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EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Rb4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rc3 draw
7 Rd3 draw
8 Re3 draw
9 Rf3 draw
10 Rh3 draw
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Kh4 loss in 2 half-moves
18 Kh6 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb8 loss in 2 half-moves