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EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Kg7 draw
3 Kh2 draw
4 Kh4 draw
5 Kh5 draw
6 Kh7 draw
7 Ra1 draw
8 Rb2 draw
9 Rb6 draw
10 Rb8 draw
11 Rc1 draw
12 Rh1 draw
13 Kg2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves