EK

Eef Kok

Rated since January 2023

1563 Classic
1553 Rapid
1563 Blitz

Team Competition

Current team
Rijswijk 4
3e klasse · 2025-2026 · 1 game
Past teams
Rijswijk 3
klasse 2A · 2021-2022
1 game
Rijswijk 4
klasse 4 · 2021-2022
1 game

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
KROON, P. (PEER) 1630
13466 HSB competitie 2025-2026 4tallenmaart2026 · Thursday 26 March 2026
VERHAAR, H. (HUIB) 1571
8718 HSB competitie 2023-2024 Kwartetten maart · Tuesday 5 March 2024
KOLMESCHATE VAN, R. (ROB) 1495
9971 HSB competitie 2024-2025 4tallenNov · Tuesday 12 November 2024
MAURITZ, R. (RAYMOND) 1408
12187 HSB competitie 2025-2026 October 4tallen · Monday 27 October 2025
Worst losses
MASTOP, G.A.G. (GUIDO) 1299
8473 HSB competitie 2023-2024 Kwartetten 2023-2024 januari · Tuesday 16 January 2024
MASTOP, G.M. (GUIDO) 1474
8473 HSB competitie 2023-2024 Kwartetten 2023-2024 januari · Tuesday 16 January 2024
KROON, P. (PEER) 1582
12765 HSB competitie 2025-2026 DecemberJanuari 4tal 2526 · Tuesday 16 December 2025
HUANG, Z. (ZIYANG) 1644
11911 HSB competitie 2025-2026 September 2025 · Tuesday 23 September 2025
No FIDE-rated tournaments found.
HSB competitie 2025-2026 4tallenmaart2026 Monday 1 September 2025 +1–0=0 +50.3
HSB competitie 2025-2026 4tallenjanuari2026 Monday 1 September 2025 +0–0=1 -26.0
HSB competitie 2025-2026 DecemberJanuari 4tal 2526 Monday 1 September 2025 +0–1=0 -44.2
HSB competitie 2025-2026 October 4tallen Monday 1 September 2025 +1–0=0 +29.6
HSB competitie 2025-2026 September 2025 Monday 1 September 2025 +0–1=0
HSB competitie 2024-2025 4talFeb2025 Sunday 1 September 2024 +1–0=0
HSB competitie 2024-2025 4tallenDecember Sunday 1 September 2024 +1–0=0
HSB competitie 2024-2025 4tallenNov Sunday 1 September 2024 +1–0=0
HSB competitie 2023-2024 Viertallen april Monday 18 September 2023 +0–2=0 -27.1
HSB competitie 2023-2024 Kwartetten maart Monday 18 September 2023 +1–0=0
HSB competitie 2023-2024 Kwartetten 2023-2024 januari Monday 18 September 2023 +0–2=0 -29.9
HSB competitie 2023-2024 Kwartetten december Monday 18 September 2023 +1–0=0

Rating History

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Peak Ratings

Classic 1583 Nov. 1, 2025
Rapid 1553 Dec. 1, 2024
Blitz 1563 April 1, 2026

Games

Wins 7
Losses 6
Draws 1
Win Rate 50%

Performance by Color

Color Wins Draws Losses Win Rate
White 2 1 3 33%
Black 5 0 3 62%

Recent Matches

Kroon, P. (Peer) (1630) Thursday 26 March 2026 WIN +50.3
Berg van den, C. (Chris) (1348) Tuesday 20 January 2026 DRAW -26.0
Kroon, P. (Peer) (1582) Tuesday 16 December 2025 LOSS -44.2
Mauritz, R. (Raymond) (1408) Monday 27 October 2025 WIN +29.6
Huang, Z. (Ziyang) (1644) Tuesday 23 September 2025 LOSS
Verbeek, T. (Theo) Monday 10 February 2025 WIN
Faber, A. (Anson) Thursday 12 December 2024 WIN
Kolmeschate van, R. (Rob) (1495) Tuesday 12 November 2024 WIN
Mastop, G.M. (Guido) (1747) Thursday 4 April 2024 LOSS
Mastop, G.A.G. (Guido) (1711) Thursday 4 April 2024 LOSS -27.1
Verhaar, H. (Huib) (1571) Tuesday 5 March 2024 WIN
Mastop, G.M. (Guido) (1474) Tuesday 16 January 2024 LOSS
Mastop, G.A.G. (Guido) (1299) Tuesday 16 January 2024 LOSS -29.9
Niedospial, K. (Katarzyna) Thursday 14 December 2023 WIN