FM Matiss Mustaps (matiss90) - Chess Profile - Chess.com
FM Matiss Mustaps (matiss90) - Chess Profile - Chess.com
ChessAbc - Lupulescu, Constantin Chess Player Profile
New Chess Brains - Deutscher Schachbund - Schach in Deutschland
Azarov, Sergei
Kovalenko wins the Keres Memorial - ACP Open | ChessBase
Latvijas Šaha Federācija
Profile of Kovalenko, Igor | Chess ABC
3059 Performance For Ivanchuk at Latvian Railway Open - Chess.com
Mustaps, Matiss
Chess Daily News by Susan Polgar - Andreikin wins European Blitz Championship by 1.5 point
Igor Kovalenko and Katrina Skinke are new Latvian champions – Chessdom
New Chess Brains - Deutscher Schachbund - Schach in Deutschland
Vladimir Petrov Memorial 2015 | The Week in Chess
The first Dice Chess tournament was held at the Riga Chess School (RCS) - Dice Chess
Matiss Mustaps player profile - ChessBase Players
