Events and games
Shogi piece moves (when promoted, four pieces move the same way)
Promotion in shogi collapses four different pieces into one: a promoted silver, knight, lance or pawn all move exactly as a gold general does, however differently they moved before. Only the king and the gold cannot promote, and only the rook and bishop gain rather than converge — each keeps its own reach and picks up one extra step. The knight alone may jump.
This drawing comes from one YAML file. No shape was moved by hand.
Notes in the source (in Japanese)
成った瞬間に、4 種類の駒が 1 つの動きへまとまる。成銀・成桂・成香・と金 —— どれも金将と同じ動き。元は前 2 横 1 で飛び越える桂馬も、前へ何マスでも進む香車も、成れば同じになる。
玉将と金将。ほかは全部成れる。
竜王（飛車が成る）は、飛車の動きに斜め 1 マスが足される。竜馬（角行が成る）は、角行の動きに縦横 1 マスが足される。まとまるのではなく、増える —— この 2 つだけが例外。
飛車・角行・香車は何マスでも進めるが、間に駒があるとそこで止まる。桂馬だけが飛び越えられる（前 2 マス・横 1 マスの位置へ）。
1 人ぶんで計 20 枚 —— 玉将 1・飛車 1・角行 1・金将 2・銀将 2・桂馬 2・香車 2・歩兵 9。
局面図は見本 67、チェスは見本 68、囲碁の棋譜は見本 66。
Source (YAML)
examples/gallery/340-将棋の駒の利き.zumen.yaml
More in this field
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