Roberto Gabriel Alvarez vs Mikhail Markovich Umansky
Pappier mem-A email Argentina 1998.??.??
Ruy Lopez: Brix Variation 1-0

Mikhail Markovich Umansky vs Horst Robert Rittner
50th World Champions Jubilee Tournament 2001.07.01
Catalan Opening: Closed 1-0

Mikhail Markovich Umansky vs Michael Aigner
Internet Section 18-A Dos Hermanas round 6 2003.03.18
Dutch Defense: Queen’s Knight Variation 1-0

Mikhail Markovich Umansky vs The World
Chessgames Challenge chessgames.com round 1 2009.02.01
Queen’s Gambit Declined: Hastings Variation 1/2-1/2

Gert Jan Timmerman vs Mikhail Markovich Umansky
WebChess Gambit Match, games 1 & 2 ICCF round - 2005.07.10
King’s Gambit Accepted 0-1

Mikhail Markovich Umansky vs Hans Berliner
50th World Champions Jubilee Tournament 2001.07.01
King’s Indian Defense: Fianchetto Variation, Delayed Fianchetto 1-0