Overview
Mads Bilde Svendsen (also known online as accblackbird) is a sharp, fast-paced chess player best known for blitz play. A fierce online competitor, Mads favors decisive, tactical battles and has built a reputation for long, grinding wins and dramatic comebacks — an entertainer on the 3|0 and 5|0 boards. Preferred time control: Blitz.
- Playstyle keywords: tactical, endgame-hungry, comeback specialist
- Notable stat (Blitz peak): 2392 (2025-10-24)
- Quick rating trend preview:
Playing Style & Strengths
Mads loves chaos early and technique late. Games tend to be long and decisive — he gets into endgames often and isn't shy about resigning early when the position is lost (a little mercy, a lot of realism). He’s especially dangerous at recovering from setbacks: when material slips, he still finds practical chances.
- High Endgame Frequency — comfortable converting small advantages
- Comeback Rate: excels after mistakes and sharp swings
- Average decisive game length: long — prefers to outplay opponents rather than blitz them out immediately
Memorable Openings & Repertoire
Mads fields a varied and sometimes unorthodox opening toolbox. He attacks with unusual lines as White and uses sharp modern systems as Black — a mix that keeps opponents guessing in fast time controls.
- Favorites as White: Amazon Attack, Benoni setups and A40-style systems
- Favorites as Black: Australian Defense, Modern/Pterodactyl ideas, and several Sicilian flavours
- Notable strength: excellent results with the Benoni and Amazon Attack in blitz
Records & Memorable Streaks
Mads has put together some serious runs online. Expect streaks of momentum — both the good and the “please-forgive-me” kind.
- Longest winning streak: 21 games — a blitz tear
- Longest losing streak: 9 games — we all have those evenings
- Current winning streak (recent): 2
Notable Opponents & Head-to-Heads
Mads has tangled repeatedly with several strong online rivals. He’s posted particularly impressive records vs some recurring challengers.
- Most-played opponent: playbetter — 33 games (dominant head-to-head)
- Other frequent foes: zadigg, chaikmate1, junicolas, mortalkolle
- Head-to-head highlight: wins are common vs playbetter (27–5–1), showing Mads’ ability to exploit familiar opponents’ tendencies
Play Tips From the Stats
If you want to challenge Mads (or learn from him), consider these practical takeaways drawn from his play patterns:
- Play sharp, tactical lines — Mads thrives in complications but is also dangerous in long technical positions.
- Beware the late middlegame/endgame: he converts small edges well, so don’t trade into slightly worse endgames.
- Best hours to face him: early mornings and mid-morning spikes have shown strong results for him — try scheduling a game outside those times if you want a freer fight.
Quick Game (Sample)
A tiny illustrative blitz sequence — a compact tactically-flavored start that fits Mads’ style:
- Viewer-friendly replay:
Fun Facts & Personality
Mads combines seriousness at the board with a playful online persona. He’s the kind of player who’ll punish sloppy opening play, then send a polite “gl” after — equal parts predator and sportsman. Fans call him accblackbird because his games sometimes swoop in unexpectedly and steal wins.
- Nickname: accblackbird
- Known for: long decisive games, tactical resourcefulness, and a surprisingly generous resignation etiquette
- Good to know: favorite quirky line — Amazon Attack