To be honest, don't use TKO. Solo Player and I had a recent private discussion about the performance between TKO, KO-Preferred, and Hi-Lo because I was once a TKO user. He ran a sim for me of those three along with Halves and Zen (both irrelevant).
Sim: 6D, H17, DAS, RSA, LS, 4.5/6 cutoff...