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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 R1b2 draw
3 R1b3 draw
4 R1b4 draw
5 R8b2 draw
6 R8b3 draw
7 R8b4 draw
8 Ra1 draw
9 Ra8 draw
10 Rg8 draw
11 R1b5 loss in 2 half-moves
12 R1b6 loss in 2 half-moves
13 R1b7 loss in 2 half-moves
14 R8b5 loss in 2 half-moves
15 R8b6 loss in 2 half-moves
16 R8b7 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rh1 loss in 2 half-moves
26 Rh8 loss in 2 half-moves