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Eco Code C00-C99

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ECO Opening Name MOVES (Algebraic System)
   
C00-C09 French defense 1.e4-e6
  Others (C00) 2.Others
  2.d4-d5 variation (C01-C09) 2.d4-d5
   
C10-C19 French defense: Paulsen 1.e4-e6; 2.d4-d5; 3.Nc3
  variation  
  Others (C10) 3...Others
  3...Nf6 variation (C11-C14) 3...Nf6
  Winawer variation (C15-C19) 3...Bb4
   
C20-C29 King's pawn game 1.e4-e5
  Others (C20) 2.Others
  Centre game (C21-C22) 2.d4
  Bishop's opening (C22-C23) 2.Bc4
  Vienna game (C24-C29) 2.Nc3
   
C30-C39 King's gambit 1.e4-e5; 2.f4
  Others (C30) 2...Others
  Declined, Falkbeer (C31-C32) 2...d5
  Accepted (C33-C39) 2...exf4
   
C40-C49 King's knight opening 1.e4-e5; 2.Nf3
  Others (C40) 2...Others
  Philidor's defense (C41) 2...d6
  Petrov's defense (C42-C43) 2...Nf6
  2...Nc6 variation (C44-C49) 2...Nc6
   
C50-C59 King's pawn game 1.e4-e5; 2.Nf3-Nc6; 3.Bc4
  Others (C50) 3...Others
  3...Bc5 variation (C51-C54) 3...Bc5
  Two knights defense (C55-C59) 3...Nf6
   
C60-C69 Ruy Lopez (Spanish) 1.e4-e5; 2.Nf3-Nc6; 3.Bb5
  Others (C60) 3...Others
  Bird's defense (C61) 3...Nd4
  Old Steinitz defense (C62) 3...d6
  Schliemann defense (C63) 3...f5
  Classical (Cordel) defense (C64) 3...Bc5
  Berlin defense (C65-C67) 3...Nf6
  Exchange variation (C68-C69) 3...a6; 4.Bxc6
   
C70-C79 Ruy Lopez (Spanish) 1.e4-e5; 2.Nf3-Nc6; 3.Bb5-a6;
    4.Ba4
  Others (C70) 4...Others
  Modern Steinitz defense (C71-C76) 4...d6
  Morphy defense (C77-C79) 4...Nf6
   
C80-C89 Ruy Lopez (Spanish) 1.e4-e5; 2.Nf3-Nc6; 3.Bb5-a6;
    5.Ba4-Nf6; 6.0-0
  Open (Tarrasch) (C80-C83) 6...Ne4
  Closed defense (C84-C89) 6...Be7
   
C90-C99 Ruy Lopez: (Spanish) 1.e4-e5; 2.Nf3-Nc6; 3.Bb5-a6;
  Closed defense 4.Ba4-Nf6; 5.O-O-Be7; 6.Re1-b5;
  (with 8...d6) 7.Bb3-O-O; 8.c3-d6
  Others (C90) 9.Others
  9.d4 variation (C91) 9.d4
  9.h3 variation (C92-C99) 9.h3

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Super-Positional
 D35-A29-D41-E14
 C07-B06-B17-E18
Positional
 E15-D85-A30-D45
 B17-C42-E15-E12
Usual
 C42-B33-D30-B90
 E15-D27-C42-D20
Attack
 C42-E12-C92-E15
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Super-Attack
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