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EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Rb1 draw
3 Rb5 draw
4 Rd3 draw
5 Re3 draw
6 Rf3 draw
7 Rh3 draw
8 Kg4 loss in 2 half-moves
9 Kg5 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kh4 loss in 2 half-moves
12 Kh6 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc3 loss in 2 half-moves