[ame="http://www.amazon.com/Wusthof-Classic-6-Inch-Flexible-Boning/dp/B00005NANS/ref=sr_1_1?ie=UTF8&qid=1379383103&sr=8-1&keywords=wusthof+6-inch+boning+knife"]This [/ame]is my go to knife for chicken.
I find a cleaver does the best job on chicken. I use this bad boy:
[ame="http://www.amazon.com/gp/aw/d/B001505OT6/ref=mp_s_a_1_5?qid=1379384940&sr=8-5&pi=AC_SX110_SY165"]Dexter Russell 9" stainless steel heavy duty cleaver:Amazon:Kitchen & Dining[/ame]
Got me one of these, handles like dream
[ame="http://www.amazon.co.uk/Global-Santoku-Knife-FLUTED-G-48-18cm/dp/B000SU36YY/ref=sr_1_2?ie=UTF8&qid=1379396359&sr=8-2&keywords=G-48+global"]mmm... Sharp![/ame]