KNSB FIDE
TW

Teunis van der Werf

Rated since June 2025

1519 Classic
1558 Rapid
1558 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BRANDS, L. (LEO) 1654
12468 RSB Competitie 2025-2026 Viertallen November · Monday 24 November 2025
JONGE-SPIERING DE, S. (SHEILA) 1634
13446 RSB Competitie 2025-2026 Achttallen maart · Thursday 12 March 2026
TOOR VAN, L. (LEON) 1457
10413 RSB Competitie 2024-2025 8-tallen januari · Thursday 16 January 2025
MULLEM VAN, A.P. (ARIE-PIET) 1363
11545 RSB Competitie 2024-2025 4-tallen juni · Thursday 5 June 2025
CAPPELLEN VAN, J. (JULIAN) 1246
12993 KNSB competitie 2025-2026 Klasse 6 ronde 6 · Saturday 7 February 2026
Worst losses
JACOBS, F. (FRANS) 1526
12266 KNSB competitie 2025-2026 Klasse 6 ronde 2 · Saturday 1 November 2025
MEHMEDBASIC, M. (MIRSEN) 1549
13685 RSB Competitie 2025-2026 Achttallen april · Thursday 2 April 2026
NGUYEN, T. (TIM) 1584
12161 RSB Competitie 2025-2026 Viertallen Oktober · Tuesday 14 October 2025
SLOB, T.T. (THIJS) 1639
11336 RSB Competitie 2024-2025 4-tallen mei · Monday 12 May 2025
TAYTAS, E. (EMINE) 1676
10872 RSB Competitie 2024-2025 4-tallen maart · Thursday 13 March 2025
No FIDE-rated tournaments found.
KNSB competitie 2025-2026 Klasse 6 ronde 5 Saturday 20 September 2025 +0–0=1
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +0–0=1 +5.5
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +1–0=0 +11.3
KNSB competitie 2025-2026 Klasse 6 ronde 4 Saturday 20 September 2025 +0–1=0 -14.2
KNSB competitie 2025-2026 Klasse 6 ronde 2 Saturday 20 September 2025 +0–1=0 -33.8
KNSB competitie 2025-2026 Klasse 6 ronde 1 Saturday 20 September 2025 +0–0=1 +14.2
RSB Competitie 2025-2026 Achttallen juni Monday 1 September 2025 +0–0=1 -3.1
RSB Competitie 2025-2026 Viertallen mei Monday 1 September 2025 +0–1=0 -9.6
RSB Competitie 2025-2026 Achttallen mei Monday 1 September 2025 +0–0=1 -7.1
RSB Competitie 2025-2026 Viertallen april Monday 1 September 2025 +0–0=1 +7.8
RSB Competitie 2025-2026 Achttallen april Monday 1 September 2025 +0–1=0 -26.9
RSB Competitie 2025-2026 Viertallen maart Monday 1 September 2025 +0–0=1 +6.3
RSB Competitie 2025-2026 Achttallen maart Monday 1 September 2025 +1–0=0 +38.7
RSB Competitie 2025-2026 Viertallen februari Monday 1 September 2025 +0–1=0 -10.4
RSB Competitie 2025-2026 Viertallen November Monday 1 September 2025 +1–0=0 +50.4
RSB Competitie 2025-2026 Viertallen Oktober Monday 1 September 2025 +0–1=0 -34.0
RSB Competitie 2024-2025 4-tallen juni Sunday 1 September 2024 +1–0=0 +28.3
RSB Competitie 2024-2025 4-tallen mei Sunday 1 September 2024 +0–1=0
RSB Competitie 2024-2025 4-tallen april Sunday 1 September 2024 +0–0=1
RSB Competitie 2024-2025 4-tallen maart Sunday 1 September 2024 +0–1=0
RSB Competitie 2024-2025 8-tallen januari Sunday 1 September 2024 +1–0=0
RSB Competitie 2024-2025 4-tallen Januari Sunday 1 September 2024 +0–1=0
RSB Competitie 2024-2025 4-tallen december Sunday 1 September 2024 +0–0=1
RSB Competitie 2024-2025 4-tallen oktober Sunday 1 September 2024 +1–0=0
RSB Competitie 2023-2024 8-tallen november Friday 1 September 2023 +0–2=0

Rating History

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Peak Ratings

Classic 1558 April 1, 2026
Rapid 1558 April 1, 2026
Blitz 1558 April 1, 2026

Games

Wins 6
Losses 11
Draws 9
Win Rate 23%

Performance by Color

Color Wins Draws Losses Win Rate
White 1 5 7 8%
Black 5 4 4 38%

Recent Matches

Koot, L. (Leo) (1474) Thursday 4 June 2026 DRAW -3.1
Wortman, R. (Rik) (1785) Friday 22 May 2026 LOSS -9.6
Gijsen, J. (Johan) (1434) Thursday 7 May 2026 DRAW -7.1
Langendoen, A.I. (Arie) (1667) Thursday 16 April 2026 DRAW +7.8
Mehmedbasic, M. (Mirsen) (1549) Thursday 2 April 2026 LOSS -26.9
Sung, Y.L. (Yong Lin) Saturday 28 March 2026 DRAW
Edelman, J.J. (Jasper) (1587) Monday 16 March 2026 DRAW +6.3
Jonge-Spiering de, S. (Sheila) (1634) Thursday 12 March 2026 WIN +38.7
Koeleman, C.C.M. (Carlos) (1577) Saturday 7 March 2026 DRAW +5.5
Brijs, D. (Dirk) (1783) Thursday 12 February 2026 LOSS -10.4
Cappellen van, J. (Julian) (1246) Saturday 7 February 2026 WIN +11.3
Goeij de, J. (Jean) (1744) Saturday 13 December 2025 LOSS -14.2
Brands, L. (Leo) (1654) Monday 24 November 2025 WIN +50.4
Jacobs, F. (Frans) (1526) Saturday 1 November 2025 LOSS -33.8
Nguyen, T. (Tim) (1584) Tuesday 14 October 2025 LOSS -34.0
Ibrahimy, F.F. (Fereydoun) (1653) Saturday 4 October 2025 DRAW +14.2
Mullem van, A.P. (Arie-Piet) (1363) Thursday 5 June 2025 WIN +28.3
Slob, T.T. (Thijs) (1639) Monday 12 May 2025 LOSS
Hoop de, R. (Roel) (1515) Thursday 10 April 2025 DRAW
Taytas, E. (Emine) (1676) Thursday 13 March 2025 LOSS