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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ka2 draw
3 Ka4 draw
4 Kb3 draw
5 Kd6 draw
6 Kd7 draw
7 Kd8 draw
8 Ke6 draw
9 Ke8 draw
10 Ra4 draw
11 Rb1 draw
12 Rb2 draw
13 Rb7 draw
14 Rb8 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Kb2 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rh4 loss in 2 half-moves