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Jul-17-11
 | | LIFE Master AJ: How the heck is this a Benoni????
After 5-7 moves, definitely looks like a Semi-Tarrasch / QGA to me. Now way its a BEN-ONI (son of sorrow). Black never fianchetto's his KB!
Wassup CG staff? |
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Jul-17-11
| | LIFE Master AJ: A more common move order might be:
1.d4, d5; 2.c4, e6; 3.Nf3, Nf6; 4.e3, c5; 5.Nc3, Nc6; 6.a3, transposing to this game. |
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Jul-17-11
| | LIFE Master AJ: MCO-15, page # 432 gives:
1.d4, d5; 2.c4, e6; 3.Nc3, Nf6; 4.Nf3, c5; 5.cxd5 ... (main line) [5.e3, Nc6; and 6.a3 is our game here.]
Its NOT a full-blown Tarrasch, according to ECO and MCO, White almost always plays 4.cxd5 in those lines ... so where did I miss it? |
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Jul-17-11
| | LIFE Master AJ: I played the Benoni for 20+ years in tournaments, I never once played ...d5; in any of those games. |
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| Jul-17-11 | | UnsoundHero: After 18 Rxd7 Rxd7 19 e5, one of the flashier lines goes 19...Nd5 20 Bxf7+ Kxf7 21 e6+ Kf8 22 exd7 Bxg5 23 Nxd5, black can't advantageously recapture anything. If 23...Bxd5 24 Rc8+. Or 23...Bxc1 24 Qe7+ Kg8 25 Qe8+. |
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| Jul-17-11 | | David2009: C Garcia-Palermo vs Wolff, 1986 White 16? Try 16.Nxe6 fxe6 17.Bxe6+ Kh8 18.Rxd7 seeing (A) 18...Nxd7 Bxe7 etc (B) 18...Rxd7 19.Bxd7 etc. Time to
check:
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I missed the best defence 18...Rf7!. Puzzle position:
click for larger view
and Crafty End Game Trainer link:
http://www.chessvideos.tv/endgame-t...
Against 16.Nxe6 the EGT plays fxe6 17.Bxe6+ Rf7 and meets the game continuation 18.e5 Nxe5 to reach
click for larger view
when the simple-minded 19.Bg4?? is crunched by 19....Nf3+ etc.
I leave it to my fellow-solvers to find the win: it seems a pity to use silicon at this stage. Meanwhile congratulations to <dzechiel> and <Seth> for finding the win - i.e. a significantly better position for White a safe Pawn up - from the puzzle position by varying from the game line. |
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| Jul-17-11 | | tacticalmonster: candidate: 16 Nxe6 fxe6 17 Bxe6+
a) 17 Kh8 18 Bxd7 Rxd7 19 Rxd7 Nxd7 20 Bxe7 Re8 21 Bh4- White is just up two pawns b) 17 Rf7 18 Rxd7! Rxd7 19 e5 (threatening Bxf7+ and e6) Bd8 20 exf6 gxf6 21 Bh6  |
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| Jul-17-11 | | Patriot: Time spent: 10 minutes with chess clock
Material: Even
Immediately I wanted to play 16.Nxe6 and looked around at a few other candidates like 16.Bxe6, 16.e5, and 16.Nf5. 16.Nf5 exf5 17.exf5 Rfe8 looks busted.
16.e5 Qxe5 does not look promising.
16.Bxe6 fxe6 17.Nxe6 wins at least two pawns and a rook for two pieces. 16.Nxe6 fxe6 17.Bxe6+ Kh8 18.Bxd7 Rxd7 19.Rxd7 Nxd7 20.Bxe7 wins two pawns. So then I looked at 16.Nxe6 fxe6 17.Bxe6+ Rf7 and became a little perplexed at how to continue. But I felt pretty secure knowing that white at least wins two pawns and a rook for two pieces, which isn't bad. At this point I was forced to decide 16.Nxe6 as my time was almost zero. |
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Jul-17-11
 | | Jimfromprovidence: I got the same line as <stukkenjager>, 16 Nxe6 fxe6 17 Bxe6+ Kh8 18 Bxd7 Bd6!
click for larger view Now white has to move the light-squared bishop and black picks off white's h pawn. Side puzzle: After 19 Bf5, below, why can't black play 19...g6. 
click for larger view |
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| Jul-17-11 | | Marmot PFL: The key is to see 19 e5, which i did not. |
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| Jul-17-11 | | Patriot: <Jimfromprovidence> 18...Bd6! is a nice find which I didn't see during the 10 minutes of analyzing. It is a double-threat which white would have to consider capturing another piece (like 19.Bxf6) or retreat the bishop. After 19.Bf5 g6, I looked at 20.Rxd6 Qxd6/Rxd6 21.e5. This looks very strong. |
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| Jul-17-11 | | bachbeet: I probably wouldn't have resigned at move 27 as Black did here but I'm not a master player. I guess he figured the 2 pawn advantage was enough. |
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| Jul-17-11 | | morfishine: <LIFE Master AJ>...<How the heck is this a Benoni????> Like no Benoni I've every seen.... Perhaps its a <phony benoni> |
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| Jul-17-11 | | Casseb: <psmith> If 22..Kg8 23. Bf4? Rxc3! If 24. Bxb8 Rc1# |
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| Jul-17-11 | | wals: Rybka 4 x 64 d 18 : 4 min :
19...Rc7 +3.92, handed the game to White.
Available were -
: 1.  (0.98): 19...Bf8 20.exf6 gxf6 21.Be3 f5 22.a4 bxa4 23.Nxa4 Qe5 24.Nc5 Bxc5 25.Bxf7+ Rxf7 26.Rxc5 Qe6 27.Qc4 Qxc4 28.Rxc4 Kg7 29.f3 Kf6 30.Kf2 Rd7 31.Rb4 Bc8 32.g3 Rb7 33.Bd4+ Kg5 34.h4+ Kh5 2. (1.22): 19...Qe8 20.Bxf6 Bxf6 21.exf6 gxf6 22.Bxd7 Qxe2 23.Nxe2 Rxd7[] 24.f3 Kf7 25.Kf2 f5 26.b4 Kf6 27.Nf4 h6 28.Re1 Rd2+ 29.Re2 Rd6 30.g3 Ba8 31.Re8 Bd5 32.Ke3 Bc4 3. (1.33): 19...Rd4 20.exf6 Bxf6 21.Bxf6 gxf6 22.Bxf7+ Kxf7 23.Re1 Qd8 24.Qe6+ Kg6 25.Re3 Kh6 26.Rh3+ Kg7[] 27.Rg3+ Kh8[] 28.Re3 Rd7 |
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| Jul-17-11 | | agb2002: I haven't found the time today to study the position but I probably would have tried 16.Bxe6 fxe6 17.Nxe6 followed by Nxd(f)8 and f4, e5, f5, etc. when appropriate. Off to bed now. |
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| Jul-17-11 | | rhickma4: With a bit of preparation work, it looks as if the pin of the N on c6 can be exploited. 16.Nxe6+ fxe6 17.Bxe6+ Kh1 18.Bxd7 Rxd7 19.Rxd7 Nxd7 20.Bxe7 Re8
White has won 2p, but this position is far from conclusive.
If he cannot hold onto the e pawn, then B may well be Ok
Can't see anything else here. |
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| Jul-17-11 | | Creg: I don't believe I got a Sunday puzzle. I looked at one sac after the other. The e6 square being the first target, but it wasn't until I realized that black bishop on e7 was unguarded, and that the knight at f6 was in effect pinned, that 16.Nxe6 fxe6 17.Bxe6+ would certainly regain the piece. I am happy with that... :) |
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| Jul-17-11 | | WhiteRook48: shoot, I'm horrible at this. I had the right idea the first time, and then switched to a different move. |
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| Jul-17-11 | | Terry McCracken: Does <LIFE Master AJ or Mr. Goldsby> have to make post after post in consective order no less? That's spam (worse than facebook pages) and it's very annoying. He's putting off people not just me. People he knows should ask him politely to curb his impulses. It's like OCD, terrible. |
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| Jul-17-11 | | I play the Fred: <Terry>: It's been tried; AJ is intractable. An influential poster negotiated some kind of a truce, and apparently in the wake of the agreement, AJ has more elbow room. |
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| Jul-17-11 | | stst: As insane as the FIFA Women's WC!
Murred and couldn't get through -
16.Nxe6 forks R, fxe6
17.Bxe6 Kh8
18.Bxf6 gxf6
19.Qh5 h6
20.Qg6 Ne5
21.Qf5 ...
(Bk gets more tenacity - like the Japs? and finally gives W (c.f. U.S.) a stun?? -- could well be!!)Too tired to see through other lines... |
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Jul-18-11
 | | scormus: I sometimes think it helps not to know too many openings, I'm sure it would confuse me if I knew them more. I had a quick look after the weekend away and thought, "hey, if you ignore a couple of missing pawns it looks very Najdorfesque." Which led me to 16 Nxe6. Then the main line sort of snapped into place. Though I am not sure what the main line should be. 17 ... Rc7 or .... Kh8? I rather thought Kh8 the lesser of 2 evals for B, 2 pawns down but can fight on. <LMAJ> Didnt seriously ponder about the opening, but Benoni was almost the last thing I expected. |
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Jul-18-11
| | LIFE Master AJ: Its NOT a Benoni ... |
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Aug-31-11
 | | perfidious: <Its NOT a Benoni ...> I can't agree more, as this transposes into a Queen's Gambit. Garcia Palermo obviously didn't want to allow Wolff's then favourite Benko. |
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sac: 18.Rxd7