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Dec-05-16
 | | steinitzfan: I guess now I need to study up on my king and pawn endgames to get the Monday puzzles. I figured an outside passed pawn would have something to do with it. |
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| Dec-05-16 | | gofer: http://www.chessvideos.tv/endgame-t... <Very Easy> ?!?! I think not!!! |
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| Dec-05-16 | | leRevenant: No-one has said "I love Mondays" today.
Hmmmm I wonder why. |
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| Dec-05-16 | | stacase: <morfishine: Easy-Peezy: White, a pawn-up, has a forced win in 178 moves> Ha ha ha ha ha ha ha ha ha ha ha!
First chuckle of the day (-: |
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| Dec-05-16 | | leRevenant: Thank you gofer. I tried this and succeeded on the 3rd attempt. |
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| Dec-05-16 | | rubato: 
click for larger viewafter e4 its 24#; its a very clear won position |
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| Dec-05-16 | | crazyhead: i got the pawn advantage in todays puzzle but would found difficult to win from there capablanca would have found it east |
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| Dec-05-16 | | stacase: <gofer: http://www.chessvideos.tv/endgame-t...
<Very Easy> ?!?! I think not!!!> Great link - Thanks - I did manage to avoid the draw and win (-: |
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| Dec-05-16 | | zb2cr: Thank you to <gofer> for the <chessvideos> link; I played out the e4 line and reached checkmate for White in 33 moves, having no real difficulty. Probably suboptimal in terms of number of moves, though; I really wasn't taking a lot of time to think. Perhaps someone can confirm the h4 line? |
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| Dec-05-16 | | catlover: Thanks, <gofer>. That was fun playing it out on the link. |
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| Dec-05-16 | | Lambda: Game line easy to see, final position is obviously a highly probable win, but it needs a bit of calculation to be certain. My key line was 41. fxg5 hxg5 42. Kf2 Kg7 43. Kf3 Kg6 44. h4 Kf6 45. hxg5+ Kxg5 46. e4 and now the win is obvious. |
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| Dec-05-16 | | Once: I sat Fritzie on the puzzle for the past hour while I went out with the Mem to buy mince pies. We bought some other stuff, but frankly it's only the mince pies that we're interested in. After the exchanges, Fritzie recommends:
41. g4 (#21)
41. fxg5 (#24)
41. Kf2 (#25)
41. e4 (+79.9)
And +79.9 for Kd2, e3, Kf1 and Kd1
41. h4 is not too shabby either at +12.84 |
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| Dec-05-16 | | YetAnotherAmateur: The played combination was easy enough to spot: Simplify with 38. Rxf7 Kxf7 39. Bd5 Kf8/Kg7 40. Bxg8 Kxg8 The trouble, of course, is that this doesn't necessarily improve white's position, it just simplifies the position. 38. Bd5 Bxd5 39. cxd5 followed by Kd2-c3 to shut down black's passed c-pawn seems like at least as viable an option, taking advantage of black's king being stuck on the wrong side of the board. |
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| Dec-05-16 | | Castleinthesky: The trick of this puzzle is that it is not a puzzle, but really a demonstration of a fundamental chess principle: if you are up in material, trade down. Here it is no more complicated than realizing White is up a pawn and if the rook and bishop are traded then there is a clear winning advantage. The complexity lies in trying to find more sexy solutions, rather than sticking to the basics. |
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Dec-05-16
 | | playground player: Gee, for once the bleeding obvious was right. |
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Dec-05-16
 | | gawain: Yes,it was easy enough to see the combination that simplified the position to the won endgame. Not (in my opinion)a "very easy" game to win, though. Therefore, like some others, I spent time looking for something more overwhelming. |
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| Dec-05-16 | | YouRang: Monday 38.?
click for larger view
I got the simplification tactic right away following <38.Rxf7+> and subsequent exchanges, leading to this position at move 41:
click for larger view
Getting to this position is Mondayish enough, although it may be a bit above beginner level to have realized (at move 38) that this resulting one-pawn-up position is winning. Of course it is winning because a kingside passed pawn can be produced for white. Perhaps most direct: <41.fxg5 hxg5 42.e4!>
click for larger view
Black's options:
- 41...(king move) allows 43.exf5 followed by g4, yielding a protected passed pawn. The black king must guard it while the white king is free to plunder elsewhere. - 41...fxe4 and the white king walks up and eats Pe4, leaving a 2 vs 1 pawn advantage on the g & h files, which can be easily converted to a passed pawn. Again, black must guard while white plunders. - 41...(any other move) will lead to similar and even more obvious wins for white. |
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| Dec-05-16 | | kevin86: White Is a pawn up. All he has t do is use a sacrifice to scrub of one piece and a skewer the other of and there's just pawns. |
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| Dec-05-16 | | drollere: it's not just that white is up a pawn, but is up the right pawn configuration. black helped out with 32. ... Nc6, which got the trade down started. |
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| Dec-05-16 | | Herma48852: <morfishine: Easy-Peezy: White, a pawn-up, has a forced win in 178 moves> I believe I have found an improvement with a forced win in 177 moves but there is not enough room in the margin to present the detailed variations. |
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| Dec-05-16 | | Pedro.Akcio: The combination was easy enough to find, and believe me, I'm the worst chess player in history. Since the king cannot move to the upper side of the board we need to exchange a pawn to open a passage. I would play 41.e4 and I can't see a way to lose this game |
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Dec-05-16
 | | GoldenKnight: Herma48852: <morfishine: Easy-Peezy: White, a pawn-up, has a forced win in 178 moves> <I believe I have found an improvement with a forced win in 177 moves but there is not enough room in the margin to present the detailed variations.> Herma48852, are you a mathematician?
For those of you who are not, his comment about there about there not being enough room in the margin was a reference to <Fermat's Last Theorem>. Fermat thought he had a wonderful solution to a theorem but there was not enough room in the margin (where he was accustomed to writing his proofs). It took mathematicians another 300 years to prove it (finally done by Andrew Wiles of Princeton in the mid-1990's). All his other theorems had been proven, only that remained intractable for some time, hence the name. |
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| Dec-05-16 | | Clodhopper: Well, it was only hard because I kept looking for a quick mate. Because it's Monday, don't ya know.... |
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Dec-05-16
| | Bubo bubo: An unusual Monday, no mate or material win today! White simplifies by 38.Rxf7+ Kxf7 39.Bd5+ Kf8/g7 40.Bxg8 Kxg8 and will easily win the king-and-pawn endgame: the white majority at the kingside is bound to produce a passed pawn, and while the black king will be busy with stopping that pawn, the white king heads for the queenside and plays havoc among the black pawns there. |
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| Dec-05-16 | | Mendrys: I agree, <chrisowen>. The variation starting 38. Rxf7+ is easy enough to see but the resulting endgame isn't necessarily a Monday puzzle. This is where some endgame knowledge and technique are good to have. Knowing why a resulting endgame is easily winning and how to exploit a position like black's is something that eludes me too often however. |
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Kibitzing
sac: 38.Rxf7+