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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rf8 win in 7 half-moves
3 Kb1 draw
4 Kc1 draw
5 Kcd1 draw
6 Kcd2 draw
7 Ke1 draw
8 Ked1 draw
9 Ked2 draw
10 Kf1 draw
11 Kf2 draw
12 Kf3 draw
13 Ra8 draw
14 Re8 draw
15 Rg2 draw
16 Rg7 draw
17 Rh8 draw
18 Kb2 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kcd3 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Ked3 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rg4 loss in 2 half-moves
29 Rg5 loss in 2 half-moves
30 Rg6 loss in 2 half-moves