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EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Kab8 draw
3 Kd7 draw
4 Kd8 draw
5 Rc7 draw
6 Re7 draw
7 Rf7 draw
8 Rg3 draw
9 Rg4 draw
10 Rg6 draw
11 Rg8 draw
12 Rh7 draw
13 Ka7 loss in 2 half-moves
14 Kab7 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kcb7 loss in 2 half-moves
17 Kcb8 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg5 loss in 2 half-moves