Jacob Kulik (bkchess): The Unorthodox Blitz Streamer
Jacob Kulik, known online as bkchess, is a chess streamer who has spent more than a decade proving that the most fun path to a high rating is also the quirkiest. A devoted fan of Blitz chess, Jacob has played tens of thousands of fast games and turned unconventional openings into a winning personal brand.
The Long Climb
Records show Jacob's online chess journey beginning in 2010 with a single Rapid draw at 1200, but his competitive fire really emerged in 2013 when he stepped into the Blitz pool near 1430. The big breakout came in 2016, when he started grinding Bullet games by the hundreds, shooting from 1305 to 1988 in just a few months.
From there the trajectory was steady and impressive: past 2000 in Blitz by 2021, past 2300 in 2022, and all the way to a career peak of 2437 (2025-12-20) in December 2025. His Blitz history shows a player who simply refuses to stop queueing.
Even when losses pile up, Jacob keeps coming back. His longest losing streak of 11 games only makes the comebacks sweeter, while his longest winning streak of 37 games shows what happens when he truly locks in.
A Repertoire Built on Mischief
Watch any of Jacob's streams and you will quickly learn that he plays chess the way some people play carnival games: with total commitment to the bit. As White, his favorite weapon is the Amar Gambit beginning with 1.Nh3, along with the Hungarian Opening's Wiedenhagen-Beta Gambit and the King's Indian Attack. When facing 1.d4, he regularly answers with the Czech Defense, the Pirc Defense, or the Modern Defense, always hunting for unbalanced positions.
The results back up the chaos. In Rapid play, the Amar Gambit has earned him a 71.54% win rate across 130 games, and as Black the Pirc Defense Classical Variation delivers a dominant 83.64% in Rapid. A typical bkchess opening might look something like this:
Rivals and Scoreboards
A player is defined by the rivals he keeps, and Jacob's record book is full of characters. Mark DeDona has faced Jacob 177 times and owns a commanding edge, winning 105 of those battles. On the flip side, sanswasfound has been a steady source of points, with Jacob winning 86 of 89 meetings, while k_money_8 also struggled against Jacob, losing 97 of 107 encounters.
- vs Mark DeDona: 52 wins, 105 losses, 20 draws in 177 games.
- vs sanswasfound: 86 wins, 2 losses, 1 draw.
- vs k_money_8: 97 wins, 8 losses, 2 draws.
Fans of the long rivalry might remember this classic duel:
Their 177th encounterA Fighter to the Final Move
Jacob's style is as stubborn as it is entertaining. He reaches the endgame in 81.61% of games, averages around 78 moves per win, and only resigns early 1.28% of the time. When he falls behind, he becomes dangerous: his comeback rate sits at 80.71%, and he still wins more than half of his games after losing a piece.
With a white win rate of 59.21% and a black win rate of 57.03%, Jacob is dangerous from both sides of the board. His stats even suggest his best time to play is 06:00, so if you ever catch an early morning stream, expect peak mischief.