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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb7 draw
3 Rb8 draw
4 Rd6 draw
5 Re6 draw
6 Rf6 draw
7 Rg6 draw
8 Ka1 loss in 2 half-moves
9 Ka2 loss in 2 half-moves
10 Ka3 loss in 2 half-moves
11 Kb1 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kbc1 loss in 2 half-moves
14 Kbc2 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kdc1 loss in 2 half-moves
18 Kdc2 loss in 2 half-moves
19 Ke1 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rh6 loss in 2 half-moves