Section B1 Min Win
1.Rg7+ Kh8 2.Bb2 ! Nxb2
( 2…Qd8+ 3.R7g5+ Kh7 4.Rh1 Qa8 5.Rh5+ Kg6 6.Rg1+ Kf7 7.Rg7+ Ke6 8.
Rg6+ Kf7 9.Rf6+ Ke7 10.Rh7+ +- )
3.R7g5 ! Qd8
( 3…Qc4+ 4.R1g4 +- )
4.Rh1 Qa8 5.Rh3 Qc8 6.Rg4 !
( 6.Kg3+ ? Qxh3+ 7.Kxh3 Nc4 {/Kh7=} )
6…Qb8
( 6…Qc7 7.Kg5+ Kg7 8.Kf5+ Kf8 9.Rh8+ Ke7 10.Rg7+ {/Rh7+} 10…Kd6
11.Rh6+ Kd5 12.Rxc7 )
( 6…Qxg4+ 7.Kxg4+ Kg7 8.Kf5 ! Nc4 9.Ke6 ! +- )
7.Kg5+ Kg7 8.Kf5+ Kf7 9.Rh7+ Kf8 10.Rh8+ +- 1-0