Section A1- Win
1.Qd4 Rd1 2.Qxg7
( 2.Qe5 ? 2…Re1 ! White has lost a fundamental tempo. 3.Qxg7 Kb1
4.Qxb2+ Kxb2 5.Rh2+ Kb1 ! 6.Rxa2 Rb3+ ! 7.Kc7 Kxa2 ! 8.g7 Re7+
! 9.Kd6 Rxg7 ! 10.c7 Rd3+ ! 11.Kc6 Rxg5 ! 12.c8=Q Rxc5+ ! 13.
Kxc5 Rc3+ ! 14.Kd4 Rxc8 ! Draw )
2…Kb1
( 2…Rb3+ 3.Kc7 ! 3…Kb1 4.Qf7 !
( 4.Qg8 ? 4…Re3 !! 5.Qxa2+ Kxa2 ! 6.g7 Re7+ ! 7.Nd7 Rxg7
! 8.Rxg7 b1=Q ! Draw )
4…Rbd3 5.Qxa2+ ! 5…Kxa2 6.g7 ! 6…b1=Q 7.g8=Q+ ! +- )
3.Qxb2+ Kxb2 4.Rh2+ Kc3 5.Rxa2 Rb1+ 6.Kc7 Rxa2 7.Ne6 !!
( 7.g7 ? 7…Ra7+ ! 8.Kd6 Rd1+ !
( 8…Rxg7 ? 9.c7 ! 9…Rd1+ 10.Kc6 ! 10…Rg8 11.c8=Q ! +-)
9.Ke5 Rxg7 ! Draw )
7…Rd1
( 7…Re1 8.g7 ! 8…Ra8
( 8…Ra7+ 9.Kb8 ! -+ )
9.Kd7 ! 9…Rd1+ 10.Ke7 ! +- )
8.g7 !
8…Ra8 9.Kb7 !
9…Rg8 10.c7 !
10…Rb1+ 11.Kc6! +-