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Fianchetto Variation 5...c5 [E60]
In Movsesian - Vachier Lagrave we look at a line that may not be so theoretically important, but it highlights a trend for Black in the g3 lines, 5....c5:
This line has become more common in the g3 King's Indian as there are various little tricks that Black can employ to avoid main lines. In reply 6.dxc5 is rare and does not look too dangerous.
Fianchetto Variation 4.Nc3 Bf5!? [E62]
The line 4.Nc3 Bf5!? turns up rather frequently:
I have not looked at it before, but Lenic - Caruana caught my attention in its simplicity, so I thought it was time! White played the solid 5.g3 and got an easy to play position.
Fianchetto Variation Classical Mainline 9...Qa5 [E69]
In Nyback - Pancevski we look at some updates in the interesting 10.h3 exd4 11.Nxd4 Ne5 12.Bf1 Re8 13.Be3 c5!? variation:
In one of the main branches of the classical system with ...Qa5.
Romanian Variation [E71]
In Movsesian - Ding Liren we take a look at an old line, 5.h3 0-0 6.Bg5 c5 7.d5 e6 8.Bd3 exd5 9.exd5!? Nbd7 10.Nf3 Re8+ 11.Kf1:
This idea stems from Mihai Suba, who played it a lot. White has to move his king, but he has more space. Ding Liren seems well prepared even in such an offbeat system (or he found something very good over the board), as 11...Ne5! looks clearly best to me, especially when we see how Black handles the position in this game.
Sämisch Gambit 6...c5 7.dxc5 [E81]
Jones - Morozevich is a good example of the problems Black has to face in the Samisch Gambit, even at an elite level, 6.Be3 c5 7.dxc5 dxc5 8.Qxd8 Rxd8 9.Bxc5 Nc6 10.Nge2 Nd7 11.Be3 Nde5 12.Nf4:
We have seen Jones on both sides of this position. I wonder what Moro's preparation consisted of because White seems to win rather easily.
Classical - Makagonov 6...c5 [E90]
Black continues to venture 9.Bd3 Re8+ 10.Be3 Bh6 11.0-0 Bxe3 12.fxe3 Nbd7 which could be classified has high risk/ high reward, but perhaps the risk is too great. L'Ami - Rasmussen is another example of Black failing to withstand White's various tactical ideas.
Petrosian Variation [E92]
Not so surprisingly, Ivanchuk - Mamedov is kind of a strange game, but it is another example of the Petrosian leading to rich play. After 7.d5 a5 8.Bg5 h6 9.Bh4 Na6 10.Nd2 Bd7 11.0-0 the natural move 11...Nc5 is unusual, but there is a devious idea in mind (even if it's not so good). Ivanchuk played 12.f3 but the main line is the direct 12.b3:
Now Black can try 12...Nfxe4!? which I cover in the notes. This is interesting of course but probably insufficient.
9.Ne1 Mainline [E99]
In Damljanovic - Berg I look at a critical line that has not received much attention before on our site, 7.0-0 Nc6 8.d5 Ne7 9.a4 a5 10.Ne1 Nd7 11.Be3 f5 12.f3 f4 13.Bf2 g5 14.Nd3 b6 15.b4 axb4 and now 16.Nxb4 is definitely the best move, in my opinion.
Until next month, David
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