Chess Openings — ECO Lexicon
Statistics from 2,514,358 games by 4887 players
Most played
Highest win rate
Browse by group
- AFlank Openings
- BSemi-Open Game
- COpen Game
- DClosed and Semi-Closed Game
- EIndian Defenses
Search by name or ECO code…
A00
Anderssen's Opening
145,106
A01
Nimzo-Larsen Attack
40,445
A02
Bird Opening
10,543
A03
Bird Opening
7,746
A04
Zukertort Opening
50,781
A05
Zukertort Opening
8,887
A06
Zukertort Opening
12,804
A07
King's Indian Attack
18,208
A08
King's Indian Attack
3,916
A09
Réti Opening
2,422
A10
English Opening
12,548
A11
English Opening
4,387
A12
Réti Opening
298
A13
English Opening
8,738
A14
English Opening
663
A15
English Opening
6,192
A16
English Opening
3,488
A17
English Opening
1,363
A18
English Opening
783
A19
English Opening
103
A20
English Opening
7,618
A21
English Opening
3,058
A22
English Opening
3,048
A23
English Opening
383
A24
English Opening
613
A25
English Opening
2,585
A26
English Opening
338
A27
English Opening
573
A28
English Opening
2,191
A29
English Opening
510
A30
English Opening
4,835
A31
English Opening
1,116
A32
English Opening
49
A33
English Opening
239
A34
English Opening
2,483
A35
English Opening
1,400
A36
English Opening
1,106
A37
English Opening
594
A38
English Opening
339
A39
English Opening
242
A40
Queen's Pawn Game
120,764
A41
Queen's Pawn Game
15,500
A42
Modern Defense
927
A43
Benoni Defense
18,837
A44
Benoni Defense
1,300
A45
Indian Defense
43,582
A46
Indian Defense
19,331
A47
Pseudo Queen's Indian Defense
1,313
A48
East Indian Defense
15,797
A49
Indian Defense
3,011
A50
Indian Defense
2,922
A51
Indian Defense
1,055
A52
Indian Defense
956
A53
Old Indian Defense
2,091
A54
Old Indian Defense
810
A55
Old Indian Defense
296
A56
Benoni Defense
1,603
A57
Benko Gambit
1,420
A58
Benko Gambit Accepted
625
A59
Benko Gambit Accepted
166
A60
Benoni Defense
1,206
A61
Benoni Defense
293
A62
Benoni Defense
A63
Benoni Defense
3
A64
Benoni Defense
30
A65
Benoni Defense
767
A66
Benoni Defense
41
A67
Benoni Defense
161
A68
Benoni Defense
97
A69
Benoni Defense
25
A70
Benoni Defense
678
A71
Benoni Defense
49
A72
Benoni Defense
4
A73
Benoni Defense
38
A74
Benoni Defense
2
A75
Benoni Defense
53
A76
Benoni Defense
25
A77
Benoni Defense
186
A78
Benoni Defense
A79
Benoni Defense
A80
Dutch Defense
8,645
A81
Dutch Defense
219
A82
Dutch Defense
532
A83
Dutch Defense
298
A84
Dutch Defense
2,682
A85
Dutch Defense
1,056
A86
Dutch Defense
102
A87
Dutch Defense
145
A88
Dutch Defense
45
A89
Dutch Defense
8
A90
Dutch Defense
141
A91
Dutch Defense
93
A92
Dutch Defense
28
A93
Dutch Defense
8
A94
Dutch Defense
2
A95
Dutch Defense
17
A96
Dutch Defense
144
A97
Dutch Defense
11
A98
Dutch Defense
5
A99
Dutch Defense
3
B00
King's Pawn Game
77,766
B01
Scandinavian Defense
147,403
B02
Alekhine Defense
30,002
B03
Alekhine Defense
4,460
B04
Alekhine Defense
1,638
B05
Alekhine Defense
454
B06
Modern Defense
42,104
B07
King's Pawn Game
60,453
B08
Pirc Defense
12,313
B09
Pirc Defense
1,880
B10
Caro-Kann Defense
71,387
B11
Caro-Kann Defense
2,537
B12
Caro-Kann Defense
41,279
B13
Caro-Kann Defense
36,248
B14
Caro-Kann Defense
2,432
B15
Caro-Kann Defense
19,913
B16
Caro-Kann Defense
288
B17
Caro-Kann Defense
1,044
B18
Caro-Kann Defense
5,457
B19
Caro-Kann Defense
740
B20
Sicilian Defense
27,754
B21
Sicilian Defense
21,123
B22
Sicilian Defense
28,184
B23
Sicilian Defense
24,196
B24
Sicilian Defense
1,709
B25
Sicilian Defense
482
B26
Sicilian Defense
532
B27
Sicilian Defense
7,771
B28
Sicilian Defense
3,529
B29
Sicilian Defense
1,470
B30
Sicilian Defense
19,265
B31
Sicilian Defense
2,427
B32
Sicilian Defense
3,582
B33
Sicilian Defense
6,712
B34
Sicilian Defense
6,101
B35
Sicilian Defense
969
B36
Sicilian Defense
1,242
B37
Sicilian Defense
111
B38
Sicilian Defense
1,209
B39
Sicilian Defense
74
B40
Sicilian Defense
14,180
B41
Sicilian Defense
1,206
B42
Sicilian Defense
674
B43
Sicilian Defense
2,336
B44
Sicilian Defense
1,600
B45
Sicilian Defense
4,161
B46
Sicilian Defense
633
B47
Sicilian Defense
1,023
B48
Sicilian Defense
1,048
B49
Sicilian Defense
357
B50
Sicilian Defense
13,582
B51
Sicilian Defense
2,511
B52
Sicilian Defense
1,455
B53
Sicilian Defense
1,564
B54
Sicilian Defense
1,737
B55
Sicilian Defense
15
B56
Sicilian Defense
1,886
B57
Sicilian Defense
296
B58
Sicilian Defense
88
B59
Sicilian Defense
32
B60
Sicilian Defense
275
B61
Sicilian Defense
147
B62
Sicilian Defense
155
B63
Sicilian Defense
61
B64
Sicilian Defense
4
B65
Sicilian Defense
14
B66
Sicilian Defense
54
B67
Sicilian Defense
236
B68
Sicilian Defense
45
B69
Sicilian Defense
53
B70
Sicilian Defense
1,273
B71
Sicilian Defense
190
B72
Sicilian Defense
762
B73
Sicilian Defense
263
B74
Sicilian Defense
41
B75
Sicilian Defense
374
B76
Sicilian Defense
1,047
B77
Sicilian Defense
411
B78
Sicilian Defense
283
B79
Sicilian Defense
5
B80
Sicilian Defense
724
B81
Sicilian Defense
23
B82
Sicilian Defense
76
B83
Sicilian Defense
48
B84
Sicilian Defense
180
B85
Sicilian Defense
37
B86
Sicilian Defense
922
B87
Sicilian Defense
57
B88
Sicilian Defense
233
B89
Sicilian Defense
38
B90
Sicilian Defense
3,724
B91
Sicilian Defense
106
B92
Sicilian Defense
581
B93
Sicilian Defense
185
B94
Sicilian Defense
437
B95
Sicilian Defense
374
B96
Sicilian Defense
236
B97
Sicilian Defense
69
B98
Sicilian Defense
174
B99
Sicilian Defense
151
C00
French Defense
64,057
C01
French Defense
21,190
C02
French Defense
16,199
C03
French Defense
788
C04
French Defense
190
C05
French Defense
1,252
C06
French Defense
193
C07
French Defense
1,177
C08
French Defense
215
C09
French Defense
86
C10
French Defense
10,622
C11
French Defense
6,026
C12
French Defense
413
C13
French Defense
415
C14
French Defense
258
C15
French Defense
1,419
C16
French Defense
295
C17
French Defense
353
C18
French Defense
480
C19
French Defense
199
C20
King's Pawn Game
71,150
C21
Center Game Accepted
15,592
C22
Center Game
8,371
C23
Bishop's Opening
18,970
C24
Bishop's Opening
8,731
C25
Vienna Game
32,092
C26
Vienna Game
5,788
C27
Vienna Game
407
C28
Vienna Game
14,621
C29
Vienna Game
1,723
C30
King's Gambit
8,304
C31
King's Gambit Declined
1,097
C32
King's Gambit Declined
110
C33
King's Gambit Accepted
1,069
C34
King's Gambit Accepted
4,197
C35
King's Gambit Accepted
263
C36
King's Gambit Accepted
970
C37
King's Gambit Accepted
605
C38
King's Gambit Accepted
164
C39
King's Gambit Accepted
240
C40
King's Knight Opening
37,766
C41
Philidor Defense
37,730
C42
Petrov's Defense
26,875
C43
Petrov's Defense
4,274
C44
King's Knight Opening
16,749
C45
Scotch Game
49,912
C46
Three Knights Opening
16,080
C47
Four Knights Game
29,767
C48
Four Knights Game
7,128
C49
Four Knights Game
1,379
C50
Italian Game
61,567
C51
Italian Game
1,434
C52
Italian Game
435
C53
Italian Game
7,149
C54
Italian Game
2,741
C55
Italian Game
16,626
C56
Italian Game
666
C57
Italian Game
11,831
C58
Italian Game
2,290
C59
Italian Game
142
C60
Ruy Lopez
4,749
C61
Ruy Lopez
1,785
C62
Ruy Lopez
5,176
C63
Ruy Lopez
1,837
C64
Ruy Lopez
3,296
C65
Ruy Lopez
6,764
C66
Ruy Lopez
794
C67
Ruy Lopez
1,493
C68
Ruy Lopez
2,634
C69
Ruy Lopez
363
C70
Ruy Lopez
1,601
C71
Ruy Lopez
212
C72
Ruy Lopez
225
C73
Ruy Lopez
18
C74
Ruy Lopez
105
C75
Ruy Lopez
259
C76
Ruy Lopez
136
C77
Ruy Lopez
1,801
C78
Ruy Lopez
1,967
C79
Ruy Lopez
177
C80
Ruy Lopez
250
C81
Ruy Lopez
5
C82
Ruy Lopez
26
C83
Ruy Lopez
36
C84
Ruy Lopez
442
C85
Ruy Lopez
94
C86
Ruy Lopez
22
C87
Ruy Lopez
147
C88
Ruy Lopez
726
C89
Ruy Lopez
278
C90
Ruy Lopez
133
C91
Ruy Lopez
78
C92
Ruy Lopez
125
C93
Ruy Lopez
56
C94
Ruy Lopez
52
C95
Ruy Lopez
48
C96
Ruy Lopez
54
C97
Ruy Lopez
79
C98
Ruy Lopez
3
C99
Ruy Lopez
10
D00
Queen's Pawn Game
116,375
D01
Rapport-Jobava System, with e6
956
D02
Queen's Pawn Game
81,613
D03
Queen's Pawn Game
3,046
D04
Queen's Pawn Game
6,570
D05
Queen's Pawn Game
4,809
D06
Queen's Gambit
11,240
D07
Queen's Gambit Declined
8,933
D08
Queen's Gambit Declined
3,162
D09
Queen's Gambit Declined
130
D10
Slav Defense
11,553
D11
Slav Defense
7,267
D12
Slav Defense
1,785
D13
Slav Defense
2,321
D14
Slav Defense
466
D15
Slav Defense
4,026
D16
Slav Defense
150
D17
Slav Defense
208
D18
Slav Defense
41
D19
Slav Defense
102
D20
Queen's Gambit Accepted
16,761
D21
Queen's Gambit Accepted
1,465
D22
Queen's Gambit Accepted
101
D23
Queen's Gambit Accepted
391
D24
Queen's Gambit Accepted
496
D25
Queen's Gambit Accepted
834
D26
Queen's Gambit Accepted
1,211
D27
Queen's Gambit Accepted
369
D28
Queen's Gambit Accepted
29
D29
Queen's Gambit Accepted
18
D30
Queen's Gambit Declined
8,886
D31
Queen's Gambit Declined
9,145
D32
Tarrasch Defense
1,968
D33
Tarrasch Defense
201
D34
Tarrasch Defense
354
D35
Queen's Gambit Declined
7,903
D36
Queen's Gambit Declined
782
D37
Queen's Gambit Declined
3,895
D38
Queen's Gambit Declined
3,463
D39
Queen's Gambit Declined
57
D40
Queen's Gambit Declined
1,260
D41
Queen's Gambit Declined
249
D42
Queen's Gambit Declined
114
D43
Semi-Slav Defense
2,560
D44
Semi-Slav Defense Accepted
1,925
D45
Semi-Slav Defense
1,288
D46
Semi-Slav Defense
311
D47
Semi-Slav Defense
10
D48
Semi-Slav Defense
9
D49
Semi-Slav Defense
D50
Queen's Gambit Declined
913
D51
Queen's Gambit Declined
264
D52
Queen's Gambit Declined
892
D53
Queen's Gambit Declined
2,306
D54
Queen's Gambit Declined
3
D55
Queen's Gambit Declined
864
D56
Queen's Gambit Declined
17
D57
Queen's Gambit Declined
39
D58
Queen's Gambit Declined
176
D59
Queen's Gambit Declined
28
D60
Queen's Gambit Declined
436
D61
Queen's Gambit Declined
155
D62
Queen's Gambit Declined
8
D63
Queen's Gambit Declined
118
D64
Queen's Gambit Declined
34
D65
Queen's Gambit Declined
D66
Queen's Gambit Declined
68
D67
Queen's Gambit Declined
10
D68
Queen's Gambit Declined
1
D69
Queen's Gambit Declined
D70
Neo-Grünfeld Defense
222
D71
Neo-Grünfeld Defense
D72
Neo-Grünfeld Defense
108
D73
Neo-Grünfeld Defense
178
D74
Neo-Grünfeld Defense
3
D75
Neo-Grünfeld Defense
21
D76
Neo-Grünfeld Defense
12
D77
Neo-Grünfeld Defense
6
D78
Neo-Grünfeld Defense
793
D79
Neo-Grünfeld Defense
492
D80
Grünfeld Defense
555
D81
Grünfeld Defense
13
D82
Grünfeld Defense
389
D83
Grünfeld Defense
34
D84
Grünfeld Defense
4
D85
Grünfeld Defense
1,397
D86
Grünfeld Defense
134
D87
Grünfeld Defense
172
D88
Grünfeld Defense
32
D89
Grünfeld Defense
3
D90
Grünfeld Defense
272
D91
Grünfeld Defense
651
D92
Grünfeld Defense
133
D93
Grünfeld Defense
184
D94
Grünfeld Defense
1,270
D95
Grünfeld Defense
17
D96
Grünfeld Defense
108
D97
Grünfeld Defense
102
D98
Grünfeld Defense
4
D99
Grünfeld Defense
2
E00
Catalan Opening
3,568
E01
Catalan Opening
927
E02
Catalan Opening
44
E03
Catalan Opening
1
E04
Catalan Opening
907
E05
Catalan Opening
564
E06
Catalan Opening
1,227
E07
Catalan Opening
489
E08
Catalan Opening
149
E09
Catalan Opening
183
E10
Indian Defense
667
E11
Bogo-Indian Defense
1,474
E12
Queen's Indian Defense
1,369
E13
Queen's Indian Defense
67
E14
Queen's Indian Defense
793
E15
Queen's Indian Defense
795
E16
Queen's Indian Defense
380
E17
Queen's Indian Defense
517
E18
Queen's Indian Defense
623
E19
Queen's Indian Defense
100
E20
Nimzo-Indian Defense
1,890
E21
Nimzo-Indian Defense
1,419
E22
Nimzo-Indian Defense
132
E23
Nimzo-Indian Defense
6
E24
Nimzo-Indian Defense
243
E25
Nimzo-Indian Defense
16
E26
Nimzo-Indian Defense
47
E27
Nimzo-Indian Defense
62
E28
Nimzo-Indian Defense
37
E29
Nimzo-Indian Defense
21
E30
Nimzo-Indian Defense
455
E31
Nimzo-Indian Defense
8
E32
Nimzo-Indian Defense
949
E33
Nimzo-Indian Defense
108
E34
Nimzo-Indian Defense
411
E35
Nimzo-Indian Defense
E36
Nimzo-Indian Defense
107
E37
Nimzo-Indian Defense
8
E38
Nimzo-Indian Defense
161
E39
Nimzo-Indian Defense
67
E40
Nimzo-Indian Defense
452
E41
Nimzo-Indian Defense
86
E42
Nimzo-Indian Defense
36
E43
Nimzo-Indian Defense
401
E44
Nimzo-Indian Defense
90
E45
Nimzo-Indian Defense
34
E46
Nimzo-Indian Defense
413
E47
Nimzo-Indian Defense
106
E48
Nimzo-Indian Defense
212
E49
Nimzo-Indian Defense
127
E50
Nimzo-Indian Defense
61
E51
Nimzo-Indian Defense
218
E52
Nimzo-Indian Defense
59
E53
Nimzo-Indian Defense
47
E54
Nimzo-Indian Defense
43
E55
Nimzo-Indian Defense
6
E56
Nimzo-Indian Defense
62
E57
Nimzo-Indian Defense
18
E58
Nimzo-Indian Defense
8
E59
Nimzo-Indian Defense
E60
Indian Defense
3,436
E61
King's Indian Defense
7,095
E62
King's Indian Defense
1,350
E63
King's Indian Defense
239
E64
King's Indian Defense
973
E65
King's Indian Defense
218
E66
King's Indian Defense
98
E67
King's Indian Defense
710
E68
King's Indian Defense
702
E69
King's Indian Defense
92
E70
King's Indian Defense
1,981
E71
King's Indian Defense
632
E72
King's Indian Defense
99
E73
King's Indian Defense
982
E74
King's Indian Defense
51
E75
King's Indian Defense
46
E76
King's Indian Defense
980
E77
King's Indian Defense
67
E78
King's Indian Defense
7
E79
King's Indian Defense
E80
King's Indian Defense
143
E81
King's Indian Defense
926
E82
King's Indian Defense
43
E83
King's Indian Defense
118
E84
King's Indian Defense
14
E85
King's Indian Defense
137
E86
King's Indian Defense
23
E87
King's Indian Defense
103
E88
King's Indian Defense
E89
King's Indian Defense
7
E90
King's Indian Defense
4,428
E91
King's Indian Defense
1,607
E92
King's Indian Defense
635
E93
King's Indian Defense
24
E94
King's Indian Defense
1,350
E95
King's Indian Defense
48
E96
King's Indian Defense
11
E97
King's Indian Defense
483
E98
King's Indian Defense
67
E99
King's Indian Defense
43