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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rc4 draw
3 Rc5 draw
4 Rc6 draw
5 Rc8 draw
6 Re1 draw
7 Rf1 draw
8 Rh1 draw
9 Kd5 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kh5 loss in 2 half-moves
21 Kh7 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rc2 loss in 2 half-moves
25 Rc3 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rd1 loss in 2 half-moves