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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 Rb2 draw
4 Rd2 draw
5 Re2 draw
6 Rf2 draw
7 Rg3 draw
8 Rg5 draw
9 Rg6 draw
10 Rg7 draw
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Kf8 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh2 loss in 2 half-moves
25 K5d6 loss in 1 half-moves
26 K5e6 loss in 1 half-moves
27 K5f6 loss in 1 half-moves
28 K7d6 loss in 1 half-moves
29 K7e6 loss in 1 half-moves
30 K7f6 loss in 1 half-moves