a) 1. Qg8 Qe4+ 2. Kh8 Qe5+ 3. Kh7 e6 4. Rb7+ Kc2 5. Qg6+ Kd2 6. Rd7+ Kc1 7. Qg1+ Kb2 8. Rb7+ Rb3 9. Rxb3+ Kxb3 10. Qd1+ Kb2 11. Qd2+ Kb3 12. Qd1+ Kb2 13. Qd2+ Kb3 14. Qd1+ draw

b)  FEN: 7R/1r2pR1K/7P/8/8/rkP4p/8/8

1.  Rf3 h2 2. Rh3 Ra6 3. c4+ Kb4 4. Rg8 e5+ 5. Rg7 Rbb6 6. Rxh2 Re6 7. Rh5 e4 8. Rb7+ Kc3 9. Kg7 Rg6+ 10. Kh7 e3 11. Rh3 Kxc4 12. Re7 Rge6 13. Rxe3 Rxh6+ 14. Kg7 Rhg6+ 15. Kf8 Rh6 16. Re8 Raf6+ 17. Kg7 Rhg6+ 18. Kh8 Rh6+ 19. Kg7 Rhg6+ 20. Kh8 Rh6+ 21. Kg7 Rhg6+ 22. Kh8 draw