CH 10-3 2...e6
1.f3 d5 2.c4 e6 3.g3 f6 4.g2 dxc4 5.a3
With this move White offers a gambit, as Black in the resulting complications is able to hold onto the sacrificed pawn.
5.a4+ Suttles vs Keres5...xa3
Kapengut vs Timoshchenko
Ivkov vs TataiVukic vs MednisMagerramov vs ZaichikMoiseyev vs Biliap**Stein vs Tarve6.bxa3 b5Smyslov vs HolmovVaisman vs PachmanStein vs KeresSchmidt vs RadulovSmyslov vs SaboridoPachman vs PolugayevskyAdamski vs Petrosian7.b1Doda vs Lombard7...a6 8.a4 b7 9.axb5 e4
Smyslov vs Sveshnikov
9 moves
CH 10-3 2...e6
1.
f3 d5 2.c4 e6 3.g3 
f6 4.
g2 dxc4 5.
a3
With this move White offers a gambit, as Black in the resulting complications is able to hold onto the sacrificed pawn.
5.
a4+ Suttles vs Keres
xa3
5...
Kapengut vs Timoshchenko
Ivkov vs Tatai
b1
b7 9.axb5 
e4
Vukic vs Mednis
Magerramov vs Zaichik
Moiseyev vs Biliap**
Stein vs Tarve
6.bxa3 b5
Smyslov vs Holmov
Vaisman vs Pachman
Stein vs Keres
Schmidt vs Radulov
Smyslov vs Saborido
Pachman vs Polugayevsky
Adamski vs Petrosian
7.
Doda vs Lombard
7...a6 8.a4
Smyslov vs Sveshnikov
9 moves