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EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 R1g2 draw
4 R1g3 draw
5 R1g7 draw
6 R8g2 draw
7 R8g3 draw
8 R8g7 draw
9 Rh1 draw
10 Rh8 draw
11 R1g4 loss in 2 half-moves
12 R1g5 loss in 2 half-moves
13 R1g6 loss in 2 half-moves
14 R8g4 loss in 2 half-moves
15 R8g5 loss in 2 half-moves
16 R8g6 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rf8 loss in 2 half-moves