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EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Rh5 win in 3 half-moves
3 Ra5 draw
4 Rb4 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Re5 draw
9 Rg5 draw
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Kf2 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Kfg1 loss in 1 half-moves
20 Kfg2 loss in 1 half-moves
21 Khg1 loss in 1 half-moves
22 Khg2 loss in 1 half-moves