< Earlier Kibitzing · PAGE 2 OF 2 ·
|Jun-09-06|| ||dzechiel: I got it, but it took me 10 minutes (screen saver kicked in twice). I wasted 8 minutes looking for ways to attack the king, then one and a half minutes seeing if I could somehow win the queen, and when I finally realized that I should be trying to pick up one of black's loose pieces, I spotted the capture followed by 28 Qd3! right away.|
|Jun-09-06|| ||al wazir: My line was 27. Nxg5 fxg5 28. Qd3 Qe7 29. Bxd7 Qxd7 30. Bxe5. But then black has 30...Qc6. Oops.|
|Jun-09-06|| ||Confuse: nice, i was wondering why he moved the queen there, then it clicked about a minute later.|
|Jun-09-06|| ||Marco65: I think the complexity of this puzzle lays in the multiple defensive possibility that Black has.|
For instance, the immediate 27.Qd3 would be inaccurate because of the simple 27...Nf7 or the extremely interesting 27...e4 28.Qxd6 exf3 29.Qxd7 (worse is 29.Bxd7? fxe2! 30.Bc3 [30.Bxe8?? Nh3#] Nf3+ 31.Kg2 Nd2+ 32.Kg1 [32.Kh3 Qh5#] e1=Q ) 29...Qxd7 30.Bxd7 fxe2 31.Nc2 [31.Bc3 Nf3+ 32.Kg2 Nd2+ and 33...e1=Q ] Ne1+ 32.Kg1 Nxc2
Also note that 29.Nc4 is very precise, the attractive 29.Bxd7? Qxd7 30.Nc4 Qc6! threatening ...Qg2# fails to win the piece.
|Jun-09-06|| ||greensfield: My initial thought were:-
(a). black K no flight square.
(b). diagonals a2/g8 & b1/h7 were controlled by Q & B.
but insufficient force bearing down on the King so needed to get Knights in there.
So my candidate moves were 27. Nxg5 or Ng4. Went for 27. Nxg5 fxg5. then maybe 28. Ng4
Then scratched my head and saw that 28. Qd3 was strong, but I fizzled out after that, and had a look at the solution and realised I had missed the point. Nice puzzle.
|Jun-09-06|| ||JohnBoy: <Marco> points out the line I was looking at - couldn't get 27.Qd3 to work due to black's mate threats. Some of them are very amusing. (Although I believe he left out 31...Nf3+ in his main line.)|
So it was natural to just eliminate them with the knight swap and piece grab.
|Jun-09-06|| ||jahhaj: I was going to say too easy but then I realised I'd fallen for <Marco65's> trap. I reckon I would have seen the mate threat before it was too late in real game however.|
Spotting the basic idea was easy however, just remember one of Jeremy Silman's rules for tactics, 'always look out for inadequately defended pieces'.
|Jun-09-06|| ||TheNextBobbyFischer: i still dont understand about this puzzle someone please tell me|
|Jun-09-06|| ||TrueBlue: got it in 5 seconds. The solution was obvious, unlike yesterday!|
|Jun-09-06|| ||Demostenes: <TheNextBobbyFischer> Eliskases correctly decided to make use of the main
weakness in Eisinger's camp - namely poor placement of the two black pieces:
the d6-bishop and the d7-knight. The black queen cannot protect both of them at the same time.
The purpose of White's first move (Nxf5) was to weaken the pressure against his kingside. After that the task mentioned above can be fulfilled:
This is the variation I was thinking about:
30.Nc4 and white wins the bishop. Note that there is no need to be afraid of the cooperation of the queen and the b7-bishop agains the white king because white queen threatens to mate on the back rank.
|Jun-09-06|| ||dakgootje: Saw the bad placement of the black pieces and the slightly overworked queen, and thought of some ideas combining that bad placement with an attack on the black king, but somehow managed extremely good in missing the winning line, leaving me with some bad ideas until i gave up...|
|Jun-09-06|| ||jmuller: <Marco65> I agree that the complexity of this puzzle lies in the multiple defensive possibilities that Black has. :-)|
|Jun-09-06|| ||EmperorAtahualpa: My reasons for selecting this puzzle for Friday were as follows:|
- While most winning combinations involve an attack on the enemy king, this one does not and is solely centered on winning material.
- This combination I thought was hard to spot because with 29.Nc4, the knight occupies a square that was occupied by another White piece only one move before.
- The essential move of course to win material is 28.Qd3, but 27.Nxg5! disables Black's defensive move 27...Nf7, which <Marco65> has already pointed out.
|Jun-09-06|| ||JustAFish: I swore to myself that I would sit down and analyze until I got this one... alas, I did not.|
Here's the line I came upon
27. Nd5 Bxd5
28. Qxd5 Nxf3
29. exf3 Qe7
30. Bxd7 Qxd7??
31. Qxa8+ wins...
BUT If 27... Nxf3 then
28. exf3 h6
29. Nc7 Qf8
30. Ne6 and nothing much happens.
I also tried
30 Qa8+ Qf8
31. Qxf8 Bxf8
32. Bxd7 wins a piece..
31... Nxf8 then there's no piece to take.
The solution was so darn simple by comparison. :-)
|Jun-09-06|| ||thegoodanarchist: Eisenger's debacle seems to be a good advertisement for Nimzovich's principle of overprotection. Mas had on the same file a hanging piece and a piece with only one protector. Perhpas he never read "My System" :-)|
|Jun-09-06|| ||Marco65: <Demostenes> Your 28...g6 is something I completely missed, actually if White followed with 29.Bxd7 Qxd7 30.Nc4 Black can save the day by 30...Qc6 (I don't see the mate on the back rank you're talking about).|
But I think White can improve with 30.Bxe5+ or simply not follow Black's intention and play 29.Bh3
|Jun-09-06|| ||YouRang: Well, whaddyaknow? I got it (partly luck). :-)
<My thought process>:
Black's knight at g5 seemed to be a strong defensive piece, while my knight at f3 didn't appear to have any great prospects, so I figured a trade was in order: 27. Nxg5 fxg5.
Then, while trying to figure out make an attack out of the resulting position, I noticed that I could pin Black's d6 bishop and d7 knight with 28. Qd3, and I could even double up the attack on the bishop with Nc4!
For a moment, I thought I could just start with 27. Qd3, but then realized that Black had 27...Nf7 -- so taking the knight first was necessary after all. I was happy to learn that my first instinct was good, even though I didn't see the point of it until later.
So, it's an attack based on removing the defender, and pinning.
|Jun-09-06|| ||Petrocephalon: <EmperorA>: good puzzle suggestion. agree w/ your reasoning as to why it's a Friday puzzle.|
|Jun-09-06|| ||kevin86: zzzzzzzzzzzzzzzzz
I'd rather see a mate. Much more exciting than watching white chase pieces on the d-file.
|Jun-09-06|| ||Marco65: <Eisinger's debacle seems to be a good advertisement for Nimzovich's principle of overprotection> Sure, the only time he remembered of "My System" was when he played 23...f6? overprotecting e5, and it was a forced win for White.|
|Jun-09-06|| ||The17thPawn: <Marco 65> - I see <Demostenes> back rank mate but not after 28..g6 but the game continuation 28...Qe7 29.Bxd7,Qxd7 30.Bxe5,Qc6 31.f3 and Black can't take the bishop or Qd8#. However 31...Bf8 stops the immediate mate and then the game goes on. I think <Al Wazir> had it right and Bxd7 doesn't finish black off. 28...g6 29.Bh3 should still secure the piece for white but I haven't investigated in detail. The precise Nc4 is the key move as you pointed out in the game line.|
|Jun-09-06|| ||goldenbear: Like many others, my first thought was Nxg5. Then I spent 3 or so minutes looking for the "real" solution but I couldn't find it. I gave up and clicked to see the answer.|
|Jun-09-06|| ||Astudent of the game: Correct me if I am wrong... One of the problems I see is the knight being stuck at d7 for 20 moves or so. The knight is "trapped" for the last eight moves. Besides the fact that protecting this knight seems to be overloading Black's queen and even though the knight is providing cover for other pieces, I would think you would want the knight to be more mobile.|
|Jun-21-06|| ||patzer2: Black's decisive mistake was 24...Bd6?, allowing 25. Qc4+! Kh8 26. Bf5! Ng5 27. Nxg5! (a recent daily puzzle solution) to eliminate the possibility 27. Qd3? e4= and set up awinning pin combination.|
|Jun-21-06|| ||patzer2: Instead of 24...Bd6?, Black can hold with 24...Bxe3=.|
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