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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Re1 win in 3 half-moves
3 Kg6 draw
4 Kg8 draw
5 Kh6 draw
6 Kh8 draw
7 Ra1 draw
8 Rb2 draw
9 Rb3 draw
10 Rb8 draw
11 Rc1 draw
12 Rd1 draw
13 Kg7 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves