Sacrificing a pawn to seize the a3-f8 diagonal with the bishop.

1.Ra1? Ba4!

Black has managed to cover the f7-pawn, but White finds a way to step up the pressure.

With ideas like Bh5, Qb1-b4 and Bxe6 followed by Qg4.

Black resigned.

Preparing the strong manoeuvre ...Bf8-c5-d4.

After 3.Qe3 Be7 4.Rhd1 Qf8! , and ...Bc5-d4, Black also accomplishes his plan.

Thanks to his tremendous bishop Black is clearly better. Romanovsky later opened a new front by ...f7-f6.

Preparing b4-b5 to soften up the long diagonal for the bishop on g2.