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EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Ka5 draw
3 Kb3 draw
4 Kb4 draw
5 Kb5 draw
6 Ra1 draw
7 Ra8 draw
8 Rab3 draw
9 Rb1 draw
10 Rbb3 draw
11 Rc3 draw
12 Rc8 draw
13 Rd3 draw
14 Re3 draw
15 Ra2 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh8 loss in 2 half-moves