OptionProbability
Berlin Defense (1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6)
Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4)
King's Indian Defense (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6)
Grünfeld Defense (1.d4 Nf6 2.c4 g6 3.Nc3 d5)
Trompowsky Attack (1.d4 Nf6 2.Bg5)
Caro-Kann Defense (1.e4 c6)
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)
Latvian Gambit (1.e4 e5 2.Nf3 f5)
Englund Gambit (1.d4 e5)
Tennison Gambit (1.Nf3 d5 2.e4)
Clemenz Opening (1.h3)
St. George Defense (1.e4 a6)
Ware Opening (1.a4)
Fred Defense (1.e4 f5)
Orangutan (1.b4)
Cochrane Gambit (1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7)
Halloween Gambit (1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5)
Bongcloud (1.e4 e5 2.Ke2)
Stafford Gambit (1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6)
Grob (1.g4)
Sodium Attack (1.Na3)
90
87
76
66
50
48
41
29
17
15
10
8
4
2
1