1d4Nf62Bf4...White goes for the dreaded London-system!2...c5Immediately striking at White's center.3e3...3.d5Qb6!3...d64.e4e5This is Agadmator's suggestion, but I think 3...Qb6 is a little more spicy!4.Nc3!The only critical move for White. Sacrificing the b2-pawn for development.4.b3?This loses a pawn by force!Qb4+5.Bd2Qd46.Nc3Nxd5∓Qxb25.Bd2White's now threatens some nastiness with Rb1 and Nb5.Qb6!An important move to remember! Avoiding any problems with Rb1.6.e4d67.f4∞lichessCarlsen, Magnus - Short, Nigel D, 0-1, Reykjavik Blitz, 2004, lichess.org/vypkrTBpidontcareman88With a complicated Benoni-like middle game to follow! White has an initiative and more space, but Black is still up a pawn!3.dxc5Black can regain this pawn immediately after...Qa5+4.Qd2Qxc5And Black can develop similar to a Sicilian Dragon with a comfortable middlegame to follow.3...Qb6!Attacking b6 and putting additional pressure on the d4-pawn.4Nc3!...White sacs the b-pawn for piece activity.4.b3?White weakens the diagonal and queenside dark-squares, Black can immediately exploit this with...g6!4...a6Preventing any Nb5 nonsense.4...Qxb2!?Playable, but White gets a big initiative in return!5.Nb5Nd56.a3a67.Rb1Qa28.Qc1axb59.Ra1∞And Black is forced to part ways with his queen! Black does get compensation, but this is really murky stuff!5a3cxd4Black clarifies the pawn structure.5...Qxb2??6.Na4The b2-pawn is usually poisoned. Black's queen is simply trapped!6exd4d57Nf3Bg48Be2Nc69Na4Qa7!It's important to keep the queen on this diagonal! putting pressure on d4 and controlling c5.10Nc5e611Nb3Be712O-OO-O13c3=...If you want to get a full breakdown of this line, check out the link below! www.youtube.com/watch?v=9homA3nEvto
Anti-London System Lines: Agadmator's Anti-London105