Jan Willem KoelmansChess Games
Explore 86 Jan Willem Koelmans chess games from 1995 to 2025 in the CipherChess chess database. See Jan Willem Koelmans's full win, draw and loss record, results with the white and black pieces, the openings Jan Willem Koelmans plays most, and replay any Jan Willem Koelmans game move by move.
Jan Willem Koelmans's Opening Tree
Walk Jan Willem Koelmans's most-played openings move by move, straight from 86 games. Switch between their White and Black repertoire, and see how each line scores.
As White, Jan Willem Koelmans most often plays d4 (42 games, 57% score). A typical continuation runs 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4.
As Black, Jan Willem Koelmans most often faces d4, usually replying d5 (16 games, 41% score). A typical line runs 1. d4 d5 2. c4 c6 3. Nc3 Nf6.
Click a move, or drag a piece along one of the arrows on the board.
Recent Jan Willem Koelmans Chess Games
About Jan Willem Koelmans's chess games
This page collects 86 Jan Willem Koelmans chess games from the CipherChess mega database, covering 1995 to 2025. Use it to study how Jan Willem Koelmans handles both colours, which openings Jan Willem Koelmans returns to most often, and how their results break down across wins, draws and losses.
Every game links to an interactive board where you can replay Jan Willem Koelmans's moves and run them through the engine, ideal preparation before facing Jan Willem Koelmans over the board or online.
Whether you searched for “Jan Willem Koelmans chess”, “Jan Willem Koelmans chess games” or “Jan Willem Koelmans openings”, this is the complete Jan Willem Koelmans record in the database: full game history, results with White and Black, rating where known, and a replayable board for every game. Bookmark it to track Jan Willem Koelmans's games and prepare your lines before your next match.
Frequently asked questions
How many chess games has Jan Willem Koelmans played?
The CipherChess database holds 86 chess games played by Jan Willem Koelmans, spanning 1995 to 2025, with a 25 win, 34 draw and 27 loss record.
What openings does Jan Willem Koelmans play?
Jan Willem Koelmans's most-played opening in the database is the Sicilian Defense: Closed. As White, Jan Willem Koelmans most often opens d4 (42 games). As Black, Jan Willem Koelmans most often faces d4, usually replying d5 (16 games). Use the interactive opening tree above to walk their most-played lines move by move.
What is Jan Willem Koelmans's win rate?
Across 86 games, Jan Willem Koelmans scores 49% overall (counting a draw as half a point), with 25 wins, 34 draws and 27 losses.