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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 K6d7 draw
3 K6e7 draw
4 K6f7 draw
5 K8d7 draw
6 K8e7 draw
7 K8f7 draw
8 Kd6 draw
9 Kd8 draw
10 Kf5 draw
11 Kf6 draw
12 Kf8 draw
13 Ra1 draw
14 Re1 draw
15 Rf1 draw
16 Rg6 draw
17 Rg7 draw
18 Rg8 draw
19 Rh1 draw
20 Kd5 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves