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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Ke5 draw
3 Ke6 draw
4 Ke7 draw
5 Rb1 draw
6 Rb2 draw
7 Rb8 draw
8 Rc4 draw
9 Rd4 draw
10 Re4 draw
11 Rf4 draw
12 Rh4 draw
13 Kf5 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Kg1 loss in 2 half-moves
16 Kg2 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kh2 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rb7 loss in 2 half-moves