Earthen Cannon Chess · 土炮空手棋
Cannons fire across a gap; bare hands answer by swarming them, or by holding all three platforms. Both sides have several ways to win.
炮隔着一个空位开火，空手方只能贴身合围——或者干脆抢占三座炮台。双方各有好几条赢路。
土炮隔位偷袭，空手合围反杀
Cannons snipe from a distance; soldiers fight back by surrounding
玩法要点
- 棋子：土炮方 3 枚，空手方 15 枚
- 棋盘：5×6 方格网，双方可选先手一方持有哪一种棋子
- 获胜：多种途径，双方各有 2-3 种取胜方式
Quick start
- Cannons move first; both sides step along a line; cannons capture beyond exactly one empty point on a horizontal or vertical line, while bare hands remove cannons by surrounding them.
- Bare hands win by removing all cannons, occupying all three platforms, or safely reaching platforms with their last one or two pieces.
- Cannons win by capturing all bare hands or a bare hand on a platform; being unable to move without another result is a draw.
快速上手
- 土炮先走，双方沿线走一格；土炮可沿横竖线跨过恰好一个空位吃其后的空手，空手靠围死拿掉土炮。
- 空手吃光土炮、三子占满炮台，或仅剩一二子时安全进入炮台，即可获胜。
- 土炮吃光空手或吃掉炮台上的空手获胜；未触发这些胜负而无路可走时算和。
Rules
Board and Setup
The board is 5 by 6. Most lines are horizontal or vertical; two diagonal lines sit at the top.
3 cannons start in the middle of the top row. 15 soldiers fill the bottom three rows.
The middle two rows are empty. Before a round, choose cannons or soldiers.
Movement
On your turn, move one of your pieces one step along a drawn line — horizontal, vertical, or one of the two extra diagonals at the top row's sides — to an adjacent empty point.
The cannon side always moves first each round.
Cannon Captures
Only cannons capture. Soldiers never capture a cannon directly.
Look along a row or column. Ignore pieces in between.
When there is exactly one empty gap, the cannon can choose to jump it and capture the soldier right after it; the cannon can also choose not to capture it, and instead make an ordinary move.
No empty gap, or two empty gaps in a row? You cannot capture.
Surrounding a Cannon
Soldiers cannot capture a cannon directly.
Block every neighboring spot so a cannon cannot move. That cannon is removed.
Winning
One way for the soldier side to win: capture all 3 cannons.
Another way: have 3 soldiers occupy all 3 of the cannons' starting points at once.
A third way: with only 1 or 2 soldiers left, move every remaining piece onto the cannons' starting points without being captured right away.
The cannon side wins by capturing every soldier, or by capturing a soldier that's occupying one of the cannons' own starting points.
If it's a side's turn and it has no legal move at all, and none of the conditions above have been met yet, the round ends in a draw.
Timer
Each turn lasts 60 seconds. When time runs out, the turn passes to the other side automatically.
You can change the difficulty anytime in Game Settings.
规则详解
棋盘与开局
棋盘是 5 列 6 行。大多数线横着或竖着，最上面还有两条斜线。
3 枚土炮在最上面一行的中间。15 枚空手坐满最下面三行。
中间两行是空的。开局前，选自己要操作土炮还是空手。
行棋规则
轮到你时，把自己的一枚棋子沿棋盘上画出的一条线（横、竖，或者第一行两侧那两条额外的斜线）移动一步，走到相邻的空位上。
每局固定由土炮方先走第一步。
土炮吃子
只有土炮能吃子，空手不能吃土炮。
沿横线或竖线看。中间的棋不用管。
先遇到正好一个空位时，土炮这时可以选择跳过空位、吃掉空位另一边紧挨着的空手；也可以选择不吃这枚空手，而选择走别的一步。
没有空位，或连续两个空位，都不能吃。
空手围困土炮
空手不能直接吃土炮。
把一枚土炮四周全堵住、让它走不了，这枚土炮就会被拿掉。
胜负条件
空手方获胜的办法之一：把 3 枚土炮全部吃光。
空手方获胜的办法之二：用 3 枚空手同时占住土炮出发的那 3 个位置。
空手方获胜的办法之三：空手只剩 1、2 枚棋子时，把剩下的全部走到土炮出发的位置上，而且没有立刻被土炮吃掉。
土炮方获胜：把全部空手吃光，或者吃掉一枚正占据在土炮自己出发位置上的空手。
如果轮到的一方一步都走不了，而上面这些条件都还没达成，这一局就算和棋。
计时
每步限时 60 秒，时间到了会自动换对方走。
可以在"对局设置"里换一个难度，随时都能换。