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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Rg5 win in 3 half-moves
3 K5a6 draw
4 K7a6 draw
5 Ka4 draw
6 Ka8 draw
7 Kb4 draw
8 Ra1 draw
9 Rf1 draw
10 Rg2 draw
11 Rg3 draw
12 Rh1 draw
13 K5b6 loss in 2 half-moves
14 K7b6 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Kb8 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves