If Black moves 3. ... Kt to B 3, the previous moves being the same as in
the Three Knights' Game, it is called the _Four Knights' Game_. It is
convertible into a Ruy Lopez, if White plays 4. B to Kt 5; and into a
Double Ruy Lopez, if Black replies 4. ... B to Kt 5.
WHITE. BLACK.
1. P to K 4 1. P to K 4
2. Kt to Q B 3 2. Kt to K B 3
3. Kt to B 3 3. Kt to B 3
4. B to Kt 5 4. B to Kt 5
5. Castles 5. Castles
6. Kt to Q 5 6. Kt takes Kt
7. P takes Kt 7. P to K 5
8. P takes Kt 8. P takes Kt
9. Q takes P
If White had played 9. P takes Q P, Black's best reply would have been 9.
... P takes P, attacking the Rook; if 9. P takes Kt P, Black replies 9. ...
B takes Kt P, with a promising attack.
... 9. Q P takes P
10. B to K 2 10. B to Q 3
Even game.
{385}