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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Rg3 win in 3 half-moves
3 Kd1 draw
4 Ke1 draw
5 Kf1 draw
6 Ra8 draw
7 Rb8 draw
8 Rc8 draw
9 Rg1 draw
10 Rg4 draw
11 Rg5 draw
12 Rh8 draw
13 Ka2 loss in 2 half-moves
14 Ka3 loss in 2 half-moves
15 Ka4 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kb4 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Ke3 loss in 2 half-moves
24 Kf2 loss in 2 half-moves
25 Kf3 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Re8 loss in 2 half-moves
28 Rf8 loss in 2 half-moves
29 Rg6 loss in 2 half-moves
30 Rg7 loss in 2 half-moves