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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 K5h6 draw
3 K7h6 draw
4 Kg4 draw
5 Kh4 draw
6 Kh8 draw
7 Ra2 draw
8 Rb1 draw
9 Rb3 draw
10 Rb5 draw
11 Rc2 draw
12 Rh2 draw
13 K5g6 loss in 2 half-moves
14 K7g6 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kg8 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rg2 loss in 2 half-moves