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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 K5g6 draw
4 K5h6 draw
5 K7g6 draw
6 K7h6 draw
7 Kf4 draw
8 Kf5 draw
9 Kg4 draw
10 Kg8 draw
11 Kh4 draw
12 Kh5 draw
13 Kh7 draw
14 Kh8 draw
15 Ra1 draw
16 Rb2 draw
17 Rb3 draw
18 Rb6 draw
19 Rg1 draw
20 Rh1 draw
21 K5f6 loss in 2 half-moves
22 K7f6 loss in 2 half-moves
23 Kf7 loss in 2 half-moves
24 Kf8 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc1 loss in 2 half-moves
28 Rd1 loss in 2 half-moves
29 Re1 loss in 2 half-moves
30 Rf1 loss in 2 half-moves