link to koshiwaza: here
Beginning Judoka - White Belts: Kesa Gatame
Rokyu - Yellow Belts: Kuzure Kesa Gatame
Gokyu: - Orange Belts: Yokoshiho Gatame / Kuzure Yokoshiho Gatame / Kuzure Kamishiho Gatame
Yonkyu - Green Belts: Uki Gatame
Sankyu - Brown Belts: Sangaku Gatame
Nikyu - Brown Belts: Ude Gatame
Iikyu - Brown Belts: Assitant Coaching / NCO techniques listed above