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Nov-03-02
 | | Honza Cervenka: 24...Bxd6 25.Nd5 and black loses queen. |
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Nov-03-02
 | | Sneaky: Correct. Furthermore 24...Nxd6 or 24...B(any) leads to the same problem. A clever "clearance sac." |
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| Nov-07-02 | | OttawaChessFan: Obviously Garcia has some kind of morbid fascination with moving his knights to and from as many squares as possible. |
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Sep-28-05
 | | An Englishman: Good Evening: If you going to give Bronstein this kind of position, you should at least make him sacrifice something to get it. |
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| Sep-28-05 | | vampiero: Medina was actually known for his "terrible nights". I heard of a story of another grandmaster who willingly got into a weaker postion just so that he could exchange both the knights. and he escaped with a hard draw. |
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| Sep-28-05 | | pantlko: i hv been successfully solving all the puzzles since last to last Monday (sunday no attempted) and today not able to solve this puzzle. i was looking vey hard for quite long time on this pawn at d5 but was not able to find out the answer. even i am not clear why black stopped playing. Any comments? |
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| Sep-28-05 | | shortsight: <pantlo> after 24.d6, Black either responds 24... Bxd6, when 25.Nd5 trap Black's Queen, as pointed out by Honza. If Black avoid the Queen being trapped by moving to 24.. Qe3, White simply replies 25.dxe7 forking both Black rooks. But a more forceful move if Black plays 24.. Qe3 is 25.Nd5, where it threaten Black Queen at e3 and also Nxe7# |
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| Sep-28-05 | | erikcu: Intesting observation about the knights, they really do dance about in this game. |
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| Sep-28-05 | | prinsallan: Ahh, the pinned pawn. Never saw this until you guys presented the solution, very nice puzzle and I miss my first wednesday puzzle for weeks. |
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Sep-28-05
 | | WannaBe: Didn't get it... Too busy handicapping the upcoming tournament. 8-)) I think Fischer will win. LOL!!! |
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| Sep-28-05 | | jahhaj: I had 24.dxc6 with the same idea. After 24...♗xc6 or 24...♘xc6, 25.♘d5 traps the queen. After 24...bxc6 25.♘d5 ♕b7 26.♘xe7#. But Black can escape with 24...♗e6. Having seen the essential idea, I'm a bit disappointed not to have got the correct move. |
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| Sep-28-05 | | Cryptic: Greetings (my first post) Great site!
Sneaky, agreed 24...Nxd6 does not help. Ha! It would be the eighth time that piece moved! I guess Black has learnt his leason...!? |
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| Sep-28-05 | | SamuelS: I did not get it. I was trying to trap the queen also, but clearing the d5-square for the knight did not come into my mind. I should have been looking for the perfect place for the knight and notice that at d5 it covers all the flight squares b6, b4, and e3. |
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| Sep-28-05 | | pantlko: < shortsight> thanks, now i got it!! |
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| Sep-28-05 | | The beginner: Damn i made the same error as jahhaj
I saw the Queen was trapped, and
thought it was dxc6 :(
I automaticly asume after
24 Dxc6, that black will take back, with eather Knight, or Bishop and, if he does the Queen will be lost. But black can do much better with 24 ..Be6 defending d5. |
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| Sep-28-05 | | mastrocira: And if 24)...Bh4 25)Nd5 Qf2 26)QxQ Bxf2
27) Ne7 mate |
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| Sep-28-05 | | OsmanAnwar: I think 24)Nb5 would have been a good move becoz it is threatning mate on N*a7#....so watever black reply is he will have to guard the a7 pawn....so white's next move would be 25)Bg1 and kapow!!!!the black queen is gone...Please comment... |
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| Sep-28-05 | | The beginner: <OsmanAnwar>
Your idea, is not good because, black can blocade the Bishop g1 24 Nb5 ..c5
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Sep-28-05
 | | Benzol: When I first saw this position as the puzzle I wondered if Black was Steinitz or Petrosian. Anyway, had the right idea of trying to get the Queen but totally wrong execution. I thought of playing 24.a4 with the idea of 25.a5 |
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| Sep-28-05 | | ksk48fi: I am no so good chess player, but here: when you look at the situation, within seconds you can tell where is the pain point. |
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| Sep-28-05 | | YouRang: Missed it. With black's cramped position, I figured it had to be either a smother mate or a queen trap. I went nowhere with the smother mate idea, but I saw potential queen trap chances with 24. Na4...but I couldn't answer Qb4. I failed to visualize the knight's other potential move to d5, which attacks the queen AND block's its escape squares at b4 and c7. All it took was the clearance move, d6. |
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Sep-28-05
 | | al wazir: <jahhaj: I had 24.dxc6 with the same idea... But Black can escape with 24...Be6.> I think your move (which was mine too) also wins, just not as quickly. After 24. dxc6 Be6 white plays 25. cxb7+. Now if 25...Kd7? then 26. Bb5+ Kc8 27. Na4+, winning the queen. If 25...Kxb7 then 26. Na4 Qe3 (26...Qb6? 27. Na5+) 27. Rhe1 Qg5 28. Nc5+, winning at least a rook. That leaves 25...Qxb7 26. Nd5+, winning at least a piece after 26...Nc7 or Bc5, and white's mating attack continues with undiminished strength. |
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| Sep-28-05 | | kevin86: I looked at other moves,then I found that the way to win was to clear the runway for the white knight. Black's queen is trapped again---must be this week's theme. |
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| Sep-28-05 | | TheSlid: I also thought this a hard Wednesday puzzle - maybe not many have a pawn move as the key one. |
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Sep-28-05
 | | LIFE Master AJ: David Bronstein - A. Medina-Garcia;
Gothenburg Interzonal; (R # 14), 09.1955
1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 Be7 6.e3 c6 7.Qc2 Nbd7 8.Bd3 Nf8 9.Nge2 Ne6 10.Bh4 g6!? 11.0-0-0,
White has just a small (solid) edge.
I personally have played this line in many training games against Dr. J. Perciballi of Pensacola. Finding a good plan - to get all your pieces out - is not easy when playing the Black side of the exchange variation. 11...Ng7 12.f3! Nf5!?;
Fritz prefers that Black castle in this position.
13.Bf2 Qa5!?; 14.Kb1 Be6!?; 15.h3 0-0-0;
Through an entire series of naccurate moves, Black has 'helped' White build a small edge into a rather large one. (15...Nd6; might have been slightly better - at least according to Fritz.) 16.e4 Ng7 17.Bg3 Nge8 18.Be5 Rf8 19.Nc1 dxe4;
This is probably dubious - the opening of the center is one of the reasons why Black loses this game. 20.fxe4 Nd7 21.Bh2 Nb8?;
A mistake in an already miserable position.
[Probably 21...f6 was better.]
22.d5! Bd7; 23.Nb3 Qb6; 24.d6!,
White wins in all variations. (  )
[24.d6! Bxd6;
Several programs consider this to be forced in this position.
(Not 24...Bf6?; as 25.Nd5!, wins Black's Queen.)
25.Bxd6 Nxd6; 26.Nd5, and once again - the poor Black Queen lacks a decent flight square. ] 1-0
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