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EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rgh8 win in 5 half-moves
3 Rb4 draw
4 Rb8 draw
5 Rgh1 draw
6 Rh2 draw
7 Rh3 draw
8 Rhh1 draw
9 R1g2 loss in 2 half-moves
10 R1g3 loss in 2 half-moves
11 R1g4 loss in 2 half-moves
12 R1g5 loss in 2 half-moves
13 R1g6 loss in 2 half-moves
14 R1g7 loss in 2 half-moves
15 R8g2 loss in 2 half-moves
16 R8g3 loss in 2 half-moves
17 R8g4 loss in 2 half-moves
18 R8g5 loss in 2 half-moves
19 R8g6 loss in 2 half-moves
20 R8g7 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rc8 loss in 2 half-moves
27 Rd1 loss in 2 half-moves
28 Rd4 loss in 2 half-moves
29 Rd8 loss in 2 half-moves
30 Re1 loss in 2 half-moves
31 Re4 loss in 2 half-moves
32 Re8 loss in 2 half-moves
33 Rf1 loss in 2 half-moves
34 Rf4 loss in 2 half-moves
35 Rf8 loss in 2 half-moves
36 Rh5 loss in 2 half-moves
37 Rh6 loss in 2 half-moves
38 Rh7 loss in 2 half-moves
39 Rhg4 loss in 2 half-moves
40 Rhh8 loss in 2 half-moves