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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 K6b6 draw
4 K6b7 draw
5 K6d6 draw
6 K6d7 draw
7 K7b6 draw
8 K7b7 draw
9 K7d6 draw
10 K7d7 draw
11 Kb5 draw
12 Kb8 draw
13 Kc8 draw
14 Kd8 draw
15 Ra1 draw
16 Rg6 draw
17 Rg7 draw
18 Rh1 draw
19 Kc5 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rg4 loss in 2 half-moves