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EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Re7 win in 3 half-moves
3 Kg5 draw
4 Kg7 draw
5 Kh5 draw
6 Kh7 draw
7 Ra7 draw
8 Rb1 draw
9 Rb2 draw
10 Rb8 draw
11 Rc7 draw
12 Rd7 draw
13 Kg6 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves