Chicken Big Mamou On Pasta

• 1 dry
• 1 rich stock
• 1/2 stock
• 1/2 sticks of the butter
• 1/2 near the end of cooking time
• 5,700 ml water (hot)
• 3,800 ml saucepan
• 525 gr chicken (boneless)
• 750 ml rich chicken stock
• 475 ml strained basic stock