Player Profile
Przemyslaw Koc, known online as 2346PL, is a National Master who brings a thoroughly old school fighting spirit to the digital chessboard. He prefers Daily chess, which makes sense for a player whose winning games average more than 77 moves. He does not rush, he does not panic, and he certainly does not resign early.
- Display name: Przemyslaw Koc
- Username: 2346PL
- Title: National Master
- Preferred time control: Daily
Fighting Spirit and Endgame Grit
Koc is the rare player who can lose a piece and keep playing as if nothing happened. His comeback rate sits at 87.38%, and he still wins 49.29% of his games after dropping material. With an endgame frequency of 83.89%, he drags opponents deep into technical positions where patience becomes a weapon. His longest winning streak is 30 games, while his longest losing streak of 10 games apparently only made him more dangerous.
His progress in fast time controls is visible in
, and his peak Blitz rating of 2754 (2026-06-06) shows how far he has climbed since the early days of his online career.Opening Repertoire
Koc is a 1.d4 loyalist. He has played the Amazon Attack: Siberian Attack more than 1,600 times in Blitz alone, and he returns to his favorite queen pawn setups like comfortable old shoes. As Black he is at home in the Sicilian Defense, especially the Nimzowitsch Variation, and he also enjoys the Scandinavian Defense and the Dutch Defense. His
shows especially healthy numbers in the Döry Defense and Czech Defense, where his practical style tends to punish unprepared opponents.Rivalries
No long career is complete without familiar faces. His most played opponent is Mihai Ionescu, with 46 meetings and a nearly even record of 16 wins, 23 losses, and 7 draws. He also shares a running battle with Slave Trajkoski, where he leads 21 wins to 10 losses across 34 games. These repeat matchups, especially in Daily chess, show a player who enjoys studying the same rival and trying again.
Numbers That Tell a Story
- Longest winning streak: 30 games
- Comeback rate: 87.38%
- Win rate after losing a piece: 49.29%
- Endgame frequency: 83.89%
- Win rate against lower rated players: 61.84%
- Win rate against higher rated players: 27.84%, with a 10.39% draw rate, because even when outrated he still fights