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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rd1 draw
3 Rd6 draw
4 Rdd8 draw
5 Rdg2 draw
6 Re2 draw
7 Re8 draw
8 Rf2 draw
9 Rf8 draw
10 Rg1 draw
11 Rgd8 draw
12 Rgg2 draw
13 Rh2 draw
14 Rh8 draw
15 Ra2 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg5 loss in 2 half-moves
28 Rg7 loss in 2 half-moves