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EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Rh3 win in 3 half-moves
3 R3b4 draw
4 R5b4 draw
5 Ra3 draw
6 Ra5 draw
7 Rb1 draw
8 Rb2 draw
9 Rb6 draw
10 Rf5 draw
11 Rh5 draw
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg5 loss in 2 half-moves