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EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb7 draw
3 Rb8 draw
4 Rf1 draw
5 Rf7 draw
6 Rf8 draw
7 Rgh8 draw
8 Rhg1 draw
9 Rhg7 draw
10 Rgg1 loss in 4 half-moves
11 Rgg7 loss in 4 half-moves
12 Rhh8 loss in 4 half-moves
13 R1h2 loss in 2 half-moves
14 R1h3 loss in 2 half-moves
15 R1h4 loss in 2 half-moves
16 R1h5 loss in 2 half-moves
17 R1h6 loss in 2 half-moves
18 R7h2 loss in 2 half-moves
19 R7h3 loss in 2 half-moves
20 R7h4 loss in 2 half-moves
21 R7h5 loss in 2 half-moves
22 R7h6 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Ra8 loss in 2 half-moves
26 Rc1 loss in 2 half-moves
27 Rc7 loss in 2 half-moves
28 Rc8 loss in 2 half-moves
29 Rd1 loss in 2 half-moves
30 Rd7 loss in 2 half-moves
31 Rd8 loss in 2 half-moves
32 Re1 loss in 2 half-moves
33 Re7 loss in 2 half-moves
34 Re8 loss in 2 half-moves
35 Rg2 loss in 2 half-moves
36 Rg3 loss in 2 half-moves
37 Rg4 loss in 2 half-moves
38 Rg5 loss in 2 half-moves
39 Rg6 loss in 2 half-moves