Chess Puzzle - Series 3497

                               White to move. How should white proceed ?

Endgame Tactics By gmknockout

(  Q + 2R + N  + 7P + K vs Q + 2R + 2B+ N + 6P + K )

 

GM_Knockout said ;

1. R1d5+!!  Ka4
2. b3#

OR

1. R1d5+!!  Kxe4
2. Rdc5+! Kxc5
3. Qd5#

OR

1. R1d5+!!  Kxe4
2. Rdc5+! Bbxe5
3. Qb3+ Kd3
4. Qd1+ Kc4
5. Qe2#

OR

1. R1d5+!!  Kxe4
2. Rdc5+! Bbxe5
3. Qb3+ Kd3]
4. Qd1+ Kxe4
5. Qf3#

- White won 1-0