Bird Opening: Williams-Zilbermints Gambit
White
Rating Group
Elo gain/loss
Game count
All
0.44
1,150
<1000
4.29
22
1000-1500
1.16
190
1500-2000
0.3
782
2000+
-0.29
152
Black
Rating Group
Elo gain/loss
Count
All
-0.44
1,150
<1000
1.75
14
1000-1500
1
180
1500-2000
-0.39
772
2000+
-2.28
180