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| May-06-15 | | TheaN: Hm, I had the idea I missed something more direct after 28....Kd7 in the Qxg7+ line, 29.Rh8 is nice. I make a slight error picturing the rook in front of the queen with my 31.Rh7?!, but strikingly enough it works quite well: the black queen is entangled and white can first lock in the dark squared bishop on c3 and then reroute the d-rook to the seventh rank. Pretty much anything wins though, after 30....Kc6. |
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| May-06-15 | | arun.pulak: how about Ng5 to increase pressure on the g7 square after say Rh7 by white....there seems to be many winning lines....black's position gets locked by the f7 pawn....for white the focus should be on not to allow black to push the f7 pawn i feel.... |
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| May-06-15 | | CHESSTTCAMPS: Material is even, but white's space advantage yields much greater activity, with an open h-file fueling a winning king-side attack. Black's better bishop, the dark-square bishop is away from home participating in a counter-attack against white's d-pawn, which leaves the dark squares near the black king defenseless. White can force a quick mate with 27.Qxg8+! Kxg8 28.Rdh1 Nh5 (otherwise 29.Rh8#) 29.Rxh5 gxh5 30.Rxh5 followed by 31.Rh8# |
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| May-06-15 | | Mess With Da King: Thea / agb / Phony,
I went for Qxg7, as I think it either mates or wins at least a rook if black plays Ke8. But surely 30 Qxe6?? loses to Bxe6. Ok, Black should have resigned by that point. But you've gotta love those distant bishops moving backwards... |
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| May-06-15 | | FairyPromotion: D'oh, I messed it up. I immediately looked at Qxg8+ and tried to make it work. And my thought process went like this: After 27. Qxg8+ Kxg8 28. Rdh1 black has ...Nh5 blocking the h file. But if I play 28. Rh6 first the knight on g7 cannot move, and after 29. Rdh1 mate is unavoidable. Then I opened the game and I saw that white indeed played 28. Rdh1. Of course I immediately saw that Rxh5 was forcing mate, but was there something wrong with 28. Rh6? After looking at the position again I spotted that black actually has 28...Ne7!! Felt like an idiot. :( So even this simple looking puzzle turned out to be an instructive one. Modifying the position a bit I created another puzzle: 
click for larger viewHere after 1. Qxf8+ Kxf8 white mates after 2. Rg6!, while 2. Rcg1?? woukd actually lose after 2... Ng5. I congratulate those who looked at Qxg7. The same idea works in the position I gave as well. |
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| May-06-15 | | whiteshark: There's more than one way to skin that black cat. |
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| May-06-15 | | sshhhh: I went for 27. Qh8, pinning the rook and winning the knight (27... Rxh8 28. Rxh8#; 27... Ne8 28. Qxg8+ Kxg8 29. Rh8#, 27 ... Nh5 28. Rxh5 gh 29. Bg7+ Ke7 30. Qxg8, up a knight, so best defence might be just 27 ... Ne7 28. Bxg7+ Ke8, probably a better way to lose a knight). Clearly worse than the actual solution but probably still winning. What's that saying about once you've found a winning move, look to see if there's a better one? |
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| May-06-15 | | patzer2: <sshhhh: I went for 27. Qh8...> If you click on the e8 square on the game board here, you'll get the chessgames.com analysis board showing up with analysis of that move and giving it as only a slight advantage for White after 27. Qh8 Nh5 28. Rxh5 Ne7 29. Qh6+  .I'm a bit surprised the analysis program here (i.e. clicking on the e8 square) picked 27. Qh8 and didn't find one of the two mates-in-five (i.e. 27. Qxg7+ or 27. Qxg8+) or the strong 27. Rh1! pointed out by <Once>. |
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May-06-15
 | | Penguincw: At first, I thought it was a trick puzzle, as 27.Qh8 Rxh8 28.Rxh8# 1-0 was the sure answer, the only problem being 27...Rxh8 not being forced or anything. I then tried 27.Qxg7+, which would work if black plays 27...Rxg7 28.Rh8+ Rg8 29.Rh1, but then there's always 29...Ne7. ... <sshhhh: ... What's that saying about once you've found a winning move, look to see if there's a better one? > (I should know this kind of stuff... )
The quote is by Emanuel Lasker, and it is < "When you see a good move, look for a better one" >. |
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| May-06-15 | | FlashinthePan: I found the same continuation as in the game, but with 28.Rh6 instead of Rdh1, and now if Black plays Nh5, 29.Rh8#. |
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| May-06-15 | | patzer2: <Penquincw><I then tried 27.Qxg7+, which would work if black plays 27...Rxg7 28.Rh8+ Rg8 29.Rh1, but then there's always 29...Ne7. ...> After 28...Rg8, there's 29. Rxg8+ Kxg8 30. Rh1 when, with the Black King on g8, 30...Ne7 is deadwood unable to prevent 31. Rh8#. |
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| May-06-15 | | YouRang: I found the QxN+ variation. The smell of the old rook & bishop mating pattern was too strong to ignore, and only the Ng8 stood in the way. 27.Qxg7 Rxg7 28.Rh8+ Rg8 29.Rxg8 Kxg8 30.Rh1 with 31.Rh8# unstoppable.
click for larger view |
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May-06-15
 | | Fusilli: <<Penquincw><I then tried 27.Qxg7+, which would work if black plays 27...Rxg7 28.Rh8+ Rg8 29.Rh1, but then there's always 29...Ne7. ...> After 28...Rg8, there's 29. Rxg8+ Kxg8 30. Rh1 when, with the Black King on g8, 30...Ne7 is deadwood unable to prevent 31. Rh8#.> That was my solution. I think it's slightly neater than the solution in the game. And white could have done it a move earlier. |
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| May-06-15 | | Nightsurfer: <Fusilli> <al wazir> <sjunto> I agree with you, dear comrades <Fusilli>, <al wazir> & <sjunto>, me too, I have spontaneously opted for the alternative <27.Qxg7+! Rxg7?!? 28.Rh8+ Rg8 29.Rxg8+ Kxg8 30.Rh1 ... & 31.Rh8#>. I think that this alternative looks more convincing than the <27.Qxg8+! ... pp.>-line that has actually been played OTB. :-) |
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| May-06-15 | | TheaN: <Mess With Da King: (...) But surely 30 Qxe6?? loses to Bxe6. Ok, Black should have resigned by that point. But you've gotta love those distant bishops moving backwards...> I think you mean the move 30.Qxe7+, then BxQ: as much as I love bishops moving backwards, they can't do ninja-ish knightesque moves... Bb2xQe7 would be an amazing blitz swindle, but it's not legal ^^. |
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| May-06-15 | | AvidChessMan: I liked 27.Qxg7+ better than 27.Qxg8+. To me, its a cleaner line. |
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| May-06-15 | | TheaN: More interesting, even if Bxe7 was possible it still wins, lets say we play 30.Rh4 Ba3:
click for larger view<31.Qxe7+> definitely not the best move, but <31....Bxe7 32.Rh7! Kc6> trying to repeat with 32....Kd8? fails: 33.Rh8+ Kd7 34.Bxe7!, if 34....Kxe7 35.Rdh1 Kd7 36.R1h7+ Kc6 37.Rxc8!! wins. <33.Rc1+ Kb6 34.Rxc7 Qxc7 35.Bxe7  > white has more than enough for the queen and an amazing position still. |
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| May-06-15 | | kevin86: The queen sac leads to a mate by the rooks and/or bishop with the focus on the h8 square. |
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| May-06-15 | | paavoh: Starting with 27. Qxg7 was quite a clear path to me, and I did not stop to consider alternatives. |
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May-06-15
 | | benveniste: Since 26. ♕xg7+ would have also been mate in 5, I guess we have to assume that move was illegal on that particular day and go with ♕xg8+. |
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| May-06-15 | | stst: One possible line:
27.Rh1 Ne7 (guarding g8)
28.Bxg7+ Rxg7
29.Qxg7+ Kxg7
30.Rh8 any
31.Rh7#
see what's real... |
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| May-06-15 | | BOSTER: Is this really the demonstration of the power open "h" file, or this is entirely predictable failure after move 15...Qa7? |
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| May-06-15 | | MagnusVerMagnus: saw qxg7, then rh8,rg8, and rh1 wins and stopped looking. |
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May-06-15
| | dgm1214: Josef seems to see this moves ahead, seems so simple once you see it! |
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| May-07-15 | | dfcx: Medium/Easy: white to move,
Let's try 27.Qxg7
A. 27...Rxg7 28.Rh8+ Rg8 29.Rxg8+ Kxg8 30.Rh1 and Rh8 mate next B. 27...Ke8 28.Qxg8+ Kd7 29.Qd6+ Ke8 30.Rh8#
Not bad for mate in 5 for a Wednesday.
27.Qxg8 followed by Rh1 also mate in 5.
27.Rh1 will work, but allows black to save the mate with 27...Ne7.
White could have played Qxg7 one move earlier at 26. |
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Kibitzing
sac: 27.Qxg8+