AA

Arnold Alderden

Rated since March 2026

1635 Classic
1635 Rapid
1635 Blitz

RIVALRY

Nemesis
Westmaas, O.J.D. (Orlando)
Games: 5 · Win rate: 0%
Kryptonite
Schoor van der, W.A. (Wim)
Games: 3 · Win rate: 0%
Easy Target
Kleijn, N.M. (Nico)
Games: 4 · Win rate: 100%

The good & the bad

Best wins
CROMSIGT, J. (JEROEN) 1969
13671 Altern. Aalsmeerse S.V. interne competitie 13-03-2026 t/m 27-04-2026… · Friday 3 April 2026
ZAANEN VAN, M.B. (MARTIN) 1770
13085 Altern. Aalsmeerse S.V. interne competitie 16-01-2026 t/m 21-02-2026… · Friday 16 January 2026
BELLAMY, L.J. (LINDA) 1606
12226 S.C. Hoofddorp interne competitie 08-09-2025 t/m 27-10-2025 (090019) · Monday 29 September 2025
KLEIJN, N.M. (NICO) 1576
12171 S.C. Hoofddorp interne competitie 08-09-2025 t/m 27-10-2025 (090019) · Monday 13 October 2025
RAIVIN, A. (AYAAN) 1491
13333 S.C. Hoofddorp interne competitie 08-09-2025 t/m 16-03-2026 (090019) · Monday 16 March 2026
Worst losses
KOPER, P.D. (PAUL) 1658
13462 NHSB-competitie 2025-2026 Viertallen D t/m 29-03-2026 · Friday 27 March 2026
WESTMAAS, O.J.D. (ORLANDO) 1686
13569 S.C. Hoofddorp interne competitie 08-09-2025 t/m 20-04-2026 (090019) · Monday 20 April 2026
URBANAS, A. (ALEKSEI) 1717
12820 S.C. Hoofddorp interne competitie 08-09-2025 t/m 19-01-2026 (090019) · Monday 19 January 2026
SCHOOR VAN DER, W.A. (WIM) 1793
12401 S.C. Hoofddorp interne competitie 08-09-2025 t/m 24-11-2025 (090019) · Monday 24 November 2025
OPDAM, D. (DANI) 1825
13288 NHSB-competitie 2025-2026 Viertallen D t/m 15-03-2026 · Friday 13 March 2026
No FIDE-rated tournaments found.
Altern. Aalsmeerse S.V. interne competitie 13-03-2026 t/m 27-04-2026… Friday 26 September 2025 +1–0=0 +54.8
Altern. Aalsmeerse S.V. interne competitie 16-01-2026 t/m 21-02-2026… Friday 26 September 2025 +2–0=0 +61.6
S.C. Hoofddorp interne competitie 08-09-2025 t/m 20-04-2026 (090019) Monday 1 September 2025 +0–1=1 -40.0
NHSB-competitie 2025-2026 Viertallen D t/m 29-03-2026 Monday 1 September 2025 +0–1=0 -44.1
S.C. Hoofddorp interne competitie 08-09-2025 t/m 16-03-2026 (090019) Monday 1 September 2025 +1–1=0 -7.9
NHSB-competitie 2025-2026 Viertallen D t/m 15-03-2026 Monday 1 September 2025 +0–1=0 -26.6
NHSB-competitie 2025-2026 Klasse 3E t/m 15-02-2026 Monday 1 September 2025 +0–0=1 -10.7
S.C. Hoofddorp interne competitie 08-09-2025 t/m 23-02-2026 (090019) Monday 1 September 2025 +0–0=1 -5.6
S.C. Hoofddorp interne competitie 08-09-2025 t/m 19-01-2026 (090019) Monday 1 September 2025 +0–1=0
NHSB-competitie 2025-2026 Klasse 3E t/m 21-12-2025 Monday 1 September 2025 +0–0=2
S.C. Hoofddorp interne competitie 08-09-2025 t/m 24-11-2025 (090019) Monday 1 September 2025 +0–3=0
S.C. Hoofddorp interne competitie 08-09-2025 t/m 27-10-2025 (090019) Monday 1 September 2025 +4–0=4
S.C. Hoofddorp interne competitie 08-09-2025 t/m 27-10-2025 (090019) Monday 1 September 2025 +3–0=3

Rating History

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Peak Ratings

Classic 1714 March 1, 2026
Rapid 1714 March 1, 2026
Blitz 1714 March 1, 2026

Games

Wins 11
Losses 8
Draws 12
Win Rate 35%

Performance by Color

Color Wins Draws Losses Win Rate
White 6 12 1 32%
Black 5 0 7 42%

Recent Matches

Westmaas, O.J.D. (Orlando) (1686) Monday 20 April 2026 LOSS -26.8
Cromsigt, J. (Jeroen) (1969) Friday 3 April 2026 WIN +54.8
Nagtegaal, M.J. (Martin) (1586) Monday 30 March 2026 DRAW -13.2
Koper, P.D. (Paul) (1658) Friday 27 March 2026 LOSS -44.1
Raivin, A. (Ayaan) (1491) Monday 16 March 2026 WIN +16.6
Opdam, D. (Dani) (1825) Friday 13 March 2026 LOSS -26.6
Zaanen van, M.B. (Martin) (1847) Monday 9 March 2026 LOSS -24.5
Broekhaus, K.O. (Kjeld) (1589) Friday 13 February 2026 DRAW -10.7
Horde de, F. (Finn) Friday 6 February 2026 WIN
Alderden, Y.A.I. (Younan) (1585) Monday 26 January 2026 DRAW -5.6
Urbanas, A. (Aleksei) (1717) Monday 19 January 2026 LOSS
Zaanen van, M.B. (Martin) (1770) Friday 16 January 2026 WIN +61.6
Lampe, S. (Sander) Monday 15 December 2025 DRAW
Lampe, S. (Sander) Monday 15 December 2025 DRAW
Schoor van der, W.A. (Wim) (1793) Monday 24 November 2025 LOSS
Schoor van der, W.A. (Wim) (1793) Monday 24 November 2025 LOSS
Schoor van der, W.A. (Wim) (1793) Monday 24 November 2025 LOSS
Westmaas, O.J.D. (Orlando) (1656) Monday 27 October 2025 DRAW
Westmaas, O.J.D. (Orlando) (1656) Monday 27 October 2025 DRAW
Westmaas, O.J.D. (Orlando) (1656) Monday 27 October 2025 DRAW