game between young players, and are unobserved.

18. K. B's Pawn to B's 4th. 18. Q. Kt's Pawn to Kt's 3d.

Again you have failed to see a most important move; you might have taken
the K. Rook's Pawn with your Queen, giving check safely, because Black
could not take your Queen without being in check with your Bishop. All
this time, too, your opponent omits to see the jeopardy his Queen is in,
and that as far as practical assistance to his other Pieces is
concerned, she might as well be off the board.

19. K. Kt's Pawn to Kt's 4th. 19. Q. Kt's Pawn to Q. Kt's 4th.

Your last move is far from good. By thus attacking your Knight, Black
threatens to win a Piece, because upon playing away the Knight you must
leave the Bishop unprotected.

20. Pawn to K. Kt's 5th. 20. Pawn takes Knight.

Although your Knight was thus attacked, it might have been saved very
easily. In the first place, by your taking the adversary's Q. B's Pawn,
threatening to take his K's Rook, on his removing which, or interposing
the Q's Pawn, you could have taken the Pawn which attacked your Knight;
or, in the second place, by moving your Queen to her 2d square. In the
latter case, if Black ventured to take the Knight, you would have won
his Queen by taking the K. Kt's Pawn with your Bishop, giving check, and
thus exposing his Queen to yours. Black would have been obliged to parry
the check, either by taking the Bishop or removing his King, and you
would then have taken his Queen. This position is very instructive, and
merits attentive examination.