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EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Rc3 win in 3 half-moves
3 Kb7 draw
4 Kb8 draw
5 Kc3 draw
6 Kc6 draw
7 Kc8 draw
8 Ra3 draw
9 Rb1 draw
10 Rb7 draw
11 Rb8 draw
12 Kc2 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Kd8 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb6 loss in 2 half-moves