半開放性開局(Semi-Open Game)是國際象棋中一種開局,又名「半封閉性開局」、「單王前兵開局」,即白方走出 1.e4(王兵開局)後,黑方不走 1. ... e5 的開局。
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- 1.e4 a5 玉米秸稈防禦
- 1.e4 a6 聖佐治防禦
- 1.e4 Na6 旅鼠防禦
- 1.e4 b5
- 1.e4 b6 歐文防禦
- 1.e4 c5 西西里防禦
- 1.e4 c6 卡羅-卡恩防禦
- 1.e4 Nc6 尼姆佐維奇防禦
- 1.e4 d5 斯堪的納維亞防禦
- 1.e4 d6 2.d4 f5 貝洛防禦
- 1.e4 d6 2.d4 Nf6 3.Nc3 c6 捷克防禦
- 1.e4 d6 2.d4 Nf6 3.Nc3 g6 彼爾茨防禦
- 1.e4 e6 法蘭西防禦
- 1.e4 f5 弗雷德防禦
- 1.e4 f6 巴恩斯防禦
- 1.e4 Nf6 阿廖欣防禦
- 1.e4 g5 博格防禦
- 1.e4 g6 現代防禦
- 1.e4 h5 金匠防禦
- 1.e4 h6 卡爾防禦
- 1.e4 Nh6 亞當防禦
- De Firmian, Nick, Modern Chess Openings: MCO-14, Random House Puzzles & Games, 1999, ISBN 0-8129-3084-3
- Hooper, David; Whyld, Kenneth, The Oxford Companion to Chess second, Oxford University Press, 1992, ISBN 0-19-280049-3