KNSB FIDE
SE

Sipke Ernst

Rated since January 2023

2545 Classic
2488 Rapid
2520 Blitz

RIVALRY

Nemesis
Reinderman, D. (Dimitri)
Games: 4 · Win rate: 50%
Kryptonite
Vrolijk, L.N. (Liam)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
AMI L', E. (ERWIN) (GM) 2619
10064 NK schaken 2025 Algemeen · Saturday 5 July 2025
ANDERSEN, M. (MADS) (GM) 2600
1. Bundesliga 2023-2024 February 2024 · Sunday 4 February 2024
LIVAIC, LEON (GM) 2591
Southend Masters 2023 · Monday 10 April 2023
HELLERS, FERDINAND (GM) 2586
Allsvenskan 2024-2025 Elitserien r1-3 · Saturday 5 October 2024
MESHKOVS, NIKITA (GM) 2562
2. Bundesliga Nord 2025-2026 Februar 2026 · Sunday 8 February 2026
Worst losses
BERG VAN DER, W. (WESSEL) 1985
13297 FK Rapid voor teams - · Saturday 21 March 2026
JONG DE, M. (MIGCHIEL) (IM) 2261
13297 FK Rapid voor teams - · Saturday 21 March 2026
PHAM, K.V. (KHOI) (IM) 2385
9041 16e BPB Limburg Open 2024 tienkamp Groep A · Thursday 16 May 2024
HAN, Y. (YICHEN) (IM) 2398
Southend Masters 2023 · Sunday 9 April 2023
WILLOW, JONAH B (IM) 2416
4th Wood Green Invitational · Friday 12 July 2024
KNSB competitie 2026-2027 Meesterklasse ronde 1 Saturday 19 September 2026 +0–1=0 -5.2
Belgian Interclubs Round 2025-2026 Ronde 11 Sunday 19 April 2026 +0–0=1 +2.2
2. Bundesliga Nord 2025-2026 Maerz 2026 Sunday 1 March 2026 +1–0=0 +4.7
2. Bundesliga Nord 2025-2026 Februar 2026 Friday 6 February 2026 +2–0=2 +10.8
2. Bundesliga Nord 2025-2026 Januar 2026 Friday 16 January 2026 +2–0=0 +7.5
2. Bundesliga Nord 2025-2026 Dezember 2025 Saturday 6 December 2025 +0–0=2 -0.7
Belgian Interclubs Round 2025-2026 Ronde 4 Sunday 23 November 2025 +0–0=1 -0.5
2. Bundesliga Nord 2025-2026 September 2025 Saturday 27 September 2025 +0–1=1 -4.5
KNSB competitie 2025-2026 Meesterklasse ronde 6 Saturday 20 September 2025 +1–0=0 +2.0
KNSB competitie 2025-2026 Meesterklasse ronde 8 Saturday 20 September 2025 +0–0=1 -2.5
KNSB competitie 2025-2026 Meesterklasse ronde 7 Saturday 20 September 2025 +0–0=1 -1.1
KNSB competitie 2025-2026 Meesterklasse ronde 5 Saturday 20 September 2025 +1–0=0 +1.4
KNSB competitie 2025-2026 Meesterklasse ronde 4 Saturday 20 September 2025 +0–0=1 -2.8
KNSB competitie 2025-2026 Meesterklasse ronde 3 Saturday 20 September 2025 +1–0=0 +2.4
KNSB competitie 2025-2026 Meesterklasse ronde 2 Saturday 20 September 2025 +1–0=0 +1.8
KNSB competitie 2025-2026 Meesterklasse ronde 1 Saturday 20 September 2025 +0–0=1 -1.9
2. Bundesliga Nord 2024-2025 Februar 2025 Saturday 1 February 2025 +1–2=1 -7.9
2. Bundesliga Nord 2024-2025 Januar 2025 Friday 10 January 2025 +1–0=2 +3.0
2. Bundesliga Nord 2024-2025 Dezember 2024 Sunday 1 December 2024 +0–0=1 +0.1
2. Bundesliga Nord 2024-2025 November 2024 Friday 29 November 2024 +0–1=0 -6.1
KNSB competitie 2024-2025 Meesterklasse ronde 9 Saturday 21 September 2024 +1–0=0 +2.0
KNSB competitie 2024-2025 Meesterklasse ronde 8 Saturday 21 September 2024 +0–0=1 -1.3
KNSB competitie 2024-2025 Meesterklasse ronde 6 Saturday 21 September 2024 +1–0=0 +3.0
KNSB competitie 2024-2025 Meesterklasse ronde 5 Saturday 21 September 2024 +1–0=0 +0.4
KNSB competitie 2024-2025 Meesterklasse ronde 3 Saturday 21 September 2024 +1–0=0 +2.6
KNSB competitie 2024-2025 Meesterklasse ronde 2 Saturday 21 September 2024 +0–0=1 +2.3
KNSB competitie 2024-2025 Meesterklasse ronde 1 Saturday 21 September 2024 +1–0=0 +2.7
16e BPB Limburg Open 2024 tienkamp Groep A Wednesday 15 May 2024 +2–3=4 -15.0
1. Bundesliga 2023-2024 April 2024 Saturday 27 April 2024 +1–0=1 +3.0
1. Bundesliga 2023-2024 February 2024 Saturday 3 February 2024 +1–1=2 +0.3
Hoogeveen 2023 Open Groep A Saturday 21 October 2023 +5–2=2 -10.0
KNSB competitie 2023-2024 Meesterklasse ronde 9 Saturday 16 September 2023 +1–0=0 +2.4
KNSB competitie 2023-2024 Meesterklasse ronde 8 Saturday 16 September 2023 +0–0=1 -2.0
KNSB competitie 2023-2024 Meesterklasse ronde 7 Saturday 16 September 2023 +0–1=0 -5.0
KNSB competitie 2023-2024 Meesterklasse ronde 4 Saturday 16 September 2023 +1–0=0 +3.9
KNSB competitie 2023-2024 Meesterklasse ronde 3 Saturday 16 September 2023 +0–0=1 +0.6
KNSB competitie 2023-2024 Meesterklasse ronde 2 Saturday 16 September 2023 +1–0=0 +0.1
KNSB competitie 2023-2024 Meesterklasse ronde 1 Saturday 16 September 2023 +0–0=1 -1.4
15e BPB Limburg Open 2023 Groep A Friday 26 May 2023 +4–0=2 +6.8
1. Bundesliga 2022-2023 April 2023 Saturday 1 April 2023 +1–0=1 +5.9
1. Bundesliga 2022-2023 February 2023 Friday 3 February 2023 +1–1=0 +1.7
1. Bundesliga 2022-2023 November 2022 Friday 25 November 2022 +0–0=2 -1.0
OLOMOUC CHESS SUMMER 2026 - A Sunday 16 August 2026 +6–0=3 +11.2
NK Schaken 2026 Open Saturday 4 July 2026 +1–0=3 +2.3
FK Rapid voor teams - Saturday 21 March 2026 +3–2=2 -23.9
Open Internacional Ciudad de Oviedo 2025 Monday 21 July 2025 +6–0=3 +1.7
NK schaken 2025 Algemeen Saturday 5 July 2025 +1–1=0 +2.9
Open NOSBO Rapidkampioenschap Groep A Saturday 14 June 2025 +5–0=2 -2.3
Belgian Interclubs 2024-2025 Round 9 Sunday 16 March 2025 +1–0=0 +2.9
Allsvenskan 2024-2025 Elitserien r7-9 Friday 7 March 2025 +1–1=1 -2.6
Belgian Interclubs 2024-2025 Round 8 Sunday 16 February 2025 +1–0=0 +4.6
Belgian Interclubs 2024-2025 Round 6 Sunday 26 January 2025 +0–0=1 -3.1
Allsvenskan 2024-2025 Elitserien r1-3 Friday 4 October 2024 +2–1=0 +5.2
4th Wood Green Invitational Friday 12 July 2024 +4–1=4 +0.6
NK schaken 2024 NK algemeen 2024 Saturday 6 July 2024 +0–1=1 -4.6
CIS 2024 - Serie A1 Girone 1 Friday 15 March 2024 +3–1=1 +0.3
Belgian Interclubs 2023-2024 Round 9 Sunday 10 March 2024 +0–0=1 -0.5
Belgian Interclubs 2023-2024 Round 8 Sunday 18 February 2024 +0–1=0 -4.9
Belgian Interclubs 2023-2024 Round 5 Sunday 3 December 2023 +0–1=0 -4.9
21. Premijer liga Bosne i Hercegovine Tuesday 31 October 2023 +3–2=3 -4.6
Belgian Interclubs 2023-2024 Round 1 Saturday 23 September 2023 +1–0=0 +2.8
NK schaken 2023 NK algemeen Sunday 2 July 2023 +2–1=1 +9.8
CIS 2023 - Serie A2 Girone 1 Friday 19 May 2023 +3–0=2 -2.3
Belgian Interclubs 2022-2023 Ronde 11 Sunday 30 April 2023 +0–0=1 -0.2
Belgian Interclubs 2022-2023 Ronde 10 Sunday 16 April 2023 +1–0=0 +3.8
Southend Masters 2023 Thursday 6 April 2023 +3–1=5 +0.9
Belgian Interclubs 2022-2023 Ronde 9 Sunday 19 March 2023 +0–0=1 -0.7
Belgian Interclubs 2022-2023 Ronde 8 Sunday 5 March 2023 +1–0=0 +2.9
Belgian Interclubs 2022-2023 Ronde 7 Sunday 12 February 2023 +0–0=1 -0.3
FE 15 Citta' di Messina - A Monday 2 January 2023 +5–0=4 +6.9
NK schaken NK algemeen Wednesday 21 December 2022 +0–0=2 +1.6
Belgian Interclubs 2022-2023 Ronde 5 Sunday 4 December 2022 +0–0=1 +1.4
KNSB competitie 2022-2023 Meesterklasse ronde 9 Saturday 17 September 2022 +0–0=1 -1.1
KNSB competitie 2022-2023 Meesterklasse ronde 7 Saturday 17 September 2022 +1–0=0 +2.1
KNSB competitie 2022-2023 Meesterklasse ronde 6 Saturday 17 September 2022 +0–1=0 -5.0
KNSB competitie 2022-2023 Meesterklasse ronde 5 Saturday 17 September 2022 +1–0=0 +4.3
KNSB competitie 2022-2023 Beker ronde 2 Saturday 17 September 2022 +1–0=0 +0.7

Team Competition

Current team
Groninger Combinatie 1
Meesterklasse · 2025-2026 · 8 games
Past teams
Groninger Combinatie 1
Meesterklasse · 2024-2025
Groninger Combinatie 1
Meesterklasse · 2023-2024
Groninger Combinatie 1
Meesterklasse · 2022-2023
Groninger Combinatie 1
Meesterklasse · 2021-2022

Rating History

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Peak Ratings

Classic 2546 Aug. 1, 2023
Rapid 2512 July 1, 2025
Blitz 2520 March 1, 2026

Games

Wins 90
Losses 28
Draws 78
Win Rate 46%

Performance by Color

Color Wins Draws Losses Win Rate
White 49 26 16 54%
Black 41 52 12 39%

Recent Matches

GM Vrolijk, L.N. (Liam) (2524) Saturday 19 September 2026 LOSS -5.2
FM Brzezina, Piotr (2398) Sunday 23 August 2026 WIN +3.1
GM Simacek, Pavel (2372) Saturday 22 August 2026 DRAW -2.2
IM Efroimski, M. (Marsel) (2360) Friday 21 August 2026 WIN +2.7
FM Szwed, Jacek (2301) Thursday 20 August 2026 WIN +2.0
FM Delgerdalai, Bayarjavkhlan (2392) Wednesday 19 August 2026 WIN +3.0
GM Mirzoev, Azer (2401) Tuesday 18 August 2026 DRAW -1.9
IM Lende van der, I. (Ilias) (2372) Monday 17 August 2026 WIN +2.8
WGM Rakshitta Ravi (2352) Monday 17 August 2026 WIN +2.6
IM Admiraal, M. (Miguoel) (2474) Sunday 16 August 2026 DRAW -0.9
GM Vrolijk, L.N. (Liam) (2520) Tuesday 7 July 2026 DRAW -0.2
GM Vrolijk, L.N. (Liam) (2520) Monday 6 July 2026 DRAW -0.2
IM Winter de, A. (Arthur) (2455) Sunday 5 July 2026 WIN +3.9
IM Winter de, A. (Arthur) (2455) Saturday 4 July 2026 DRAW -1.1
GM Eljanov, P. (Pavel) (2682) Sunday 19 April 2026 DRAW +2.2
IM Bosman, M.J.T. (Michiel) (2283) Saturday 28 March 2026 WIN +2.0
IM Jong de, M. (Migchiel) (2261) Saturday 21 March 2026 LOSS -8.1
Nicolai, A.M. (Amir) (2176) Saturday 21 March 2026 DRAW -3.8
Viersma, M. (Murk) (1961) Saturday 21 March 2026 WIN +0.3
Berg van der, W. (Wessel) (1985) Saturday 21 March 2026 LOSS -9.7