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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Rg7 win in 3 half-moves
3 Ra2 draw
4 Rb2 draw
5 Rc2 draw
6 Rg3 draw
7 Rg5 draw
8 Rg6 draw
9 Rg8 draw
10 K5d5 loss in 2 half-moves
11 K5d6 loss in 2 half-moves
12 K5f5 loss in 2 half-moves
13 K5f6 loss in 2 half-moves
14 K6d5 loss in 2 half-moves
15 K6d6 loss in 2 half-moves
16 K6f5 loss in 2 half-moves
17 K6f6 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Kf7 loss in 2 half-moves
24 Rd2 loss in 2 half-moves
25 Re2 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rh2 loss in 2 half-moves