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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 K4b4 draw
3 K4b5 draw
4 K5b4 draw
5 K5b5 draw
6 Kb6 draw
7 Kc6 draw
8 Ra8 draw
9 Rc8 draw
10 Rh1 draw
11 Rh2 draw
12 Rh6 draw
13 Rh7 draw
14 K4d4 loss in 2 half-moves
15 K4d5 loss in 2 half-moves
16 K5d4 loss in 2 half-moves
17 K5d5 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves
28 Rh5 loss in 2 half-moves