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EGTB: win in 4 half-moves

# move score
1 R1b2 win in 3 half-moves
2 R1b3 draw
3 R8b2 draw
4 R8b3 draw
5 Ra2 draw
6 Ra3 draw
7 Rab4 draw
8 Rba1 draw
9 Rba8 draw
10 Rc1 draw
11 Rc4 draw
12 Rc8 draw
13 Rg4 draw
14 Rg8 draw
15 Raa1 loss in 8 half-moves
16 R1b4 loss in 2 half-moves
17 R1b5 loss in 2 half-moves
18 R1b6 loss in 2 half-moves
19 R1b7 loss in 2 half-moves
20 R8b4 loss in 2 half-moves
21 R8b5 loss in 2 half-moves
22 R8b6 loss in 2 half-moves
23 R8b7 loss in 2 half-moves
24 Ra5 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Ra7 loss in 2 half-moves
27 Raa8 loss in 2 half-moves
28 Rd1 loss in 2 half-moves
29 Rd4 loss in 2 half-moves
30 Rd8 loss in 2 half-moves
31 Re1 loss in 2 half-moves
32 Re4 loss in 2 half-moves
33 Re8 loss in 2 half-moves
34 Rf1 loss in 2 half-moves
35 Rf4 loss in 2 half-moves
36 Rf8 loss in 2 half-moves
37 Rg1 loss in 2 half-moves
38 Rh1 loss in 2 half-moves
39 Rh4 loss in 2 half-moves
40 Rh8 loss in 2 half-moves