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1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nc6 5.Be3 a6
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1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nc6 5.Be3 a6 6.Nf3
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1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nc6 5.Be3 a6 6.Nf3 Nh6
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1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nc6 5.Be3 a6 6.Nf3 Nh6 7.h3
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O-O
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1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nc6 5.Be3 a6 6.Nf3 Nh6 7.h3 O-O
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1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nc6 5.Be3 a6 6.Nf3 Nh6 7.h3 f5
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invalid move 0-0: square does not exist: -0
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If you're doing queenside, maybe try O-O-O
invalid move o-o: square does not exist: -o