[Event "Nederlands Kampioenschap Algemeen KNDB 2013"]
[Site ""]
[White "Boomstra, Roel"]
[Black "Aalberts, Bert"]
[Result "1-1"]
[GameType "20"]
[GameType "20"]
[Round "13"]
[Date "2021.06.05"]
[WhiteTime ""]
[BlackTime ""]
[TimeControl "4800+60"]
[WhiteUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/3881.jpg"]
[BlackUrl "http://toernooibase.kndb.nl/Afbeeldingen/Spelers/1638.jpg"]
[WhiteTitle "GMI"]
[BlackTitle "MF"]
[WhiteRating "2333"]
[BlackRating "2201"]
[DamboTopLine "Nederlands Kampioenschap Algemeen KNDB 2020 Round 13"]
[DamboBottomLine "Sipma, Wouter - Tjon A Ong, Andrew 1-1"]
[FEN "B:W26,27,28,31,32,36,38,39,42,43,44,45,47,48,49,50:B1,3,6,7,8,9,11,13,14,15,16,17,18,19,20,23"] 18. ... 07-12