Trends in the Benko 2012(TWIC 944)

Here is a recent game by Danish GM PH Nielsen. GM Schandorff recommends the 5.f3 line to fight the Benko but I don't agree with this choice. Now this game shows a nice way(12.a4) to play against the tricky gambit.

GM Nielsen,PH

Photo chessdom Interview-Peter-Heine-Nielsen

Bio

Nielsen became an International Grandmaster in 1994. He won the Danish Chess Championship five times: in 1996, 1999, 2001, 2003, and 2008.

He played for Denmark in seven Chess Olympiads, three times on top board.- Wikipedia Peter_Heine_Nielsen

Nielsen,PH (2662) - Zaragatski,I (2460)
Fianchetto 12.a4[A58]
Bundesliga 2012–13 Baden Baden GER (6), 09.12.2012(TWIC 944)

Position 1
Things are going well for white. The e5 pawn shuts out Bh8 and white stands fully mobilized. What is the next step?

• 21.e6 pushing forwards for the attack
• 21.ed opening the e-file up for infiltration
• Something else

White to Play

21...Rd8