KNSB FIDE
EB

Erik Bosma

Rated since January 2023

2090 Classic
2092 Rapid
1924 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BOEL, M.E. (MARCEL) 2222
6730 KNSB competitie 2022-2023 Klasse 2 ronde 7 · Saturday 11 March 2023
BIELDERMAN, G.H. (GUY) 2107
9642 KNSB competitie 2024-2025 Klasse 3 ronde 2 · Saturday 12 October 2024
OFFRINGA, G.J. (JOHAN) 2089
9949 KNSB competitie 2024-2025 Klasse 3 ronde 4 · Saturday 23 November 2024
RAPPARD VAN, D.M. (DIEDERIK) 2085
12263 KNSB competitie 2025-2026 Klasse 3 ronde 3 · Saturday 1 November 2025
OVEREEM, M. (MARC) (FM) 2073
12408 KNSB competitie 2025-2026 Klasse 3 Ronde 4 · Saturday 22 November 2025
Worst losses
OUDHEUSDEN VAN, J. (JASON) 1729
Snelschaak Teams (tijdens NK 2024) · Saturday 13 July 2024
BOONSTRA, J. (JASPER) 1873
Snelschaak Teams (tijdens NK 2024) · Saturday 13 July 2024
OLREE, A. (ALEX) 1913
Snelschaak Teams (tijdens NK 2024) · Saturday 13 July 2024
ROOKUS, S.P. (SJOERD) 1922
7639 KNSB competitie 2023-2024 Klasse 3 ronde 2 · Saturday 7 October 2023
WALLE VAN DE, R.P.M. (ROB) 1934
Snelschaak Teams (tijdens NK 2024) · Saturday 13 July 2024
Tata Steel Chess Tournament 2025 Dagvierkampen Friday 17 January 2025 +0–0=3 +0.1
Tata Steel Chess Tournament 2023 Weekendvierkampen Friday 13 January 2023 +0–2=1 -14.9
KNSB competitie 2025-2026 Klasse 3 ronde 9 Saturday 20 September 2025 +0–0=1 -1.9
KNSB competitie 2025-2026 Klasse 3 ronde 7 Saturday 20 September 2025 +0–0=1 -0.3
KNSB competitie 2025-2026 Klasse 3 ronde 5 Saturday 20 September 2025 +0–0=1 -1.3
KNSB competitie 2025-2026 Klasse 3 Ronde 4 Saturday 20 September 2025 +1–0=0 +12.7
KNSB competitie 2025-2026 Klasse 3 ronde 3 Saturday 20 September 2025 +1–0=0 +13.1
KNSB competitie 2025-2026 Klasse 3 ronde 2 Saturday 20 September 2025 +0–0=1 +4.3
KNSB competitie 2025-2026 Klasse 3 ronde 1 Saturday 20 September 2025 +0–0=1 -2.8
KNSB competitie 2024-2025 Klasse 3 ronde 9 Saturday 21 September 2024 +0–0=1 -2.1
KNSB competitie 2024-2025 Klasse 3 ronde 8 Saturday 21 September 2024 +0–1=0 -9.6
KNSB competitie 2024-2025 Klasse 3 ronde 7 Saturday 21 September 2024 +0–0=1 +2.0
KNSB competitie 2024-2025 Klasse 3 ronde 6 Saturday 21 September 2024 +0–0=1 +0.1
KNSB competitie 2024-2025 Klasse 3 ronde 5 Saturday 21 September 2024 +0–1=0 -14.2
KNSB competitie 2024-2025 Klasse 3 ronde 4 Saturday 21 September 2024 +1–0=0 +13.1
KNSB competitie 2024-2025 Klasse 3 ronde 3 + inhaalwedstrijd ronde 1 Saturday 21 September 2024 +0–0=1 +1.8
KNSB competitie 2024-2025 Klasse 3 ronde 2 Saturday 21 September 2024 +1–0=0 +14.2
KNSB competitie 2024-2025 Klasse 3 ronde 1 Saturday 21 September 2024 +1–0=0 +10.2
FSB-competitie 24-25 FSB-beker finale Sunday 1 September 2024 +0–0=1 +3.3
Snelschaak Teams (tijdens NK 2024) Saturday 13 July 2024 +2–11=5 -123.2
KNSB competitie 2023-2024 Klasse 3 ronde 9 Saturday 16 September 2023 +0–0=1 -2.2
KNSB competitie 2023-2024 Klasse 3 ronde 8 Saturday 16 September 2023 +0–0=1 +2.4
KNSB competitie 2023-2024 Klasse 3 ronde 7 Saturday 16 September 2023 +0–0=1 -2.5
KNSB competitie 2023-2024 Klasse 3 ronde 6 Saturday 16 September 2023 +1–0=0 +11.0
KNSB competitie 2023-2024 Klasse 3 ronde 5 Saturday 16 September 2023 +1–0=0 +13.5
KNSB competitie 2023-2024 KNSB Beker 2023-2024 voor januarilijst Saturday 16 September 2023 +0–0=1 +2.1
KNSB competitie 2023-2024 Klasse 3 ronde 4 Saturday 16 September 2023 +0–0=1 -2.2
KNSB competitie 2023-2024 Klasse 3 ronde 3 Saturday 16 September 2023 +0–0=1 +4.2
KNSB competitie 2023-2024 Klasse 3 ronde 2 Saturday 16 September 2023 +0–1=0 -16.4
KNSB competitie 2023-2024 Klasse 3 ronde 1 Saturday 16 September 2023 +0–0=1 -1.5
KNSB competitie 2022-2023 Klasse 2 ronde 9 Saturday 17 September 2022 +0–0=1 -0.2
KNSB competitie 2022-2023 Klasse 2 ronde 7 Saturday 17 September 2022 +1–0=0 +19.1
KNSB competitie 2022-2023 Klasse 2 ronde 6 Saturday 17 September 2022 +0–1=0 -5.6
KNSB competitie 2022-2023 Klasse 2 ronde 5 Saturday 17 September 2022 +0–1=0 -4.5
KNSB competitie 2022-2023 Klasse 2 ronde 4 Saturday 17 September 2022 +1–0=0 +5.0

Team Competition

Current team
Emanuel Lasker 1
Klasse 3C · 2025-2026 · 8 games
Past teams
E. Lasker
Beker · 2024-2025
Emanuel Lasker 1
Klasse 3A · 2024-2025
Emanuel Lasker 1
Klasse 3A · 2023-2024
Emanuel Lasker 1
Klasse 2A · 2022-2023
E. Lasker 1
Hoofdklasse · 2021-2022
Emanuel Lasker 1
Klasse 2A · 2021-2022

Rating History

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Peak Ratings

Classic 2093 Dec. 1, 2025
Rapid 2092 March 1, 2026
Blitz 1924 Oct. 1, 2024

Games

Wins 11
Losses 18
Draws 27
Win Rate 20%

Performance by Color

Color Wins Draws Losses Win Rate
White 8 12 9 28%
Black 3 15 9 11%

Recent Matches

Geus de, G.J. (Gerard) (2038) Saturday 11 April 2026 DRAW -1.9
Habig, B.R. (Bryan) (2083) Saturday 7 February 2026 DRAW -0.3
Abcouwer, J.B. (Jan-Bart) (2055) Saturday 13 December 2025 DRAW -1.3
FM Overeem, M. (Marc) (2073) Saturday 22 November 2025 WIN +12.7
Rappard van, D.M. (Diederik) (2085) Saturday 1 November 2025 WIN +13.1
FM Duijn, R. (Rob) (2191) Saturday 4 October 2025 DRAW +4.3
Argirov, D. (Dimitar) (1986) Saturday 20 September 2025 DRAW -2.8
Sarink, E.M. (Edwin) (2008) Saturday 10 May 2025 DRAW -2.1
Weggen, J.V. (Jeroen) (2169) Friday 11 April 2025 DRAW +3.3
Kroon, R.C. (Roelof) (2157) Saturday 5 April 2025 LOSS -9.6
Riksten, M.J. (Martin) (2130) Saturday 8 March 2025 DRAW +2.0
Funke, R. (Reinhard) (2075) Saturday 8 February 2025 DRAW +0.1
CM Theulings, P.P. (Paul-Peter) (2077) Wednesday 22 January 2025 DRAW +0.2
Kruijf, C.A. (Caspar) (1932) Tuesday 21 January 2025 DRAW -4.7
FM Poel van der, H. (Henk) (2210) Monday 20 January 2025 DRAW +4.6
FM Clemens, A.H.P. (Adrian) (2037) Saturday 14 December 2024 LOSS -14.2
Offringa, G.J. (Johan) (2089) Saturday 23 November 2024 WIN +13.1
Bos van den, J. (Jokim) (2124) Saturday 9 November 2024 DRAW +1.8
Bielderman, G.H. (Guy) (2107) Saturday 12 October 2024 WIN +14.2
Kuitert, C. (Christian) (1981) Saturday 21 September 2024 WIN +10.2