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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 g7 draw
3 Na3 draw
4 Na7 draw
5 Nc3 draw
6 Nc7 draw
7 Nd4 draw
8 Nd6 draw
9 Rb1 draw
10 Re7 draw
11 Ra1 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves