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EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Kd2 win in 9 half-moves
3 Ka2 draw
4 Ka4 draw
5 Kab2 draw
6 Kb1 draw
7 Kc1 draw
8 Kcb2 draw
9 Kd1 draw
10 Ra8 draw
11 Rb2 draw
12 Rb3 draw
13 Rb7 draw
14 Rg8 draw
15 Kab3 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kcb3 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves