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EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Nd1 draw
3 Ne4 draw
4 Ng4 draw
5 Ra1 draw
6 Rb2 draw
7 Rc1 draw
8 Rf1 draw
9 Nh1 loss in 6 half-moves
10 Nd3 loss in 2 half-moves
11 Nh3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves