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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 Rb6 draw
7 Rc8 draw
8 Rd8 draw
9 Re8 draw
10 Rf8 draw
11 K2g2 loss in 2 half-moves
12 K2g3 loss in 2 half-moves
13 K3g2 loss in 2 half-moves
14 K3g3 loss in 2 half-moves
15 Kg1 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kh1 loss in 2 half-moves
18 Kh4 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb7 loss in 2 half-moves