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Dmitry Jakovenko vs Miguel Illescas
Ciudad de Pamplona (2006), rd 2, Dec-23
Benoni Defense: Modern Variation (A56)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Dec-24-06
Premium Chessgames Member
  Chessical: Jakovenko gets little from the white side of a Benoni using a very unpretentious system with an early <h3>.

<23...g5!> appears to be equal after 24.Qxg5 f6 25.Qxg7+ Kxg7 26.Rg3+ Kf8 27.Ng6+ Kg7 28.Ne5+ Kf8=

Illescas' 24...Ne8 ruins his position.

Dec-24-06  Mameluk: I find the h3 system quite straightforward and aggresive. In your line, Jakovenko would probably play 28. f5, being a pawn up, even if I agree that g5 was <!>, trying to get counterplay. Nice attacking game anyway.
Dec-24-06
Premium Chessgames Member
  Chessical: <Mameluk> Thank you for the suggestion that Jakovenko could play:

<23...g5> 24.Qxg5 f6 25.Qxg7+ Kxg7 26.Rg3+ Kf8 27.Ng6+ Kg7 <28.f5!> -<Mameluk>; now

(1).<28...e5> appears solid, Black will probably double R's on the <d> file, but he is still must find active compensation for his pawn, or

(2).<28...ef> 29.Bxf5 Rxc4 30.Re1 Re8 31.Rxe8 Kxe8 32.Re3+ Kd8, with a sharp position. I have to admit I prefer White as amongst other things <f6> is weakness and the <h> pawn is passed.

Sep-21-15  zanzibar: Just to show Black's position before his 23th move:

(Black to move)


click for larger view

r5k1 /1bn2pq1/pp2p1p1/2p1N3/2Pr1P1Q/3BR2P/PP4P1/R5K1 b - - 0 1

Interesting to note that both Critter/Stockfish think 23...Ne8 is best here.

So what really ruined Illescas' position, 23...Kf8 or 24...Ne8 __ ?

If 23...Ne8, it looks like Black can maintain equality completely. The king is needed as an active defender of h7/8, since the Black queen is overloaded.

After 23...Ne8 if 24.Rae1 then 24...Qf6 shortcircuits the attack.

And if 24.Qe7 then 24...Nd6! 25.Rae1 Re8 kicks the queen out (if 26.Qd7 Qf6).

Lastly if 24.Rf1 then 24...Nf6 or 24...Qf6 locks up the position safely for Black.

So, the 23...Ne8 is good, and prevents White from capitalizing on the weak f6, etc.

* * * * *

Anyways, Black has a few good moves, 23...Ne8 as shown here, 23...g5 as shown above, and even 3rd choice 23...b5. So, it looks as if 23...Kf8 is the critical weakening move.

Dec-26-22  Messiah: I also think 23...Ne8 was the correct path, and such, 23...Kf8? was the decisive mistake.

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