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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Ra2 draw
4 Rd2 draw
5 Re2 draw
6 Rf2 draw
7 Rg3 draw
8 Rg4 draw
9 Rg5 draw
10 Rg7 draw
11 Kc6 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kdd6 loss in 2 half-moves
15 Kdd8 loss in 2 half-moves
16 Kde6 loss in 2 half-moves
17 Kde8 loss in 2 half-moves
18 Ked6 loss in 2 half-moves
19 Ked8 loss in 2 half-moves
20 Kee6 loss in 2 half-moves
21 Kee8 loss in 2 half-moves
22 Kf6 loss in 2 half-moves
23 Kf7 loss in 2 half-moves
24 Kf8 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rh2 loss in 2 half-moves