KNSB FIDE
ZK

Zyon Kollen

Rated since January 2023

2349 Classic
2349 Rapid
2349 Blitz

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
STRATING, S. (SYBOLT) (FM) 2315
9795 KNSB competitie 2024-2025 Meesterklasse ronde 3 · Saturday 9 November 2024
SUVOROV, L. (LUCA) (FM) 2324
2. Bundesliga West 2023-2024 October 2023 · Saturday 21 October 2023
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 +2–0=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 +0–2=0 -13.2
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
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
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

Rating History

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Peak Ratings

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

Games

Wins 37
Losses 24
Draws 42
Win Rate 36%

Performance by Color

Color Wins Draws Losses Win Rate
White 23 20 12 42%
Black 14 22 12 29%

Recent Matches

IM Dijkhuis, T. (Tycho) (2423) Saturday 28 March 2026 DRAW +1.2
FM Arnold, R.N.R. (Rhys) (2354) Friday 13 March 2026 LOSS -6.1
GM Shchekachev, A. (Andrei) (2474) Sunday 8 February 2026 DRAW +1.9
FM Pauly, C. (Carlo) (2325) Saturday 7 February 2026 LOSS -6.6
FM Pauly, C. (Carlo) (2325) Saturday 7 February 2026 LOSS -6.6
Corbeel, Louis (1628) Sunday 25 January 2026 WIN +0.1
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
IM Pham, K.V. (Khoi) (2423) Sunday 28 September 2025 DRAW +0.9
IM Delft van, M. (Merijn) (2370) Saturday 20 September 2025 DRAW +0.0
IM Kroeze, F.M. (Frank) (2372) Friday 6 June 2025 DRAW +0.1
Straver, R. (Robert) (2133) Saturday 10 May 2025 DRAW -3.4