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EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ra6 draw
3 Ra7 draw
4 Rb8 draw
5 Rbc7 draw
6 Rc2 draw
7 Rc8 draw
8 Rcc7 draw
9 Rd6 draw
10 Rh6 draw
11 Rb1 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rh7 loss in 2 half-moves