What are the ECO codes for the following Boungcloud-type openings?
1. e4 e5 2. Ke2
1. d4 d5 2. Kd2
1. f4 f5 2. Kf2
Z666
X666
Y666
They all have the same number, because is the number of the beast.
What are the ECO codes for the following Boungcloud-type openings?
1. e4 e5 2. Ke2
1. d4 d5 2. Kd2
1. f4 f5 2. Kf2