|Full name||Michael Roiz|
|Born||12 October 1983|
|FIDE rating||2605 (December 2018) |
(No. 102 in the January 2012 FIDE World Rankings)
|Peak rating||2680 (July 2008)|
He learned to play chess at the age of 7. At the age of 9, he finished 2nd in the national championship under-10 category. In 1995 he moved to Israel, becoming an IM in 1999 at the age of 16, and a GM in 2003.
His best tournament achievements since have been: 1–3 in Ashdod op 2004; 1–6 in Zürich op 2004; 2–4 with Mikhail Gurevich and Vitali Golod with 7/9 at the Saint Vincent op 2004; 3-5 with 8/10 at the Benasque op 2005; 1–2 with Suat Atalık at the Gorenje Valjevo Tournament 2007; 2–3 with Radosław Wojtaszek at Lublin op 2009.
He has won several blitz and rapid tournaments, such as Biel 2006. At the Gibraltar Masters in 2007, he shared 5th place in a very strong field, behind GMs Vladimir Akopian, Alexander Areshchenko, Hikaru Nakamura, and Emil Sutovsky. In the same year he tied for 1st–6th with Vitali Golod, Mateusz Bartel, Yuri Yakovich, Zahar Efimenko and Mikhail Kobalia in the 16th Monarch Assurance Isle of Man International tournament.
- FIDE title application materials: Israel Championship Finals 2002, Israel National League 2003
- Crowther, Mark (2007-06-25). "TWIC 659: Gorenje Valjevo Tournament". London Chess Center. Archived from the original on 18 March 2012. Retrieved 10 January 2010.
- Chessdom - Boris Grachev Wins at the 1st Lublin International Chess Tournament
- Crowther, Mark (2007-10-01). "TWIC 673: 16th Monarch Assurance Isle of Man". London Chess Center. Retrieved 21 May 2010.