PJ

Peter Jonker

Rated since January 2023

1654 Classic

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
MEER VAN DER, R. (ROELOF) 1648
9320 50e Seniorentoernooi Groep 6 · Thursday 18 July 2024
MOLLAHOSSEINI, K. (KAZEM) 1636
11635 51e Open Seniorentoernooi 2025 Groep 6 · Monday 14 July 2025
WIT DE, J.M. (HAN) 1559
7455 49e Seniorentoernooi Groep 5 · Tuesday 18 July 2023
Worst losses
TANJA, J.Z. (JAAP) 1508
7455 49e Seniorentoernooi Groep 5 · Thursday 20 July 2023
KOEWEIDEN, T. (THEO) 1626
11995 KNSB competitie 2025-2026 Klasse 6 ronde 1 · Saturday 4 October 2025
BERGSMA, H. (HENK) 1656
9320 50e Seniorentoernooi Groep 6 · Tuesday 16 July 2024
KOOMAN, J. (KO) 1659
9320 50e Seniorentoernooi Groep 6 · Monday 15 July 2024
JONGE DE, K.T. (RIJN) 1663
11635 51e Open Seniorentoernooi 2025 Groep 6 · Wednesday 16 July 2025
No FIDE-rated tournaments found.
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +0–0=2 -10.4
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +1–0=0
KNSB competitie 2025-2026 Klasse 6 ronde 1 Saturday 20 September 2025 +0–1=0 -14.1
51e Open Seniorentoernooi 2025 Groep 6 Monday 14 July 2025 +1–1=3 -1.3
50e Seniorentoernooi Groep 6 Saturday 13 July 2024 +1–3=1 -31.5
49e Seniorentoernooi Groep 5 Saturday 15 July 2023 +1–1=3 +5.2

Rating History

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Peak Ratings

Classic 1705 March 1, 2024

Games

Wins 4
Losses 6
Draws 9
Win Rate 21%

Performance by Color

Color Wins Draws Losses Win Rate
White 3 5 1 33%
Black 1 4 5 10%

Recent Matches

Kieviet, D. (Diet) (1503) Saturday 7 March 2026 DRAW -5.2
Kieviet, D. (Diet) (1503) Saturday 7 March 2026 DRAW -5.2
Timmer, I. (Ian) Saturday 22 November 2025 WIN
Koeweiden, T. (Theo) (1626) Saturday 4 October 2025 LOSS -14.1
Terpstra, G. (Gerben) (1679) Friday 18 July 2025 DRAW +0.2
Broekman, L. (Lode) (1694) Thursday 17 July 2025 DRAW +0.7
Jonge de, K.T. (Rijn) (1663) Wednesday 16 July 2025 LOSS -12.9
Ravensteijn, J.G.N. (Jan) (1662) Tuesday 15 July 2025 DRAW -0.4
Mollahosseini, K. (Kazem) (1636) Monday 14 July 2025 WIN +11.2
Jonge de, K.T. (Rijn) (1676) Friday 19 July 2024 LOSS -13.5
Meer van der, R. (Roelof) (1648) Thursday 18 July 2024 WIN +10.5
Ven van der, C. (Christine) (1699) Wednesday 17 July 2024 DRAW -0.2
Bergsma, H. (Henk) (1656) Tuesday 16 July 2024 LOSS -14.2
Kooman, J. (Ko) (1659) Monday 15 July 2024 LOSS -14.1
Bergsma, H. (Henk) (1547) Friday 21 July 2023 DRAW +1.5
Tanja, J.Z. (Jaap) (1508) Thursday 20 July 2023 LOSS -12.4
Jong de, T. (Tjeerd) (1509) Wednesday 19 July 2023 DRAW +0.2
Wit de, J.M. (Han) (1559) Tuesday 18 July 2023 WIN +14.4
Bergers, W. (Wim) (1546) Monday 17 July 2023 DRAW +1.5