{"product_id":"triangle-system-isbn-9781857446449","title":"Triangle System","description":"\u003cb\u003eRuslan Scherbakov\u003c\/b\u003e is a Grandmaster and a former Russian Junior Champion. He has more than 20 years of training experience, has worked with many leading young players and since 2005 has been coaching Olympic and two-time European Champion Kateryna Lahno. He is a renowned opening theoretician and a regular columnist at Chesspublishing.com.","brand":"Everyman Chess","offers":[{"title":"Default Title","offer_id":48684351520997,"sku":"NP9781857446449","price":29.95,"currency_code":"USD","in_stock":false}],"url":"https:\/\/k12savings.com\/es\/products\/triangle-system-isbn-9781857446449","provider":"K12savings","version":"1.0","type":"link"}