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| Mar-09-12 | | rudiment: Oddly enough this is the first one I've gotten this week! Was beginning to despair |
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| Mar-09-12 | | sevenseaman: Radjabov's plan is much cuter. What a device he found! I thought of 60. b6 Rxa4 61. b7 Rb4 but not about this head-on R collision 62. Rc4+. I kept on thinking about B taking my R but not about the N fork from c2. Masterly! Over the last few years I have been meeting real strokes of genius from Radjabov. I've played his games and seen many a brilliancy. He should be among the top few. Good on those who found this charmer. There are aspects of chess that continue to be elusive! |
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Mar-09-12
 | | scormus: 60 b6 Rxa4 61 b7 Rb4 seemed too logical to be wrong. Took me an age to see Rc4+ but I got there in the end. I'm really pleased as I nearly never get these endgame puzzles. I agree with those who thought this would have been easy for B to miss. I could just imagine the expression on Karjakin's face when he saw what was coming. A lovely tactical kill. |
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| Mar-09-12 | | Patriot: I completely missed 62.Rc4+! I probably would have played 60.Ra3 OTB, at least holding on to those passers. I would have considered 60.b6 Rxa4 but unless you see the key move it's not a good idea to play it. |
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| Mar-09-12 | | gofer: I have been playing against <Crafty EGT> for a while now (maybe 1 hr) trying to find a really clear winning line for white if black doesn't fall for the old <60 b6 Rxa4> trap. Originally, I said
<60 b6 Rb7 61 Rb3  > but that is unbelievably lazy! Beating <Crafty> is by no means a simple thing, but I found a winning line eventually and the process of which was very informative and certainly was End Game <Training>! http://www.chessvideos.tv/endgame-t... |
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| Mar-09-12 | | sevenseaman: <scormus> What a delightful job you made of it! Make no mistake, it may now look short and simple, it wasn't easy. |
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| Mar-09-12 | | Travis Bickle: Beautiful ending! |
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Mar-09-12
| | scormus: <sevenseaman> thanks, it felt longer than just the 3 moves! Great avatar, be careful scaling the overhang ;) |
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| Mar-09-12 | | Memethecat: I'm obsessed with pushing b pawn but cant find a way for it to work, oh, hang on. 60b6 Rxa4 (60...Kxc3 61bxa7 loses) 61Rb3 Ba6 62b7 Bxb7 63Rxb7 a piece for 2 pawns, is there more? Yes! got it, I think.
60b6 Rxa4 61b7 Rb4 62Rc4+ the killer move!
62...Rxc4 63Nxc4 Bxc4 64b8=Q
62...Bxc4 63Nc2+ Kc5 64Nxb4 & pawn is promoted
******************
I enjoyed that ^.^ |
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| Mar-09-12 | | Memethecat: <scormus> I hope you weren't offended & took my jibe in the spirit it was intended. Well done today, it looks like we're in the minority. I got a slight tingle in the back of my neck when I saw Rc4+. |
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| Mar-09-12 | | JuliusDS: Got this! Quite pleased with myself. |
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| Mar-09-12 | | CHESSTTCAMPS: In this endgame, white has N+P for a bishop, with advanced connected, passed a+b pawns. The first impression is that this should be an easy win for white, but a closer inspection reveals possible technical difficulties for white. The black king is ideally centralized and attacks the undefended white rook, while the opposing monarch is out of play on h2. The Ra7 attacks the supporting pawn, while the bishop is positioned to swing to a6 if the b-pawn advances, establishing a light-square blockade. Also, white can't support the pawn chain from the rear: the natural move 60.Ra3? allows Bxb5. My first instinct on seeing the position was to advance with tempo (general principles), and with that good start, I found the key tactical line: 60.b6!!
Obviously, you have to calculate that white can give up the a-pawn before you play this. A) 60... Rxa4 61.b7! (Rb3? Ra8 62.b7 Rb8 and the b-pawn is doomed) Rb4 62.Rc4+!! Rxc4 63.b8=Q and
Q+N will dominate R+B in the ending
A.1) 62... Bxc4 63.Nc2+ Kc5 64.Nxb4 then 65.b8=Q is even better for white. B) 60... Rb7 61.Rc6! (The usual rule of thumb is that rooks belong behind passed pawns, but this is one of those exceptions. Black's king is perfectly cut off by this move, leaving no recourse.) Ba6 62.a5 Rd7 63.Nc2+! Ke5 (Kd5/d3 64.Nb4+ wins) 64.Nb4 Bb7 65.a6! and black can resign. I had more trouble with the B-line than the a-line. Time for review.... |
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| Mar-09-12 | | WinKing: <Memethecat: Well done today, it looks like we're in the minority. I got a slight tingle in the back of my neck when I saw Rc4+.> It took me over 30 minutes to see this(62.Rc4+) move. My first thoughts when trying it were 'No way'. The realization when you find it works does give you that 'tingly feelin'. |
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| Mar-09-12 | | dragon player: Endgame puzzle today. I think the solution is a trick to
promote a pawn. This line almost instantly comes up to
my mind:
60. b6 Rxa4
61. b7 Rb4
62. Rc4+! Bxc4
(... Rxc4 63. b8(Q) )
63. Nc2+ Kc3
64. Nxb4 Kxb4
65. b8(Q)
winning.
However, I'm not so sure what to do after 60... Rb7. Maybe 61. Rb3 or Rc6 works. In
the game, Karjakin might have fallen for it, since it
is the last move before the timecontrol.
Let's check, I don't have much time.
----
yes absolutely right.
5/5 now |
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| Mar-09-12 | | TheoNov: Nailed it, about 10-15 min.
A very difficult problem from earlier in the same game: 
click for larger view
Radjabov played 32.Rc5, but What is White's best move here? |
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Mar-09-12
 | | LoveThatJoker: <Everyone> srag kindly reminded me on my forum that today is Fischer's b-day. Swing by my forum and post which Fischer game is your favourite/most memorable (please include the link to the game): LoveThatJoker chessforum
LTJ |
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| Mar-09-12 | | Memethecat: <WinKing> Amazing aye! Imagine if you found a move of that quality during a real game! I find it funny that non chess players are completely unaware of just how exhilarating a move can be for someone who loves the game. In the past I've excitedly tried to show friends some move or combo that's blown my mind, & they just nod & give me a pitying kind of look. You can't blame them, beauty is in the eye etc. |
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| Mar-09-12 | | WinKing: <Memethecat: <WinKing> Amazing aye! Imagine if you found a move of that quality during a real game!> Before my flag falls? Unlikely. ;) |
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| Mar-09-12 | | Oxspawn: I 'saw' b6 if you can see a move without knowing where you are going with it. I even 'saw' the need for b7. But after Rb4 I would have resigned. And if somehow I had played Rc4+ I would still think I had lost. And if then my opponent had resigned, I would have gone home thinking chess is a funny old game. Starting at the end position, I would still swear that black has won after BxR. Think I will stare at it some more before going to find out how on earth white is winning. It is not "not knowing how to get there" that hurts. It is still having no idea when you have arrived. OK so I am a grown up. I got it by myself after a ten minute stare at the board. After BxR Nc2+ and the rook is lost. I would never see this over the board and would have resigned just before black did. Do you think Karjakin saw the horror of this as soon as the rook moved to c4, or was it a slow feeling of ice moving from up the legs until it reached the brain? Some one must already have said more like a hi-jakin than a Karjakin, so I won't. Someone probably says it every time he loses. Poor guy. |
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| Mar-09-12 | | doubledrooks: Passed pawns must be pushed! 60. b6 and now:
a. 60...Rxa4 61. b7 Rb4 62. Rc4+
a.1 62...Rxc4 63. Nxc4 and 64. b8=Q
a.2 62...Bxc4 63. Nc2+ Kc5 64. Nxc4 and 65. b8=Q
b. 60...Rb7 61. Rc6 Ba5 62. a5 and White has the threat of 63. Nc2+ Kd5 64. Nb4+ |
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| Mar-09-12 | | Nemesistic: I was thinking, just keep pushing that b pawn but then what once black plays 61...Rb4???? 62.Rc4+ is really impressive, and if i didn't know it was a puzzle there's no way i would have played those 3 moves otb.. A really really good finish. |
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| Mar-09-12 | | David2009: Radjabov vs Karjakin, 2012 postscript: Thanks to <gofer> for posting the Crafty EGT link to the puzzle position
click for larger view
http://www.chessvideos.tv/endgame-t...
Congratulations also to <gofer> for finding the win in the line 60. b6 Rb7 61.Rb3, which is more than I have managed to do. I can beat the EGT(!) but reach the following drawn Rook ending after 20 moves 
click for larger view (Radjabov v Karjakin 2012 var 60 +20?)
but which the EGT inexplicably lets me win (starting Rf5). Here's a link to explore the swindle: http://www.chessvideos.tv/endgame-t... After 60. b6 Rb7! <CHESSTTCAMPS> has suggested that 61.Rc6 may be the way to go. The EGT responds 61...Be2! and mating nets flash in front of my eyes.
I proceed nevertheless with 62.h5 Rd7 63.g4 (to give myself a flight square) hxg5 64.Nc2+ Ke5 65.Ng4 e3 66.fxe3 Rd2 67.Kg1 Bf3 68.b7 Rd1+ draw by repetition. If someone can find a genuine win please post it. |
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| Mar-09-12 | | sevenseaman: <Oxpawn> I like the way you state your case. The fine art of understatement has been a vanishing one of late. |
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| Mar-09-12 | | doubledrooks: <David2009> wrote: <After 60. b6 Rb7! <CHESSTTCAMPS> has suggested that 61.Rc6 may be the way to go. The EGT responds 61...Be2! and mating nets flash in front of my eyes. I proceed nevertheless with 62.h5 Rd7 63.g4 (to give myself a flight square) hxg5 64.Nc2+ Ke5 65.Ng4 e3 66.fxe3 Rd2 67.Kg1 Bf3 68.b7 Rd1+ draw by repetition. If someone can find a genuine win please post it.> I reached a won position against Crafty after the following: 60. b6 Rb7 61. Rc6 Be2 62. a5 Rd7 63. Nc2+ Ke5 64. Nb4 e3 65. fe Bf3 66. Rc1 Rd2+ 67. Kg1 Kf6 68. a6 Rg2+ 69. Kf1 Rb2 70. Rc4 Be2+ 71. Ke1 Bxc4 72. a7 Rb1+ 73. Kd2 Ra1 74. b7 Rxa7 75. b8=Q |
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| Mar-09-12 | | dark.horse: This is a gorgeous combination. The key move and the one hard to see is the beautiful 61.b7!!, which forces the creation of the Q immediately, despite the fact that Black can attack the pawn with the rook. If you didn't see the implications of 62.Rc4+! after 61...Rb4 you wouldn't have pushed that pawn in the first place. |
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