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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 R3g6 draw
3 R3g7 draw
4 Rb3 draw
5 Rc3 draw
6 Rd3 draw
7 Re3 draw
8 R3g4 loss in 2 half-moves
9 R3g5 loss in 2 half-moves
10 R8g4 loss in 2 half-moves
11 R8g5 loss in 2 half-moves
12 R8g6 loss in 2 half-moves
13 R8g7 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rh3 loss in 2 half-moves
24 Rh8 loss in 2 half-moves