ESCO Catalog Index
The ESCO (Esoteric Chess Openings) Catalog provides names for strange or interesting positions currently not having an ECO code (at last as far as the ESCO Committee knows :p). This is simply for entertainment. However, these positions have been checked using engines and the proposed lines and positions are at least fairly equal according to engines. Thus, all these positions and lines should actually be playable. If a position or line is dubious (but might set up a trap) it is marked with an asteriks.
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English Opening related positions.1
Bongcloud Attack related positions.2
Englund Gambit* related positions.X
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Caro-Kann Defense related positions.1
French Defense related positions.2
Bird Opening related positions.3
Vienna Game related positions.4
Russian Game related positions.5
Van't Kruijs Opening related positions.6
Mieses Opening related positions.- X60: Canadian Game
- X61: Alaska Gambit
- X62: Mieses Opening: Two Bishops Variation
- X63: Mieses Opening: Canadian Variation
- X64: Mieses Opening: Fen Binegold Variation
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Nimzo-Larsen Attack related positions.8
Queen's Pawn Game related positions.9
King's Pawn Game related positions.- X90: King's Pawn Game: Derick Rosen System
- X91: King's Pawn Game: Garry Chess System
- X92: King's Pawn Game: The Turtle