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May-25-25
 | | halito27: Does 32 ...Rd8 hold?
For example, 33. Qc6 (maintain pin on bishop) ...Re3 34. Rxf5 Rf8 and black's holding the position together with bailing wire and duct tape...but holding. Possible continuation: 35. Rgg5 Qe6 36. Rxh5+ Kg7 37. Qxe6 Rxe6... Don't get me wrong: I'd much rather be white in these lines, with an army of pawns for the bishop. But I think this puts up more resistance than the text. |
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May-25-25
| | halito27: <King.Arthur.Brazil> I posted my notes before looking at yours, but I like the 28...Rf6 line. We both agree that black could've put up more resistance than he did. Of course, no slight on Jansa: he's a GM. Seeing this from our armchairs is a little different from seeing it OTB! :-) |
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| May-25-25 | | mel gibson: Hard to know what to do.
White has such weak pawns on f3, f4 & h4.
Stockfish 17 is calling it a draw:
28. Qxd5
(28. Qd1 (1.Qd1 Rf6 2.Qf1 Qe8 3.Re2 Rfe6 4.Rxe3
Rxe3 5.Kh2 Qd8 6.Kh3 Qe8) 0.00/74 285)
score = 0.00 it's a draw. |
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| May-25-25 | | Walter Glattke: I checked out before looking solution:
28.Qd1 Rg8 29.Rg5 Bf6 30.Rxh5+ gxh5 31. Rxg8 Rxf3+ 32.Rg3 Rxg3+ 33.Qxg3 Kh7 = b) 31.-Kxg8 32.Qg1+ Kh7 33.Qxe3 = |
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| May-25-25 | | mel gibson: I made a mistake.
My post should read:
Hard to know what to do.
White has such weak pawns on f3, f4 & h4.
Stockfish 17 is calling it a draw:
28. Qd1
(28. Qd1 (1.Qd1 Rf6 2.Qf1 Qe8 3.Re2 Rfe6 4.Rxe3
Rxe3 5.Kh2 Qd8 6.Kh3 Qe8) 0.00/74 285)
score = 0.00 it's a draw. |
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May-25-25
 | | chrisowen: Lu ven its c Rxf5 its a biff frazzle its coffin its abe its leeway its dub its chi bag Rxf5 its etc |
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May-25-25
 | | MissScarlett: On my front page, it says <33. ?> not <28. ?>. |
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May-25-25
 | | al wazir: 40...Be7 41. h6 Bf8 42. h7 Bg7.
Where's the win?
I suppose white can try something like this: 43. d5 Rxb2 44. d6 Rd2 45. Rxg7+ Kxg7 46. Ke6 Kxh7 47. Ke7 Re2+ 48. Kd8 Rc2 49. d7 Rxc3 50. Ke8 (51. Kf8 Rd3, etc.) Rd3. But now black queens first:
51. d8=Q Rxd8+ 52. Kxd8 Kg6 53. Kc7 b5 54. Kb7 (54. Kd6 b4 55. Ke5 b3 56. f5+ Kf7) b4 55. Kxa7 b3 56. Kb7 b2 57. a7 b1=Q+. |
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| May-25-25 | | mel gibson: MissScarlett: On my front page, it says <33. ?> not <28. ?>. Yes - the puzzle has now been changed. |
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May-25-25
 | | MarcusBierce: I saw Qxf8, not the initial 33.Rxf5. |
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| May-25-25 | | alshatranji: "MarcusBierce: I saw Qxf8, not the initial 33.Rxf5." Same here, with the idea of 33...Qxf8 34. Rxh5+ Qh6 35. Rxh6+ Kxh6 36. Rg8, and then White works on the potential passed pawn on the a file and the center. Stockfish gives Black a very slight advantage in this variation at -0.07. 33.Rxf5 is the right move, but it's not very inspired. Perhaps the puzzle should have started a move later? |
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| May-25-25 | | alshatranji: "mel gibson: MissScarlett: On my front page, it says <33. ?> not <28. ?>.
Yes - the puzzle has now been changed." Same thing, and even now I still think the real puzzle should have started a move later. |
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| May-25-25 | | Walter Glattke: Won ending for white. General change with 33. Rd1 34.Qxf8 Qxf8 35.Rxh5+ Qh6 36.Rxh6+ Kxh6 37.Kg4 Ra1 38.h5+ Kf7 39.Kf5 Ra5+ 40.Ke4 Rxa6 41.c4 Ra4 42.Kd5 Ke7 43.h6 the threatening of d-pawn run through is the deciding overweight here |
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May-25-25
 | | Breunor: For me the hardest part was trying to figure out why 33Qxf8 is even but 33 Rxf5 and then 34 Qxf8 is a fairly large advantage? The reason appears to be that if Rxf5 first, white has 37 Kg4, which isn’t available if he plays 33 Qxf8. |
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| May-26-25 | | FM David H. Levin: <<al wazir>: 40...Be7 41. h6 Bf8 42. h7 Bg7. Where's the win?>
On 40...Be7, White seems to have 41. Rxb6!, intending 41...axb6 42. a7. 
click for larger viewBut even in the line I quoted above (ending with 42...Bg7), I think that
White is winning after 43. Rc6,
click for larger viewintending to meet 43...Rxb2 by 44. Rc7+, 45. Rc8+, and 46. h8=Q. If instead of 43...Rxb2, Black plays 43...Re7, then White's d-pawn can advance. |
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| May-26-25 | | King.Arthur.Brazil: <FM David H. Levin><<Al Wazir> Hi. In your line: <40...Be7 41. h6 Bf8 42. h7 Bg7 43. Rc6> could follow: 43... Rxb2 44. Rc7+ Kf8 45. Rxa7 (a) Ra2 46. Ra8+ Kf7 47. a7 Ra5+ 48. Kg4 Ra3 49. h8=Q Bxh8 50. Rxh8 (if Rxa7 51. Rh7+ and win the ♖) any other move 51. a8=Q. In the other case (b) 45... Re2 46. Ra8+ (anytime Re8 then Rxe8+ followed by a7-a8=Q unstoppable). 46... Kf8 47. a7 Re7 48. h8=Q Bxh8 49. Rxh8. Now, 49... Rxa7 50. Rh7+ win the ♖, 49... Re8 50. a8=Q win the ♖ too. (49... Kg7?? 50.6. a8=Q). |
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| May-26-25 | | saturn2: Is this an easy mondqy puzzle? |
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May-26-25
 | | scormus: Monday, Monday .... |
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| May-26-25 | | actinia: Not veasy. It took me a long process of elimination to decide Rf5 was the best try for advantage because I kept looking for an 'easy' win that was never there. |
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May-26-25
 | | piltdown man: This was yesterday's 'insane" puzzle. |
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May-26-25
| | chrisowen: Laugh its yen c v u Rxf5 abluff frazzle abc claw bath its hug accord mc i c Rxf5 etc |
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| May-26-25 | | TheaN: I see this was yesterday's puzzle 28?, now 33?, where it's likely supposed to be 34?, but why repeat the same game and even move 34 is questionable... On move 33, it's even more deceptive than move 34 as you think firsthand White can sac something (Qxf8 or Rxh5+) to invade, but the queen or bishop always interfere. Instead White has time for <33.Rxf5 ±>, instead threatening 34.Qxf8 Qxf8 35.Rxh5 Qh6 36.Rxh6+ Kxh6 37.Kg4 ± (Kg4 cannot be played if the f5-pawn is still there), where White gets enough compensation for the piece... interestingly, Black has no moves to stop this. The order of events for this game and the PotD of yesterday and today are very peculiar. |
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| May-26-25 | | Shrinarayanan: What kind of Monday Problems are these? Someone goofed. |
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| May-26-25 | | Hercdon: Apparently nobody update GOTD
It�s a holiday in the USA: Memorial Day, when we honor our fallen |
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May-26-25
 | | Dionysius1: That's a relief. I was struggling. On a Monday? |
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sac: 28.Qxd5