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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Kh4 draw
3 Rb6 draw
4 Rg4 draw
5 Kc1 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kc3 loss in 2 half-moves
8 Kd1 loss in 2 half-moves
9 Kd3 loss in 2 half-moves
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Kg2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh2 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Kg4 loss in 1 half-moves