碁 [－]

Jyutping kei2
Pinyin qí

Definitions (粵典–words.hk)
  1. 語素
    棋​嘅​異​體​字​，​專指​同圍​棋有​關​嘅​嘢
    a different glyph for the word 棋(kei2 "chess") that is used specially for things pertaining to Go

碁 [－]

Jyutping kei4
Pinyin qí

Definitions (CC-CANTO)
  1. chess/chess-like game/a game of chess M: 盘pán [盘]/chess piece M: 个gè [个] / 颗kē [颗]
Definitions (粵典–words.hk)
  1. 語素
    棋​嘅​異​體​字​，​專指​同圍​棋有​關​嘅​嘢
    a different glyph for the word 棋(kei2 "chess") that is used specially for things pertaining to Go

碁 [－]

Jyutping gei1
Pinyin qí

Definitions (CC-CANTO)
  1. part of a place name
Definitions (Unihan)
  1. chess
  2. any game similar to chess
  3. Cangjie Input
    TCMR

碁 [棋]

Jyutping
Pinyin qí

Definitions (CC-CEDICT)
  1. variant of 棋[qi2]