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EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Na3 draw
3 Nb4 draw
4 Ne1 draw
5 Ne3 draw
6 Ra5 draw
7 Rb6 draw
8 Rb7 draw
9 Rb8 draw
10 Rc5 draw
11 Na1 loss in 16 half-moves
12 Nd4 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves