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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Kc8 draw
3 Kde8 draw
4 Kfe8 draw
5 Kg8 draw
6 Ra1 draw
7 Rb2 draw
8 Rb3 draw
9 Rb8 draw
10 Rc1 draw
11 Rh1 draw
12 Kc7 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kde7 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kfe7 loss in 2 half-moves
17 Kg7 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Rf1 loss in 2 half-moves