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EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 Kd8 draw
3 Ke8 draw
4 Kf8 draw
5 Ra1 draw
6 Rd5 draw
7 Rd7 draw
8 Rd8 draw
9 Rf1 draw
10 Rg1 draw
11 Rh1 draw
12 Kd6 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Kg6 loss in 2 half-moves
20 Kh4 loss in 2 half-moves
21 Kh6 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd2 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Rd4 loss in 2 half-moves
27 Re1 loss in 2 half-moves