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EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kh2 draw
5 Rd1 draw
6 Rd3 draw
7 Rd8 draw
8 Rde2 draw
9 Re1 draw
10 Re3 draw
11 Re8 draw
12 Red7 draw
13 Ree2 draw
14 Rg7 draw
15 Ra2 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Rd6 loss in 2 half-moves
24 Rdd7 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Re5 loss in 2 half-moves
27 Re6 loss in 2 half-moves
28 Rf2 loss in 2 half-moves
29 Rf7 loss in 2 half-moves
30 Rh2 loss in 2 half-moves
31 Rh7 loss in 2 half-moves