International Master Vitaly Neimer shows two games where pawns were doubled and even tripled. Learn to avoid weakening your structures.
2018.03.22
Lev Polugaevsky vs Yuri Dokhoian, Belgrade GMA op (1988): E16 Queen’s Indian, Capablanca variation
http://www.chessgames.com/perl/chessgame?gid=1112625
Nigel Short vs Jan Timman, Interpolis 15th (1991): B04 Alekhine’s defence, modern, fianchetto variation
http://www.chessgames.com/perl/chessgame?gid=1124533