半开放性开局(Semi-Open Game)是国际象棋中一种开局,又名“半封闭性开局”、“单王前兵开局”,即白方走出 1.e4(王兵开局)后,黑方不走 1. ... e5 的开局。
| a | b | c | d | e | f | g | h | | 8 | | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | | a | b | c | d | e | f | g | h | |
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| a | b | c | d | e | f | g | h | | 8 | | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | | a | b | c | d | e | f | g | h | |
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| a | b | c | d | e | f | g | h | | 8 | | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | | a | b | c | d | e | f | g | h | |
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| a | b | c | d | e | f | g | h | | 8 | | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | | a | b | c | d | e | f | g | h | |
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| a | b | c | d | e | f | g | h | | 8 | | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | | a | b | c | d | e | f | g | h | |
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| a | b | c | d | e | f | g | h | | 8 | | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | | a | b | c | d | e | f | g | h | |
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- 1.e4 a5 玉米秸秆防御
- 1.e4 a6 圣乔治防御
- 1.e4 Na6 旅鼠防御
- 1.e4 b5
- 1.e4 b6 欧文防御
- 1.e4 c5 西西里防御
- 1.e4 c6 卡罗-卡恩防御
- 1.e4 Nc6 尼姆佐维奇防御
- 1.e4 d5 斯堪的纳维亚防御
- 1.e4 d6 2.d4 f5 贝洛防御
- 1.e4 d6 2.d4 Nf6 3.Nc3 c6 捷克防御
- 1.e4 d6 2.d4 Nf6 3.Nc3 g6 彼尔茨防御
- 1.e4 e6 法兰西防御
- 1.e4 f5 弗雷德防御
- 1.e4 f6 巴恩斯防御
- 1.e4 Nf6 阿廖欣防御
- 1.e4 g5 博格防御
- 1.e4 g6 现代防御
- 1.e4 h5 金匠防御
- 1.e4 h6 卡尔防御
- 1.e4 Nh6 亚当防御
- 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