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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Rg6 win in 5 half-moves
3 Rf1 draw
4 Rf3 draw
5 Rg1 draw
6 Rg3 draw
7 Rgf4 draw
8 Rgg2 draw
9 Rh2 draw
10 Rh4 draw
11 Rff4 loss in 4 half-moves
12 Rfg2 loss in 4 half-moves
13 Ra2 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rg8 loss in 2 half-moves