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ECO Opening Name Position YOUR GAMES!!
   
 
C40 King's knight opening pos 1.e4-e5; 2.Nf3
  1) Gunderam defense
pos
2...Qe7
  2) Greco defense
pos
2...Qf6
  3) Damiano's defense
pos
2...f6
  4) Queen's pawn counter-gambit
pos
2...d5
  (elephant gambit)
 
  5) Latvian counter-gambit
pos
2...f5
  6) Rest in C40
Rest
   
 
C41 Philidor's defense pos 1.e4-e5; 2.Nf3-d6
  1) Steinitz variation
pos
3.Bc4-Be7; 4.c3
  2) Lopez counter-gambit
pos
3.Bc4-f5
  3) 3.d4 variation
pos
3.d4
  4) Rest in C41
Rest
 
C42 Petrov's defense pos 1.e4-e5; 2.Nf3-Nf6
  1) French attack
pos
3.Nxe5-d6; 4.Nf3-Nxe4; 5.d3
  2) Kaufmann attack
pos
3.Nxe5-d6; 4.Nf3-Nxe4; 5.c4
  3) Nimzovich attack
pos
3.Nxe5-d6; 4.Nf3-Nxe4; 5.Nc3
  4) Cozio (Lasker) attack
pos
3.Nxe5-d6; 4.Nf3-Nxe4; 5.Qe2
  5) Classical attack
pos
3.Nxe5-d6; 4.Nf3-Nxe4; 5.d4
  6) Cochrane gambit
pos
3.Nxe5-d6; 4.Nxf7
  7) Paulsen attack
pos
3.Nxe5-d6; 4.Nc4
  8) Damiano variation
pos
3.Nxe5-Nxe4
  9) Three knights game
pos
3.Nc3
  10) Italian variation
pos
3.Bc4
  11) Rest in C42
Rest
   
 
C43 Petrov: modern (Steinitz) pos 1.e4-e5; 2.Nf3-Nf6;
  attack
3.d4
  1) Main line
pos
3...exd4; 4.e5-Ne4; 5.Qxd4
  2) Steinitz variation
pos
3...exd4; 4.e5-Ne4; 5.Qe2
  3) Urusov gambit
pos
3...exd4; 4.Bc4
  4) Symmetrical variation
pos
3...Nxe4
  5) Rest in C43
Rest
   
 
C44 King's pawn game pos 1.e4-e5; 2.Nf3-Nc6
  1) Irish (Chicago) gambit
pos
3.Nxe5-Nxe5; 4.d4
  2) Konstantinopolsky opening
pos
3.g3
  3) Dresden opening
pos
3.c4
  4) Inverted Hungarian
pos
3.Be2
  5) Ponziani opening
pos
3.c3
  6) Scotch game
pos
3.d4
  7) Rest in C44
Rest
   
 
C45 Scotch game pos 1.e4-e5; 2.Nf3-Nc6;
   
3.d4-exd4;  4.Nxd4
  1) Ghulam Kassim variation
pos
4...Nxd4; 5.Qxd4-d6; 6.Bd3
  2) Pulling counter-attack
pos
4.Qh4
  3) Schmidt variation
pos
4...Nf6
  4) 4...Bc5 variation
pos
4...Bc5
  5) Rest in C45
Rest
   
 
C46 Three knights game pos 1.e4-e5; 2.Nf3-Nc6;
   
3.Nc3
  1) Schlechter variation
pos
3...Bb4; 4.Nd5-Nf6
  2) Winawer defense (Gothic
pos
3...f5
  defense) 
 
  3) Steinitz variation
pos
3...g6
  4) 3...Nf6 variation
pos
3...Nf6
  5) Rest in C46
Rest
   
 
C47 Four knights game: Scotch pos 1.e4-e5; 2.Nf3-Nc6;
  variation
3.Nc3-Nf6; 4.d4
  1) Krause variation
pos
4...Bb4; 5.Nxe5
  2) 4...exd4 variation
pos
4...exd4
  3) Rest in C47
Rest
   
 
C48 Four knights game: Spanish pos 1.e4-e5; 2.Nf3-Nc6;
  variation
3.Nc3-Nf6; 4.Bb5
  1) Ranken variation
pos
4...a6; 5.Bxc6
  2) Classical defense
pos
4...Bc5
  3) Rubinstein counter-gambit
pos
4...Nd4
  4) Rest in C48
Rest
   
 
C49 Four knights game: double pos 1.e4-e5; 2.Nf3-Nc6;
  Ruy Lopez
3.Nc3-Nf6; 4.Bb5-Bb4
  1) Gunsberg counter-attack
pos
5.O-O O-O; 6.Nd5-Nxd5;
   
7.exd5-e4
  2) 6.d3 variation
pos
5.O-O O-O; 6.d3
  3) Nimzovich (Paulsen) variation
pos
5.O-O O-O; 6.Bxc6
  4) Rest in C49
Rest

 

 

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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
 B90-B85-E92-E97
Super-Attack
 C92-C95-B88-B10
 B92-D41-A30-E61
 
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