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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Rg3 win in 3 half-moves
3 Rb4 draw
4 Rb8 draw
5 Rf2 draw
6 Rf3 draw
7 Rfg4 draw
8 Rfg8 draw
9 Rh1 draw
10 Rh4 draw
11 Rh8 draw
12 Rff1 loss in 8 half-moves
13 R4f5 loss in 2 half-moves
14 R4f6 loss in 2 half-moves
15 R4f7 loss in 2 half-moves
16 R8f5 loss in 2 half-moves
17 R8f6 loss in 2 half-moves
18 R8f7 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Rd4 loss in 2 half-moves
28 Rd8 loss in 2 half-moves
29 Re1 loss in 2 half-moves
30 Re4 loss in 2 half-moves
31 Re8 loss in 2 half-moves
32 Rg5 loss in 2 half-moves
33 Rg6 loss in 2 half-moves
34 Rg7 loss in 2 half-moves
35 Rgf1 loss in 2 half-moves
36 Rgg4 loss in 2 half-moves
37 Rgg8 loss in 2 half-moves