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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb8 draw
3 Re3 draw
4 Rf3 draw
5 Rg5 draw
6 Rg6 draw
7 Rg7 draw
8 Rgd3 draw
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kd1 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Rdd3 loss in 2 half-moves
25 Rdg8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg1 loss in 2 half-moves
29 Rg2 loss in 2 half-moves
30 Rg4 loss in 2 half-moves
31 Rgg8 loss in 2 half-moves
32 Rh3 loss in 2 half-moves
33 Rh8 loss in 2 half-moves