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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Kf4 draw
3 Kg4 draw
4 Kh4 draw
5 Kh5 draw
6 Ra2 draw
7 Rb1 draw
8 Rb5 draw
9 Rb6 draw
10 Rc2 draw
11 Rd2 draw
12 Re2 draw
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves