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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Ke2 draw
3 Ke3 draw
4 Kf2 draw
5 Kg2 draw
6 Kg3 draw
7 Ra3 draw
8 Ra4 draw
9 Rb1 draw
10 Rb2 draw
11 Ke4 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves