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Christos Krallis IM

Elprofessor21 Since 2020 (Active) Chess.com ♟♟♟♟♟
48.4% W 41.7% L 10.0% D
Bullet
2669
257W 214L 35D
Blitz
2837
943W 830L 212D
Rapid
2125
18W 6L 4D

Christos Krallis, also known as Elprofessor21, in chess profile

Christos Krallis is a FIDE International Master whose online account, Elprofessor21, has turned rapid, blitz, and especially Bullet chess into a series of sharp tactical lessons. The name sounds like a university lecturer, and the games often feel that way: a clean opening line, a few quick checks, and then a long argument about whether the rook should be sacrificed, traded, or simply left near the kingside for dramatic effect.

As an International Master, the profile carries the weight of classical chess discipline, but the preferred tempo is fast. The account is most at home in Bullet, where tempo matters more than a long lecture and a single missed tactic can turn a promising position into a very short lesson.

A style built on sharp openings and stubborn endgames

The record shows a player who is comfortable on both colors and in many opening territories. The Catalan Opening appears as a favorite white weapon, offering a solid diagonal, flexible pawn breaks, and enough middlegame tension to keep opponents thinking. The endgame is also a familiar room, with many games reaching the late stages and turning into practical duels over pawn structures, active pieces, and the patient conversion of small advantages.

  • Fast chess temperament, with a preference for Bullet and a strong tactical pulse.
  • A strong Catalan Opening setup, especially with white pieces and a bishop on the long diagonal.
  • Repeated meetings with familiar opponents such as Hristos Alexiadis, Dolgan Nyudleev, Khatanbaatar Bazar, and TRaptors2019.
  • A style that rewards quick decision making, accurate recalculation, and the occasional early sacrifice to open the board.

Opening tendencies and chess personality

Elprofessor21 does not look like a one trick player. The opening list includes classical systems, sharp defenses, and enough odd corners to keep the profile entertaining. That mix suits a titled player who is equally capable of preparing a serious variation and jumping into a chaotic middle game where every rook check feels like a pop quiz.

The chess personality is practical. The player is willing to fight for an initiative, comfortable letting the board become crowded, and ready to shift from opening preparation into a direct tactical contest. For opponents, that makes the game less predictable: the position may start in a familiar Catalan Opening shape, but it can quickly become a race of tempi, checks, and counter threats.

Win Rate by Opening0%25%75%100%50%Amazon Attack: Siberian Attack: 51.5% over 66 gamesAmazon Attack: 45.2% over 62 gamesCzech Defense: 54.2% over 59 gamesLondon System: Poisoned Pawn Variation: 50.9% over 57 gamesSicilian Defense: Najdorf Variation: 43.9% over 57 gamesSicilian Defense: Alapin Variation: 41.8% over 55 gamesAmazon Attack: Siberian…52%Amazon Attack45%Czech Defense54%London System: Poisoned…51%Sicilian Defense: Najdo…44%Sicilian Defense: Alapi…42%

A short Catalan sketch for the Elprofessor21 profile

One way to picture the account is to imagine a Catalan game where the center is carefully prepared, the long diagonal becomes a highway, and the pieces keep arriving with purpose. The position below is a simple illustrative sketch, not a full game, but it captures the kind of structure that often suits the profile: a white pawn on c4, a bishop on g2, and a center that is ready to expand.

Why this Christos Krallis chess biography stands out

Elprofessor21 combines the credibility of a FIDE International Master with the energy of fast online chess. The profile is built around practical play, sharp tactics, and a taste for openings that create both structure and surprise. Whether the game stays calm or turns into a Bullet sprint, the account offers a memorable blend of preparation, nerve, and a professorial habit of making every opponent explain their ideas move by move.

Bio last updated 2026-08-26