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EGTB: win in 4 half-moves

# move score
1 Rgf8 win in 3 half-moves
2 Ra6 draw
3 Ra8 draw
4 Rb2 draw
5 Rb7 draw
6 Rbb6 draw
7 Rbf8 draw
8 Rf6 draw
9 Rg7 draw
10 Rgh8 draw
11 Rh7 draw
12 Rhh8 draw
13 Rhg6 loss in 4 half-moves
14 Rb1 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rbc8 loss in 2 half-moves
19 Rbd8 loss in 2 half-moves
20 Rbe8 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves
28 Rg5 loss in 2 half-moves
29 Rgc8 loss in 2 half-moves
30 Rgd8 loss in 2 half-moves
31 Rge8 loss in 2 half-moves
32 Rgg6 loss in 2 half-moves
33 Rh1 loss in 2 half-moves
34 Rh2 loss in 2 half-moves
35 Rh3 loss in 2 half-moves
36 Rh4 loss in 2 half-moves
37 Rh5 loss in 2 half-moves
38 Rhb6 loss in 2 half-moves