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Old July 20th 03, 05:36 AM
'SkinsFan
 
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Default Slav Defense

Can anybody shed some light on the gambit:

1. d4 d5
2. c4 c6
3. Nf3 Nf6
4. Nc3 dxc4
5. a4 e5!?

I've let fritz look at that initial position... it gives white only a
small edge so there's some compensation but i'm having trouble
articulating it... i dont really understand what the compensation
is... black has a small development advantage but how might that be
translated into weaknesses in teh white camp??

Any ideas?
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Old July 21st 03, 12:11 AM
Claus-Jürgen Heigl
 
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Default Slav Defense

Dvd Avins wrote:

Here are the two games that I see in that line. The second one shows an idea
for Black, but I'm not at all sure that 7.e3 is best for White. In the first
game, after a different 6th move for Black, White declines the gambit and
looks fine but not overwhelming.

Bacrot, Etienne (2618) -- Morozevich, Alexander (2745)
1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 dxc4 5.a4 e5 6.Nxe5 Bb4 7.e3 Be6


Gremeda, Nuri Milad -- Chavez, Ri (2150)
1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 dxc4 5.a4 e5 6.Nxe5 Be6 7.e3 Bb4


Both games reached the same position after a different move order.
One idea of 5. e5 is since White already gambited a pawn Black
choses to keep the c4-pawn and gives back the e-pawn instead. So
itīs only a Black gambit if White captures both the e and c pawn
and gets away with it.

Interestingly Morozevich didnīt protect the c-pawn immediatly and
played 6...Bb4 instead, giving White the opportunity to capture
the c-pawn immediatly.

Some speculation what happens if White takes the pawn: 7. Nxc4 c5
8. dxc5 (8. d5 Nxd5 gives back the pawn, White is on the defensive;
8. e3 Nc6 9. Be2 [9. Ne5!?] cxd4 10. exd4 Nxd4 = ) 8...Qxd1+ 9. Kxd1
0-0. Black is one pawn down (really two, but c5 is doomed) but has a
development advantage and the white squares on Whiteīs queenside are
weak. Probably Black has compensation.

6...Bb4 prevents 7. e4 which could have been played after 6...Be6.

6...Be6 7. e4 Bb4 8. Bxc4 (perhaps 8. f3 is good because 8...Nxe4
9. fxe4 Qh4+ 10. Ke2 doesnīt seem to work for Black; 9...Qa5 10. Bd2
0-0 11. Nxc4 Qh5 12. Be2 Qh4+ 13. Kf1 [13. g3 Qh3] Rd8 is unclear or
+/- ?) 8...Bxc4 9. Nxc4 Nxe4 10. 0-0 Nxc3 11. Qe1+ Ne2+ 12. Qxe2 Qe7
=.

It looks like 7. e3 is the most serious attempt to get an advantage
after both 6...Be6 and 6...Bb4 so there is not really much difference.

6...Bb4 7. e3 Be6

White can take the pawn now in two different ways. 8. Bxc4 Bxc4
9. Nxc4 Qd5 and Black wins the pawn back.

After 8. Nxc4 there isnīt a quick way to win back the pawn, so Black
should look for other compensation. Iīm convinced Black should strike
immediately at the center with 8...c5 threatening Nc6 with
considerable pressure against the center. If 9. dxc5 Qxd1+ 10. Kxd1
0-0 Black perhaps has compensation in better development and the bad
placement of the white pieces.

Bacrot didnīt take the pawn and later reached a good position.

Claus-Juergen
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