ECO codes
The Encyclopaedia of Chess Openings sorts every opening into 500 codes, from A00 to E99. These are the codes with videos so far.
A00–A99 Flank openings, English and Dutch
Coming soonB00–B99 Sicilian, Caro-Kann, Pirc and more
40 codes- B271 video
- B305 videos
- B316 videos
- B322 videos
- B337 videos
- B352 videos
- B361 video
- B381 video
- B411 video
- B422 videos
- B432 videos
- B441 video
- B452 videos
- B461 video
- B472 videos
- B484 videos
- B512 videos
- B521 video
- B571 video
- B581 video
- B601 video
- B632 videos
- B661 video
- B672 videos
- B701 video
- B761 video
- B782 videos
- B801 video
- B811 video
- B841 video
- B871 video
- B891 video
- B9011 videos
- B911 video
- B923 videos
- B931 video
- B941 video
- B963 videos
- B971 video
- B991 video
C00–C99 Open Games and the French
44 codes- C242 videos
- C251 video
- C261 video
- C281 video
- C291 video
- C341 video
- C415 videos
- C428 videos
- C431 video
- C441 video
- C457 videos
- C473 videos
- C482 videos
- C491 video
- C505 videos
- C511 video
- C521 video
- C531 video
- C546 videos
- C555 videos
- C582 videos
- C591 video
- C601 video
- C631 video
- C654 videos
- C676 videos
- C681 video
- C692 videos
- C721 video
- C771 video
- C784 videos
- C801 video
- C821 video
- C831 video
- C842 videos
- C851 video
- C861 video
- C883 videos
- C894 videos
- C901 video
- C911 video
- C922 videos
- C952 videos
- C963 videos