KNSB FIDE
PK

Piet Kerssens

Rated since March 2026

1638 Classic
1638 Rapid
1638 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
SIER, J.J. (JAN) 1694
12304 NHSB-competitie 2025-2026 Klasse 3C t/m 09-11-2025 · Tuesday 4 November 2025
AU, W. (WILLY) 1674
12450 Kennemer Open 2025-2026 Kennemer Open 2025-2026 Ronde 3 en 4 · Saturday 1 November 2025
SPAAN, D. (DAVID) 1650
11393 Kennemer Open 2024-2025 Kennemer Open 2024-2025 Groep 2 Ronde 9 · Saturday 10 May 2025
AAFJES, D. (DIRK) 1599
13109 NHSB-competitie 2025-2026 Klasse 3C t/m 22-02-2026 · Tuesday 17 February 2026
VOORDE VAN DER, S. (SONJA) 1583
10472 Tata Steel Chess Tournament 2026 Dagvierkampen · Tuesday 20 January 2026
Worst losses
HOVING, P. (PETER) 1569
10472 Tata Steel Chess Tournament 2026 Dagvierkampen · Monday 19 January 2026
ROUW, R.J.A.F. (REMCO) 1647
10472 Tata Steel Chess Tournament 2026 Dagvierkampen · Wednesday 21 January 2026
LANGMAN, D. (DIM) 1665
12694 Kennemer Open 2025-2026 Kennemer Open 2025-2026 Ronde 5 · Saturday 13 December 2025
THIEL VAN, J.W. (JAN WILLEM) 1666
13669 Kennemer Open 2025-2026 Kennemer Open 2025-2026 Ronde 8 en 9 · Saturday 11 April 2026
ROTTE, J.G. (JAAP) 1687
12450 Kennemer Open 2025-2026 Kennemer Open 2025-2026 Ronde 3 en 4 · Saturday 22 November 2025
Tata Steel Chess Tournament 2026 Dagvierkampen Friday 16 January 2026 +1–2=0 -16.3
Kennemer Open 2025-2026 Kennemer Open 2025-2026 Ronde 8 en 9 Saturday 20 September 2025 +0–1=1 -11.3
Kennemer Open 2025-2026 Kennemer Open 2025-2026 Ronde 7 Saturday 20 September 2025 +1–0=0 +8.1
Kennemer Open 2025-2026 Kennemer Open 2025-2026 Ronde 5 Saturday 20 September 2025 +0–1=0 -11.7
Kennemer Open 2025-2026 Kennemer Open 2025-2026 Ronde 3 en 4 Saturday 20 September 2025 +1–1=0 +3.3
Kennemer Open 2025-2026 Kennemer Open 2025-2026 Ronde 2 Saturday 20 September 2025 +0–0=1 +2.7
Kennemer Open 2025-2026 Kennemer Open 2025-2026 Ronde 1 Saturday 20 September 2025 +1–0=0
NHSB-competitie 2025-2026 Klasse 3C t/m 22-03-2026 Monday 1 September 2025 +0–1=0 -2.1
NHSB-competitie 2025-2026 Klasse 3C t/m 22-02-2026 Monday 1 September 2025 +1–0=0 +11.8
NHSB-competitie 2025-2026 Klasse 3C t/m 21-12-2025 Monday 1 September 2025 +1–0=0 +4.8
NHSB-competitie 2025-2026 Klasse 3C t/m 09-11-2025 Monday 1 September 2025 +1–0=0 +14.6
NHSB-competitie 2025-2026 Klasse 3C t/m 12-10-2025 Monday 1 September 2025 +0–1=0 -7.7
Kennemer Open 2024-2025 Kennemer Open 2024-2025 Groep 2 Ronde 9 Saturday 21 September 2024 +1–0=0 +13.7

Rating History

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Peak Ratings

Classic 1638 April 1, 2026
Rapid 1638 May 1, 2026
Blitz 1638 May 1, 2026

Games

Wins 8
Losses 7
Draws 2
Win Rate 47%

Performance by Color

Color Wins Draws Losses Win Rate
White 2 2 5 22%
Black 6 0 2 75%

Recent Matches

Thiel van, J.W. (Jan Willem) (1666) Saturday 11 April 2026 LOSS -11.5
Huson, H. (Hans) (1638) Saturday 28 March 2026 DRAW +0.2
Roedema, J. (Jelle) (1905) Friday 20 March 2026 LOSS -2.1
Haaften van, R. (Rob) (1500) Saturday 7 March 2026 WIN +8.1
Aafjes, D. (Dirk) (1599) Tuesday 17 February 2026 WIN +11.8
Rouw, R.J.A.F. (Remco) (1647) Wednesday 21 January 2026 LOSS -12.1
Voorde van der, S. (Sonja) (1583) Tuesday 20 January 2026 WIN +10.7
Hoving, P. (Peter) (1569) Monday 19 January 2026 LOSS -14.8
Woude ten, C. (Cor) (1396) Thursday 18 December 2025 WIN +4.8
Langman, D. (Dim) (1665) Saturday 13 December 2025 LOSS -11.7
Rotte, J.G. (Jaap) (1687) Saturday 22 November 2025 LOSS -10.6
Sier, J.J. (Jan) (1694) Tuesday 4 November 2025 WIN +14.6
Au, W. (Willy) (1674) Saturday 1 November 2025 WIN +13.9
Zeilemaker, R.C. (Ronny) (1772) Monday 6 October 2025 LOSS -7.7
Arends, H. (Herman) (1707) Saturday 4 October 2025 DRAW +2.7
Sountheranayagam, P.M. (Patrick) Saturday 20 September 2025 WIN
Spaan, D. (David) (1650) Saturday 10 May 2025 WIN +13.7