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Petrov - modern

1 • Erikmjaa •
  1. Main position
  2. 4.dxe5
  3. 4.Nxe5
  4. 4.exd5
  1. Erikmjaa

1. e4 e5 as black

1 • Erikmjaa •
  1. Main position
  1. Erikmjaa

Vienna

1 • Erikmjaa •
  1. Main position
  2. Nc6 lines
  3. Nf6 lines
  4. Other lines
  1. Erikmjaa

Dutch against reti

1 • Erikmjaa •
  1. Main position
  1. Erikmjaa

Ruy Lopez as black with f5

1 • Erikmjaa •
  1. Main position
  2. Move 4 blunders
  3. 4. d3
  1. Erikmjaa

English opening v2

1 • Erikmjaa •
  1. Chapter 1
  1. Erikmjaa

Giuoco Piano with Qe2

1 • Erikmjaa •
  1. Main position
  2. Non-Nf6/d6 lines
  3. Chapter 3
  1. Erikmjaa

Sicilian mengarini

1 • Erikmjaa •
  1. Main position
  2. 2. ...e6
  1. Erikmjaa

Albin countergambit

1 • Erikmjaa •
  1. Main position
  2. Other lines than 3. dxe5
  3. Lasker trap
  1. Erikmjaa

French defence chigorin variation

1 • Erikmjaa •
  1. Main position after 2. ... d5
  2. Other second moves
  3. 4. ... Qd8
  1. Erikmjaa

Orthoschnapp gambit accepted

1 • Erikmjaa •
  1. Main position
  2. Lines without 5. ... Qe7
  3. Qe7 lines
  1. Erikmjaa

Diemer-duhm gambit accepted

1 • Erikmjaa •
  1. Main position
  2. f5
  3. Bb4
  4. c5
  1. Erikmjaa

Sicilian Wing gambit

1 • Erikmjaa •
  1. Main position
  2. 3. ... bxa3
  3. 3. ...d5
  4. 3. ...e6
  1. Erikmjaa

Bishop's opening

1 • Erikmjaa •
  1. Main position
  2. Ponziani gambit with 3. ... exd4
  3. Ponziani gambit with 3. ... Nxe4
  4. 2. ... Bc5 (Lewis gambit)
  1. Erikmjaa

Urusov gambit accepted as black

1 • Erikmjaa •
  1. Main position
  2. 4. Nc3
  3. 4. O-O
  4. 4. Nxe5
  1. Erikmjaa

Spielmann Indian

1 • Erikmjaa •
  1. Main position
  2. 3. d5 (pseudo-Benko)
  3. 3. c3
  4. 3. e3
  1. Erikmjaa