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EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb4 draw
3 Rb5 draw
4 Rb7 draw
5 Re1 draw
6 Rf1 draw
7 Rg1 draw
8 Rh1 draw
9 Ka7 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kbb7 loss in 2 half-moves
13 Kbc8 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kcb7 loss in 2 half-moves
16 Kcc8 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves