[Retros] Add units, 20th update
abrobecker at yahoo.com
Sun Jul 17 13:43:01 EDT 2011
Dear retro friends,
Problems modified are 2A, 1KA, 1QA, 1BA, 1NA
Problem added is 6A
Problem removed is N1QAi
Michel also gave 3A, 4A, 5A problems but i'm
not sure i'll include them. Maybe it's best to
keep only "add 1", "add 2" and "add max" problems.
Note that 5A & 6A (or 9C and 12C) are not in the
same category since 5A has no promoted piece.
More information about the Retros