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EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Ke7 draw
11 Kf6 draw
12 Kf7 draw
13 Ra4 draw
14 Rb4 draw
15 Rc5 draw
16 Rc6 draw
17 Rc8 draw
18 Rd4 draw
19 Rh4 draw
20 Ke5 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves