Puzzle 11

ChessMN16
ChessMN16
Dec 29, 2013, 9:53 PM |
0
By the way, the line in the above puzzle is forced, so I see no way to improve...Black should be comfortable. 
 
Also, after the 6th move, Ba3, can you find a fourth move that seems promising for White (but probably leads to the same story as the move in the third puzzle)?: