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 Attack! (2) (Posted on 2013-05-09)
```+----+----+----+----+----+----+----+----+
|    |    |    |    |    |    |    |    |
+----+----+----+----+----+----+----+----+
|    |    |    |    |    |    |    |    |
+----+----+----+----+----+----+----+----+
|    |    |    |    |    |    |    |    |
+----+----+----+----+----+----+----+----+
|    | WK |    |    |    |    |    |    |
+----+----+----+----+----+----+----+----+
|    |    |    |    |    |    |    |    |
+----+----+----+----+----+----+----+----+
|    |    |    |    |    |    |    |    |
+----+----+----+----+----+----+----+----+
|    |    |    |    |    |    |    |    |
+----+----+----+----+----+----+----+----+
|    |    |    |    |    |    |    |    |
+----+----+----+----+----+----+----+----+```
Place 2 queens, 2 white bishops and 2 black bishops on this chessboard so that every square is under attack.

One white king has already been placed (as shown in the above diagram.)

 No Solution Yet Submitted by K Sengupta Rating: 4.5000 (2 votes)

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 Another Solution Comment 7 of 7 |

Considering white King is on B4 the White Queen & Black Queen are on F8 & H1 resp. White Queen & King are on same diagonal. The White / Black Bishops pair are on E5,E6 and another pair is on D3 & G5.

I don't know how many possibilities exists. Maybe Charlie will have some program to work out all possibilities.

 Posted by Salil on 2013-05-14 06:54:06

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