| Abbreviation | Definition |
|---|---|
| KBP | King's Bishop's Pawn |
| KBX | King's Bishop Takes .... ( Chess) |
| KCF | Kasparov Chess Foundation |
| KCRCC | Kansas City Regional Chess Council |
| KG | King's Gambit |
| KGA | King's Gambit Accepted |
| KGD | King's Gambit Declined |
| KKCC | Kings Knight Chess Club |
| KKCC | Kings Knight Chess Club, Jersey City, New Jersey |
| KN | King's Knight |
| KNP | King's Knight's Pawn |
| KP | King's Pawn |
| KR | King's Rook |
| KRP | King, Rook, Pawn |
| KRP | King's Rook's Pawn |
| KRXB | King's Rook takes Bishop |
| KSCBA | Kerala State Chess Boxing Association |
| KXB | King Takes Bishop |
| KXN | King Takes Knight |
| KXP | King Takes Pawn |