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EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Ra5 draw
3 Rb2 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Rd5 draw
8 Re5 draw
9 Rf5 draw
10 K1g1 loss in 2 half-moves
11 K1g2 loss in 2 half-moves
12 K2g1 loss in 2 half-moves
13 K2g2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves