Chess Terms Beginning with 'I'

ICC
ICCF
Icelandic Gambit
ICS
ideal mate
illegal move
Illegal position
Ilyin-Zhenevsky Variation
IM
IM norm
Imbalance
imbalances
Immortal game
Improvement
In-between move
inaccuracy
increment
Indian 2.Nc3
Indian Defence
Indian Defence with e6, Nf3
Indian Defence, Knights Variation
Indian Defences
Indian Defense
Indian Defense: Anti-Grünfeld, Advance Variation
Indian Defense: Anti-Grünfeld, Alekhine Variation
Indian Defense: Anti-Grünfeld, Basman-Williams Attack
Indian Defense: Anti-Nimzo-Indian
Indian Defense: Budapest Defense
Indian Defense: Budapest Defense, Adler Variation
Indian Defense: Budapest Defense, Alekhine Variation
Indian Defense: Budapest Defense, Fajarowicz-Steiner Variation
Indian Defense: Czech-Indian
Indian Defense: Dzindzi-Indian Defense
Indian Defense: Gibbins-Weidenhagen Gambit
Indian Defense: Gibbins-Weidenhagen Gambit Accepted
Indian Defense: Knights Variation
Indian Defense: London System
Indian Defense: Normal Variation
Indian Defense: Omega Gambit
Indian Defense: Paleface Attack, Blackmar-Diemer Gambit Deferred
Indian Defense: Pawn Push Variation
Indian Defense: Polish Variation
Indian Defense: Przepiorka Variation
Indian Defense: Pseudo-Benko
Indian Defense: Reversed Chigorin Defense
Indian Defense: Schnepper Gambit
Indian Defense: Seirawan Attack
Indian Defense: Spielmann-Indian
Indian Defense: Tartakower Attack
Indian Defense: Wade-Tartakower Defense
Indian Defense: West Indian Defense
Indian Game
Indian Game - Knights Variation
Indian Game Accelerated Variation
Indian Game Black Knights Tango
Indian Game Canard Variation
Indian Game Czech Indian Variation
Indian Game Deferred Blackmar Diemer Gambit
Indian Game Deferred Blackmar Diemer Kraus Muhlherr Countergambit
Indian Game East Indian Anti Nimzo Indian Dzindzi Indian Defense
Indian Game East Indian Anti Nimzo Indian Variation
Indian Game East Indian Benoni Defense
Indian Game East Indian Colle Grunfeld Formation
Indian Game East Indian Colle System
Indian Game East Indian Defense
Indian Game East Indian Devin Gambit
Indian Game East Indian London System
Indian Game East Indian Przepiorka Variation
Indian Game East Indian Seirawan Attack
Indian Game Fantasy Gedult Attack
Indian Game Fantasy Variation
Indian Game Knight's Variation
Indian Game Knights Variation
Indian Game Knights Variation East Indian Defense
Indian Game London System
Indian Game Marienbad System
Indian Game Omega Gambit
Indian Game Pawn Push Variation
Indian Game Polish Variation
Indian Game Slav Indian Defense
Indian Game Spielmann Indian Pseudo Benko Variation
Indian Game Spielmann Indian Variation
Indian Game Tartakower Attack
Indian Game Tartakower Defense
Indian Game with c3 and e6
Indian Game Yusupov Rubinstein System
Indian Game-2.e3-e6
Indian-Game-Black-Knights-Tango-3.d5-Ne5
Indian-Game-East-Indian-Seirawan-Attack
Indian: 1.d4 Nf6 2.Nf3 e6 3.e3 c5
Indian: 1.d4 Nf6 2.Nf3 e6 3.e3 c5 4.Bd3
Indian: 1.d4 Nf6 2.Nf3 e6 3.g3
Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 b5
Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 b5 4.Bg2 Bb7 5.O-O
Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 c5
Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 cxd4
Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 Nc6
Indian: 2.Bf4
Indian: 2.c3
Indian: 2.c3 g6
Indian: 2.c3 g6 3.Bg5
Indian: 2.c4 a6
Indian: 2.e3
Indian: 2.e3 e6
Indian: 2.e3 g6
Indian: 2.g3 c5
Indian: 2.g3 g6
Indian: 2.Nc3
Indian: 2.Nd2
Indian: 2.Nf3 d6 3.Bg5
Indian: 2.Nf3 d6 3.Bg5 Nbd7
Indian: 2.Nf3 d6 3.g3
Indian: 2.Nf3 e6
Indian: 2.Nf3 e6 3.c3
Indian: London, 3...c5 4.e3
Indian: London, 3...c5 4.e3 Qb6
Indian: Mexican Defence, 3.Nc3
Indian: Mexican Defence, 3.Nf3 d6
Indian: Mexican Defence, 3.Nf3 e6
Indian: Mexican Defence, 3.Nf3 e6 4.a3
Indian: Mexican Defence, 3.Nf3 e6 4.Nc3
Indian: Queen's Indian Accelerated
Indian: Slav-Indian, 3.Nc3
Indian: Slav-Indian, 3.Nf3
infiltration
Infinite chess
Informant
Informant symbols
iniciativa
initiative
insufficient material
insufficient mating material
Interesting
interference
Interference sacrifice
Intermediate move
intermezzo
International
International Arbiter
international master
International Organizer
Internet Chess Server
Interposition
Interzonal
Intuitive sacrifice
Invitational
IQP
Irish Gambit Accepted
Irregular
Irregular Opening
Irregular Openings
Irregular_Openings
isolani
isolated
isolated pawn
Isolated Queen's Pawn
Isolated queen's pawn (IQP)
Isolated Queen’s Pawn
Isolated Queen’s Pawn (IQP)
Isolated Queen's Pawn
Isolated Queen's Pawn (IQP)
Isolated Queen’s Pawn
isolated_pawn
Isolated_Queen's_Pawn
Isolated Queen’s Pawn
IsolatedPawn
IsolatedQueenPawn
Italian
Italian Gambit
Italian Game
Italian Game Anti Fried Liver Defense
Italian Game Blackburne Shilling Gambit
Italian Game Fried Liver Attack
Italian Game Fried Liver Fegatello Attack Polerio Defense
Italian Game Hungarian Defense
Italian Game Hungarian Tartakower Variation
Italian Game Knight Attack
Italian Game Knight Attack Fritz Variation
Italian Game Knight Attack Normal Variation
Italian Game Knight Attack Polerio Bishop Check Bogoljubov Blackburne Variation
Italian Game Knight Attack Polerio Bishop Check Bogoljubov Colman Variation
Italian Game Knight Attack Polerio Bishop Check Bogoljubov Variation
Italian Game Knight Attack Polerio Bishop Check Line
Italian Game Knight Attack Polerio Bishop Check Suhle Defense
Italian Game Knight Attack Polerio Bishop Check Suhle Steinitz Variation
Italian Game Knight Attack Polerio Defense
Italian Game Knight Attack Polerio Kieseritzky Variation
Italian Game Knight Attack Ponziani Steinitz Gambit
Italian Game Knight Attack Ulvestad Variation
Italian Game Rousseau Gambit
Italian Game Traxler Bishop Sacrifice Line
Italian Game Traxler Counterattack
Italian Game Traxler Knight Sacrifice King March Line
Italian Game Traxler Knight Sacrifice Line
Italian Game Two Knights Defense
Italian Game Two Knights Modern Bishops Opening
Italian Game Two Knights Open
Italian Game, Hungarian Defence
Italian Game, Two Knights Defense
Italian Game: Anti-Fried Liver Defense
Italian Game: Bird's Attack
Italian Game: Blackburne-Kostić Gambit
Italian Game: Classical Variation
Italian Game: Classical Variation, Albin Gambit
Italian Game: Classical Variation, Center Attack
Italian Game: Classical Variation, Ghulam-Kassim Variation
Italian Game: Classical Variation, Giuoco Pianissimo
Italian Game: Classical Variation, Giuoco Pianissimo, with a6
Italian Game: Classical Variation, Giuoco Pianissimo, with d6
Italian Game: Classical Variation, Giuoco Pianissimo, with h6
Italian Game: Classical Variation, Greco Gambit, Main Line
Italian Game: Classical Variation, Greco Gambit, Moeller-Therkatz Attack
Italian Game: Classical Variation, Greco Gambit, Traditional Line
Italian Game: Classical Variation, La Bourdonnais Variation
Italian Game: Deutz Gambit
Italian Game: Evans Gambit Accepted
Italian Game: Evans Gambit Declined
Italian Game: Evans Gambit Declined, Showalter Variation
Italian Game: Evans Gambit, Anderssen Variation, Cordel Line
Italian Game: Evans Gambit, Bronstein Defense
Italian Game: Evans Gambit, Compromised Defense
Italian Game: Evans Gambit, Laroche Variation
Italian Game: Evans Gambit, McDonnell Defense
Italian Game: Evans Gambit, Mieses Defense
Italian Game: Evans Gambit, Pierce Defense
Italian Game: Evans Gambit, Tartakower Attack
Italian Game: Evans Gambit, Waller Attack
Italian Game: Giuoco Pianissimo
Italian Game: Giuoco Pianissimo, Normal
Italian Game: Giuoco Piano
Italian Game: Giuoco Piano, Greco's Attack
Italian Game: Hungarian Defense
Italian Game: Jerome Gambit
Italian Game: Knight Attack Normal Variation
Italian Game: Paris Defense
Italian Game: Rosentreter Gambit
Italian Game: Rousseau Gambit
Italian Game: Schilling-Kostic Gambit
Italian Game: Scotch Gambit Declined, 3. Bc4 Nf6 4. d4 Bd6
Italian Game: Scotch Gambit, Anderssen Attack
Italian Game: Scotch Gambit, de Riviere Defense
Italian Game: Scotch Gambit, Nakhmanson Gambit
Italian Game: Scotch Gambit, Walbrodt-Baird Gambit
Italian Game: Two Knights
Italian Game: Two Knights Defense
Italian Game: Two Knights Defense, Fegatello Attack
Italian Game: Two Knights Defense, Fegatello Attack, Leonhardt Variation
Italian Game: Two Knights Defense, Fritz Variation
Italian Game: Two Knights Defense, Knight Attack
Italian Game: Two Knights Defense, Knight Attack, Normal Variation
Italian Game: Two Knights Defense, Knorre Variation
Italian Game: Two Knights Defense, Lolli Attack
Italian Game: Two Knights Defense, Modern Bishop's Opening
Italian Game: Two Knights Defense, Open Variation
Italian Game: Two Knights Defense, Polerio Defense
Italian Game: Two Knights Defense, Polerio Defense, Bogoljubow Variation
Italian Game: Two Knights Defense, Polerio Defense, Kieseritzky Variation
Italian Game: Two Knights Defense, Ponziani-Steinitz Gambit
Italian Game: Two Knights Defense, Steinitz Variation
Italian Game: Two Knights Defense, Traxler Counterattack
Italian Game: Two Knights Defense, Traxler Counterattack, Bishop Sacrifice Line
Italian Game: Two Knights Defense, Traxler Counterattack, Knight Sacrifice Line
Italian Game: Two Knights Defense, Ulvestad Variation
Italian Opening
Italian-Game-Hungarian-Defense
Italian: Blackburne-Shilling Gambit
Italian: Hungarian Defence, 4.d4 d6
Italian Game
Iterative
iterative deepening
Last updated 2025-11-09