Opposition et cases conjuguées sont réconciliées
By: par Duchamp et Halberstadt = Opposition und Schwesterfelder sind versöhnt / durch Duchamp et Halberstadt = Opposition and sister squares are reconciled / by Duchamp et Halberstadt
Publisher: L'Echiquier
Published: 1932
Place of publication: Paris
Language: fre; eng; ger
Number of pages: 219
Subjects: Chess; End games
Other titles: Opposition and sister squares are reconciled.; Opposition und Schwesterfelder sind versöhnt.
Notes: Text in English, French, and German, in parallel columns.

Errata slip inserted; 2nd errata slip affixed to inside of back cover.