OptionProbability
Berlin Defense (1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6)
Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4)
Grünfeld Defense (1.d4 Nf6 2.c4 g6 3.Nc3 d5)
Caro-Kann Defense (1.e4 c6)
King's Indian Defense (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6)
Trompowsky Attack (1.d4 Nf6 2.Bg5)
Nimzo-Larsen Attack (1.b3)
Dutch Defense (1.d4 f5)
Alekhine's Defense (1.e4 Nf6)
Scandinavian Defense (1.e4 d5)
Evans Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4)
Sicilian Wing Gambit (1.e4 c5 2.b4)
Elephant Gambit (1.e4 e5 2.Nf3 d5)
Blackmar-Diemer Gambit (1.d4 d5 2.e4 dxe4 3.Nc3)
Danish Gambit (1.e4 e5 2.d4 exd4 3.c3)
Rousseau Gambit (1.e4 e5 2.Nf3 Nc6 3.Bc4 f5)
King's Gambit (1.e4 e5 2.f4)
Ware Opening (1.a4)
Englund Gambit (1.d4 e5)
Latvian Gambit (1.e4 e5 2.Nf3 f5)
Tennison Gambit (1.Nf3 d5 2.e4)
Clemenz Opening (1.h3)
St. George Defense (1.e4 a6)
Fred Defense (1.e4 f5)
Orangutan (1.b4)
Cochrane Gambit (1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7)
Bongcloud (1.e4 e5 2.Ke2)
Halloween Gambit (1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5)
Stafford Gambit (1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6)
Grob (1.g4)
Sodium Attack (1.Na3)
91
85
76
64
50
48
42
21
17
15
10
8
7
6
4
2
1
g4
Nh3
a4
b4
f4
h4
Na3
f3
a3
b3
c3
h3
d3
e3
g3
Nc3
c4
Nf3
d4
e4
74
59
57
55
51
34
33
14
13
11
9