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EGTB: win in 4 half-moves

# move score
1 Rgc5 win in 3 half-moves
2 Ra6 draw
3 Rg7 draw
4 Rg8 draw
5 Rh5 draw
6 Ke1 loss in 2 half-moves
7 Ke2 loss in 2 half-moves
8 Kf2 loss in 2 half-moves
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rab5 loss in 2 half-moves
18 Rac5 loss in 2 half-moves
19 Rad5 loss in 2 half-moves
20 Rae5 loss in 2 half-moves
21 Raf5 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rgb5 loss in 2 half-moves
28 Rgd5 loss in 2 half-moves
29 Rge5 loss in 2 half-moves
30 Rgf5 loss in 2 half-moves