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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 K4a5 draw
3 K6a5 draw
4 Ka3 draw
5 Ka7 draw
6 Kb7 draw
7 Ra2 draw
8 Rb1 draw
9 Rb6 draw
10 Rb8 draw
11 Rc2 draw
12 Re2 draw
13 Rf2 draw
14 K4b5 loss in 2 half-moves
15 K6b5 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Kb4 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rd2 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rh2 loss in 2 half-moves