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EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 Rb5 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rh8 draw
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kde5 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Kfe5 loss in 2 half-moves
24 Kg3 loss in 2 half-moves
25 Kg4 loss in 2 half-moves
26 Kg5 loss in 2 half-moves
27 Ra8 loss in 2 half-moves
28 Rb1 loss in 2 half-moves
29 Rb6 loss in 2 half-moves
30 Rb7 loss in 2 half-moves