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解释
棋盘有八条水平横线，从白方一侧起编号为 1 至 8。第一横线包括 a1、b1、c1、d1、e1、f1、g1 和 h1。名称中的字母标识竖直纵线，数字标识横线。
在中，第一横线摆放八枚非兵的白方棋子。它也是。对而言，它在棋盘另一端：黑兵按规则走到此线时，到达。
用法与背景
以白方在下方的常见画法，第一横线是棋盘下边缘。
常见混淆
从黑方一侧编号
改变视角不会重新编号。第一横线对双方相同，始终靠近白方初始一侧。
查看术语来源
- 1.FIDE Laws of Chess taking effect from 1 January 2023, FIDE
- 2.Chessboard - Chess Terms, Chess.com
- 3.Chess Pieces Names, Moves & Values, Chess.com