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 |
|---|---|---|---|---|---|
| Feb 14, 1999 | Golden Western States OpenTournament · View matches | 1,643 | 1,622 | -21+0 / -21 | 0W / 4L |
| Dec 20, 1998 | 1998 USATT NationalsTournament · View matches | 1,646 | 1,643 | -3+18 / -21 | 3W / 12L |
| Dec 13, 1998 | Loma Linda 3rd Annual Stiga WaTournament · View matches | 1,670 | 1,646 | -24+2 / -26 | 1W / 3L |
| Sep 13, 1998 | 1998 Pacific Coast OpenTournament · View matches | 1,686 | 1,670 | -16 | 2W / 1L |
| Aug 30, 1998 | AGBU TTTTournament · View matches | 1,706 | 1,686 | -20+2 / -22 | 1W / 4L |
| Jun 21, 1998 | California State OpenTournament · View matches | 1,714 | 1,706 | -8+0 / -8 | 2W / 1L |
| Apr 26, 1998 | Thousand Oaks TTCTournament · View matches | 1,730 | 1,714 | -16+3 / -19 | 2W / 3L |
| Feb 22, 1998 | 1998 Arizona OpenTournament · View matches · USATT readjusted 1,593 → 1,699 | 1,593 | 1,730 | +31+49 / -18 | 11W / 3L |
| Dec 21, 1997 | US NationalsTournament · View matches | 1,630 | 1,593 | -37 | 8W / 9L |
| Sep 7, 1997 | Pacific Coast OpenTournament · View matches | 1,581 | 1,630 | +49+56 / -7 | 6W / 3L |
| Jul 20, 1997 | 1997 AGBUTournament · View matches | 1,606 | 1,581 | -25 | 1W / 2L |
| Jun 22, 1997 | California State OpenTournament · View matches | 1,580 | 1,606 | +26 | 5W / 5L |
| Apr 27, 1997 | Thousand Oaks ClassicTournament · View matches | 1,640 | 1,580 | -60+0 / -60 | 0W / 3L |
| Mar 16, 1997 | Hawthorne/Northrop OpenTournament · View matches | 1,654 | 1,640 | -14+3 / -17 | 1W / 2L |
| Dec 22, 1996 | 1996 U.S. NationalsTournament · View matches | 1,625 | 1,654 | +29+59 / -30 | 5W / 8L |
| Nov 3, 1996 | Pacific Coast Memorial OpenTournament · View matches | 1,632 | 1,625 | -7+0 / -7 | 0W / 3L |
| Oct 6, 1996 | Loma Linda Fall OpenTournament · View matches | 1,640 | 1,632 | -8+0 / -8 | 0W / 4L |
| Jul 22, 1996 | AGBU TTTTournament · View matches | 1,585 | 1,640 | +55 | 6W / 1L |
| Jun 23, 1996 | California State OpenTournament · View matches | 1,563 | 1,585 | +22 | 3W / 2L |
| Apr 28, 1996 | Thousand OaksTournament · View matches | 1,592 | 1,563 | -29 | 4W / 4L |