KNSB FIDE
RB

Rein de Boer

Rated since January 2023

2069 Classic
2069 Rapid
2069 Blitz

RIVALRY

Nemesis
Schriemer, O. (Oene)
Games: 10 · Win rate: 50%
Kryptonite
Sparenberg, E. (Erik)
Games: 5 · Win rate: 0%

The good & the bad

Best wins
JONG DE, M. (MIGCHIEL) (IM) 2264
11324 K.S.C. Philidor 1847 interne competitie 04-03-2025 t/m 21-05-2025 (0… · Tuesday 20 May 2025
TORN, L.H. (BERT) 2130
8370 KNSB competitie 2023-2024 Klasse 1 ronde 6 · Saturday 3 February 2024
HOLLMANN, L.G. (LUDGER) 2099
12990 KNSB competitie 2025-2026 Klasse 3 ronde 7 · Saturday 7 February 2026
ARABI, O. (OSAMA) 2089
12017 FSB-competitie 2025-2026 ronde 4 1e klasse · Monday 15 December 2025
BROERSMA, S. (SVEN) 2086
7866 FSB-competitie 23-24 hoofdklasse ronde 3. · Friday 12 January 2024
Worst losses
BAVEL VAN, F. (FERDI) 1793
7130 Fries Kampioenschap Groep A · Thursday 22 June 2023
WOUDA, R. (RICK) 1813
6235 KNSB competitie 2022-2023 Klasse 4 ronde 5 · Saturday 17 December 2022
BLEEKVELD, J. (JAAP) 1886
8299 FSB-competitie 23-24 hoofdklasse ronde 5 · Thursday 15 February 2024
KRUIT, E.A. (ERIK) 1889
9103 Philidor 1847 play-off 2024 Groep A · Tuesday 26 March 2024
VELDE, J. (JAN) 1899
10495 KNSB competitie 2024-2025 Klasse 4 ronde 6 · Saturday 8 February 2025
85e Daniel Noteboomtoernooi Groep A Friday 20 February 2026 +0–2=4 -17.8
17e BPB Limburg Open 2025 Groep B Friday 6 June 2025 +3–2=1 +0.9
Waling Dijkstra Weekendtoernooi 2025 - Friday 14 November 2025 +3–2=1 +1.3
KNSB competitie 2025-2026 Klasse 3 ronde 7 Saturday 20 September 2025 +1–0=0 +14.6
KNSB competitie 2025-2026 Klasse 3 Ronde 4 Saturday 20 September 2025 +0–0=1 +3.1
KNSB competitie 2025-2026 Klasse 3 ronde 3 Saturday 20 September 2025 +0–0=1 +1.2
KNSB competitie 2025-2026 Klasse 3 ronde 1 Saturday 20 September 2025 +0–0=1 -2.5
K.S.C. Philidor 1847 interne competitie 26-01-2026 t/m 09-02-2026 (0… Monday 8 September 2025 +2–0=0 +19.8
K.S.C. Philidor 1847 interne competitie 12-01-2026 t/m 19-01-2026 (0… Monday 8 September 2025 +1–0=1 +7.4
K.S.C. Philidor 1847 interne competitie 27-10-2025 t/m 22-12-2025 (0… Monday 8 September 2025 +3–2=1 +5.3
K.S.C. Philidor 1847 interne competitie 29-09-2025 t/m 20-10-2025 (0… Monday 8 September 2025 +1–1=1 -5.7
K.S.C. Philidor 1847 interne competitie 08-09-2025 t/m 22-09-2025 (0… Monday 8 September 2025 +2–1=0 +11.1
FSB-competitie 2025-2026 ronde 4 1e klasse Monday 1 September 2025 +1–0=0 +14.8
FSB-competitie 2025-2026 ronde 3 1e klasse Monday 1 September 2025 +0–1=0 -12.2
FSB-competitie 2025-2026 ronde 2 1e klasse Monday 1 September 2025 +1–0=0 +8.6
FSB-competitie 2025-2026 ronde 1 1e klasse Monday 1 September 2025 +0–0=1 +0.9
K.S.C. Philidor 1847 interne competitie 27-05-2025 t/m 27-05-2025 (0… Monday 3 March 2025 +0–1=0 -12.6
K.S.C. Philidor 1847 interne competitie 04-03-2025 t/m 21-05-2025 (0… Monday 3 March 2025 +2–1=3 +14.5
K.S.C. Philidor 1847 interne competitie 04-03-2025 t/m 20-05-2025 (0… Monday 3 March 2025 +0–0=1 -4.1
Waling Dijkstra Weekendtoernooi Groep A Friday 15 November 2024 +3–2=1 +11.2
KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … Saturday 21 September 2024 +1–0=0 +6.5
KNSB competitie 2024-2025 Klasse 4 ronde 7 Saturday 21 September 2024 +0–0=1 -1.5
KNSB competitie 2024-2025 Klasse 4 ronde 6 Saturday 21 September 2024 +0–1=0 -16.6
KNSB competitie 2024-2025 Klasse 4 ronde 5 Saturday 21 September 2024 +1–0=0 +6.5
KNSB competitie 2024-2025 Klasse 4 ronde 4 Saturday 21 September 2024 +1–0=0 +9.0
KNSB competitie 2024-2025 Klasse 4 ronde 2 Saturday 21 September 2024 +0–1=0 -13.6
KNSB competitie 2024-2025 Klasse 4 ronde 1 Saturday 21 September 2024 +0–1=0 -9.4
K.S.C. Philidor 1847 interne competitie 28-01-2025 t/m 18-02-2025 (0… Monday 9 September 2024 +0–1=2 -4.8
K.S.C. Philidor 1847 interne competitie 07-01-2025 t/m 14-01-2025 (01… Monday 9 September 2024 +1–0=0 +1.4
K.S.C. Philidor 1847 interne competitie 03-12-2024 t/m 17-12-2024 (0… Monday 9 September 2024 +2–0=0 +14.9
K.S.C. Philidor 1847 interne competitie 29-10-2024 t/m 19-11-2024 (010026) Monday 9 September 2024 +2–0=0 +3.3
K.S.C. Philidor 1847 interne competitie 01-10-2024 t/m 22-10-2024 (010026) Monday 9 September 2024 +0–1=0 -8.1
K.S.C. Philidor 1847 interne competitie 10-09-2024 t/m 24-09-2024 (010026) Monday 9 September 2024 +0–3=0 -29.2
FSB-competitie 24-25 ronde 5 hoofdklasse Sunday 1 September 2024 +0–0=1 +3.7
FSB-competitie 24-25 ronde 4 hoofdklasse Sunday 1 September 2024 +0–0=1 +6.1
FSB-competitie 24-25 ronde 3 hoofdklasse Sunday 1 September 2024 +0–1=0 -4.2
FSB-competitie 24-25 FSB-competitie 24-25 ronde 2 hoofdklasse Sunday 1 September 2024 +1–0=0 +14.9
FSB-competitie 24-25 Groep A Sunday 1 September 2024 +0–1=0 -10.5
Fries Kampioenschap Groep A Tuesday 11 June 2024 +2–0=5 -13.6
Philidor 1847 play-off 2024 Groep A Tuesday 19 March 2024 +1–3=2 -20.0
Waling Dijkstra Weekendtoernooi Groep A Friday 10 November 2023 +3–1=2 -1.0
KNSB competitie 2023-2024 Klasse 3 ronde 9 Saturday 16 September 2023 +1–0=0 +12.1
KNSB competitie 2023-2024 Klasse 3 ronde 7 Saturday 16 September 2023 +1–0=0 +13.1
KNSB competitie 2023-2024 Klasse 1 ronde 6 Saturday 16 September 2023 +1–0=0 +16.8
KNSB competitie 2023-2024 Klasse 3 ronde 5 Saturday 16 September 2023 +0–0=1 +7.5
KNSB competitie 2023-2024 Klasse 3 ronde 4 Saturday 16 September 2023 +1–0=0 +13.4
KNSB competitie 2023-2024 Klasse 3 ronde 1 Saturday 16 September 2023 +1–0=0 +15.3
K.S.C. Philidor 1847 interne competitie 09-01-2024 t/m 23-01-2024 (010026) Tuesday 12 September 2023 +1–1=0 +2.3
K.S.C. Philidor 1847 interne competitie 28-11-2023 t/m 12-12-2023 (010026) Tuesday 12 September 2023 +1–0=2 +19.2
K.S.C. Philidor 1847 interne competitie 31-10-2023 t/m 21-11-2023 (010026) Tuesday 12 September 2023 +0–1=1 -12.2
K.S.C. Philidor 1847 interne competitie 26-09-2023 t/m 24-10-2023 (010026) Tuesday 12 September 2023 +1–1=1 +3.2
K.S.C. Philidor 1847 interne competitie 12-09-2023 t/m 19-09-2023 (010026) Tuesday 12 September 2023 +1–0=1 +9.2
FSB-competitie 23-24 hoofdklasse ronde 7 Friday 1 September 2023 +1–0=0 +10.8
K.S.C. Philidor 1847 interne competitie 30-01-2024 t/m 12-03-2024 (010026) Friday 1 September 2023 +2–0=0 +22.3
FSB-competitie 23-24 hoofdklasse ronde 5 Friday 1 September 2023 +0–1=0 -16.5
FSB-competitie 23-24 hoofdklasse ronde 4 Friday 1 September 2023 +1–0=0 +5.1
FSB-competitie 23-24 hoofdklasse ronde 3. Friday 1 September 2023 +1–0=0 +16.1
FSB-competitie 23-24 hoofdklasse ronde 2 Friday 1 September 2023 +0–1=0 -10.3
FSB-competitie 23-24 hoofdklasse ronde 1 Friday 1 September 2023 +0–1=0 -2.6
Fries Kampioenschap Groep A Tuesday 20 June 2023 +5–1=0 +21.9
TAPIJTGIGANT OPEN ASK 2023 Groep B Friday 24 March 2023 +4–1=1 +35.1
Lentecompetitie Philidor Groep A Tuesday 7 March 2023 +3–0=2 -4.5
K.S.C. Philidor 1847 interne competitie 30-11-2022 t/m 20-12-2022 (010026) Sunday 27 November 2022 +1–3=0 -28.8
FSB competitie 22-23 ronde 7 Saturday 1 October 2022 +1–0=0 +3.6
FSB competitie 22-23 ronde 6 Saturday 1 October 2022 +0–0=1 -6.6
FSB competitie 22-23 ronde 5 Saturday 1 October 2022 +1–0=0 +5.1
KNSB competitie 2022-2023 Klasse 4 ronde 7 Saturday 17 September 2022 +1–0=0 +7.0
KNSB competitie 2022-2023 Klasse 4 ronde 6 Saturday 17 September 2022 +0–0=1 +1.7
KNSB competitie 2022-2023 Klasse 4 ronde 5 Saturday 17 September 2022 +0–1=0 -16.6
KNSB competitie 2022-2023 Klasse 4 ronde 4 Saturday 17 September 2022 +0–0=1 -0.7
K.S.C. Philidor 1847 interne competitie 28-02-2023 t/m 28-02-2023 (010026) Tuesday 13 September 2022 +0–0=1 +8.8
K.S.C. Philidor 1847 interne competitie 27-12-2022 t/m 21-02-2023 (010026) Tuesday 13 September 2022 +2–1=1 -7.3
K.S.C. Philidor 1847 interne competitie 02-11-2022 t/m 23-11-2022 (010026) Tuesday 13 September 2022 +0–2=1 -14.5

Rating History

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Peak Ratings

Classic 2069 April 1, 2026
Rapid 2069 April 1, 2026
Blitz 2069 April 1, 2026

Games

Wins 70
Losses 44
Draws 47
Win Rate 43%

Performance by Color

Color Wins Draws Losses Win Rate
White 39 23 20 48%
Black 31 24 24 39%

Recent Matches

Schröer, M.J. (Marcel) (2136) Sunday 22 February 2026 DRAW +3.4
Aarts, J.S.D. (Joaquin) (2070) Sunday 22 February 2026 DRAW +1.1
Darie, A.C. (Aden) (2072) Saturday 21 February 2026 LOSS -11.3
Lehmann, Tim (1966) Saturday 21 February 2026 DRAW -2.5
Haaften van, J. (Jelle) (1929) Friday 20 February 2026 DRAW -3.7
IM Cernov, Vadim (2291) Friday 20 February 2026 LOSS -4.7
Hollmann, L.G. (Ludger) (2099) Saturday 7 February 2026 WIN +14.6
Hoop de, S. (Sipke) (2008) Monday 2 February 2026 WIN +11.5
Jong de, S.F.J. (Siegbert) (1908) Monday 26 January 2026 WIN +8.3
Hania, J. (Jan) (2184) Monday 19 January 2026 DRAW +5.1
Brinksma, P. (Pieter) (1655) Monday 12 January 2026 WIN +2.4
IM Jong de, M. (Migchiel) (2274) Monday 22 December 2025 LOSS -4.8
Arabi, O. (Osama) (2089) Monday 15 December 2025 WIN +14.8
Schriemer, O. (Oene) (2030) Monday 8 December 2025 DRAW +0.2
Bosma, P.G. (Pieter) (1707) Monday 1 December 2025 WIN +3.4
Banning, C. (Cees) (2018) Monday 24 November 2025 LOSS -12.2
Groenhuis, V. (Vincent) (2100) Saturday 22 November 2025 DRAW +3.1
Kruit, E.A. (Erik) (1929) Monday 17 November 2025 LOSS -15.3
Nicolai, A.M. (Amir) (2193) Sunday 16 November 2025 LOSS -6.5
Alnsirat, O. (Omar) (1818) Sunday 16 November 2025 WIN +6.3