Sadler: Study Chess with Mathew SadlerMatthew Sadler is one of the UK's strongest ever players. He became a grandmaster at 19, won the British Championship twice and, amongst other amazing achievements, made a gold medal winning score of 10. 5 13 on board four for England in the 1996 chess Olympiad. In 2000 Matthew quit full time chess. However, he re emerged ten years later in 2010 to play a rapidplay tournament in Wageningen, Holland which he promptly won with 7 7. In 2011 he played in