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EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Kc7 draw
3 Kc8 draw
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Rb4 draw
8 Rb8 draw
9 Rc4 draw
10 Rc8 draw
11 Rd4 draw
12 Re4 draw
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 R4a5 loss in 2 half-moves
16 R4a6 loss in 2 half-moves
17 R4a7 loss in 2 half-moves
18 R8a5 loss in 2 half-moves
19 R8a6 loss in 2 half-moves
20 R8a7 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves