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EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Kg3 draw
3 Kh3 draw
4 Ra1 draw
5 Ra3 draw
6 Ra4 draw
7 Ra5 draw
8 Ra6 draw
9 Rb7 draw
10 Rc7 draw
11 Rd7 draw
12 Rf7 draw
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kg1 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Kh1 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves