| Aug-16-08 | | KingG: Nice finish. |
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| Aug-16-08 | | THE pawn: 25.Rg7!
ouch. |
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Aug-21-08
 | | ray keene: this game won the grahame fowler £850-00 chess set for the most brilliant game |
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| Aug-25-08 | | notyetagm: White to play: 25 ?
click for larger view25 ♖g3-g7!!
click for larger viewhttp://www.chessbase.com/newsdetail...
<25.Rg7!! Be4.
If 25...Kxg7 26.Nxf5+ wins the queen.>
(VAR) 25 ... ♔h8x♖g7?? 26 ♘d4-f5+ <discovered attack>
click for larger view
click for larger viewWhite to play: 27 ?
click for larger view27 ♕h6-f6!! 1-0
click for larger view<26.Qh6 f4 27.Qf6!! 1-0. The second sacrifice, again on an empty square, leaves Black defenceless against mate. A beautiful finish by Werle, and one in keeping with the traditions of Dutch chess – as Ray Keene pointed out, Max Euwe was also famous for sacrifices on empty squares, as in such games as Alekhine-Euwe, Zurich 1934, and Geller-Euwe, Zurich 1953!> |
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Oct-13-20
 | | kingscrusher: Nice finish :) |
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| May-16-24 | | TheaN: Oof, Werle's brutal here. I first looked at 25.Qg4 and Qh6, but both are thwarted by the knight: 25....Ng6 and Ng4 respectively. So then, keep the threat and increase the pressure: <25.Rg7! +->. Of course 25....Kxg7 26.Nxf5+ +- is the point, but what else? White will play Rxb7 or Qh6 and disaster follows. I'll admit I missed Black's defense, and Qh6 is necessary (Qg5 wins too but with the same motif eventually). However, after 26....f4, 27.Qf6! #5 is unnecessary: Rc7 #7 and Ra7 #9 mate as well, pressure on Black's unsolvable. |
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| May-16-24 | | King.Arthur.Brazil: It seemed easy: 25. Qg5 Qc7 26. Qg8+ Rxg8 27. Rxg8#. Then, B must reply: 25... Ng6 26. Qh6 Qxd4 27. Rxg6 and B has no defense. However, the another move is stronger: 25. Qh6 also threats ♕g7# Qe7 26. Nxf5 (Rxf5? or Rf6? 27. Rg8#). Qf6 27. Qxf6+ Rxf6 28. Rg8#. If B defend g7, with Qc7 27. Qxf8#. But B has 25. Ng4, which I didn't see. Rxg7 is a very nice move, I didn't foresee it. |
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| May-16-24 | | Allderdice83: I saw 25. Rg7! (25 ... Kxg7 26. Nxf5+ Rxf5 27. Qxd6 and while Black has a rook and knight for the queen, Black's position is untenable). Sadly, I clicked through before I had a chance to find the second brilliant shot, 27. Qf6!! That's a forced mate no matter what Black does. It's like two puzzles in one. |
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| May-16-24 | | mel gibson: I should have looked longer -
I didn't see that.
I wasted my time looking at Queen moves.
Stockfish 16.1 says:
25. Rg7
(25. Rg7 (1.Rg7 Bxg2+ 2.Rxg2 a5 3.Rg3 Ng4 4.Qc3 Nf6 5.Rg5 Qc5 6.Qxc5 bxc5
7.Nxf5 Ne4 8.Rg4 Nf6 9.Ra4 Ra8 10.Ne3 Kg7 11.Bb3 Ra7 12.Bc2 Ra6 13.Kg2 h6
14.Rf4 Rb6 ) +5.60/47 260)
score for White +5.60 depth 47. |
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| May-16-24 | | trnbg: ...but this is not "medium" difficulty! |
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May-16-24
 | | Sally Simpson: POTD (white to move)
click for larger viewI looked at 25.Qg4 and 25.Qh6 nothing convincing. So knowing there must be something good on I found Rg7 as the best try - 'that must be it.' and stopped there. Not sure I would have seen it in an OTB game. It is difficult to spot sacs on an empty squares. Put a black pawn on g7 and I suspect some will get it quicker and I would not have wasted time looking at 25.Qh6. |
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| May-16-24 | | TheaN: <King.Arthur.Brazil: It seemed easy: 25. Qg5 (...) then, B must reply: 25... Ng6 26. Qh6 Qxd4 27. Rxg6 and B has no defense.>
click for larger view
Er, 27....? Guess we can argue Black has no defense but you don't need one of you can offense instead... The weakness of White's d-file prevents the knight from coming in without check actually. |
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May-16-24
 | | Teyss: Lovely puzzle with a rare pattern: three different sacs (Rook, Knight, Queen), on different squares, without captures and without checks. Okay 26...Qxd4?? 27.Qxh7# is obvious but technically it's still a sac. |
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May-16-24
| | Teyss: Hi TheaN,
"Guess we can argue Black has no defense but you don't need one of you can offense instead..." Sarcasm, my favourite type of humour ;-) Good point about White having to be careful about that d file. |
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May-16-24
| | Teyss: Hi Geoff,
"It is difficult to spot sacs on an empty squares. Put a black pawn on g7 and I suspect some will get it quicker" Indeed, it's difficult enough to see a sac, it's even harder if there is no capture or check. Let's make it easier for you: White to play and win:
click for larger viewLet's make it even easier: 
click for larger view Yup, the combination still works. |
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May-16-24
 | | chrisowen: I quart med its z gas its happy its jufa Rg7 gack bid boil its time Rg7 cub; |
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| May-16-24 | | thegoodanarchist: Werle Gig |
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| May-16-24 | | TheaN: <TheaN: <King.Arthur.Brazil: It seemed easy: 25. Qg5 (...) then, B must reply: 25... Ng6 26. Qh6 Qxd4 27. Rxg6 and B has no defense.> Er, 27....?>
Interestingly, 26....Qxd4?? is in fact also a huge blunder, as would 27.Rxg6?? be (instead, 26....Rf6=):
click for larger view
White to play. Definitely a few layers to this position, I like it. |
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May-16-24
| | chrisowen: What am I
I bite but aint a biter
I have no teether xx |
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May-16-24
 | | Stonehenge: 27...Ng6 28. Rg8# would have been nice. |
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| May-16-24 | | King.Arthur.Brazil: <TheaN> When studying the position, I thought ♔ was in g1. Since I posted too fast, I didn't not only see Qd1# as well, my response to Rf6 "would be Nxf5", which leads to the same error... sorry. In my head, Qd1+, Kh2. Big fault. |
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May-17-24
| | Teyss: Looking at this great puzzle again yesterday evening I realised there was a flaw in my last diagram above: the h6 N is protecting f5 so actually this position works for White in the game line and a few others but not in all lines. Here is the revised puzzle: White to play and win (for players who like to sac with captures): 
click for larger view |
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Kibitzing
