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EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Ra7 draw
6 Rb7 draw
7 Rd7 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 Rg8 draw
12 Rh7 draw
13 Kb3 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kd2 loss in 2 half-moves
21 Ke1 loss in 2 half-moves
22 Ke2 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg6 loss in 2 half-moves