Ignatz von Kolisch vs Adolf Anderssen
Anderssen - Kolisch London ENG round 3 1861.07.25
Sicilian Defense: Alapin Variation, Sherzer Variation 1-0

Ignatz von Kolisch vs Robert Steel
Simul Liverpool ENG 1861.??.??
Italian Game: Giuoco Piano 1-0

Igor A Zaitsev vs Nikolai V Krogius
Chigorin Memorial 11th Sochi URS round 1 1976.08.??
Queen’s Gambit Declined: Anti-Tartakower Variation 1-0

Igor Aleksandrovich Novikov vs Alexander Khalifman
Lvov Zonal Lvov URS 1990.02.??
Slav Defense: Czech Variation 0-1

Igor Arkadievich Zaitsev vs Borislav Ivkov
Botvinnik Memorial (Seniors) Suzdal RUS round 3 2011.08.15
Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1-0

Igor Arkadievich Zaitsev vs Mark Taimanov
Botvinnik Memorial (Seniors) Suzdal RUS round 1 2011.08.15
Sicilian Defense: Taimanov Variation 1-0

Igor Khenkin vs Matthias Bach
20th North Sea Cup Esbjerg DEN round 3 2005.07.03
Queen’s Gambit Declined: Tarrasch Defense, Stoltz Variation 1-0

Igor Lutsko vs Vladimir Sergeev
5th Platonov Memorial Kiev UKR round 4 2007.02.05
King’s Indian Defense: Orthodox Variation 1-0

Igor Nikolayev vs David Hayes
RCC Sat Open Rochester, NY round 3 1998.09.12
Dresden Opening: The Goblin 1-0

Igor Nikolayev vs David Hayes
RCC Sat Open Rochester, NY round 3 2002.01.05
Dresden Opening: The Goblin 1/2-1/2