ER

Erwin Rozenga

Rated since June 2024

1678 Classic
1629 Rapid
1629 Blitz

RIVALRY

Nemesis
Velde van der, J. (Johan)
Games: 3 · Win rate: 33%
Kryptonite
Jellesma, T. (Theo)
Games: 3 · Win rate: 0%
Easy Target
Vlieg, P. (Piet)
Games: 3 · Win rate: 67%

The good & the bad

Best wins
POPMA, T. (TJEERD) 1750
13988 Schaak Combinatie Leeuwarden interne competitie 31-03-2026 t/m 09-06… · Tuesday 28 April 2026
CNOSSEN, J. (JOHAN) 1737
9940 Schaak Combinatie Leeuwarden interne competitie 17-09-2024 t/m 19-11-2024 … · Tuesday 1 October 2024
FRAANJE, W. (WIEBE) 1722
13471 Schaak Combinatie Leeuwarden interne competitie 03-02-2026 t/m 24-03… · Tuesday 17 March 2026
WIERSMA, A. (ATTE) 1716
9102 Schaak Combinatie Leeuwarden interne competitie 12-03-2024 t/m 28-05-202... · Tuesday 12 March 2024
BUURMAN, M.J. (MAARTEN JAN) 1706
11051 Schaak Combinatie Leeuwarden interne competitie 25-03-2025 t/m 15-04… · Tuesday 1 April 2025
Worst losses
KAMSTRA, M. (MEES) 1334
7870 Schaak Combinatie Leeuwarden interne competitie 12-09-2023 t/m 21-11-202... · Tuesday 14 November 2023
BOSMA, L. (LEO) 1539
10782 Schaak Combinatie Leeuwarden interne competitie 26-11-2024 t/m 11-03… · Tuesday 21 January 2025
WIERSMA, A. (ATTE) 1611
10782 Schaak Combinatie Leeuwarden interne competitie 26-11-2024 t/m 11-03… · Tuesday 4 February 2025
VELDE VAN DER, J. (JOHAN) 1636
10782 Schaak Combinatie Leeuwarden interne competitie 26-11-2024 t/m 11-03… · Tuesday 11 February 2025
DROOGSMA, H. (HENK) 1699
9940 Schaak Combinatie Leeuwarden interne competitie 17-09-2024 t/m 19-11-2024 … · Tuesday 19 November 2024
No FIDE-rated tournaments found.
Schaak Combinatie Leeuwarden Intern 1-10 Tuesday 16 September 2025 +2–3=3 -33.1
Schaak Combinatie Leeuwarden interne competitie 31-03-2026 t/m 09-06… Monday 1 September 2025 +2–3=2 +5.7
Schaak Combinatie Leeuwarden interne competitie 03-02-2026 t/m 24-03… Monday 1 September 2025 +2–0=4 +44.9
Schaak Combinatie Leeuwarden interne competitie 02-12-2025 t/m 20-01… Monday 1 September 2025 +1–1=1 +1.8
Schaak Combinatie Leeuwarden interne competitie 29-04-2025 t/m 03-06… Tuesday 17 September 2024 +1–2=0 -16.1
Schaak Combinatie Leeuwarden interne competitie 25-03-2025 t/m 15-04… Tuesday 17 September 2024 +2–0=1 +51.6
Schaak Combinatie Leeuwarden interne competitie 26-11-2024 t/m 11-03… Tuesday 17 September 2024 +4–4=1 -21.1
Schaak Combinatie Leeuwarden interne competitie 17-09-2024 t/m 19-11-2024 … Tuesday 17 September 2024 +3–4=0 +13.5
Fries Kampioenschap Groep A Tuesday 11 June 2024 +2–4=1 -67.3
Schaak Combinatie Leeuwarden interne competitie 12-03-2024 t/m 28-05-202... Tuesday 12 September 2023 +3–2=0 +111.9
Schaak Combinatie Leeuwarden interne competitie 05-12-2023 t/m 05-03-202... Tuesday 12 September 2023 +1–0=3 -202.7
Schaak Combinatie Leeuwarden interne competitie 12-09-2023 t/m 21-11-202... Tuesday 12 September 2023 +1–1=0 -194.3

Rating History

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Peak Ratings

Classic 1696 June 1, 2024
Rapid 1629 March 1, 2026
Blitz 1629 March 1, 2026

Games

Wins 24
Losses 24
Draws 16
Win Rate 38%

Performance by Color

Color Wins Draws Losses Win Rate
White 13 11 9 39%
Black 11 5 15 35%

Recent Matches

Leus, P. (Peter) (1790) Tuesday 9 June 2026 DRAW +4.8
Wolfslag, R. (René) (1829) Tuesday 26 May 2026 LOSS -8.6
Velde van der, J. (Johan) (1612) Tuesday 12 May 2026 WIN +12.4
Popma, T. (Tjeerd) (1750) Tuesday 28 April 2026 WIN +18.0
Bosma, P.G. (Pieter) (1711) Tuesday 14 April 2026 DRAW +1.6
Struiksma, A. (Allard) (1770) Tuesday 7 April 2026 LOSS -10.9
Jellesma, T. (Theo) (1724) Tuesday 31 March 2026 LOSS -11.6
Dijk van, J. (Joram) (1735) Tuesday 24 March 2026 DRAW +4.6
Fraanje, W. (Wiebe) (1722) Tuesday 17 March 2026 WIN +19.9
Jong de, J. (Janneke) (1637) Tuesday 3 March 2026 WIN +16.2
Doevendans, A. (Arjen) (1702) Tuesday 17 February 2026 DRAW +3.3
Buurman, M.J. (Maarten Jan) (1699) Tuesday 10 February 2026 DRAW +3.1
Vijver, N. (Nick) (1576) Tuesday 3 February 2026 DRAW -2.2
Takkebos, M.J. (Michiel) (1719) Tuesday 20 January 2026 LOSS -12.1
Velde van der, J. (Johan) (1618) Tuesday 13 January 2026 DRAW -0.3
Vlieg, P. (Piet) (1579) Tuesday 9 December 2025 WIN +14.2
Bosma, P.G. (Pieter) (1701) Tuesday 25 November 2025 LOSS -15.6
Vink, G. (Guido) (1602) Tuesday 4 November 2025 DRAW -2.8
Bozanic, L. (Leon) (1620) Tuesday 28 October 2025 DRAW -1.9
Hoang, Q. (Quang) (1806) Tuesday 21 October 2025 LOSS -10.7