Sicilienne Kan-Paulsen

1.e4 c5 2.Nf3 e6 3.d4 cd4 4.Nd4 Nf6 5.Nc3 Bb4

Dernière mise à jour le  25-01-04

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Vu en Dec 98 article interessant ds news, voir variante B (avec Ne4)

derniére parties étudiées: voir article d'Ignacio Marin, en B1

A 6.e5 Nd5

The key to this position is that black hasn't played d6. Therefore: 6.e5!.(Koch)>br> Then BCO2 gives the following variations:

A1 6.e5 Nd5 7.Qg4 (7.Bd2 Bc3 8.bc leads to +/=) 0-0 (sinon voir a2) 8.Bh6 winning the exchange, leading to a small white advantage, e.g. 8.Bh6 (a3?! f5 Inf 30/319n) g6 9.Bf8 Qf8

a) 10.Nbd2 Qc5 11.Qg3 (ou 10.Qg3 Qc5 11.Nde2)

11...Nc6 12.0-0-0!(f4? Ne3!) Rodriguez-Spielman 80, Inf 30/319, Aseiev-Steffen Le Monde 1436n =

        a2)    11...Nc6 12.a3 Bc3 13.Nc3 Nc3 Aseiev-Steffen Le Monde 1436

    b) 10.Nde2 Nc6 11.Qg3 d6 12.a3! Bc3 (Bc5 Vilela-Nogueira =

    b1) 10.Qg3 Nc6!? Matulovic-Krnic 0-1 (11.Nc6 bc6 12.a3! (Bc4 Nc3!) Ba5 13.b4 Bc7) Inf 33/238

A3 6.e5 Nd5 7.Qg4 sans 0-0

    a) 7...Kf6?! Veroci-Glaz 1980, Inf 20/357, Inf 30/320 (8.Bd3!?)

    b) 7...Qa5!? Inf 3/371 8.Qe4! (montrant que Qa5 n'est pas faciel à réfuter, à essayer si a1 avec 0-0 échoue.

A classer: Inf 33/237 et 238, Inf 35/225

A3 6.e5 Nd5 7.Bd2!

a)    7...Nc3! 8.bc3 Be7! (Bf8?! Inf 25/371 9.Rb1!?)

a1 9.Qg4 0-0 (g5!?) 10.Bh6 (h4!) g6 11.Bf8 Bf8

a11 12.Be2? Qa5    Aseiev-Steffens Le Monde 1436

Inf 33/238

a12 12.Bd3 (killer?) Qa5 13.0-0 Qe5 14.Rae1 (f4 Inf 32/234)

voir Inf 35/225n, Inf 32/243 et essayer 14.Rae1 Qa5 ou Qc7 (Nb5 Qa5) au lieu de Qc5

    b)    7...Bc3      Inf 35/233

Inf 34/227 (voir 10.ed6 au lieu de Qh5)

Aseiev-Stefens Le Monde 1436

Geller-Cejtlib 82 (1-0)

B 6.e5 Ne4?!

empêche 7.Bd2 qui s'est avéré dangereux ci-dessus et permet à Qa5 d'attaquer le pion e5 qui serait sinon caché par le Nd5

B1 7.Qg4

a) 7… Qa5 8.Qxe4 (8.Qxg7 Rf8 9.a3 Nb5+ (Ba5 10.Bh6 Qe7 11.Nb3) 10.ab Nxd4 11.Bg5! Qb6 12. Bh6 Qxb4+ 13.c3 +/- Szabo-Mikenas 1939.) Bxc3+ 9.bc Qxc3+ 10.Kd1 d5! (Qxa1? 11.Nb5 d5 12. Qb4! Na6 13. Nd6+ Kd7 14.Bb5+! (mieux que Ba6 comme Primavera-Palmiotto inf 3/371, 1-0) Kc7 15.Ne8+! Kb6 16.Bxa6+ Kxa6 17.Nc7 mate)

This is from Ignacio Marin:
http://cmgm.stanford.edu/~marin/chess.html
<MARIN> I studied this variation by chance in 1978, when a few of my
young friends started playing it. After a while, I found something
interesting in the more than doubtful variation 6... Ne4??! that you won't
see in the books: 7. Qg4 Qa5! 8. Qe4 (probably 8. Qg7, as indicated by ECO is
stronger, but this is still the main line in 'Beating the Sicilian 3' by Nunn
and Gallagher, among other books) Bc3+ 9 bc3 Qc3 10 Kd1 is given as winning
for white after 10...Qa1? 11. Nb5 d5 12 Qb4! but not however 12. ed6? as
played in a soviet game in the fifties, when after 12...Na6 the situation is
unclear. What I discovered was the nice 10...d5! and if 11. ed6 (what else?)
then 11...Qa1. <MARIN>
This line has some great sting! Furthermore, it really isnt well known...After Ignacio's brilliant move of 10...d5! The game, from my point of view, is much easier for Black, than White to play. White really must be precise, and active to win.

C 6.Bd3 e5 (Jaffe)

 

C 6.Ndb5

D1  6...d5!? 7.Bf4 0-0 8.Nc7 Ne4     Inf 34/226n  

D2  6...0-0    Roos-Plachetta 82, 1/2

visit Ignacio's site:
http://cmgm.stanford.edu/~marin/chess.html He gives some great insight to
this complicated line. Besides, NIC did a recent article that improved upon:
Szabo-Mikenas 1939 I dont have it at my present location, college, but
perhaps someone could post the article...

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