Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. c4/3...Nb6/4. c5/4...Nd5

= Alekhine's Defence: Lasker Attack =

Theory table
.

'1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5'