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EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Kc3 draw
3 Kd3 draw
4 Ke3 draw
5 Rb2 draw
6 Rb3 draw
7 Rb4 draw
8 Rb5 draw
9 Rf8 draw
10 Rg8 draw
11 Rh8 draw
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Kg1 loss in 2 half-moves
18 Kg2 loss in 2 half-moves
19 Kh2 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re8 loss in 2 half-moves