30.White to move

In the position above as you can see White can capture Black pawn on e6.The question is

a)Is it necessary for white to make the first move by 1.Qxe6+/Nxe6 or is there a better option for white to move?

Thanks again Kumara and Mr...... for solving problem 29 by 1.Neg5 fxg5 2.Rxd7 Bf6 white has an advantage by a pair of rook compare to one rook for Black (2.....Qxd7 is a disaster for black because the Queen will fall by 3.Nxe5 Qe8 4.Nf7+ Kg5 5.Nd6+

29.White to move

In the position above it looks like an equal position for both side .The question is

a)From your point of view is it possible for white to gain an advantage and lead to a win?

Thanks again kumara for solving problem 28 by 1.d6 exd6 2.kd3 Bxg3 3.a5 d5 4.a6 Bb8 5.a7 Bxa7 lead to a draw by stalemate