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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rc3 draw
3 Rd3 draw
4 Rg5 draw
5 Rg6 draw
6 Rg7 draw
7 Rg8 draw
8 Rh3 draw
9 K3a4 loss in 2 half-moves
10 K3b4 loss in 2 half-moves
11 K5a4 loss in 2 half-moves
12 K5b4 loss in 2 half-moves
13 Ka2 loss in 2 half-moves
14 Ka6 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg4 loss in 2 half-moves