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Player Profile

Andrea Ortez WIM

AurumO Since 2020 (Active) Chess.com ♟♟♟♟♟♟
48.8% W 46.3% L 4.9% D
Bullet
1929
2448W 2342L 205D
Blitz
2150
1367W 1289L 181D
Rapid
1832
42W 29L 2D
Daily
1778
3W 0L 1D

Gold Rush in 5 Minutes

Andrea Ortez, who numbers among the 64 squares as AurumO, is a FIDE Woman International Master with a very loud love for blitz. The name Aurum means gold, and the 5 minute clock is her favorite digging site. Since 2020 she has played thousands of games online, and her journey looks less like a calm river and more like a rollercoaster with checkmates.

Built For Blitz

Prefer 5+0 to an extra minute? Then meet Andrea. Her blitz resume has more than 3,000 recorded games alone, with a peak around 2150 (2026-07-19). Over time she kept trending up, occasionally losing 14 straight games and then responding with a 10 game winning streak. When her heart is in it, she can find you before you have a square to run to.

  • Starts with e4 in almost every game, day or night, tournament or casual.
  • Puts pressure on quickly and reaches the endgame in 86% of her fights.
  • Comes back from losing positions with a ridiculous comeback rate.
  • At 11:00 she plays best, which probably makes breakfast an opening tabiya for the rest of the world.

Her path is visible all in one view:

Blitz Rating217520992022194618692020: 18942021: 20242022: 20322023: 20312024: 20072025: 21162026: 21502020202120222023202420252026
. If you zoom in, you can spot the boyish jolt, the new year slump, and the quiet approach to the 2150 score.

Rivalries to Circle on the Calendar

Online chess produces lovely feuds, and Andrea has a few:

  • Against D Z she has a one-sided, very good owner record of 26 wins, 4 losses, and a draw. Maybe she has the coordinates to that player's email.
  • ZetitaSaurio has the opposite version of the story, with 23 wins over her in 31 meetings. Every rematch is personal.
  • When she faces Pablo Andres Diaz, she puts on a clinic: 14 wins and only 3 losses.

If her schedule were a series, these three names are the season finalists.

Repertoire With Sharp Edges

As White, the first move is almost never in doubt. She plays the bold 1.e4 and leans on the Sicilian Defense family. The Alapin Variation is her favorite industrial tool: she handles it more than 600 times in blitz and keeps a positive score. As Black she is happy to enter the Accelerated Dragon, a compressed route to lively positions.

The rest of her galaxy is a stable lineup: Caro-Kann Defense exchanges, the French Exchange, and a good dose of Ruy Lopez. She is very well served in the Alapin as White and the Accelerated Dragon as Black, although the ultra sharp Rossolimo plan sometimes bites at her, and that is part of the charm.

This map, taken from actual games, shows the opening favorites that pay the bills:

Win Rate by Opening0%25%75%100%50%Sicilian Defense: Alapin Variation: 51.5% over 1255 gamesSicilian Defense: Accelerated Dragon, Exchange Variation: 53.4% over 410 gamesScandinavian Defense: 49.3% over 402 gamesSicilian Defense: Closed: 47.5% over 373 gamesCaro-Kann Defense: Exchange Variation: 55.4% over 269 gamesFrench Defense: Exchange Variation: 48.8% over 217 gamesSicilian Defense: Alapi…52%Sicilian Defense: Accel…53%Scandinavian Defense49%Sicilian Defense: Closed48%Caro-Kann Defense: Exch…55%French Defense: Exchang…49%
.

The Phoenix Factor

Maybe the most endearing stat is that Andrea wins the attack even after losing a piece. Her response to bad fortune is not panic; it is a huge comeback in that stubborn way. She stays, attacks the side, and wins almost half of those battles. Her games are not always clean, but they are always deserve watching.

So if she blunders a knight, stay calm because she is exactly as dangerous as before. If she gives you the initiative, you are probably in danger. She just has so much gold on the board.

Bio last updated 2026-09-08