A NEW BISHOP'S PUZZLE.—solution
Play as follows, using the notation indicated by the numbered squares in Diagram A:—
White. | Black. |
1. 18—15 | 1. 3—6 |
2. 17—8 | 2. 4—13 |
3. 19—14 | 3. 2—7 |
4. 15—5 | 4. 6—16 |
5. 8—3 | 5. 13-18 |
6. 14—9 | 6. 7—12 |
7. 5—10 | 7. 16-11 |
8. 9—19 | 8. 12—2 |
9. 10—4 | 9. 11-17 |
10. 20—10 | 10. 1—11 |
11. 3—9 | 11. 18—12 |
12. 10—13 | 12. 11—8 |
13. 19—16 | 13. 2—5 |
14. 16—1 | 14. 5—20 |
15. 9—6 | 15. 12—15 |
16. 13-7 | 16. 8—14 |
17. 6—3 | 17. 15-18 |
18. 7—2 | 18. 14—19 |
Diagram B shows the position after the ninth move. Bishops at 1 and 20 have not yet moved, but 2 and 19 have sallied forth and returned. In the end, 1 and 19, 2 and 20, 3 and 17, and 4 and 18 will have exchanged places. Note the position after the thirteenth move.
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