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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 K5b6 draw
4 K5c6 draw
5 K5d6 draw
6 K7b6 draw
7 K7c6 draw
8 K7d6 draw
9 Kb4 draw
10 Kb5 draw
11 Kb7 draw
12 Kb8 draw
13 Kc4 draw
14 Kc8 draw
15 Kd5 draw
16 Kd7 draw
17 Kd8 draw
18 Ra3 draw
19 Rg5 draw
20 Rg6 draw
21 Rg7 draw
22 Rh3 draw
23 Kd4 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rc3 loss in 2 half-moves
26 Rd3 loss in 2 half-moves
27 Re3 loss in 2 half-moves
28 Rf3 loss in 2 half-moves
29 Rg1 loss in 2 half-moves
30 Rg2 loss in 2 half-moves