Surprising K-side pawn assaults in Lasker's Defence are still on stage and still pose problems for Black, after 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. Rc1 c6 White played 10. g4!? in Mamedyarov – Fridman:
Great to try in your next ChessAnyTime blitz game!
Objectively Black should be fine but in practice White is often able to obtain a real advantage. Here Black's reaction was probably not best, but he eventually escaped thanks to stubborn defence and his opponent's slight inaccuracies.
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