Wins
448
Indexed tournament wins
Player record
Christopher Portillo
Losses
475
Indexed tournament losses
Matches
923
Decisive results
Win rate
48.5%
Across indexed matches
Peak rating
1,776
Highest rating in the available history.
Biggest upset
Boris Livshin
Rialto Spring Open · Mar 24, 1996 · +467 rating
Open →Biggest loss
Musker, John
Pacific Coast Open · Sep 29, 2002 · -590 rating
Open →Most frequent opponent
Wilfredo C. Escobar
13 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
116 tournament appearances · synced Aug 8, 2026, 3:34 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 24, 1996 | Rialto Spring OpenTournament · View matches | 1,557 | 1,592 | +35+52 / -17 | 2W / 4L |
| Feb 18, 1996 | Arizona Open TTTTournament · View matches | 1,515 | 1,557 | +42 | 4W / 6L |
| Dec 18, 1995 | USATT National ChampionshipsTournament · View matches | 1,521 | 1,515 | -6+23 / -29 | 6W / 7L |
| Nov 26, 1995 | Rialto OpenTournament · View matches | 1,489 | 1,521 | +32+39 / -7 | 5W / 1L |
| Oct 29, 1995 | Thousand OaksTournament · View matches | 1,521 | 1,489 | -32+0 / -32 | 0W / 3L |
| Sep 3, 1995 | Rich Livingston MemorialTournament · View matches | 1,520 | 1,521 | +1+10 / -9 | 2W / 2L |
| Jun 11, 1995 | San Diego OpenTournament · View matches | 1,529 | 1,520 | -9+4 / -13 | 2W / 3L |
| Apr 2, 1995 | Thousand Oaks ClassicTournament · View matches | 1,533 | 1,529 | -4 | 3W / 3L |
| Mar 5, 1995 | Arizona Open TTTTournament · View matches | 1,513 | 1,533 | +20 | 5W / 3L |
| Feb 5, 1995 | Dr. Wang Chinese New Year OpenTournament · View matches | 1,519 | 1,513 | -6+0 / -6 | 0W / 2L |
| Dec 18, 1994 | US NationalsTournament · View matches | 1,485 | 1,519 | +34 | 5W / 7L |
| Nov 27, 1994 | Rialto Fall OpenTournament · View matches | 1,504 | 1,485 | -19+11 / -30 | 2W / 2L |
| Jun 5, 1994 | West Covina 1994 OpenTournament · View matches | 1,514 | 1,504 | -10+3 / -13 | 1W / 4L |
| May 21, 1994 | Rialto OpenTournament · View matches | 1,521 | 1,514 | -7+13 / -20 | 1W / 4L |
| Apr 24, 1994 | Thousand Oaks ClassicTournament · View matches | 1,518 | 1,521 | +3 | 2W / 2L |
| Apr 9, 1994 | Rialto Spring OpenTournament · View matches | 1,572 | 1,518 | -54+0 / -54 | 1W / 2L |
101–116 of 116
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