Unlock the Power of the Old Benoni

1.d4 c5 2.d5 e5 3.e4 d6

After 1.d4 c5 2.d5 e5 3.e4 d6 we have the Old Benoni on the board. Andrew Martin will discuss the different options and ideas in this position and recommends to use this as a surprise weapon against unprepared opponents!