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| Apr-22-06 | | RandomVisitor: Just a slight change in your line with 41...Rf8! 42.c8=Q e1=Q+ 43.Rxe1 Rxc8 where the win for white now requires some thought. |
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Apr-22-06
 | | OBIT: <RandomVisitor> I don't see any real complications after 39. Rc1, since 39...Rf3 is not playable due to 40. c6. Also, (<euripedes> beat me to the punch on this one) 39...e3 40. Re1! followed by Kg2 looks pretty straightforward - there is no need to push the c-pawn until the e-pawn has been disposed of. Your 39. Rf1 suggestion also looks fine, but then, any reasonable plan probably works here - after all, White is up a protected passed pawn and Black's e-pawn looks like an easy pick. For a more convoluted way to win, how about 39. Re3 followed by Kg2 and Rc3... :) |
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| Apr-22-06 | | euripides: Yes <39.Rc1 e3 40 c6 e2 41 c7 > Rf8 looks tricky: e.g. 42 Kg2 Kh7 (if 42...Rc8 or 42...Re8 then 43 Kf2) and if 43 c8=Q ? Black has 43...Rxc8 (not 43 ...e1=Q 44 Qc2+). But White can keep things simple with <39 Rc1 e3> 40 Re1 when the pawn blocks Black's tricks on the third rank. |
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Apr-22-06
| | OBIT: Hey, <euripides>, how'd I get in front of you? :) When I noticed your comment with the 40. Re1 suggestion disappear, I looked at the position some more and noticed 40... Rf3 is tricky, since 41. Kg2 Rf2+ makes no progress.
Ah, I'm still confident, even though it appears I have to give back a pawn: 41. Re2 Rxg3+ 42. Kh2 Rf3 43. Kg2 picks off the e-pawn, and that monster protected passed pawn should make the win fairly easy. |
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| Apr-22-06 | | dakgootje: got the first 2 halfmoves, but thought Rh4 for whites 36th move. variation i calculated went: 35. Rxh6 Kg8 36. Rh4 Rf1 37. Kg2 Rxe1 38. Nh6 Kh7 39. Nxf7 Kg6 40. Qxe1 K/R x f7, where white is obviously better BUT there are probably many refutation lines for black with winning chances for black, but when i quickly scanned the comments i didnt find any post with something similar to this variation, thus i posted it ;-) |
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| Apr-22-06 | | Saruman: <dakgootje>in your line 36.Rh4 would have been a blunder since 36.-Rf1+ 37.RxR(37.Kg2 Qf2+! 38.Nxf2 R8xf2#) Nxf2 Qxf1+ 38.Kh2 Qe2+ 39.Nf2 Rxf2+ 40.Kg1 Qf1#. |
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| Apr-22-06 | | Alex S.: Got it. |
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| Apr-22-06 | | AlexandraThess: Well,well this one took me 5 minutes.The problem for me was after black's 35th move. I have to acknowledge i have never seen such idea - 36.Rf6. |
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| Apr-22-06 | | Fezzik: I loved this for its sheer cheekiness! The game was over after the queens and one set of rooks came off, but 39.Rc1 forced resignation. I'm not so sure about this being a Saturday puzzle, but sometimes a position can be very difficult because of the hidden concept more than because of deep, lengthy analysis. I will probably use this some time as a warm-up exercise for my students, but look forward to a more challenging and satisfying position for tomorrow! |
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| Apr-22-06 | | Fezzik: I just read the comments on page 1. All is much more clear now. :) |
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| Apr-22-06 | | RandomVisitor: <OBIT><euripides>Thanks for your ideas & analysis on lines coming from 39.Rc1 |
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Apr-22-06
| | OBIT: Pretty crummy weather where I am... not much to do besides study this silly endgame after 38...Rxf6. (Thanks, chessgames.com!) First, I have to concede that the win looks easier after <RandomVisitor's> suggestion: 39. Rf1! Forcing the Black rook off the f-file so that the king can get to the center does seem to simplify matters. Second, 39. Rxe4 is fine, possibly even the fastest win, since Black's apparent counterplay after 39...Rf3 disappears quickly after 40. Re5! The key idea is 40...Rxa3 41. c6 Rc3 42. Rc5! Also, 40...Rxa3 41. c6 Rf3 42. c7 Rf8 43. Rd5 followed by Rd8 wins. Finally, 40...Rxg3+ 41. Kf2 Rg6 should be an easy win - the White king quickly gets to d5, and with the White rook cutting off the Black king, pushing the c-pawn through should be no problem. |
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Apr-22-06
 | | Sneaky: <39. Rxe4 is fine, possibly even the fastest win> I think it gives away an easy win in exchange for very murky territory. 39.Rc1 is clearly superior. |
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| Apr-22-06 | | RandomVisitor: <OBIT>After 39.Rxe4 Rf3 40.Re5 Kf7 Black has playable chances. |
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Apr-22-06
| | OBIT: Dang, RandomVisitor, you're right... with the king one move closer to the c-pawn, the pawn push doesn't work: 39.Rxe4 Rf3 40.Re5 Kf7! 41. c6 Rxg3+ 42. Kf2 Rc3! holds. It looks like White can't afford to take any shortcuts in this endgame. |
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| Apr-22-06 | | dzechiel: I checked into see what was being said about this puzzle after looking at it last night, and the diagram seems to have changed significantly! I looked at the correct line, but in the incorrect position, and rejected it because I couldn't get it to work. Now my moves will work, so I'm going to give myself credit for solving this one, although as Saturday puzzles go it wasn't that tough. |
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| Apr-22-06 | | jperr75108: got it... somewhat easy for a saturday puzzle, although it took a few minutes |
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| Apr-22-06 | | thschess: I got this one instantly. Very Interesting puzzle |
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| Apr-22-06 | | zabbura2002: I saw 35. Rxh6+ Kg8 36. Nf6+ Rxf6 37. Rxf6 gxf6 38. Rxe4 which i think will win as well, although might not be as efficient as text. |
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| Apr-23-06 | | dakgootje: <Saruman> Ah yes of course, ty for explaining that ;-) |
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Apr-26-06
| | patzer2: White's 35. Rxh6+! takes advantage of the pin to win a pawn, but more importantly sets up the obstruction pseudo sacrifice 36. Rf6! to simplify to a won Rook and pawn ending. Also good is 36. Nf6+! Rxf6 37. Rxf6 Qxf6 38. Qxf6 Rxf6, transposing to the same winning position. Rather than 39. Rc1, I would have preferred the simple 39. Re3. However, either way, Black is clearly lost. |
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Apr-27-06
 | | LIFE Master AJ: Problem of the day ... with White to move and make his 35th move. |
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Apr-27-06
| | LIFE Master AJ: I am thinking about a book along these lines ...
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| Apr-27-06 | | blingice: <LIFE Master AJ: I am thinking about a book along these lines ... > What do you mean? |
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| Apr-27-06 | | hayton3: <blingice: <LIFE Master AJ: I am thinking about a book along these lines ... >
What do you mean?>
He has as much chance of getting a book published as receiving a retrospective congressional medal for his time in the catering corps. So I guess he can only 'think' about it. |
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