news 0 A true “Game Changer” July 8, 2020 “Game Changer” wins the Averbakh-Boleslavsky Award 2019 The acclaimed book “Game Changer”, by Matthew Sadler […]
news 0 A rea July 8, 2020 “Game Changer” wins the Averbakh-Boleslavsky Award 2019 The acclaimed book “Game Changer”, by Matthew Sadler […]