With a clear grip on the dark squares, while Black's remaining bishop is horribly passive.

Provoking a weakness in the enemy kingside to facilitate the attack.

The only defence to the threat of 5...Rxh3+, since 5.Bf1? Rxh3+ 6.gxh3 Bxf3+ -+

A decisive blow.

. Clearing the e-file. There followed

White resigned

Provoking ...f7-f6 to soften up the light squares in Black's camp.

After 3...Rd8 4.Qd3 Nc6 5.Bh3! f5 6.Rd1 Rxd6 7.Qxd6 Qe8 8.Qc7 Black is in serious trouble – Baburin/Tisdall.

Swapping Black's main defender of the light squares.