Bar Blitz KNSB FIDE
ZK

Zyon Kollen

Rated since January 2023

2343 Classic
2349 Rapid
2349 Blitz
Zyon's accounts
FIDE KNSB
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RIVALRY

Nemesis
Boer de, B. (Bas)
Games: 3 · Win rate: 33%
Kryptonite
Maatman, N.M. (Nick)
Games: 3 · Win rate: 33%

The good & the bad

Best wins
Schoppen, C. (Casper) (GM) 2560
Belgian Interclubs Round 2025-2026 Ronde 4 · Sunday 23 November 2025
Maatman, N.M. (Nick) (IM) 2411
11017 KNSB competitie 2024-2025 Meesterklasse ronde 8 · Saturday 5 April 2025
Steczek, Marcin (FM) 2366
2. Bundesliga Nord 2022-2023 February 2023 · Sunday 5 February 2023
Lombaers, P.J. (Peter) (FM) 2355
10700 KNSB competitie 2024-2025 Meesterklasse ronde 7 · Saturday 8 March 2025
Ruzhansky, E. (Elias) (FM) 2326
Belgian Interclubs 2024-2025 Round 9 · Sunday 16 March 2025
Worst losses
Boer de, B. (Bas) (CM) 2170
Belgian Interclubs Round 2025-2026 Ronde 2 · Sunday 12 October 2025
Albers, S. (Saša) (FM) 2283
8427 Chess Festival Groningen Open A · Sunday 22 December 2024
Jaiveer Mahendru (FM) 2294
6935 Chess Festival Groningen Open A · Saturday 30 December 2023
Arnold, R.N.R. (Rhys) (FM) 2313
12404 Open competitie Charlois Europoort Maart CE Maart · Friday 13 March 2026
Strating, S. (Sybolt) (FM) 2315
9795 KNSB competitie 2024-2025 Meesterklasse ronde 3 · Saturday 9 November 2024
Belgian Interclubs Round 2025-2026 Ronde 11 Sunday 19 April 2026 +0–1=0 -5.0
Belgian Interclubs Round 2025-2026 Ronde 10 Sunday 29 March 2026 +0–1=0 -6.4
Belgian Interclubs Round 2025-2026 Ronde 9 Sunday 15 March 2026 +1–0=0 +5.5
Belgian Interclubs Round 2025-2026 Ronde 8 Sunday 1 March 2026 +0–1=0 -5.0
Belgian Interclubs Round 2025-2026 Ronde 7 Sunday 8 February 2026 +0–0=1 +1.9
Belgian Interclubs Round 2025-2026 Ronde 6 Sunday 25 January 2026 +1–0=0 +0.1
Belgian Interclubs Round 2025-2026 Ronde 5 Sunday 7 December 2025 +0–1=0 -5.1
Belgian Interclubs Round 2025-2026 Ronde 4 Sunday 23 November 2025 +1–0=0 +8.9
Belgian Interclubs Round 2025-2026 Ronde 3 Sunday 16 November 2025 +0–0=1 -2.2
Belgian Interclubs Round 2025-2026 Ronde 2 Sunday 12 October 2025 +0–1=0 -8.7
KNSB competitie 2025-2026 Meesterklasse ronde 6 Saturday 20 September 2025 +0–0=1 +1.2
KNSB competitie 2025-2026 Meesterklasse ronde 7 Saturday 20 September 2025 +0–1=0 -6.6
KNSB competitie 2025-2026 Meesterklasse ronde 5 Saturday 20 September 2025 +1–0=0 +3.6
KNSB competitie 2025-2026 Meesterklasse ronde 2 Saturday 20 September 2025 +0–0=1 -0.1
KNSB competitie 2025-2026 Meesterklasse ronde 1 Saturday 20 September 2025 +0–0=1 +0.0
Open interne competitie Charlois Europoort Interne deel 1 Friday 21 February 2025 +1–0=0 +2.5
2. Bundesliga Nord 2024-2025 Februar 2025 Saturday 1 February 2025 +0–1=1 -6.2
2. Bundesliga Nord 2024-2025 Januar 2025 Friday 10 January 2025 +1–2=0 -3.2
Chess Festival Groningen Open A Saturday 21 December 2024 +3–1=5 -2.7
2. Bundesliga Nord 2024-2025 November 2024 Friday 29 November 2024 +1–0=0 +5.0
KNSB competitie 2024-2025 Meesterklasse ronde 9 Saturday 21 September 2024 +0–0=1 -2.1
KNSB competitie 2024-2025 Meesterklasse ronde 8 Saturday 21 September 2024 +1–0=0 +7.0
KNSB competitie 2024-2025 Meesterklasse ronde 7 Saturday 21 September 2024 +1–0=0 +6.0
KNSB competitie 2024-2025 Meesterklasse ronde 6 Saturday 21 September 2024 +0–0=1 +0.2
KNSB competitie 2024-2025 Meesterklasse ronde 5 Saturday 21 September 2024 +0–0=1 +2.4
KNSB competitie 2024-2025 Meesterklasse ronde 4 Saturday 21 September 2024 +0–0=1 +2.6
KNSB competitie 2024-2025 Meesterklasse ronde 3 Saturday 21 September 2024 +0–1=0 -6.8
KNSB competitie 2024-2025 Meesterklasse ronde 2 Saturday 21 September 2024 +1–0=0 +4.9
KNSB competitie 2024-2025 Meesterklasse ronde 1 Saturday 21 September 2024 +1–0=0 +3.3
2. Bundesliga West 2023-2024 March 2024 Saturday 16 March 2024 +0–0=1 -1.8
Chess Festival Groningen Open A Thursday 21 December 2023 +3–3=3 +0.1
2. Bundesliga West 2023-2024 December 2023 Saturday 2 December 2023 +0–0=2 -1.0
2. Bundesliga West 2023-2024 October 2023 Saturday 21 October 2023 +0–1=1 -5.5
KNSB competitie 2023-2024 Meesterklasse ronde 9 Saturday 16 September 2023 +1–0=0 +5.7
KNSB competitie 2023-2024 Meesterklasse ronde 8 Saturday 16 September 2023 +1–0=0 +3.1
KNSB competitie 2023-2024 Meesterklasse ronde 7 Saturday 16 September 2023 +0–0=1 +0.1
KNSB competitie 2023-2024 Meesterklasse ronde 6 Saturday 16 September 2023 +1–0=0 +4.6
KNSB competitie 2023-2024 Meesterklasse ronde 5 Saturday 16 September 2023 +0–1=0 -2.0
KNSB competitie 2023-2024 Meesterklasse ronde 4 Saturday 16 September 2023 +0–0=1 +0.2
KNSB competitie 2023-2024 Meesterklasse ronde 3 Saturday 16 September 2023 +0–1=0 -3.2
KNSB competitie 2023-2024 Meesterklasse ronde 2 Saturday 16 September 2023 +1–0=0 +2.6
KNSB competitie 2023-2024 Meesterklasse ronde 1 Saturday 16 September 2023 +0–0=1 -1.8
2. Bundesliga Nord 2022-2023 February 2023 Saturday 4 February 2023 +1–1=2 +0.4
2. Bundesliga Nord 2022-2023 November 2022 Saturday 26 November 2022 +1–0=1 +5.4
Open competitie Charlois Europoort Maart CE Maart Thursday 26 February 2026 +0–1=0 -6.1
SBO Cup 2025/2026 Finale Wednesday 1 October 2025 +1–0=0 +6.0
Belgian Interclubs Round 2025-2026 Ronde 1 Sunday 28 September 2025 +0–0=1 +0.9
KNSB competitie 2025-2026 KNSB Beker ronde 2 voor november rating Saturday 20 September 2025 +0–1=0 -5.9
Open competitie Charlois Europoort Maart CE Maart Monday 1 September 2025 +0–1=0 -6.9
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +1–0=0 +2.7
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +0–0=1 -3.0
Belgian Interclubs 2024-2025 Round 11 Sunday 27 April 2025 +1–0=0 +2.7
Belgian Interclubs 2024-2025 Round 10 Sunday 30 March 2025 +1–0=0 +2.9
Belgian Interclubs 2024-2025 Round 9 Sunday 16 March 2025 +1–0=0 +5.5
Belgian Interclubs 2024-2025 Round 8 Sunday 16 February 2025 +0–0=1 +1.6
Belgian Interclubs 2024-2025 Round 6 Sunday 26 January 2025 +0–0=1 +1.7
Belgian Interclubs 2024-2025 Round 5 Sunday 1 December 2024 +1–0=0 +1.5
Belgian Interclubs 2024-2025 Round 4 Sunday 17 November 2024 +0–0=1 -2.5
Belgian Interclubs 2024-2025 Round 3 Sunday 3 November 2024 +1–0=0 +5.1
Belgian Interclubs 2024-2025 Round 2 Sunday 6 October 2024 +0–0=1 +0.7
SBO Cup 2024/2025 Finale Tuesday 1 October 2024 +0–0=1 +0.1
Belgian Interclubs 2024-2025 Round 1 Sunday 29 September 2024 +0–1=0 -6.5
KNSB competitie 2024-2025 KNSB Beker ronde 3 voor februarilijst Saturday 21 September 2024 +0–0=1 +0.5
KNSB competitie 2024-2025 KNSB Beker ronde 1 voor decemberlijst Saturday 21 September 2024 +1–0=0 +1.9
RSB Competitie 2024-2025 Beker ronde 4 Sunday 1 September 2024 +0–0=1 -3.4
SOS Competitie 2024/2025 2025-03 Sunday 1 September 2024 +1–0=0 +0.2
SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +0–0=1 -5.4
Belgian Interclubs 2023-2024 Round 11 Sunday 21 April 2024 +0–0=1 +0.0
Belgian Interclubs 2023-2024 Round 9 Sunday 10 March 2024 +0–0=1 +2.2
Belgian Interclubs 2023-2024 Round 7 Sunday 4 February 2024 +0–1=0 -6.2
Belgian Interclubs 2023-2024 Round 6 Sunday 28 January 2024 +1–0=0 +4.6
Belgian Interclubs 2023-2024 Round 4 Sunday 19 November 2023 +0–1=0 -4.2
SBO Cup 2023/2024 Achtste finale (uiterlijk 22 december) Monday 30 October 2023 +1–0=0 +0.4
Belgian Interclubs 2023-2024 Round 2 Sunday 15 October 2023 +0–0=1 -0.6
Belgian Interclubs 2023-2024 Round 1 Saturday 23 September 2023 +0–1=0 -4.8
KNSB competitie 2023-2024 KNSB Beker 2023-2024 voor decemberlijst Saturday 16 September 2023 +1–0=0 +3.2
SOS Competitie 2023/2024 April 2024 Friday 1 September 2023 +1–0=0 +3.9
SOS Competitie 2023/2024 Maart 2024 Friday 1 September 2023 +1–0=0 +2.6
SOS Competitie 2023/2024 Februari 2024 Friday 1 September 2023 +1–0=0 +3.7
KNSB competitie 2022-2023 Meesterklasse ronde 8 Saturday 17 September 2022 +0–1=0 -6.3
KNSB competitie 2022-2023 Meesterklasse ronde 6 Saturday 17 September 2022 +0–1=0 -5.5
KNSB competitie 2022-2023 Meesterklasse ronde 5 Saturday 17 September 2022 +0–0=1 +0.4

Team Competition

Current teams
Charlois Europoort 1
Meesterklasse · 2025-2026 · 5 games
S.V. Lonneker 1
HKA · 2025-2026 · 2 games
Past teams
Charlois Europoort 1
Meesterklasse · 2024-2025
S.V. Lonneker 1
HKA · 2024-2025
Charlois Europoort 1
Meesterklasse · 2023-2024
Lonneker 1
HKA · 2023-2024
Charlois Europoort 1
Meesterklasse · 2022-2023
Charlois Europoort 1
Meesterklasse · 2021-2022

Rating History

Loading KNSB rating history...

Peak Ratings

Classic 2369 May 1, 2025
Rapid 2352 March 1, 2026
Blitz 2352 March 1, 2026

Games

Wins 38
Losses 27
Draws 42
Win Rate 36%

Performance by Color

ColorWinsDrawsLossesWin Rate
White 24 20 13 42%
Black 14 22 14 28%

Recent KNSB Matches

FM Bertholee, R.C.H. (Rob) (2307) Tuesday 2 June 2026 WIN +6.0
FM Suvorov, L. (Luca) (2423) Sunday 19 April 2026 LOSS -5.0
IM Verstraeten, R.W. (Rein) (2339) Sunday 29 March 2026 LOSS -6.4
IM Dijkhuis, T. (Tycho) (2423) Saturday 28 March 2026 DRAW +1.2
IM Piceu, T. (Tom) (2309) Sunday 15 March 2026 WIN +5.5
FM Arnold, R.N.R. (Rhys) (2313) Friday 13 March 2026 LOSS -6.9
FM Arnold, R.N.R. (Rhys) (2354) Friday 13 March 2026 LOSS -6.1
IM Fiebig, T. (Thomas) (2425) Sunday 1 March 2026 LOSS -5.0
GM Shchekachev, A. (Andrei) (2474) Sunday 8 February 2026 DRAW +1.9
FM Pauly, C. (Carlo) (2325) Saturday 7 February 2026 LOSS -6.6
Corbeel, Louis (1628) Sunday 25 January 2026 WIN +0.1
CM Bus, T.G. (Tom) (2128) Friday 16 January 2026 WIN +2.7
CM Sprangers, R. (Remco) (2197) Saturday 13 December 2025 WIN +3.6
IM Beukema, S.O.R. (Stefan) (2414) Sunday 7 December 2025 LOSS -5.1
GM Schoppen, C. (Casper) (2560) Sunday 23 November 2025 WIN +8.9
Praet, M. (Maarten) (2225) Sunday 16 November 2025 DRAW -2.2
CM Boer de, B. (Bas) (2167) Friday 14 November 2025 DRAW -3.0
IM Kroeze, F.M. (Frank) (2362) Saturday 25 October 2025 LOSS -5.9
CM Boer de, B. (Bas) (2170) Sunday 12 October 2025 LOSS -8.7
IM Kerigan, D. (Demre) (2366) Saturday 4 October 2025 DRAW -0.1