IM Guillaume Sermier Full name Guillaume Sermier Born 1978 (age 48) Place of birth Federation Switzerland Profiles # World Ranking 2285 Classical 2362 Rapid 2398 Blitz Bio Most Played Openings White Pieces Queen's Gambit Declined: Catalan Opening (6 games) Modern Defense: Standard Line (6 games) Sicilian Defense: Open, Pelikán and Sveshnikov, Chelyabinsk Variation (5 games) English Opening: Symmetrical, Anti-Benoni Variation (4 games) Sicilian Defense: Open, Classical, Richter-Rauzer Variation (4 games) Black Pieces Slav Defense (7 games) Queen's Gambit Declined: Baltic Defense (6 games) French Defense: Advance, Paulsen, Euwe Variation (6 games) Sicilian Defense: Canal Attack (5 games) Slav Defense: Modern, Triangle System (5 games) Games Players Result Moves Year Guillaume Sermier (2300) Anthony Petkidis (2452) ½-½ 31 2026 Guillaume Sermier (2356) Ali Habibi (2222) 1-0 43 2019 Guillaume Sermier (2356) Markus Ragger (2696) 0-1 43 2019 Guillaume Sermier (2356) Christian Bauer (2654) ½-½ 56 2019 Guillaume Sermier (2356) Jean Netzer (2401) ½-½ 26 2019 Guillaume Sermier (2356) Michael Prusikin (2523) ½-½ 42 2019 Guillaume Sermier (2356) Evgeny Degtiarev (2387) ½-½ 31 2019 Guillaume Sermier (2356) Dennis Kaczmarczyk (2423) ½-½ 31 2019 Robert Fontaine (2554) Guillaume Sermier (2356) 1-0 26 2019 Mart Kraemer (2586) Guillaume Sermier (2356) ½-½ 45 2019 Show All Games