西洋棋謎題(棋子放回) - 西洋棋
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By Hedy
at 2009-04-17T13:04
at 2009-04-17T13:04
Table of Contents
回憶起來,這題可能是我這輩子第一個做出來的逆向分析領域題目,
當然當時我還沒聽過逆向分析這個詞。題目不龐大,但是很有啟發性。
這是 Raymond Smullyan(1957)的題目:
8 黑白
7 pP = 小兵
6 rR = 城堡
5 r b nN = 騎士
4 B bB = 主教
3 qQ = 皇后
2 kK = 國王
1 k
abcdefgh
題目:白王從棋盤上被人拿走了,請把它放回它正確的位置上。
難度:★★★★★(對於沒有做過這類問題的人來說)
★(對於逆向分析上手者)
正確答案唯一。
--
當然當時我還沒聽過逆向分析這個詞。題目不龐大,但是很有啟發性。
這是 Raymond Smullyan(1957)的題目:
8 黑白
7 pP = 小兵
6 rR = 城堡
5 r b nN = 騎士
4 B bB = 主教
3 qQ = 皇后
2 kK = 國王
1 k
abcdefgh
題目:白王從棋盤上被人拿走了,請把它放回它正確的位置上。
難度:★★★★★(對於沒有做過這類問題的人來說)
★(對於逆向分析上手者)
正確答案唯一。
--
Tags:
西洋棋
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