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EGTB: win in 4 half-moves

# move score
1 Rgc1 win in 3 half-moves
2 Ra1 draw
3 Ra4 draw
4 Rb1 draw
5 Rb4 draw
6 Rc2 draw
7 Rc6 draw
8 Rcc1 draw
9 Rd1 draw
10 Rd4 draw
11 Re1 draw
12 Re4 draw
13 Rc3 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh4 loss in 2 half-moves