Reyser Steven Soria Nuñez (RS_Darkside)

Reyser Steven Soria Nuñez, who often plays online as RS_Darkside, is a determined and entertaining chess player known for long, strategic fights and an appetite for endgames. A Rapid specialist by preference, Reyser mixes stubborn defense with tactical comebacks and a fondness for offbeat but effective openings like the Scandinavian and the Diemer-Duhm Gambit. This profile highlights his style, favorite lines, and notable streaks.

Playing style and strengths

Reyser is a marathon player. He prefers complex middlegame play that often bleeds into long endgames. He is resilient under pressure and has an impressive comeback record.

Preferred time control: Rapid - comfortable in thoughtful, longer blitzes of strategy and tactics.
Endgame enthusiast - high endgame frequency and long average game lengths (avg decisive length around mid 80s moves).
Stubborn and resourceful - strong comeback rate and decent win rate after material losses.
Psychology: best time of day to play is around 13:00, and he sometimes shows tilt after rough stretches.
Fun fact - games often top 80 moves, so bring snacks if you sit down across the board.

Openings and repertoire

Reyser chooses pragmatic and surprise value lines. He plays both with White and Black, favoring systems that lead to unbalanced play and practical chances.

Top Black weapons: Scandinavian Defense - exceptional Rapid record, and a bulky Bullet book. (Scandinavian Defense)
Frequent White choices: Diemer-Duhm Gambit and Australian Defense - these give aggressive chances and practical tests for the opponent.
Other favorites: Slav variants, Benoni ideas, and occasional creative gambits to spice up the board.
Rapid strengths: perfect small-sample win runs in Scandinavian and QGD sublines, showing confidence in prepared sidelines.

Try this compact Scandinavian line to see his style in miniature:

Career highlights and streaks

Reyser has logged many intense sessions across Bullet, Blitz, Daily, and Rapid. He has shown peak performances that reveal both high skill and deep experience on fast time controls.

Notable peak: 2634 (2025-05-29) in his most explosive Bullet run.
Longest winning streak: 17 games.
Longest losing streak: 11 games - proving he is human, but resilient afterward.
Most-played online opponent: baalhasolam - a rivalry with dozens of encounters.

For a quick visual of recent Rapid momentum, view the rating trend:

Quick competitive snapshot

Overall W-L-D highlights - Bullet and Blitz are heavily played, Daily and Rapid show high adjusted win rates.
Win/loss record by control (summary): Bullet - many thousands of games with a razor-close record, Blitz and Rapid solid performers, Daily very strong in adjusted play.
Tactical traits: high average moves per game, frequent use of the queen and rooks for checks, and strong resistance after setbacks.

Personality and table talk

Reyser is the kind of player who will grin, play a quiet endgame, and then somehow win while humming a meme song. He mixes humor with seriousness; expect a cheeky chat message, followed by precise rook maneuvers. If you want to study his approach, focus on endgame technique and unusual opening sidelines that lead to practical imbalances.

Explore more

Study rapid lines he favors - Scandinavian Defense, Australian Defense, Diemer-Duhm Gambit.
Rival profile - most played opponent: baalhasolam.
Want a snapshot of his Bullet peak - see 2634 (2025-05-29).

Small placeholders above enrich this profile. Enjoy the games and expect long, entertaining duels.