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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 Ka1 draw
4 Kb1 draw
5 Kc1 draw
6 Rd7 draw
7 Re7 draw
8 Rf7 draw
9 Rg1 draw
10 Rg4 draw
11 Rg5 draw
12 Rg6 draw
13 Rh7 draw
14 Ka2 loss in 2 half-moves
15 Ka3 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Ke5 loss in 2 half-moves
24 Kf3 loss in 2 half-moves
25 Kf4 loss in 2 half-moves
26 Kf5 loss in 2 half-moves
27 Ra7 loss in 2 half-moves
28 Rb7 loss in 2 half-moves
29 Rc7 loss in 2 half-moves
30 Rg8 loss in 2 half-moves