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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rgb7 win in 3 half-moves
3 Rg3 draw
4 Rg4 draw
5 Rg5 draw
6 Rgd7 draw
7 Rge7 draw
8 Rgf7 draw
9 Nb4 loss in 2 half-moves
10 Nb8 loss in 2 half-moves
11 Nc5 loss in 2 half-moves
12 Nc7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rab7 loss in 2 half-moves
15 Rac7 loss in 2 half-moves
16 Rad7 loss in 2 half-moves
17 Rae7 loss in 2 half-moves
18 Raf7 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rgc7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves