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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Nd7 draw
3 Ra8 draw
4 Rb7 draw
5 Rf8 draw
6 Nh7 loss in 8 half-moves
7 Ne8 loss in 6 half-moves
8 Ng8 loss in 6 half-moves
9 Rb5 loss in 6 half-moves
10 Rb6 loss in 6 half-moves
11 Rb4 loss in 4 half-moves
12 Nd5 loss in 2 half-moves
13 Ne4 loss in 2 half-moves
14 Ng4 loss in 2 half-moves
15 Nh5 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves