Better known as Cozio's mate. Note that black's friendly pieces can be anything other than an unpinned knight to satisfy this particular checkmate pattern.

    ABCDEFGH    
8                                   ¤ 8
7                                    ¤ 7
6                                    ¤ 6
5                                    ¤ 5
4                          ¤ ¤ 4
3                          ¤ 3
2 ¤ ¤ ¤ ¤ ¤ ¤ ¤ 2
1                                    1
    ABCDEFGH    

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