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EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 K3g4 draw
4 K3h4 draw
5 K5g4 draw
6 K5h4 draw
7 Kf6 draw
8 Kg2 draw
9 Kg6 draw
10 Kh2 draw
11 Kh3 draw
12 Kh5 draw
13 Kh6 draw
14 Ra8 draw
15 Rb1 draw
16 Rb7 draw
17 Rg8 draw
18 Rh8 draw
19 K3f4 loss in 2 half-moves
20 K5f4 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Kf3 loss in 2 half-moves
23 Kf5 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rb4 loss in 2 half-moves
27 Rc8 loss in 2 half-moves
28 Rd8 loss in 2 half-moves
29 Re8 loss in 2 half-moves
30 Rf8 loss in 2 half-moves