Avatar of Kr V B

Kr V B

Username: Rubikon1

Location: Male

Playing Since: 2021-08-27 (Active)

Wow Factor: ♟♟♟♟♟

Chess.com

Daily: 1986
10W / 1L / 3D
Rapid: 2327
72W / 19L / 6D
Blitz: 2549
314W / 231L / 41D
Bullet: 2481
24463W / 27801L / 3553D

Profile Summary: Kr V B (Rubikon1)

Meet Kr V B, better known in the chess world as Rubikon1—a bullet maestro and blitz enthusiast with an obsession for precision and speed that would give even Stockfish a run for its money. Starting from a humble 1372 bullet rating in 2021, Rubikon1 rocketed to a blistering 2603 by 2025, proving that endurance and dedication in over 50,000 bullet games truly make a difference. That's right, over fifty THOUSAND games and more wins than you can count on your fingers and toes combined!

When not tearing through bullet games, Rubikon1 dabbles in blitz and rapid chess, boasting respectable peaks of 2582 and 2327 respectively. With an average endgame frequency of nearly 90%, it's clear this player loves a good battle deep into the game—long drawn-out fights with nerves steeled for hours on end (or at least minutes... somewhere close). And with an incredible 100% win rate after losing a piece, you'd better believe Rubikon1 knows how to claw victories from the jaws of defeat.

Despite the ruthless onslaught in bullet games, where the Tilt Factor hovers around a manageable 17 (who likes losing, anyway?), Rubikon1's comeback rate is an almost mythical 91.63%. Losing a piece? No problem. Win or draw? Most likely, yes, especially with openings like the mysterious Top Secret strategy leading the charge to a 43-64% win rate depending on time control. It’s as if Rubikon1’s brain has embedded cheat codes for those clutch moments.

Off the board, Rubikon1 probably enjoys chess puns and cracking jokes about how their opening repertoire is "top secret" for a reason. Maybe even a little mischief—how else to explain the repeated use of openings with stealthy code names and nimble knights dancing around their opponents’ defenses?

With a longest winning streak of 22 games (that’s basically a match-winning performance) and a current streak ready to ignite the chess world, Rubikon1 is a force to be reckoned with on every square of the chess battlefield. So next time you face Rubikon1, beware: their bullet speed might just leave you breathless, but their strategic mind will surely leave you bewildered. And remember, resigning early isn't their style—they like it long, tactical, and unpredictable.

Chess really never sleeps for Rubikon1, and honestly, neither do their opponents.


Coach's Avatar

What went well in your recent bullet games

You showed a willingness to engage in sharp, tactical play, which suits fast time control. Your pieces often kept pressure on the opponent’s king and you looked for dynamic chances rather than settling for passive positions. When you found active possibilities, you converted some chances into practical threats and opportunities to complicate the position.

  • You kept the position dynamic and looked for tactical ideas that can win material or create mating threats in the short term.
  • You were willing to simplify when it favored your position, which helps in fast time controls where precise calculation can be risky.
  • Your piece activity in several moments created practical chances even when material was uncertain.

Key improvements to focus on for stronger bullet results

  • Time management under pressure: guard against spending too long on a single tactic. Use a quick, repeatable checklist for each move in bullet games (threats, material balance, king safety, and a simple plan). If nothing clear shows up within a few seconds, choose a solid, safe continuation.
  • Prioritize king safety and simple plans: after a middlegame transition, keep your king well protected and seek a clear, repeatable plan (develop, connect rooks, activate a rook on a open file) rather than chasing every tactic.
  • Watch for back-rank and mating nets: in fast games, attackers often exploit back-rank weaknesses. Ensure your back rank is covered and avoid leaving decisive tactical motifs unaddressed.
  • Endgame awareness in bullets: many bullet games swing on a single tempo or pawn race. Practice common endgame motifs (opposition, passed pawns, rook endings with active king) so you can convert favorable positions quickly.
  • Opening selectivity: choose a small, reliable repertoire you know well. Solid, repeatable plans in the opening help you reach good middlegames fast and reduce risky early trades.
  • Tactical pattern recognition: regular, short tactic drills (5–10 minutes daily) help you spot winning combinations and avoid blunders in time trouble.

Practical, focused plan to practice over the next two weeks

  • Daily tactic drills (5–10 minutes): focus on forks, pins, discovered attacks, and basic mating nets to improve quick recognition under time pressure.
  • Two short game reviews per week: after a bullet game, write down 2-3 critical moments and one alternative safe move you could have played. This builds a quick post-game learning habit.
  • Reinforce a compact opening repertoire: pick one solid line from the Caro-Kann or Sicilian (or another you prefer) and learn the typical middlegame plans and common tactical motifs you might face.
  • Endgame basics you can rely on in bullet: practice simple rook endings and king activity rules so you can convert small advantages quickly.

Quick tips for your next session

  • Before every move in a bullet game, ask: What is my immediate threat? Is my king safe? Do I have a simple plan to improve my position in the next 2–3 moves?
  • Prefer solid, forcing moves when you’re in doubt rather than speculative complications that require long lines.
  • Use your strongest openings to reach familiar middlegame plans fast; avoid attempting too many untested ideas in a single game.

Want to review progress over time or tailor practice to your opening choices? You can view your profile here: kr_v_b.



🆚 Opponent Insights

Recent Opponents
Eman Sawan 10W / 14L / 2D
Shlok Chandrani 1W / 1L / 0D
JamsCox 3W / 3L / 0D
ed3yuu 4W / 1L / 0D
bestchessplayer123321 1W / 0L / 0D
txtxq 3W / 2L / 0D
madhuman12 4W / 5L / 0D
feu2000 22W / 27L / 5D
naruto_gon24 1W / 1L / 0D
sherchess333 0W / 0L / 1D
Most Played Opponents
Anselm Wagner 35W / 79L / 13D
almazalmaz1 49W / 48L / 5D
allexo 41W / 48L / 7D
MrTeifel1979 51W / 37L / 6D
mathnerd55 34W / 49L / 10D

Rating

Year Bullet Blitz Rapid Daily
2025 2500 2549 2327
2024 2502 1952 2269 1825
2023 2410 2536 2318 1952
2022 2473 2471 2259
2021 2408 2439 2021
Rating by Year2021202220232024202525491825YearRatingBulletBlitzRapidDaily

Stats by Year

Year White Black Moves
2025 2218W / 2236L / 327D 2021W / 2469L / 298D 86.7
2024 3029W / 2872L / 426D 2662W / 3289L / 367D 90.0
2023 3319W / 3543L / 488D 2991W / 3864L / 392D 88.6
2022 855W / 812L / 117D 742W / 845L / 139D 91.6
2021 65W / 24L / 3D 50W / 31L / 8D 85.8

Openings: Most Played

Bullet Opening Games Wins Losses Draws Win Rate
Caro-Kann Defense 2981 1414 1348 219 47.4%
Sicilian Defense: Closed 2836 1440 1200 196 50.8%
Blackburne Shilling Gambit 2334 1117 1092 125 47.9%
French Defense 1992 812 1060 120 40.8%
Colle System: Rhamphorhynchus Variation 1711 764 848 99 44.6%
Amar Gambit 1614 628 892 94 38.9%
Vienna Gambit, with Max Lange Defense 1612 719 785 108 44.6%
Scandinavian Defense 1603 702 785 116 43.8%
Ruy Lopez: Classical Defense, Benelux Variation 1397 622 692 83 44.5%
Scotch Game 1335 566 682 87 42.4%
Blitz Opening Games Wins Losses Draws Win Rate
Barnes Opening: Walkerling 45 35 7 3 77.8%
Amar Gambit 44 32 8 4 72.7%
Barnes Defense 42 31 10 1 73.8%
Caro-Kann Defense 39 22 11 6 56.4%
Sicilian Defense: Closed 38 23 9 6 60.5%
Blackburne Shilling Gambit 33 16 15 2 48.5%
Sicilian Defense 31 20 9 2 64.5%
Vienna Gambit, with Max Lange Defense 30 17 12 1 56.7%
French Defense 21 12 7 2 57.1%
Ruy Lopez: Classical Defense, Benelux Variation 18 12 4 2 66.7%
Daily Opening Games Wins Losses Draws Win Rate
Amar Gambit 3 2 1 0 66.7%
Barnes Opening: Walkerling 2 2 0 0 100.0%
Sicilian Defense: Closed 1 0 0 1 0.0%
Scotch Game 1 1 0 0 100.0%
Blackburne Shilling Gambit 1 1 0 0 100.0%
Elephant Gambit 1 1 0 0 100.0%
Alekhine Defense 1 1 0 0 100.0%
Amazon Attack 1 1 0 0 100.0%
Scandinavian Defense 1 1 0 0 100.0%

🔥 Streaks

Streak Longest Current
Winning 22 2
Losing 17 0