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EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Rf4 win in 3 half-moves
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rf1 draw
7 Rf2 draw
8 Rf5 draw
9 Rf6 draw
10 Rg7 draw
11 Ka2 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Ke5 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rh7 loss in 2 half-moves