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EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rd8 draw
5 Rh1 draw
6 Rh3 draw
7 Rh4 draw
8 Rh5 draw
9 K4c5 loss in 2 half-moves
10 K4d5 loss in 2 half-moves
11 K4e5 loss in 2 half-moves
12 K6c5 loss in 2 half-moves
13 K6d5 loss in 2 half-moves
14 K6e5 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Ke6 loss in 2 half-moves
24 Ke7 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh2 loss in 2 half-moves
29 Rh6 loss in 2 half-moves
30 Rh7 loss in 2 half-moves