Reko
I think the color-coded approach was for learning/memory purposes.
Below is Cacarulo's simplified "REKO" with no appreciable loss over KO-preferred. zg
------------------
Posted By: Cacarulo / Advantageplayer.com
Date: Thursday, 9 March 2006
REKO Indices: All set at +2 [except] TTv5/6 at +7
Enhanced REKO2: INS, 16vT, 15vT, 12v4, 12v3, 12v2, 11vA, 10vA, 10vT, 9v7, 8v6, 8v5, 9v2, A8v6, A8v5,S18vA, A2v5, A8v4, A4v4, A3v4, A7v2, A6v2