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| Oct-25-07 |
| sfm: Lovely! How many times have we seen sacrifices at the g7-pawn to strip the king of a pawn protecting him? But here we with a nice quiet move invite this pawn to f6 so it can stand in the way. And the invitation can't be refused. Can't remember seeing anything quite like this move, though famous Fischer vs Benko, 1963 features the same idea: block the f7-pawn. |
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Oct-25-07
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| Peligroso Patzer: <Ragh: <23.Bf6> is a splendid strategy of ripping open the g and h files and black fell for it by taking the poisoned bishop <23..gxf6??>. *** > Black did not "fall" for anything with his 23rd move. White's 23.  f6 was simply winning. It left Black with nothing better than to take the Bishop. None of the following is any improvement over 23. ... gxf6: [A] 23... fc8 24. g5  f8 25.xg7+ e8 26.g8+ d7 27.xf7#; [B] 23...fd8 24.g5 f8 25.xg7+ e8 26.g8+ d7 27.xf7+ c8 28.xc7+ xc7 29.xd8+; or [C] 23...fe8 24.g5 g6 25.h6 and MATE NEXT.
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Oct-25-07
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| Peligroso Patzer: <vonKrolock: *** A strong blitz player (too modest to name himself) *** > LOL.
Reminds me of Janowski's quip that: "There are only three chess masters, Lasker, Capablanca, and the third I am too modest to mention." |
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Oct-25-07
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| Marmot PFL: 23.Bf6! hard to see these sacrifices that don't check or capture anything, but it shows that an "active" bishop on c5 isn't much good if it can't get back and defend if needed (22...Bd6 was much better than d6). |
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| Oct-25-07 |
| TrueBlue: tricky, of course I considered Bf6, but didn't bring the idea all the way :( |
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Oct-25-07
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| karnak64: Very, very clever. I never would have thought of it. But so goes Thursday ... |
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Oct-25-07
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| whiteshark: <<MAJ> / <al wazir>> After MAJ's <23.Bf6 gxf6 24.f4 Rxb3 25.axb3 Rb8 26.Qh6 Rxb3> I like the versatile (attacking) move <27.f5!>, creating further treats (Rf4/fxe6/Qxf6) 
click for larger view e.g. <27...Qe7 28.Rae1> |
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| Oct-25-07 |
| Alphastar: white to move, material even. Black's h-pawn is missing so there is the possible idea of f4-Rf3-Rh3-Qh7/h8#.
The only really fast way to win would be that way. And since our bishop is beeing attacked at the moment, we are going to have to sacrifice it. I've been trying something with 1. f4 dxe5 2. Rf3 for the first 2 minutes, but the problem seems to be that black can move ..f6 at some point and let his king escape.
So here's a resulting move:
1. Bf6!
even with a direct threat: 2. Qg5 g6 3. Qh6 and 4. Qg7#.
So the bishop must be taken:
1. ..gxf6
2. f4 and it seems black can do very little against Rf3-g3. A few sample tries:
2. ..Rc8 3. Qh6! e5 4. Rf3 exf4 5. Rxf4 f5 6. Rxf5 f6 7. Qxf6! 
2. ..Bd4 3. Rf3! f5 4. Rg3+ Bg7 5. Qh6 and mates.
I'm convinced that there is no satisfactory defense so it's time to check. *****
Well there are a few holes in my analysis, as usual. But, as usual, I got the general picture. |
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| Oct-25-07 |
| eblunt: <MAJ: 23. Bf6 gxf6 24. f4 Rxb3! <prevents rook lift, threatens Re3> 25. axb3 Rb8 26. Qh6 <prevents K's escape> Rxb3 <again, prevents rook lift> Beautiful, but isn't 26 Rf3 stronger for white? The K's escape is less important if the rooklift is prevented. This keeps the b pawn, and after rxa6 white is a clear exchange ahead. |
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| Oct-25-07 |
| gnixon: I definitely learned something today. Thanks, CG. |
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Oct-25-07
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| kevin86: I didn't see the win,but I saw a forced draw after Bxg7 Kxg7 Qg5+ etc. The actual WINNING move is a variation to the theme: white opens the g-file and brings his rook to bear on the king's open position. Qh6 then seals in the king-there is no escape. When the pawn stops the incursion on the g-file,the rook batteries with the queen on the h-file. |
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Oct-25-07
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| playground player: Rats! Couldn't figure out how to bring a Rook into the attack. |
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Oct-25-07
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| whiteshark: <eblunt: <Beautiful, but isn't 26 Rf3 stronger for white? The K's escape is less important if the rooklift is prevented.>> I don't think so.
Don't let yourself fob off with only an exchange.
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Oct-25-07
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| Jimfromprovidence: I looked at MAJ”s comments about an alternative line for black. "23. Bf6 gxf6 24. f4 Rxb3! <prevents rook lift, threatens Re3> 25. axb3 Rb8 26. Qh6 <prevents K's escape> Rxb3 <again, prevents rook lift>" Isn’t this line thwarted by 26 b4!, attacking the bishop and preventing the rook from reaching b3? I played out a few versions of this line; they all seem to allow white to gain ample material. To limit black’s loss of material, what about simply 23 Bf6 Bd4? Then 24 Bxd4 e5 limits the damage to a loss of a bishop. I’d be interested in anyone’s comments.
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Oct-25-07
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| patzer2: Today's puzzle solution is the obstruction and demolition move 23. Bf6!, which is a follow-up to the demolition of pawn structure combination initiated by 20. Bxh7+!! |
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| Oct-25-07 |
| Aurora: The real key to getting this puzzle correct is the first move f6.
After that it works like a clockwork. |
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Oct-25-07
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| YouRang: *Sigh* I did a lot of wheel-spinning today. First after 23. Bxg7, and then after 23. Bc3. Never gave 23. Bf6 a chance. |
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Oct-25-07
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| fm avari viraf: Hi, everyone, yesterday only I came back from conducting the South Gujarat Team Chess Championship as well as selecting the Team for the All India Inter University Chess Team Championship. To be candid, I missed you all! As soon as I saw the puzzle, I got the answer since the theme of sacrificing the Bishop either on f6 or Bxg7 was known to me. Here, 23.Bf6 the idea of doubling the f-pawns as well as not allowing the Black Queen to join the defense. Now, Black is forced to play 23...gxf6 24.f4 to bring to Rook to f3 & h3 & Black is totally lost. |
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| Oct-25-07 |
| outsider: was glad to do this in about half a minute. first looked at the brute power of f4 - Rf3 - Rh3. that gives black too much time. then remembered i saw some other game with this idea. honza czervenka, of course, would tell many more games with this idea, but i just can't remember the players. as soon as you see the idea, the end is transparent. if i were as good in real chess as i am in chess puzzles... |
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Oct-25-07
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| wals: Welcome back fm avari viraf: I and I'm sure many others,missed your succcint style. |
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Oct-25-07
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| pittpanther: Seems to me that 24 Rad1 still wins. If black plays 24 .. f5 then play 25. Qg5, if black plays 25 .. Kh7 then play 26. Rd3 followed by mate on the h file. If 25 .. Kh8 then play 26. Qf6 followed by Rh3 and mate. I do not see a refutation to 24 Rad1. |
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| Oct-25-07 |
| Toastman: What is the win for 23 ... Bd4 24. Bxd4 f6? Black is down a bishop but opens the 7th rank for the queen to come up in defence making the win for white far from certain |
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Oct-25-07
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| whiteshark: <Toastman: <What is the win for 23 ... Bd4 24. Bxd4 f6? Black is down a bishop but opens the 7th rank for the queen to come up in defence making the win for white far from certain>> I'll give you <27 minutes> to answer you question yourself!
click for larger view |
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| Oct-25-07 |
| Ashram64: i honestly learned something from this game! |
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| Oct-26-08 |
| Toastman: <whiteshark:> I still can't see it but you enjoy being cool, I wish I could be as cool as you and put people down. Enjoy your life. |
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