Board 4  
NS Contratto Da Attacco ScoreNS ScoreEO EO
2 4♥ X -4 N ♦K 1100 109
3 5♣ X S ♥3 750 108
4 4♣ +1 S ♦3 150 107
5 5♣ -1 S ♣3 100 106
6 5♣ X S ♦T 750 105
7 5♣ S ♠T 600 104
8 3♦ -1 E ♣A 100 103
9 5♦ X -2 E ♣A 500 102
  Freq Score NS EO
1 2 750 9,29 -9,29
2 1 600 6,43 -6,43
3 1 500 4,43 -4,43
4 1 150 -2,71 2,71
5 1 100 -3,71 3,71
6 1 -100 -6,71 6,71
7 1 -1100 -16,29 16,29