KNSB FIDE
MH

Marc Heertjes

Rated since January 2023

1721 Classic
1726 Rapid
1726 Blitz

RIVALRY

Nemesis
Berg van den, S.J.P. (Bas)
Games: 4 · Win rate: 50%
Kryptonite
Best de, B. (Boris)
Games: 4 · Win rate: 0%
Easy Target
Alayoubi, N. (Nizar)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
SPIL, A.L. (BERT) 1912
9053 Interne competitie Caïssa-Eenhoorn 2023-2024 T/m mei · Tuesday 14 May 2024
KROL VAN DE, S.T. (SERNIN) 1864
10979 Interne competitie Caïssa-Eenhoorn 2024-2025 2025-04-01 · Tuesday 1 April 2025
WIT DE, M. (MARTIJN) 1845
10794 Interne competitie Caïssa-Eenhoorn 2024-2025 2025-03-18 · Tuesday 18 March 2025
ROMKES, E.J. (ERIK) 1831
10003 Interne competitie Caïssa-Eenhoorn 2024-2025 T/m november · Tuesday 19 November 2024
DIJK VAN, T. (TON) 1796
10183 Interne competitie Caïssa-Eenhoorn 2024-2025 2024-12-03 · Tuesday 3 December 2024
Worst losses
SUIKER, J. (JELLE) 1344
7746 Interne competitie Caïssa-Eenhoorn 2023-2024 T/m oktober · Tuesday 26 September 2023
AARTEN, M.M. (MARJOLEIN) 1361
7613 Oscar Romero Open Hoorns Kampioenschap 2023 + PK NHSB Groep C · Friday 1 September 2023
BEST DE, B. (BORIS) 1485
8339 Interne competitie Caïssa-Eenhoorn 2023-2024 T/m januari · Tuesday 23 January 2024
DRUIJF, W.J. (WOUT) 1531
6658 Interne competitie Caïssa-Eenhoorn 2022-2023 T/m februari · Tuesday 7 February 2023
COENRADIE, M.A. (MARK) 1560
12282 Caïssa-Eenhoorn interne competitie 04-11-2025 t/m 04-11-2025 (090008) · Tuesday 4 November 2025
Oscar Romero Open Hoorns Kampioenschap 2025 + PK NHSB Groep B Friday 22 August 2025 +1–2=2 -4.1
Caïssa-Eenhoorn interne competitie 19-05-2026 t/m 19-05-2026 (090008) Monday 1 September 2025 +0–1=0 -13.6
Caïssa-Eenhoorn interne competitie 12-05-2026 t/m 12-05-2026 (090008) Monday 1 September 2025 +0–0=1 -1.9
Caïssa-Eenhoorn interne competitie 05-05-2026 t/m 05-05-2026 (090008) Monday 1 September 2025 +1–0=0 +10.4
Caïssa-Eenhoorn interne competitie 28-04-2026 t/m 28-04-2026 (090008) Monday 1 September 2025 +0–1=0 -10.6
Caïssa-Eenhoorn interne competitie 21-04-2026 t/m 21-04-2026 (090008) Monday 1 September 2025 +1–0=0 +10.3
Caïssa-Eenhoorn interne competitie 14-04-2026 t/m 14-04-2026 (090008) Monday 1 September 2025 +0–0=1 -2.0
Caïssa-Eenhoorn interne competitie 07-04-2026 t/m 07-04-2026 (090008) Monday 1 September 2025 +1–0=0 +11.3
Caïssa-Eenhoorn interne competitie 31-03-2026 t/m 31-03-2026 (090008) Monday 1 September 2025 +0–1=0 -9.1
Caïssa-Eenhoorn interne competitie 17-03-2026 t/m 17-03-2026 (090008) Monday 1 September 2025 +0–1=0 -12.8
Caïssa-Eenhoorn interne competitie 10-03-2026 t/m 10-03-2026 (090008) Monday 1 September 2025 +0–0=1 +3.1
Caïssa-Eenhoorn interne competitie 03-03-2026 t/m 03-03-2026 (090008) Monday 1 September 2025 +1–0=0 +15.8
Caïssa-Eenhoorn interne competitie 17-02-2026 t/m 17-02-2026 (090008) Monday 1 September 2025 +0–1=0 -9.4
Caïssa-Eenhoorn interne competitie 10-02-2026 t/m 10-02-2026 (090008) Monday 1 September 2025 +0–0=1 -1.2
Caïssa-Eenhoorn interne competitie 03-02-2026 t/m 03-02-2026 (090008) Monday 1 September 2025 +0–1=0 -9.9
Caïssa-Eenhoorn interne competitie 27-01-2026 t/m 27-01-2026 (090008) Monday 1 September 2025 +0–1=0 -10.9
Caïssa-Eenhoorn interne competitie 20-01-2026 t/m 20-01-2026 (090008) Monday 1 September 2025 +1–0=0 +9.5
Caïssa-Eenhoorn interne competitie 13-01-2026 t/m 13-01-2026 (090008) Monday 1 September 2025 +1–0=0 +11.2
Caïssa-Eenhoorn interne competitie 06-01-2026 t/m 06-01-2026 (090008) Monday 1 September 2025 +0–1=0 -13.9
Caïssa-Eenhoorn interne competitie 23-12-2025 t/m 23-12-2025 (090008) Monday 1 September 2025 +1–0=0 +14.7
Caïssa-Eenhoorn interne competitie 09-12-2025 t/m 09-12-2025 (090008) Monday 1 September 2025 +1–0=0 +14.4
Caïssa-Eenhoorn interne competitie 02-12-2025 t/m 02-12-2025 (090008) Monday 1 September 2025 +1–0=0
Caïssa-Eenhoorn interne competitie 11-11-2025 t/m 11-11-2025 (090008) Monday 1 September 2025 +0–0=1 -9.9
Caïssa-Eenhoorn interne competitie 04-11-2025 t/m 04-11-2025 (090008) Monday 1 September 2025 +0–1=0 -18.8
Caïssa-Eenhoorn interne competitie 28-10-2025 t/m 28-10-2025 (090008) Monday 1 September 2025 +0–1=0 -10.1
Caïssa-Eenhoorn interne competitie 14-10-2025 t/m 14-10-2025 (090008) Monday 1 September 2025 +0–1=0 -1.8
Caïssa-Eenhoorn interne competitie 07-10-2025 t/m 07-10-2025 (090008) Monday 1 September 2025 +1–0=0 +2.5
Caïssa-Eenhoorn interne competitie 30-09-2025 t/m 30-09-2025 (090008) Monday 1 September 2025 +1–0=0
Interne competitie Caïssa-Eenhoorn 2025-2026 2025-09-23 Monday 1 September 2025 +0–1=0 -17.7
Interne competitie Caïssa-Eenhoorn 2025-2026 2025-09-16 Monday 1 September 2025 +0–0=1 +1.9
Interne competitie Caïssa-Eenhoorn 2025-2026 2025-09-09 Monday 1 September 2025 +0–1=0 -9.0
KNSB competitie 2024-2025 Klasse 5 ronde 4 Saturday 21 September 2024 +0–0=1 +3.0
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-05-20 Sunday 1 September 2024 +0–0=1 -1.0
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-05-13 Sunday 1 September 2024 +0–1=0 -11.2
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-05-06 Sunday 1 September 2024 +0–1=0 -7.7
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-04-15 Sunday 1 September 2024 +0–0=1 +1.8
NHSB-competitie 2024-2025 Klasse 3B t/m 13-04-2025 Sunday 1 September 2024 +0–1=0 -13.0
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-04-08 Sunday 1 September 2024 +1–0=0 +10.6
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-04-01 Sunday 1 September 2024 +1–0=0 +15.1
NHSB-competitie 2024-2025 Klasse 3B t/m 29-03-2025 Sunday 1 September 2024 +0–1=0 -19.1
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-03-18 Sunday 1 September 2024 +1–0=0 +14.9
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-03-11 Sunday 1 September 2024 +1–0=0 +10.5
NHSB-competitie 2024-2025 Klasse 3B t/m 09-03-2025 Sunday 1 September 2024 +1–0=0 +5.1
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-02-25 Sunday 1 September 2024 +0–1=0 -11.7
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-02-11 Sunday 1 September 2024 +0–0=1 -0.8
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-02-04 Sunday 1 September 2024 +0–1=0 -8.3
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-01-28 Sunday 1 September 2024 +0–1=0 -12.9
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-01-21 Sunday 1 September 2024 +1–0=0 +15.6
Interne competitie Caïssa-Eenhoorn 2024-2025 2025-01-14 Sunday 1 September 2024 +0–0=1 -1.5
Interne competitie Caïssa-Eenhoorn 2024-2025 2024-12-17 Sunday 1 September 2024 +0–0=1 +2.6
Interne competitie Caïssa-Eenhoorn 2024-2025 2024-12-03 Sunday 1 September 2024 +1–0=0 +12.9
Interne competitie Caïssa-Eenhoorn 2024-2025 T/m november Sunday 1 September 2024 +1–3=0 -20.3
Interne competitie Caïssa-Eenhoorn 2024-2025 T/m oktober Sunday 1 September 2024 +4–0=0 +44.2
Interne competitie Caïssa-Eenhoorn 2024-2025 T/m september Sunday 1 September 2024 +1–1=0 +3.4
Oscar Romero Open Hoorns Kampioenschap 2024 + PK NHSB Groep B Friday 30 August 2024 +0–3=2 -30.4
Interne competitie Caïssa-Eenhoorn 2023-2024 T/m mei Friday 1 September 2023 +2–1=1 +32.5
Interne competitie Caïssa-Eenhoorn 2023-2024 T/m april Friday 1 September 2023 +2–1=0 +23.9
Interne competitie Caïssa-Eenhoorn 2023-2024 T/m maart Friday 1 September 2023 +2–3=0 -3.5
Interne competitie Caïssa-Eenhoorn 2023-2024 T/m februari Friday 1 September 2023 +2–0=0 +33.1
Interne competitie Caïssa-Eenhoorn 2023-2024 T/m januari Friday 1 September 2023 +2–1=0 +19.9
Interne competitie Caïssa-Eenhoorn 2023-2024 T/m december Friday 1 September 2023 +1–0=1 +3.4
Interne competitie Caïssa-Eenhoorn 2023-2024 T/m november Friday 1 September 2023 +1–3=0 -12.5
Interne competitie Caïssa-Eenhoorn 2023-2024 T/m oktober Friday 1 September 2023 +1–2=1 -18.1
Interne competitie Caïssa-Eenhoorn 2023-2024 T/m september Friday 1 September 2023 +1–0=1 +15.8
Oscar Romero Open Hoorns Kampioenschap 2023 + PK NHSB Groep C Friday 1 September 2023 +3–1=0 +18.4
Interne competitie Caïssa-Eenhoorn 2022-2023 T/m mei Tuesday 20 September 2022 +0–3=1 -41.9
Interne competitie Caïssa-Eenhoorn 2022-2023 T/m april Tuesday 20 September 2022 +2–1=1 +61.2
Interne competitie Caïssa-Eenhoorn 2022-2023 T/m maart Tuesday 20 September 2022 +0–0=1 +12.0
Interne competitie Caïssa-Eenhoorn 2022-2023 T/m februari Tuesday 20 September 2022 +3–1=0 +69.3
Interne competitie Caïssa-Eenhoorn 2022-2023 T/m januari Tuesday 20 September 2022 +0–2=0 -12.8
Interne competitie Caïssa-Eenhoorn 2022-2023 t/m december Tuesday 20 September 2022 +1–1=1 +53.0

Team Competition

Current team
Caissa-Eenhoorn 3
Klasse 5G · 2024-2025 · 1 game

Rating History

Loading rating history...

Peak Ratings

Classic 1803 May 1, 2025
Rapid 1726 April 1, 2026
Blitz 1726 April 1, 2026

Games

Wins 48
Losses 49
Draws 24
Win Rate 40%

Performance by Color

Color Wins Draws Losses Win Rate
White 22 14 24 37%
Black 26 10 25 43%

Recent Matches

Bravenboer, R. (Remco) (1696) Tuesday 19 May 2026 LOSS -13.6
Baank, M.A.R.C. (Marc) (1671) Tuesday 12 May 2026 DRAW -1.9
Alayoubi, N. (Nizar) (1665) Tuesday 5 May 2026 WIN +10.4
Berg van den, S.J.P. (Bas) (1780) Tuesday 28 April 2026 LOSS -10.6
Swart, A. (Alex) (1663) Tuesday 21 April 2026 WIN +10.3
Groenendijk, C. (Cees) (1667) Tuesday 14 April 2026 DRAW -2.0
Laan, A.A. (Aad) (1692) Tuesday 7 April 2026 WIN +11.3
Best de, B. (Boris) (1819) Tuesday 31 March 2026 LOSS -9.1
Buysman, J.H.M. (Co) (1711) Tuesday 17 March 2026 LOSS -12.8
Lankveld van, K.J.A. (Koen) (1811) Tuesday 10 March 2026 DRAW +3.1
Spil, A.L. (Bert) (1817) Tuesday 3 March 2026 WIN +15.8
Jong de, J. (Jelle) (1832) Tuesday 17 February 2026 LOSS -9.4
Druijf, W.J. (Wout) (1706) Tuesday 10 February 2026 DRAW -1.2
Waart de, S.C. (Steven) (1816) Tuesday 3 February 2026 LOSS -9.9
Aardenburg, P.D. (Piet) (1792) Tuesday 27 January 2026 LOSS -10.9
Tsymbal, M.T. (Maksym) (1659) Tuesday 20 January 2026 WIN +9.5
Laan, A.A. (Aad) (1707) Tuesday 13 January 2026 WIN +11.2
Groenendijk, C. (Cees) (1704) Tuesday 6 January 2026 LOSS -13.9
Roos, G. (Gerrit) (1780) Tuesday 23 December 2025 WIN +14.7
Berg van den, S.J.P. (Bas) (1770) Tuesday 9 December 2025 WIN +14.4