KING AND TWO BISHOPS AGAINST KING.
Diagram 4.
| WHITE. | BLACK. |
| 1. K. B. to K. R's 3d. | 1. K. to Q's sq. |
| 2. Q. B. to K. B's 4th. | 2. K. to K's 2d. |
| 3. K. to his 2d. | 3. K. to K. B's 3d. |
| 4. K. to K. B's 3d. | 4. K. to K's 2d. |
| 5. K. B. to K. B's 5th. | 5. K. to K. B's 3d. |
| 6. K. to his Kt's 4th. | 6. K. to his 2d. |
| 7. K. to his Kt's 5th. | 7. K. to Q's sq. |
| 8. K. to his B's 6th. | 8. K. to K's sq. |
| 9. Q. B. to Q. B's 7th. | 9. K. to B's sq. |
| 10. K. B. to Q's 7th. | 10. K. to Kt's sq. |
| 11. K. to his Kt's 6th. | 11. K. to B's sq. |
| 12. Q. B. to Q's 6th. (ch.) | 12. K. to Kt's sq. |
| 13. K. B. to K's 6th. (ch.) | 13. K. to R's sq. |
| 14. Q. B. checkmates. |
KING, BISHOP, AND KNIGHT, AGAINST KING.
Diagram 5.
| WHITE. | BLACK. |
| 1. Kt. to K. B's 7th. (ch.) | 1. K. to Kt's sq. |
| 2. B. to K's 4th. | 2. K. to B's sq. |
| 3. B. to K. R's 7th. | 3. K. to his sq. |
| 4. Kt. to K's 5th. | 4. K. to his B's sq. |
| 5. Kt. to Q's 7th. (ch.) | 5. K. to his sq. |
| 6. K. to his 6th. | 6. K. to Q's sq. |
| 7. K. to Q's 6th. | 7. K. to his sq. (best) |
| 8. B. to K. Kt's 6th. (ch.) | 8. K. to Q's sq. |
| 9. Kt. to Q. B's 5th. | 9. K. to Q. B's sq. |
| 10. K. B. to his 7th. | 10. K. to Q's sq. |
| 11. Kt. to Q. Kt's 7th. (ch.) | 11. K. to Q. B's sq. |
| 12. K. to Q. B's 6th. | 12. K. to Q. Kt's sq. |
| 13. K. to Q. Kt's 6th. | 13. K. to Q. B's sq. |
| 14. B. to K's 6th. (ch.) | 14. K. to Q. Kt's sq. |
| 15. Kt. to Q. B's 5th. | 15. K. to Q. R's sq. |
| 16. B. to Q's 7th. | 16. K. to Q. Kt's sq. |
| 17. Kt. to Q. R's 6th. (ch.) | 17. K. to Q. R's sq. |
| 18. B. to Q. B's 6th. (checkmate.) |
No. 1.
BLACK.
WHITE.
No. 2.