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EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Be7 draw
3 Bg7 draw
4 Bh6 draw
5 Rb6 draw
6 Bc5 loss in 2 half-moves
7 Bd6 loss in 2 half-moves
8 Na3 loss in 2 half-moves
9 Nc3 loss in 2 half-moves
10 Nd2 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rg4 loss in 1 half-moves