From this battle:
http://www.smogon.com/forums/showthread.php?t=3467869
I get 2 CC.
1 + 2 = 3 CC.
Leaf the Turtwig gets 1 EC, 2 MC, 1 DC and 1 KOC.
With Leaf's MC and KOC, she learns Synthesis, Giga Drain and Leech Seed.
2 - 2 = 0 MC
1 - 1 = 0 KOC
With my CC, I buy a Murkrow:
3 - 3 = 0 CC...