[Retros] Retro_snippets_001 - Schnoebelen Promotion

[Joost de Heer]

Pastmaker at aol.com wrote:

> 

> in assessing Ceriani's conclusion,  was distinction made between things 

> accomplished in a proof game context and things accomplished in an 

> orthodox retro context?


In Ceriani's time, exact proofgames were virtually unknown, weren't they?

Joost