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EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Ne7 draw
3 Nf8 draw
4 Nh8 draw
5 Ra8 draw
6 Rb5 draw
7 Rb6 draw
8 Rb7 draw
9 Rc8 draw
10 Rg8 draw
11 Rb4 loss in 4 half-moves
12 Ne5 loss in 2 half-moves
13 Nf4 loss in 2 half-moves
14 Nh4 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves