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EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 K4a5 draw
3 K4b5 draw
4 K6a5 draw
5 K6b5 draw
6 Ka3 draw
7 Ka4 draw
8 Ka6 draw
9 Ka7 draw
10 Kb7 draw
11 Kc7 draw
12 Rb8 draw
13 Rg2 draw
14 Rg6 draw
15 Rg7 draw
16 Rh8 draw
17 K4c5 loss in 2 half-moves
18 K6c5 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kc6 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rg3 loss in 2 half-moves
29 Rg4 loss in 2 half-moves
30 Rg5 loss in 2 half-moves