Bird Opening: Batavo-Polish Attack
White
Rating Group
Elo gain/loss
Game count
All
-0.31
16
1000-1500
2.33
2
1500-2000
-0.01
11
2000+
-3.15
3
Black
Rating Group
Elo gain/loss
Count
All
0.31
16
1000-1500
-1.65
1
1500-2000
0.36
11
2000+
0.65
4