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EGTB: win in 4 half-moves

# move score
1 Nb4 win in 3 half-moves
2 d8=K draw
3 Nc5 draw
4 Ra8 draw
5 Rb2 draw
6 Rb4 draw
7 Rb7 draw
8 Rd8 draw
9 Rg8 draw
10 Rh8 draw
11 d8=B loss in 2 half-moves
12 d8=N loss in 2 half-moves
13 d8=Q loss in 2 half-moves
14 d8=R loss in 2 half-moves
15 Nc7 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves