< Earlier Kibitzing · PAGE 7 OF 7 ·
|Dec-10-15|| ||morfishine: A straightforward solution: <39...Rh4> and White can resign due to 40.Kxh4 g5+ 41.Kxg5 Kg7 and Lasker is left scratching his head|
|Dec-10-15|| ||wooden nickel: Lasker had actually sacked his Rook (34.Rf8+) for the passed pawn while Black's d-pawn blocks a potential check with the rook in the 5th row if it wasn't for this esthetic combo. <Necessity is the mother of invention>
It was too late for 38.Kf2 which would have been a draw!|
|Dec-10-15|| ||whiteshark: Had seen this ...Rh4 deflection trick before. Still cute to recongnise it..|
|Dec-10-15|| ||CHESSTTCAMPS: White appears to have an unstoppable pawn on h7 about to be promoted, but Lasker's opponent has a sneaky way out:|
39... Rh4! 40.Kxh4 g5+ 41.Kxg5 Kg7 and black's king can stop white's passed pawns but white's king can't stop black's passed pawns, e.g.
A.42.Kf4 b4 43.Ke3 b3 42.Kd2 (Kd3 d4) d4 43.g4 (Kc1 d3 44.Kb2 d2 promotes) a5 44.g5 Kxh7 45.h4 a4 46.h5 a3 47.Kc1 d3 and either the a-pawn or d-pawn promotes
B.42.g4 b4 43.h8=Q+ Kxh8 44.Kf6 b3 45.g5 b2 46.Kf7 b1=Q 47.g6 Q=f5+ wins.
|Dec-10-15|| ||patzer2: Interesting Thursday puzzle game. The decoy solution 39...Rh4! 40. Kxh4 g5+ was set up by 38...Rc4+! , which was a Friday puzzle back on April 30, 2010.|
Instead of 27...Nxd4? =, Black could have won the game earlier after 27. f5 (diagram below)
click for larger view
with 28...Rxg2+ 29. Qxg2 Nxd4! (-3.40 @ 22 depth, Deep Fritz 14).
Black made an even worse blunder with 28...Nxc2?, allowing White the clever winning double attack swindle 29. Bc4! (diagram below)
click for larger view
which utilizes a pin to win the exchange with decisive advantage after 29...Rxc5 30. Rxe4 (+3.13 @ 21 depth, Deep Fritz 14).
As <jimfromprovidence> observes White missed the winning follow-up 37. Ke3! Rc3+ 38. Kd2 (diagram below)
click for larger view
which would have allowed the h-pawn to queen with decisive advantage (+4.17 @ 24 depth, Deep Fritz 14).
White's decisive error was 38.Kg4?? allowing 38...Rc4+! (-13.59 @ 24 depth, Deep Fritz 14).
Instead, 38. Kf2! allows White to regroup and transpose to the win pointed out by <jimfromprovidence> after 38...Rc2+ 39. Ke3! (+3.21 @ 26 depth, Deep Fritz 14).
|Dec-10-15|| ||Lparker: What about 38. Kh4?|
|Dec-10-15|| ||Lparker: Sorry, Kh4 loses sooner!|
|Dec-10-15|| ||saturn2: 39...Rh4 is the one and only move.|
|Dec-10-15|| ||LucB: Happy Birthday CG!
Here's a similar puzzle; perhaps some of you have seen it:
|Dec-10-15|| ||kevin86: Lasker is outLASKERED in this one. Black is desperate to get the pawn out of the way and the rook sac will take care of that as the pawn can CHECK with a gain of tempo. Then the king can take care of the pawn.|
|Dec-10-15|| ||Howard: Somewhat strangely, no one yet has mentioned that this position was shown in photograph form in a 1984 back issue of "Chess Life". The article was called "The Ultimate Blunder", and it was about resigning in a WON position. This position was shown at the beginning of the article, and the solution was given at the end.|
|Dec-10-15|| ||petrosianc: 33.Rf8+, R:f8
34.Q:c2 doesn't win the game easily for white ?
|Dec-10-15|| ||petemccabe: This seem like a relatively easy thing to spot (especially for a Thursday), butů Lasker missed it.|
|Dec-10-15|| ||Castleinthesky: Got it, I won't give it to anyone (because it it's contagious). A Thursday rarity for me.|
|Dec-10-15|| ||Olsonist: This had to be the easiest Thursday ever.
Thursday's are rare for me too.
|Dec-10-15|| ||M.Hassan: I found the solution very soon too. A Rook sac plus a check by pawn with tempo brings win for Black|
Black King can take care of White pawns but White king after capturing d pawn has to go after b7 pawn and by then b5 pawn can promote itself.
|Dec-10-15|| ||FSR: I've seen this one before. Cute trick.|
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|Dec-10-15|| ||Mating Net: The technique for stopping the pawn is quite similar to what Kasparov used in this game Kasparov vs Timman, 2000|
|Dec-10-15|| ||Marmot PFL: <Can white win? - I think so, by deviating from the game at move 37.>|
I am not sure. If the WK goes to the e-file black plays Rxg2 and endings like this one are draws -
click for larger view
|Dec-10-15|| ||eaglewing: <Jimfromprovidence> <Tiggler> <patzer2>:
Regarding 38.Ke3 (or 38.Kf3/Ke2/Kd3) really winning I have a doubt. I just do not know.|
38. Ke3 Rxg2 39. h8Q+ Ke7 and studying the position with a tablebase is really interesting (K's, Q, R and Pawns g7+h2).
If Black can hold the King near/behind the g7 and transfer the rook to f6/h6, he is save. The tablebase position is won, but do the 4 pawns, especially the d5, allow the necessary distraction of White to reach the safe haven?
The tablebase win continues 40. Qh4+ and against 40. ... Ke8 the most direct win is Qe4+, but that does not work here. Do the computer-lines really see a win or do they just estimate Queen vs. Rook is a sufficient advantage for the win in an unclear position?
|Dec-10-15|| ||eaglewing: How is it called? Ninja'ed? ;-)
Greetings <Marmot PFL>!
|Dec-10-15|| ||PJs Studio: Patser2 and Jim...have it. The kind needed to chase the rook from the first through third ranks. As soon as he goes to the fourth he is lost. |
Interestingly Lasker may have lost his sense of danger - BLACK LOOKS COMPLETELY BUSTED. In other words, hard to see Rh4 when the rook is the only thing keeping black alive. Aside, - the white king is needed up the board to help the queen with mate or the black Qside pawns and rook could be trouble.
|Dec-10-15|| ||Olsonist: Doesn't the forced continuation start earlier?|
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