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EGTB: win in 20 half-moves

# move score
1 Rb4 win in 19 half-moves
2 Rc4 win in 33 half-moves
3 Kf2 draw
4 Kf3 draw
5 Kg2 draw
6 Kg4 draw
7 Kh2 draw
8 Kh3 draw
9 Ra2 draw
10 Rb1 draw
11 Rb3 draw
12 Rc1 draw
13 Rc3 draw
14 Rd2 draw
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rh2 loss in 2 half-moves
27 Kf4 loss in 1 half-moves
28 Kh4 loss in 1 half-moves