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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Kd6 draw
3 Kf6 draw
4 Ra3 draw
5 Rc3 draw
6 Rd3 draw
7 Re1 draw
8 Re2 draw
9 Re6 draw
10 Rh3 draw
11 Ka7 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Ke6 loss in 1 half-moves