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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Ra3 draw
4 Rb3 draw
5 Rc3 draw
6 Rd3 draw
7 Rg4 draw
8 Rg6 draw
9 Rg7 draw
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Kcc7 loss in 2 half-moves
16 Kcd6 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd8 loss in 2 half-moves
19 Kdc7 loss in 2 half-moves
20 Kdd6 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ke7 loss in 2 half-moves
23 Ke8 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves
28 Rh3 loss in 2 half-moves