg2
Nope.
c) 19...Rd3 (attempting to deflect the Bf1) 20. Qxd3 (20. Bxd3 Qxg2#) Qxa4 hxg4 Nope. However, the presence of the queen on d3 allows a fork after Bh2+ and Nxf2+. So let's try that variation again: c) 19...Rd3 20. Qxd3 Bh2+ 21. Kh1 Nxf2+ 22. Kxh2 Nxd3 23. Bxd3 Qxa4 Black has won White's queen for a rook and minor piece. The only question now is whether White can avoid capturing the rook. It appears not, because if he moves his queen or shields it with a minor piece, then black can play 20...Rxh3 with horrible threats. Time to check. |
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| Mar-03-12 | | newzild: Feels good to have gotten this one, as earlier this week I fell for a spoiler. |
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| Mar-03-12 | | rilkefan: I'm looking at 19...Nxf2, my only candidate. If 20.Kxf2 Rd2 and white king has to fend off the two strong bishops plus queen plus there's Rd8 if he doesn't want to get mated in the corner. So 20.Qxb6. Then ...Nxh3+ 21.Kh1 Qxa4 22.Qxb7 Rab8 and or perhaps 21...Rab8 and white's loose pieces are falling. Or his weak pawns are falling. Well, the cutesy 19...Nh2 might also be good - after 20.f3 white's black squares are just miserable. |
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| Mar-03-12 | | solstys: I saw 19...Nxf2, which according to computer analysis is quite strong as well. The line it sees is 20. Kxf2 Rd2+ 21. Re2 Rxe2+ 22. Kxe2 Qe4+ with 23...Rd8 and a strong continuation for black. Sadly, I missed 21. Re2... |
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| Mar-03-12 | | rilkefan: <dzechiel> - I didn't consider ...Bh2 first. Instead of 22 Qc2, what about Qxb6? In my line I pick up one of the white queenside minor pieces but you've got the rook hanging. I think you want to leave the knight on g4 to reduce the king's luft while you can. On the other hand you do have both minor pieces hanging. |
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| Mar-03-12 | | thegoldenband: Got the key move 19...Rd3, and pretty quickly at that, simply by reasoning out Black's threats and looking for ways to bring the rook into the game. I didn't check out the game line with 20. Qxb6 (mainly out of laziness), but I'd like to think I might've played this OTB. Having said that, I'm wondering if <Jimfromprovidence>'s version with 19...Bh2+ 20. Kh1 Rd3 is actually a bit better. |
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| Mar-03-12 | | alshatranji: Same line as solstys, and I'm glad it works. The played move is of course much more beautiful. But who would have thought there are two winning lines? |
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Mar-03-12
 | | sevenseaman: Equal.
First thoughts;
If I could take out White's LSB w/o loss of a tempo I have the mate on g2. i) My N is hanging anyway. It can go to h2 and perhaps thump f1. (Vague thoughts). ii) I force K to h1 and then pick out h3; White cannot retake because of the pin on g2 P. This looks a brighter idea; I follow it. <19...Bh2+ 20 Kh1 Rd3> This last one is a serious move on a/c of the N fork with a check (Q only can take the d3R, the B needs to stay put to guard g2). The Q may or may not make this this <death> move to take the R and could instead play Qxb6 on the support of the N, thinking that to be better move. But White is doomed any which way. I think my plan has crystallized except may be for the order of moves. <21. Qxb6 Rxh3> (Black can afford to sneer at White Q's shenanigans). <22. f3> (a good resource) here; 
click for larger view <22...Qxb6. 23. Bd4> (The N mate from f2 and Q mate from g1 is to be defended against) <23...Qxd4 24. fxg4 Bg1#> (Abundance of variety is to hand for Black). My complete line is summed up;
<19...Bh2+ 20 Kh1 Rd3 21. Qxb6 Rxh3 22. f3 Qxb6. 23. Bd4 Qxd4 24. fxg4 Bg1#> |
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Mar-03-12
| | sevenseaman: My line is somewhat different from the game score(text), but basically only in the in the move order. I hope it holds up. I do not have enough left in me to even read the kibitzes immediately, we shall see. |
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Mar-03-12
 | | Once: I think this is more difficult because there are several tempting tries and possible candidate moves. A quick glance shows that we have a tempting bishop check at h2, a knight sac on f2, a rook invasion on d2. And probably some other stuff besides. Then it gets more complicated when you try to consider the follow-up moves to each of these. Do we string together Bh2+ and Nxf2+? Or Bh2+ and Rd2? For example, I spent too long on this "forcing" line... 19...Bh2+ 20. Kh1 Nxf2+ 21. Kxh2 Rd3 
click for larger viewWith ideas like Rxh3+. Unfortunately, it doesn't work. White plays 22...Qxb6 and if 23. Rxh3 cheerfully hides his king on g1. But what I didn't do was to change the order of moves and play Rd3 before Nf2+. Then it would have all fallen into place. So no points today.
That's the point when we turn on Fritz to find that there isn't much to choose between 19...Rd3 followed by Bh2+ or 19...Bh2+ followed by Rd3. |
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Mar-03-12
 | | WinKing: My first inclination is to go with 19...Nxf2.
If 20.Kxf2 Rd2+ & now white has one move with which to block as 21.Kg1 loses to 21...Rxg2+ & 21.Be2 loses to 21...Qxg2 mate. So blocking with the rook looks best 21.Re2 Rxe2+
22.Kxe2 Qe4+ 23.Kf2(23.Kd1 Rd8+ wins) Rd8 24.Qf3(24.Rd1 Rxd1 wins) Qc2+ 25.Qe2 Rd2 wins. If 20.Qf3 Qxf3 21.gxf3 Nd3 22.Bxd3 Rxd3 & black seems to be winning but I'm not liking this line. There has to be better than 19...Nxf2. Ok my second inclination is to play 19...Bh2+.
20.Kh1 Rd3! & the Bishop on f1 is frozen because of the mate threat on g2. If white plays 21.Qxd3 Nxf2+ 22.Kxh2 Nxd3 23.Re3 & black is winning. Let's go back & try 21.Qxb6 instead of 21.Qxd3 to see if that holds up. 21.Qxb6 Rxh3!(took me awhile to see this move) 
click for larger view& white has no defense that I can see. If 22.Re2 Bxe5+ 23.Kg1 Bh2+
24.Kg1 Bc7+ winning the queen. The line 19...Bh2+ 20.Kh1 Rd3! <21.Qc2>
also fails to 21...Rxh3! 22.Re3 Nxe3 23.fxe3 Bf4+ 24.Kg1 Bxe3+ wins. I think 19...Bh2+ gets the job done. Will go with it - time to check. ***************
Ok same idea different move order. Looks like 19...Bh2+ & 19...Rd3 can transpose. |
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Mar-03-12
| | WinKing: <Once: With ideas like Rxh3+. Unfortunately, it doesn't work. White plays 22...Qxb6 and if 23. Rxh3 cheerfully hides his king on g1.> Don't feel bad <Once> I was suckered into that line as well. So close but no cigar.:) |
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| Mar-03-12 | | arnaud1959: I can't believe, I found all the variations on the diagram without touching a board. But reaching the diagram is another story. I'm often fustrated when I reach this kind of position to simply find out that there's something missing, always a "best defence" which makes the plan fail. |
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| Mar-03-12 | | King Death: <arnaud1959: I can't believe, I found all the variations on the diagram without touching a board. But reaching the diagram is another story...> Even Rudolf Spielmann wrote that he could see the combinations as well as Alekhine but that he couldn't reach the same positions. If he struggled with that then maybe there's hope for ordinary folks like us! |
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Mar-03-12
 | | lost in space: I think the best here is
19...Bh2+ 20. Kh1 (only move) 20... Rd3!! 21. Qxd3
A nice mate is resulting out of 21. Qc2? Rxh3 22. f3 Bxe5+ 23. Kg1 Bh2+! 24. Kh1 Bd6+! 25. Kg1 Qc5+! 26. Nxc5 Bxc5+ 27. Bd4 Bxd4+ 28. Re3 Bxe3+ 29. Qf2 Bxf2# 
click for larger view21...Nxf2+ 22. Kxh2 Nxd3 with big advantage white
click for larger view |
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| Mar-03-12 | | meetvirgo2005: I also went on the same lines as <Once> and <WinKing>. Didn't consider different order of moves.Glad that I have good company today. |
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Mar-03-12
 | | Memethecat: I almost didn't even attempt today's POTD. I had my first alcoholic drink (a bottle of cider) in 8mths & it left my head foggy, but the situation around the white K intrigued me so I made a half hearted effort. 19...Bh2+ 20Kh1 Nxf2+ 21Kxh2 Rd3 22Qc2 Rxh3+ 23gxh3 Qh1+ etc. ***************
As I got to the end of the line I started to believe, really believe, I was on the right track. No such luck, but some of the elements were there(but not many), so I'm thankful for that. ^.^ |
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| Mar-03-12 | | fischer2009: I must say i fared well.Found the first three moves in less than a couple of minutes and was sure that this was winning.I always thought that i was quite good in such kinghunts than doubleattacks and was feeling quite proud about the resemblences witt the Rubinstein immortal that did strike me with the very first look i had on the puzzle till i went through <ONCE> post which just puts a doubt as to whether it was just that i was lucky that the first thing i thought about was Bh2+ followed by Rd3 spotting the fork on f2 and then managed to reshuffle things perfectly.The one minor excuse i have is that i had solved some puzzles on Paata Gaprindashvilli's controversial {actually i amnt sure if the book is good or not,thats y the use of this word) book IMAGINATION IN CHESS where these move order tricks and auxillary ideas are subject to careful investigation.Still i would have loved to know how i would have fared if i had started with the many "goodlooking" candidate moves that jus doesnt work. |
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Mar-03-12
| | Memethecat: <Phony Benoni, dzechiel> Same idea, but that 23Kg1 is a real party popper. I needed to run it through an engine before I saw this simple escape. |
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Mar-03-12
 | | scormus: Tough! I got the <Dzechiel line> but couldnt make it work after 23 Kg1. If 23 ... Rh1+ 24 Kxf2 Rxf1+ 25 Kxf1 wins for W. I never thought of playing Rd3 on the first move <Smyslov>, of even the second <Jim> which looks neat. |
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| Mar-03-12 | | goldenbear: I must have seen this game before... the first move that hit me was Rd3!. But I couldn't make it work and I decided I was crazy; the queen can just take. So then I looked the Bh2+ line and realized the queen can't take on d3. From there, calculating the game variation was easy. A rare easy Saturday for me. |
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| Mar-03-12 | | gofer: White has absolutely no threats, so black has time
to build on the already existing threat of Qxg2#.
<19 ... Nh2!>
Black has played a <GOOT>. The threat is two-fold;
20 ... Nxf1 removing the second defender of g2
20 ... Nf3+ winning the rook!
The other nice thing about this move is it doesn't allow
the white queen into f3! So the only question is what
is white going to reply!?
20 Qxb6 Nf3+
21 Kh1 Nxe1 (gxf3 Qxf3 wins the black queen to stop mate) 22 Rxe1 Qxa4 23 Rb8!
22 Qxc6 Bxc6
Either way Black is a rook up for just a single pawn! <20 f3!? Rd2>
Okay white is alive, but it is all starting to look pretty
horrible. White can play Re2 but black can apply pressure
on Na4 by playing b5 forcing it to block the queen from
protecting Pf3! Or can play Nxf3 or even Qxf3! With the
rook on the 2nd rank black has real threats if white re-captures
with gxf3!
Time to check...
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Okay. I was totally wrong. I had found 19 ... Bh2+ 20 Kh1 Nxf2+ 21 Kxh2 Rd3 - like
nearly everyone here, but couldn't make it work, so I decided to
look at a building move... |
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Mar-03-12
| | sevenseaman: <gofer> you have widened the whole page by using a too long line of (~~~~~~). It will not normalise until the next page or you delete and re-enter your comment with a shorter (~~~~~~~~~). |
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| Mar-03-12 | | Penguincw: Darn. I moved by rook one square too far. :( |
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Mar-03-12
 | | morfishine: Decided on <19...Nxf2>; My "line" ran <20.Kxf2 Rd2+ 21.Re2 Rxe2+ 22.Kxe2 Qe4+ 23.Kf2 Bh2 24.Qf3 Qc2+ 25.Qe2 Qf5+ 26.Ke1 (or 26.Ke3) 26...Rd8>
click for larger view
Had <19...Rd3> as my third candidate, focusing on <19...Nh2> and <19...Nxf2>...never really looked at <19...Bh2+> Fun puzzle, Love Smyslov! |
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Later Kibitzing> |
