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NIC-Key,
a system of classification for chess openings, variations and subvariations by NICBase, New In Chess. Instead of the abstract ECO codes like 'A' to 'E', the openings are given lettercombinations that follow directly from the descriptive opening names, like 'SI" for the Sicilian Defence and 'KI' for the King's Indian Defence. Variations and subvariations are given numbercombinations that enable it to give every sub(sub)variation a unique code. The NIC-Key has been used internationally since 1984 and according to the NIC-site, is still evolving 1 .
Contents
Main Keys
NIC |
Opening |
Moves |
ECO |
|---|---|---|---|
AL |
1.e4 Nf6 |
B02–B05 |
|
BI |
1.d4 Nf6 2.c4 c5 3.d5 |
A56–A79 |
|
CA |
1.d4 Nf6 2.c4 e6 3.g3 |
E00–E09 |
|
CK |
1.e4 c6 |
B10–B19 |
|
EO |
1.c4 |
A10-A39 |
|
FR |
1.e4 e6 |
C00–C19 |
|
GI |
1.d4 Nf6 2.c4 g6 3.Nc3 d5 |
D70–D99 |
|
HD |
1.d4 f5 |
A80–A99 |
|
IG |
1.e4 e5 2.Nf3 Nc6 3.Bc4 |
C50–C59 |
|
1.e4 e5 2.Bc4 |
C23–C24 |
||
KF |
1.e4 g6 |
B06 |
|
KG |
1.e4 e5 2.f4 |
C30–C39 |
|
KI |
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 |
E70–E99 |
|
KP |
1.e4 e5 |
C20–C22 |
|
NI |
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 |
E20–E59 |
|
OI |
1.d4 Nf6 2.c4 d6 |
A53–A55 |
|
PU |
1.e4 d6 |
B07–B09 |
|
QG |
1.d4 d5 2.c4 dxc4 |
D20–D29 |
|
QI |
1.d4 Nf6 2.c4 e6 3.Nf3 b6 |
E12–E19 |
|
QO |
1.d4 d5 2.c4 e6 |
D30–D69 |
|
QP |
1.d4 Nf6 |
A45–A52 |
|
1.d4 d5 |
D00–D09 |
||
1.d4 |
A40–A44 |
||
RE |
1.Nf3 (d5 2.c4) |
A09 |
|
RG |
1.e4 e5 2.Nf3 Nf6 |
C42–C43 |
|
RL |
1.e4 e5 2.Nf3 Nc6 3.Bb5 |
C60–C99 |
|
SD |
1.e4 d5 |
B01 |
|
SI |
1.e4 c5 |
B20–B99 |
|
SL |
1.d4 d5 2.c4 c6 |
D10–D19 |
|
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 |
D43–D49 |
||
SO |
1.e4 e5 2.Nf3 Nc6 3.d4 |
C44–C45 |
|
TD |
1.d4 d5 2.c4 e6 (3.Nc3 c5) |
D32–D35 |
|
VG |
1.e4 e5 2.Nc3 |
C25–C29 |
|
VO |
Various Openings |
1.e4 |
B00 |
A00–A08 |
See also
External Links
- New In Chess - Support | NICBase Online Help - What is the NIC-Key? (no longer available)
- New In Chess detailed code list
- List of chess openings from Wikipedia
- NIC-Schlüssel - Wikipedia.de (German)
- Chess Programming - CleanPGN by Hugh S. Myers