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EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ra6 draw
3 Ra7 draw
4 Ra8 draw
5 Rbb8 draw
6 Rbc6 draw
7 Rbc7 draw
8 Rc2 draw
9 Rcb8 draw
10 Rcc6 draw
11 Rcc7 draw
12 Rd6 draw
13 Rd7 draw
14 Rd8 draw
15 Rh6 draw
16 Rh7 draw
17 Rh8 draw
18 Rb1 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rc5 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Re7 loss in 2 half-moves
28 Re8 loss in 2 half-moves
29 Rf6 loss in 2 half-moves
30 Rf7 loss in 2 half-moves
31 Rf8 loss in 2 half-moves
32 Rg6 loss in 2 half-moves
33 Rg7 loss in 2 half-moves
34 Rg8 loss in 2 half-moves