Format
Leenhouts, Koen
GM🇳🇱FIDE 1008439· Male· Netherlands· Born in 1984
Follow Koen LeenhoutsTrack his monthly FIDE ratings, games, tournaments and more.
Koen Leenhouts, a 42-year-old Dutch Grandmaster, is rated 2459 and ranked 26th among Dutch players, and in the top 1% worldwide. He has held steady between 2450 and 2500 for 19 months. 54 rated games in the past year (≈43/year long-term). Recent standard appearances include Belgian Interclubs Round 2025-2026 Ronde 11, Dutch Team Competition - klasse 1 Round 9, and Belgian Interclubs Round 2025-2026 Ronde 10. His peak of 2513 was reached at age 32 (Nov 2016, Dutch #17 at the time).
Awarded GM in 2023 (age 39) and IM in 2005 (age 21). At junior level, he reached #4 and #5 nationally in U20 and U18.
Current rating
2459
Standard
Rpd2446·Blz2424
All-time high
2513
−54 pts below
Nov 2016 · age 32
Nov 2016 · age 32
Activity
54
games / yr avg. · ≈5/mo
52 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
#26
#26 · Dutch players · of 4,671
Career timeline
21 entries2025
63rd 40-45 player worldwide
at age 41 · rated 2490
Apr 2025
7-month rising streak
+46 Elo
Apr 2025
2024
1,000 career games
at age 40
Nov 2024
2023
GM title awardedGM
at age 39 · 2023 2nd FIDE Council
Aug 2023
2020
Inactive for 16 months
paused at 2414 → returned at 2411
Apr 2020
2017
Re-crossed 2500
at age 33
Sep 2017
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
Activity & highlights
Evolution
-17
2476 → 2459
Tournaments
20
53 games
Score
36/ 5367.9%
24W24D5L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
18 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Apr 2026 | 0/1 | #1159 | 1686 | -4.7 |
Team | Apr 2026 | 0.5/1 | #91 | 2281 | -2.4 |
Team | Mar 2026 | 1/1 | #204 | 3217 | +4.4 |
Team | Mar 2026 | 1/1 | #49 | 3042 | +2.3 |
Team | Mar 2026 | 0.5/1 | #554 | 2438 | -0.3 |
Team | Mar 2026 | 0.5/1 | #73 | 2378 | -1.1 |
Team | Feb 2026 | 0.5/1 | #802 | 2280 | -2.3 |
Team | Feb 2026 | 1/1 | #6 | 3276 | +5.3 |
Team | Feb 2026 | 1/1 | #75 | 3145 | +3.5 |
Team | Jan 2026 | 0.5/1 | #727 | 2338 | -1.8 |
Most-Played Opponents
vsHing Ting LaiIM
🇳🇱NED·2449
+2 −3 =3
8 games·last met Mar 2026
View head-to-head →
vsArthur PijpersGM
🇳🇱NED·2486
+1 −2 =4
7 games·last met Apr 2026
View head-to-head →
vsXander WemmersIM
🇳🇱NED·2333
+5 −2 =0
7 games·last met Mar 2025
View head-to-head →
vsMax WarmerdamGM
🇳🇱NED·2520
+3 −4 =0
7 games·last met Sep 2023
View head-to-head →
vsOnno ElgersmaFM
🇳🇱NED·2356
+1 −1 =4
6 games·last met May 2024
View head-to-head →
Rankings
/
Netherlands
#26
out of 4,909 players
Europe
#561
in continent
World
#928
out of 400,000+
National ranking
Europe & World
Europe
World
Netherlands
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