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EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kcc7 draw
6 Kcd7 draw
7 Kdc7 draw
8 Kdd7 draw
9 Ke6 draw
10 Ke7 draw
11 Ra6 draw
12 Ra8 draw
13 Rb1 draw
14 Rc1 draw
15 Rg1 draw
16 Kcc5 loss in 2 half-moves
17 Kcd5 loss in 2 half-moves
18 Kdc5 loss in 2 half-moves
19 Kdd5 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Ra5 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rf1 loss in 2 half-moves
28 Rh1 loss in 2 half-moves