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EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Ke1 draw
3 Kh1 draw
4 Ra8 draw
5 Rb1 draw
6 Rb6 draw
7 Rb7 draw
8 Rc8 draw
9 Rd8 draw
10 Ke2 loss in 2 half-moves
11 Kff2 loss in 2 half-moves
12 Kfg2 loss in 2 half-moves
13 Kgf2 loss in 2 half-moves
14 Kgg2 loss in 2 half-moves
15 Kh2 loss in 2 half-moves
16 Rb2 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 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves