January 2019
Problem of the Month

Chess Puzzler (8 queens)
by Martin Gardner

Place 5 white queens and 3 black queens on a 5 x 5 chessboard so that no queen attacks a queen of another color.   In other words, no opposite color queens are in the same row, column, or diagonal.





Click here for the basic chess moves

Solution to the Problem:

These are all rotations or reflections of the original answer.

Correctly solved by:

1. James Alarie	Flint, Michigan
2. Rob Miles	Northbrook, Illinois
3. Brooks Garris	South Robeson High School Rowland, North Carolina
4. Haylee Curry	Delta High School, Delta, Colorado
5. Ivy Joseph	Pune, Maharashtra, India
6. Trevor Whiteside	Delta High School, Delta, Colorado
7. Eli Farmer	Delta High School, Delta, Colorado
8. John Ames	Delta High School, Delta, Colorado
9. Landon Watts	Delta High School, Delta, Colorado
10. Isaac Aleman	Delta High School, Delta, Colorado
11. Alexis Barajas	Delta High School, Delta, Colorado
12. Daniel Harris	Mountain View High School, Mountain View, Wyoming
13. Kaley St. Peter	Delta High School, Delta, Colorado
13. Joe Bules	Delta High School, Delta, Colorado

Send any comments or questions to: David Pleacher