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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Ra2 draw
3 Ra3 draw
4 Re2 draw
5 Re3 draw
6 Rf1 draw
7 Rf7 draw
8 Rff3 draw
9 Rfg2 draw
10 Rg1 draw
11 Rgg2 draw
12 Rh2 draw
13 Rh3 draw
14 Rgf3 loss in 4 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg6 loss in 2 half-moves
28 Rg8 loss in 2 half-moves