KNSB FIDE
MH

Marc Heertjes

Rated since January 2023

1726 Classic
1726 Rapid
1726 Blitz

RIVALRY

Nemesis
Laan, A.A. (Aad)
Games: 4 · Win rate: 50%
Kryptonite
Buysman, J.H.M. (Co)
Games: 3 · Win rate: 0%
Easy Target
Spil, A.L. (Bert)
Games: 4 · Win rate: 75%

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 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

Rating History

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Peak Ratings

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

Games

Wins 45
Losses 46
Draws 22
Win Rate 40%

Performance by Color

Color Wins Draws Losses Win Rate
White 21 13 22 38%
Black 24 9 24 42%

Recent Matches

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
Tsymbal, M.T. (Maksym) Tuesday 2 December 2025 WIN
Alst van, J. (Jordi) (1394) Tuesday 11 November 2025 DRAW -9.9
Coenradie, M.A. (Mark) (1560) Tuesday 4 November 2025 LOSS -18.8
Vries de, J. (Hans) (1825) Tuesday 28 October 2025 LOSS -10.1
Manshanden, N.M. (Nick) (2172) Tuesday 14 October 2025 LOSS -1.8
Maarl van de, J.A. (Joël) (1385) Tuesday 7 October 2025 WIN +2.5
Kuin, P.J. (Peter) Tuesday 30 September 2025 WIN
Swart, A. (Alex) (1622) Tuesday 23 September 2025 LOSS -17.7