White threatened mate at K R 8.
| 8. Q - B 4 ch |
and the Rook is lost.
Note, in these examples, that the checks at long range along the diagonals have often been the key to all the winning manœuvres. Also that the Queen and
King are often kept on different lines. The student should carefully go over these positions and consider all the possibilities not given in the text.
He should once more go through everything already written before proceeding further with the book.
CHAPTER III
Planning a Win in Middle-Game Play