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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rg5 win in 3 half-moves
3 Ra7 draw
4 Rd7 draw
5 Re7 draw
6 Rf7 draw
7 Rg2 draw
8 Rg3 draw
9 Rg4 draw
10 Rg6 draw
11 K2c3 loss in 2 half-moves
12 K2d3 loss in 2 half-moves
13 K2e3 loss in 2 half-moves
14 K4c3 loss in 2 half-moves
15 K4d3 loss in 2 half-moves
16 K4e3 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd1 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Ke1 loss in 2 half-moves
24 Ke2 loss in 2 half-moves
25 Ke4 loss in 2 half-moves
26 Ke5 loss in 2 half-moves
27 Rb7 loss in 2 half-moves
28 Rc7 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh7 loss in 2 half-moves