四兵進攻是西洋棋開局王翼印度防禦的一種,走法為:
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4
- Djuric, Stefan; Komarov, Dmitry; Pantaleoni, Claudio. Chess Opening Essentials, Vol. 3: Indian Defences. New In Chess. 2009. ISBN 978-90-5691-270-3.
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