KNSB FIDE
JB

Johan Bertelkamp

Rated since January 2023

1817 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
INGEN VAN, R. (RIK) 1857
10470 Tata Steel Chess Tournament 2026 Tienkampen · 2026-01-27
PELSER, A. (ABEL) 1830
10470 Tata Steel Chess Tournament 2026 Tienkampen · 2026-01-28
MOSTERD, J. (JOHAN) 1788
10705 KNSB competitie 2024-2025 Klasse 5 ronde 6 · 2025-03-08
MELGERS, J.A. (JAAP) 1598
12265 KNSB competitie 2025-2026 Klasse 5 ronde 2 · 2025-11-01
JONGE DE, K.T. (RIJN) 1482
7642 KNSB competitie 2023-2024 Klasse 6 ronde 1 · 2023-10-07
Worst losses
BETTMAN, J. (JAN) 1711
7798 KNSB competitie 2023-2024 Klasse 4 ronde 3 · 2023-11-04
SOSEF, N.S. (NOAH) 1820
10470 Tata Steel Chess Tournament 2026 Tienkampen · 2026-02-01
LEMMEN, G. (GERRIT) 1828
10470 Tata Steel Chess Tournament 2026 Tienkampen · 2026-01-31
HAKVOORT, R.C. (REMY) 1865
9852 SGA Competitie 2024-2025 1e Klasse A ronde 2 en 3 · 2024-11-21
SAMPER, S. (SANTIAGO) 1891
11852 KNSB competitie 2025-2026 Klasse 4 ronde 1 · 2025-09-20
Tata Steel Chess Tournament 2026 Tienkampen Fri, Jan 16, 2026 +2–2=5 +12.1
KNSB competitie 2025-2026 Klasse 4 ronde 6 Sat, Sep 20, 2025 +0–0=1 +1.8
KNSB competitie 2025-2026 Klasse 5 ronde 7 Sat, Sep 20, 2025 +0–0=1 +2.9
KNSB competitie 2025-2026 Klasse 3 Ronde 4 Sat, Sep 20, 2025 +0–1=0 -7.7
KNSB competitie 2025-2026 Klasse 5 ronde 2 Sat, Sep 20, 2025 +1–0=0 +5.9
KNSB competitie 2025-2026 Klasse 4 ronde 1 Sat, Sep 20, 2025 +0–1=0 -9.8
SGA Competitie 2024-2025 1e Klasse A ronde 2 en 3 Mon, Sep 30, 2024 +0–1=0 -10.9
KNSB competitie 2024-2025 Klasse 5 ronde 6 Sat, Sep 21, 2024 +1–0=0 +12.1
KNSB competitie 2024-2025 Klasse 3 ronde 4 Sat, Sep 21, 2024 +0–1=0 -8.0
KNSB competitie 2023-2024 Klasse 6 ronde 6 Sat, Sep 16, 2023 +0–0=1 +2.9
KNSB competitie 2023-2024 Klasse 6 ronde 5 Sat, Sep 16, 2023 +0–0=1 -4.9
KNSB competitie 2023-2024 Klasse 4 ronde 3 Sat, Sep 16, 2023 +0–1=0 -12.5
KNSB competitie 2023-2024 Klasse 6 ronde 1 Sat, Sep 16, 2023 +1–0=0 +5.4

Rating History

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Peak Ratings

Classic 1819 April 1, 2024
Rapid 1812 March 1, 2026
Blitz 1812 March 1, 2026

Games

Wins 5
Losses 7
Draws 9
Win Rate 24%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 5 3 27%
Black 2 4 4 20%

Recent Matches

Vries de, C. (Carel) (1863) 2026-03-28 DRAW +1.8
Bosch van den, R. (Rijk) (1895) 2026-03-07 DRAW +2.9
Sosef, N.S. (Noah) (1820) 2026-02-01 LOSS -11.8
Lemmen, G. (Gerrit) (1828) 2026-01-31 LOSS -11.5
Couwelaers, A.A.A. (Guus) (1852) 2026-01-30 DRAW +1.8
Pelser, A. (Abel) (1830) 2026-01-28 WIN +13.6
Ingen van, R. (Rik) (1857) 2026-01-27 WIN +14.5
Heijink, R.C. (Rob) (1840) 2026-01-26 DRAW +1.4
Schaffrath, C.K. (Claus) (1862) 2026-01-25 DRAW +2.2
Kazi, Z. (Zidan) (1812) 2026-01-24 DRAW +0.4
Donauer Daniel (1846) 2026-01-23 DRAW +1.6
Broersma, H. (Henk) (1944) 2025-11-22 LOSS -7.7
Melgers, J.A. (Jaap) (1598) 2025-11-01 WIN +5.9
Samper, S. (Santiago) (1891) 2025-09-20 LOSS -9.8
Mosterd, J. (Johan) (1788) 2025-03-08 WIN +12.1
Kraker de, J.A. (Johnny) (1952) 2024-11-23 LOSS -8.0
Hakvoort, R.C. (Remy) (1865) 2024-11-21 LOSS -10.9
Oskam, C. (Caspar) (1899) 2024-03-02 DRAW +2.9
Ruitenbeek, M. (Mike) (1552) 2024-02-03 DRAW -4.9
Bettman, J. (Jan) (1711) 2023-11-04 LOSS -12.5