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EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 K5a5 draw
3 K5a6 draw
4 K6a5 draw
5 K6a6 draw
6 Ka4 draw
7 Ka7 draw
8 Kb4 draw
9 Kb7 draw
10 Kc7 draw
11 Rb8 draw
12 Rg2 draw
13 Rg6 draw
14 Rg7 draw
15 Rh8 draw
16 K5c5 loss in 2 half-moves
17 K5c6 loss in 2 half-moves
18 K6c5 loss in 2 half-moves
19 K6c6 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Rc8 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 Rg1 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves
28 Rg5 loss in 2 half-moves