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EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Kd1 draw
6 Kd2 draw
7 Rb3 draw
8 Rg1 draw
9 Rg4 draw
10 Rg8 draw
11 Rgg3 draw
12 Rgh2 draw
13 Rh1 draw
14 Rh4 draw
15 Rh8 draw
16 Rhg3 draw
17 Rhh2 draw
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rd2 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rf3 loss in 2 half-moves
28 Rg5 loss in 2 half-moves
29 Rg6 loss in 2 half-moves
30 Rg7 loss in 2 half-moves
31 Rh5 loss in 2 half-moves
32 Rh6 loss in 2 half-moves
33 Rh7 loss in 2 half-moves