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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Kc2 draw
3 Kd2 draw
4 Ke2 draw
5 Ke3 draw
6 Ke4 draw
7 Kf7 draw
8 Kf8 draw
9 Kg7 draw
10 Kh7 draw
11 Kh8 draw
12 Rc1 draw
13 Rc8 draw
14 Rd7 draw
15 Re7 draw
16 Rf7 draw
17 Rh7 draw
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rc5 loss in 2 half-moves
27 Rc6 loss in 2 half-moves