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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Kh3 draw
3 Kh6 draw
4 Ra7 draw
5 Rb1 draw
6 Rb2 draw
7 Rb6 draw
8 Rb8 draw
9 Rf7 draw
10 Rh7 draw
11 K4g4 loss in 2 half-moves
12 K4g5 loss in 2 half-moves
13 K5g4 loss in 2 half-moves
14 K5g5 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves