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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Kc8 draw
3 Ke8 draw
4 Ra5 draw
5 Ra7 draw
6 Raa8 draw
7 Rab1 draw
8 Rb5 draw
9 Rb7 draw
10 Rba8 draw
11 Rbb1 draw
12 Rc1 draw
13 Rc8 draw
14 Rd1 draw
15 Re1 draw
16 Kc7 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rh1 loss in 2 half-moves