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EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 R1a2 draw
3 R3a2 draw
4 Ra4 draw
5 Ra5 draw
6 Ra7 draw
7 Rb1 draw
8 Rb3 draw
9 Rf1 draw
10 Rf3 draw
11 Ra6 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Ka7 loss in 1 half-moves
23 Kb8 loss in 1 half-moves