KNSB FIDE
MO

Mees van Osch

Rated since January 2023

2327 Classic
2367 Rapid
2309 Blitz

RIVALRY

Nemesis
Grutter, T.J. (Tim)
Games: 3 · Win rate: 33%

The good & the bad

Best wins
FEUERSTACK, A. (ALJOSCHA) (IM) 2464
6. Sparkassen-Schach-Open Leer A-Open · Tuesday 31 October 2023
LEVIN, F. (FELIX) (GM) 2455
2. Bundesliga West 2022-2023 November 2022 · Sunday 27 November 2022
NIJBOER, F.Z. (FRISO) (GM) 2442
Oberliga NRW 2024-2025 November 2024 · Saturday 9 November 2024
GRUTTER, T.J. (TIM) (IM) 2404
Chess Masters Ghent 2025 · Monday 21 July 2025
LAHAYE, R.R. (RICK) 2401
12261 KNSB competitie 2025-2026 Klasse 1 ronde 3 · Saturday 1 November 2025
Worst losses
APON, H. (IWAHN) 1987
10963 Johan van Mil Toernooi JvM · Sunday 27 April 2025
CLEMENS, A.H.P. (ADRIAN) (FM) 2037
8456 Chess Festival Groningen Compact · Friday 27 December 2024
MARGARYAN, A. (ARTUR) 2046
10963 Johan van Mil Toernooi JvM · Sunday 27 April 2025
KHABICHEV, VALERIY 2066
10963 Johan van Mil Toernooi JvM · Sunday 27 April 2025
PORTE, H. (HENRIK) 2113
13668 SOS competitie 2025/2026 Lijst 1 juli · Saturday 13 June 2026
Weekendtoernooi Groninger Combinatie / PK NOSBO Groep A Thursday 14 May 2026 +4–1=1 -7.8
TAPIJTGIGANT OPEN ASK 2026 Groep A Saturday 4 April 2026 +4–2=0 -2.9
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +4–1=4 +11.3
Chessfestival Groningen Compact Groep A Friday 26 December 2025 +3–0=2 -4.6
Oberliga NRW 2025-2026 November 2025 Saturday 8 November 2025 +0–1=1 -7.4
2. Bundesliga Nord 2025-2026 September 2025 Saturday 27 September 2025 +1–0=1 +3.1
Open Schaakkampioenschap van Arnhem Groep A Friday 5 September 2025 +4–0=1 +11.7
Johan van Mil Toernooi JvM Sunday 27 April 2025 +11–8=0 -51.8
1. Schachbundesliga 2024-2025 Maerz 2025 Saturday 22 March 2025 +0–1=0 -4.7
ASV Voorjaarstoernooi Groep A Saturday 15 March 2025 +5–0=2 +16.2
Chess Festival Groningen Compact Saturday 21 December 2024 +2–1=0 -7.7
39th European Club Cup Sunday 20 October 2024 +1–3=3 -8.3
HSG Open 2024 Groep A Friday 21 June 2024 +2–1=1 -10.4
16e BPB Limburg Open 2024 Groep A Friday 17 May 2024 +3–1=2 +0.4
1. Bundesliga 2023-2024 April 2024 Saturday 27 April 2024 +0–1=1 -0.4
HSG Open 2023 Groep A Friday 23 June 2023 +3–1=1 -0.9
15e BPB Limburg Open 2023 Groep A Friday 26 May 2023 +1–0=5 -10.3
2. Bundesliga West 2022-2023 March 2023 Saturday 18 March 2023 +0–2=0 -7.6
2. Bundesliga West 2022-2023 February 2023 Saturday 4 February 2023 +0–2=2 -10.8
2. Bundesliga West 2022-2023 November 2022 Saturday 26 November 2022 +1–0=0 +8.9
OSBO-Cup 2025/2026 26 maart tm finaledag Monday 1 December 2025 +1–0=1 -2.8
OSBO-Cup 2025/2026 per 26 maart Monday 1 December 2025 +1–0=0 +2.2
OSBO-Cup 2025/2026 Februari 2026 Monday 1 December 2025 +1–0=0 +0.4
KNSB competitie 2025-2026 Klasse 1 ronde 9 Saturday 20 September 2025 +1–0=0 +2.1
KNSB competitie 2025-2026 Klasse 1 ronde 6 Saturday 20 September 2025 +1–0=0 +4.1
KNSB competitie 2025-2026 Klasse 1 ronde 8 Saturday 20 September 2025 +1–0=0 +2.5
KNSB competitie 2025-2026 KNSB Beker ronde 3 voor maart rating Saturday 20 September 2025 +1–0=0 +2.1
KNSB competitie 2025-2026 Klasse 1 ronde 7 Saturday 20 September 2025 +1–0=0 +4.7
KNSB competitie 2025-2026 Klasse 1 ronde 5 Saturday 20 September 2025 +0–0=1 +0.1
KNSB competitie 2025-2026 Klasse 1 Ronde 4 Saturday 20 September 2025 +0–1=0 -6.2
KNSB competitie 2025-2026 Klasse 1 ronde 3 Saturday 20 September 2025 +1–0=0 +8.0
KNSB competitie 2025-2026 Klasse 1 ronde 2 Saturday 20 September 2025 +0–1=0 -8.4
KNSB competitie 2025-2026 Klasse 1 ronde 1 Saturday 20 September 2025 +0–0=1 +0.3
Oberliga NRW 2025-2026 September 2025 Sunday 14 September 2025 +0–1=0 -8.9
SOS competitie 2025/2026 Lijst 1 juli Monday 1 September 2025 +0–2=0 -17.2
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +1–0=0 +3.6
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +1–0=0 +1.6
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–1=0 -9.6
Chess Masters Ghent 2025 Saturday 19 July 2025 +2–4=3 -6.7
Oberliga NRW 2024-2025 Mai 2025 Saturday 3 May 2025 +0–1=1 -8.3
Oberliga NRW 2024-2025 April 2025 Saturday 5 April 2025 +0–0=1 -1.0
Oberliga NRW 2024-2025 Dezember 2024 Sunday 1 December 2024 +0–0=2 -0.2
Oberliga NRW 2024-2025 November 2024 Saturday 9 November 2024 +1–0=1 +8.4
7. Sparkassen Schach Open Leer A-Open Thursday 31 October 2024 +5–1=1 +8.2
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +1–0=0 +4.3
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +1–0=0 +5.6
KNSB competitie 2024-2025 Klasse 2 ronde 7 Saturday 21 September 2024 +1–0=0 +2.5
KNSB competitie 2024-2025 Klasse 2 ronde 6 Saturday 21 September 2024 +1–0=0 +2.0
KNSB competitie 2024-2025 Klasse 2 ronde 5 Saturday 21 September 2024 +0–0=1 -2.2
KNSB competitie 2024-2025 Klasse 2 ronde 4 Saturday 21 September 2024 +0–1=0 -8.2
KNSB competitie 2024-2025 Klasse 2 ronde 2 Saturday 21 September 2024 +1–0=0 +3.5
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +1–0=0 +2.5
Oberliga NRW 2024-2025 September 2024 Sunday 15 September 2024 +0–0=1 -0.9
Open Schaakkampioenschap van Arnhem Groep A Friday 6 September 2024 +3–2=1 -13.4
SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +1–0=0 +0.2
SOS Competitie 2024/2025 2025-03 Sunday 1 September 2024 +1–0=0 +1.0
Snelschaak Teams (tijdens NK 2024) Saturday 13 July 2024 +10–6=1 -5.7
Open Veens Groep A Thursday 30 May 2024 +5–0=1 +2.7
Oberliga NRW 2023-2024 April 2024 Sunday 7 April 2024 +1–0=0 +3.3
Oberliga NRW 2023-2024 March 2024 Sunday 10 March 2024 +0–0=1 -1.5
Oberliga NRW 2023-2024 February 2024 Sunday 18 February 2024 +1–0=0 +3.4
Oberliga NRW 2023-2024 November 2023 Sunday 19 November 2023 +1–0=0 +3.2
6. Sparkassen-Schach-Open Leer A-Open Saturday 28 October 2023 +5–0=2 +17.1
KNSB competitie 2023-2024 Klasse 1 ronde 9 Saturday 16 September 2023 +1–0=0 +4.5
KNSB competitie 2023-2024 Klasse 1 ronde 8 Saturday 16 September 2023 +1–0=0 +3.6
KNSB competitie 2023-2024 Klasse 1 ronde 7 Saturday 16 September 2023 +1–0=0 +5.4
KNSB competitie 2023-2024 Klasse 1 ronde 5 Saturday 16 September 2023 +0–1=0 -7.9
KNSB competitie 2023-2024 Klasse 1 ronde 4 Saturday 16 September 2023 +0–1=0 -7.2
KNSB competitie 2023-2024 Klasse 1 ronde 3 Saturday 16 September 2023 +0–0=1 -0.9
KNSB competitie 2023-2024 Klasse 1 ronde 2 Saturday 16 September 2023 +1–0=0 +3.7
KNSB competitie 2023-2024 Klasse 1 ronde 1 Saturday 16 September 2023 +1–0=0 +8.4
Open kampioenschap van Arnhem Groep A Friday 8 September 2023 +6–0=0 +20.3
44ste Open Internationaal toernooi Gent 2023 Saturday 15 July 2023 +5–0=4 -2.4
Open Veens Groep A Thursday 25 May 2023 +3–1=1 -3.2
Chess Festival Groningen Compact A Wednesday 21 December 2022 +4–0=1 +7.2
5. Schach Open Leer - A Open Friday 28 October 2022 +4–2=1 -9.9
KNSB competitie 2022-2023 Klasse 1 ronde 9 Saturday 17 September 2022 +0–0=1 -1.0
KNSB competitie 2022-2023 Klasse 1 ronde 8 Saturday 17 September 2022 +0–0=1 -3.3
KNSB competitie 2022-2023 Klasse 1 ronde 7 Saturday 17 September 2022 +1–0=0 +1.0
KNSB competitie 2022-2023 Klasse 1 ronde 6 Saturday 17 September 2022 +0–0=1 -1.8
KNSB competitie 2022-2023 Klasse 1 ronde 5 Saturday 17 September 2022 +1–0=0 +4.6
KNSB competitie 2022-2023 Klasse 1 ronde 4 Saturday 17 September 2022 +1–0=0 +4.4

Rating History

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Peak Ratings

Classic 2374 June 1, 2024
Rapid 2367 April 1, 2025
Blitz 2361 Oct. 1, 2024

Games

Wins 132
Losses 52
Draws 58
Win Rate 55%

Performance by Color

Color Wins Draws Losses Win Rate
White 74 28 27 57%
Black 58 30 25 51%

Recent Matches

Porte, H. (Henrik) (2113) Saturday 13 June 2026 LOSS -10.1
FM Bertholee, R.C.H. (Rob) (2307) Saturday 13 June 2026 LOSS -7.1
Timmer, M. (Michel) (1965) Sunday 17 May 2026 WIN +1.1
Aden, M. (Meino) (1949) Sunday 17 May 2026 WIN +1.0
Aden, Keno (1963) Saturday 16 May 2026 DRAW -5.1
Keuning, S. (Selwin) (2246) Friday 15 May 2026 LOSS -8.0
Knol, G.J. (Geon) (2052) Friday 15 May 2026 WIN +1.8
Bonnema, J.R. (Roy) (2007) Thursday 14 May 2026 WIN +1.4
Manders, R. (Robbie) (2060) Saturday 18 April 2026 DRAW -4.3
Manschot, T. (Thomas) (2017) Saturday 18 April 2026 WIN +1.4
Selten, J.P.G. (Jan) (2085) Saturday 11 April 2026 WIN +2.1
Wester, M.C.L. (Marijn) (2151) Monday 6 April 2026 WIN +2.9
Liempt van, M. (Michael) (2168) Monday 6 April 2026 LOSS -9.1
IM Riemersma, L. (Li) (2417) Sunday 5 April 2026 LOSS -5.1
Kamphuis, J. (Jasper) (2164) Sunday 5 April 2026 WIN +3.1
Groenewoud, J.J.R. (Joel) (2174) Saturday 4 April 2026 WIN +3.2
Hauwert, N.C.F. (Nico) (2089) Saturday 4 April 2026 WIN +2.1
FM Dijk van, H. (Harold) (2216) Saturday 28 March 2026 WIN +4.1
CM Bus, T.G. (Tom) (2081) Thursday 26 March 2026 WIN +2.2
Hagemeister, P.H. (Philipp) (2103) Saturday 7 March 2026 WIN +2.5