JK

Jaap-Jan Koelewijn

Rated since January 2023

1796 Classic
1796 Rapid
1796 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BOELENS, H. (HARRY) 1756
8100 SOS Competitie 2023/2024 Maart 2024 · Tuesday 12 March 2024
BOSCH, H. (HENRI) 1755
9651 SOS Competitie 2024/2025 2025-02 · Tuesday 4 February 2025
DENKERS, J.C. (JAN) 1699
9652 SOS Competitie 2024/2025 2025-03 · Tuesday 11 March 2025
KOK, T.F.L. (FRITS) 1695
12776 SOS competitie 2025/2026 Lijst 1 apr · Friday 13 March 2026
COTERLET VAN DE, N. (NIELS) 1655
12052 SOS competitie 2025/2026 Lijst 1 Dec · Friday 14 November 2025
Worst losses
BOSMAN, N.J. (NICO) 1590
7605 SOS Competitie 2023/2024 November 2023 · Tuesday 7 November 2023
BEELEN VAN, J.H. (JAAP-HILLE) 1590
7029 SOS Competitie 2022/2023 April 2023(K2) · Tuesday 11 April 2023
JANSSEN, M.J. (MARCEL) 1709
7606 SOS Competitie 2023/2024 December 2023 · Tuesday 12 December 2023
SETTEN VAN, D.C. (DIRK) 1783
12774 SOS competitie 2025/2026 Lijst 1 feb · Tuesday 13 January 2026
No FIDE-rated tournaments found.
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +2–0=0 +18.7
SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +0–0=1 -4.4
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +0–1=0 -13.0
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +1–0=0 +7.1
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +1–0=0 +8.0
SOS Competitie 2024/2025 2025-04 Sunday 1 September 2024 +0–0=1 -0.5
SOS Competitie 2024/2025 2025-03 Sunday 1 September 2024 +1–0=0 +9.7
SOS Competitie 2024/2025 2025-02 Sunday 1 September 2024 +1–0=0 +12.1
SOS Competitie 2024/2025 2025-01 Sunday 1 September 2024 +0–0=1 -0.5
SOS Competitie 2024/2025 2024-12 Sunday 1 September 2024 +1–0=0
SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +0–0=1 -1.6
SOS Competitie 2023/2024 Maart 2024 Friday 1 September 2023 +1–0=0 +12.4
SOS Competitie 2023/2024 Januari 2024 Friday 1 September 2023 +1–0=0
SOS Competitie 2023/2024 December 2023 Friday 1 September 2023 +0–1=0 -9.0
SOS Competitie 2023/2024 November 2023 Friday 1 September 2023 +0–1=0 -13.5
SOS Competitie 2023/2024 Oktober 2023 Friday 1 September 2023 +0–0=1 +2.5
SOS Competitie 2022/2023 April 2023(K2) Monday 12 September 2022 +0–1=0 -13.9
SOS Competitie 2022/2023 Maart 2023(K2) Monday 12 September 2022 +0–0=1 -0.2
SOS Competitie 2022/2023 Februari 2023 Monday 12 September 2022 +1–0=0 +6.4
SOS Competitie 2022/2023 Januari 2023 Monday 12 September 2022 +0–0=1 -0.1
SOS Competitie 2022/2023 December 2022 Monday 12 September 2022 +0–1=0

Rating History

Loading rating history...

Peak Ratings

Classic 1797 Dec. 1, 2025
Rapid 1796 April 1, 2026
Blitz 1796 April 1, 2026

Games

Wins 10
Losses 5
Draws 7
Win Rate 45%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 3 2 44%
Black 6 4 3 46%

Recent Matches

Kok, T.F.L. (Frits) (1695) Friday 13 March 2026 WIN +9.3
Kok, T.F.L. (Frits) (1695) Friday 13 March 2026 WIN +9.3
Karman, C.J. (Johan) (1660) Tuesday 3 February 2026 DRAW -4.4
Setten van, D.C. (Dirk) (1783) Tuesday 13 January 2026 LOSS -13.0
Lonkhuyzen van, H. (Henk) (1634) Tuesday 2 December 2025 WIN +7.1
Coterlet van de, N. (Niels) (1655) Friday 14 November 2025 WIN +8.0
Diermen van, H. (Henk) (1776) Monday 14 April 2025 DRAW -0.5
Denkers, J.C. (Jan) (1699) Tuesday 11 March 2025 WIN +9.7
Bosch, H. (Henri) (1755) Tuesday 4 February 2025 WIN +12.1
Lubbers, J.W. (Jan-Willem) (1753) Tuesday 14 January 2025 DRAW -0.5
Hodgson, O. (Owen) Tuesday 3 December 2024 WIN
Woudenberg, E.M. (Mart) (1725) Tuesday 8 October 2024 DRAW -1.6
Boelens, H. (Harry) (1756) Tuesday 12 March 2024 WIN +12.4
Bonsen, B. (Bram) Tuesday 16 January 2024 WIN
Janssen, M.J. (Marcel) (1709) Tuesday 12 December 2023 LOSS -9.0
Bosman, N.J. (Nico) (1590) Tuesday 7 November 2023 LOSS -13.5
Wernsen, W.J. (Wilco) (1688) Monday 9 October 2023 DRAW +2.5
Beelen van, J.H. (Jaap-Hille) (1590) Tuesday 11 April 2023 LOSS -13.9
Putten van, P. (Peer) (1625) Thursday 16 March 2023 DRAW -0.2
Schipper, S. (Sven) (1438) Monday 6 February 2023 WIN +6.4