Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3/3...Bg7/4. e4/4...O-O

= King's Indian Defense, Fischer Transposition = This is true hypermodernism. Usually the game transposes after moves like 5.Nf3 d6, but sometimes White plays 5.e5 Ne8 6.f4 d6, when 7.Nf3 c5! 8.dxc5 Nc6! leads to a sharp but equal game.

Theory table
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1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O