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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Kg3 draw
4 Kg4 draw
5 Kh3 draw
6 Ra1 draw
7 Rb2 draw
8 Rb8 draw
9 Rc1 draw
10 Rd1 draw
11 Rh1 draw
12 Kg5 loss in 2 half-moves
13 Kh5 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves