4-1.1589.pdf

# When the general is in danger of being captured by

• Test Prep
• 4

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When the general is in danger of being captured by the enemy player on the enemy player’s next move, the enemy player is said to have “delivered a check” . If the general’s player can make no move to prevent the general’s capture by next enemy move, the situation is called “checkmate” . We only use 4 kinds of pieces introducing as follows: General: the generals can move and capture one point either vertically or horizontally and cannot leave the “ palace ” unless the situation called “ flying general ” (see the figure above). “Flying general” means that one general can “fly” across the board to capture the enemy general if they stand on the same line without intervening pieces. Chariot: the chariots can move and capture vertically and horizontally by any distance, but may not jump over intervening pieces Cannon: the cannons move like the chariots, horizontally and vertically, but capture by jumping exactly one piece (whether it is friendly or enemy) over to its target.

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Horse: the horses have 8 kinds of jumps to move and capture shown in the left figure. However, if there is any pieces lying on a point away from the horse horizontally or vertically it cannot move or capture in that direction (see the figure below), which is called “ hobbling the horse’s leg ”.
• Fall '09
• TAOLI
• Algorithms, Xiangqi, enemy player

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