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EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Kd1 draw
3 Ke2 draw
4 Kf2 draw
5 R1b4 draw
6 R8b2 draw
7 R8b4 draw
8 Ra1 draw
9 Ra8 draw
10 Rc1 draw
11 Rc8 draw
12 Rg8 draw
13 Kd2 loss in 2 half-moves
14 R1b2 loss in 2 half-moves
15 R1b3 loss in 2 half-moves
16 R1b5 loss in 2 half-moves
17 R1b6 loss in 2 half-moves
18 R1b7 loss in 2 half-moves
19 R8b3 loss in 2 half-moves
20 R8b5 loss in 2 half-moves
21 R8b6 loss in 2 half-moves
22 R8b7 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Kf1 loss in 1 half-moves