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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Ra1 win in 5 half-moves
3 Ka5 draw
4 Ka8 draw
5 Kb5 draw
6 Rf1 draw
7 Rg2 draw
8 Rg3 draw
9 Rg4 draw
10 Rg6 draw
11 Rh1 draw
12 K6b6 loss in 2 half-moves
13 K6b7 loss in 2 half-moves
14 K7b6 loss in 2 half-moves
15 K7b7 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves