Endgame Puzzle - Series 291

                                    

( R + K +  vs R + 2P + K )

Black to move

GM_Knockout said ;

1. ...d1=Q+!!
2. Rxd1 Ng3!
3. Kf2 Rh2+
4. Ke1 Re2#

OR

1. ...d1=Q+!
2. Rxd1 Ng3!
3. Kf2 Rh2+
4. Kg1 Rg2#

OR

1. ...d1=Q+!!
2. Kf2 Rh2#

OR

1. ...d1=Q+!!
2. Rxd1 Ng3!
3. Rd4+ Ke3
4. Rd3+ Kxd3
5. Kf2 Ne4+
6. Kg1 f2+!!
7. Kf1 Rh1+
8. Kg2 f1=Q#

OR

1. ...d1=Q+!!
2. Rxd1 Ng3!
3. Rd4+ Ke3
4. Rd3+ Kxd3
5. Kf2 Ne4+
6. Kg1 f2+!!
7. Kg2 Rg3+
8. Kh2 f1=N+!
9. Kh1 Nef2#

- Black won 0-1