CD

Cosmo Deroose Chambers

Rated since July 2024

806 Rapid

RIVALRY

Nemesis
Nalla, L. (Lipi)
Games: 3 · Win rate: 33%
Kryptonite
Sarkisian, N. (Narek)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
WORP VAN DER, A. (ARVIN) 892
9312 GrandPrix Philidor Leiden Groep A · Saturday 4 January 2025
HUANG, Y. (YAOHAN) 796
11672 GrandPrix SV Voorschoten Groep A · Sunday 21 September 2025
BROENS, P. (PAUL) 764
11672 GrandPrix SV Voorschoten Groep A · Sunday 21 September 2025
LI, Y. (YUEXUAN) 718
9343 GrandPrix SV Voorschoten Groep A · Sunday 23 March 2025
HAMER, E. (ELIAS) 640
9343 GrandPrix SV Voorschoten Groep A · Sunday 23 March 2025
Worst losses
LUBELSKI, B. (BARTEK) 444
9186 GP Voorschoten 2024 Groep A · Saturday 15 June 2024
SARKISIAN, N. (NAREK) 513
9309 GrandPrix Op Eigen Wieken Groep A · Saturday 26 October 2024
LARRANAGA AIGLSPERGER, I. (IKER) 575
8636 GrandPrix van Voorschoten Groep A · Saturday 25 May 2024
ERGINCAN, D. (DERIN) 619
8800 Pupillenkampioenschap FGH LeiSB Groep H · Saturday 6 April 2024
SOSEF, A.J. (AIDEN) 630
9343 GrandPrix SV Voorschoten Groep A · Sunday 23 March 2025
No FIDE-rated tournaments found.
GrandPrix SV Voorschoten Groep A Sunday 21 September 2025 +3–4=0 -25.7
GrandPrix SV Voorschoten Groep A Sunday 23 March 2025 +3–3=1 +36.0
GrandPrix Philidor Leiden Groep A Saturday 4 January 2025 +4–1=1 +116.3
GrandPrix Op Eigen Wieken Groep A Saturday 26 October 2024 +2–4=1 +9.6
GrandPrix Leiderdorp Groep A Sunday 6 October 2024 +2–4=0
GP Voorschoten 2024 Groep A Saturday 15 June 2024 +2–4=1 -37.2
GrandPrix van Voorschoten Groep A Saturday 25 May 2024 +0–5=0 -48.7
Pupillenkampioenschap FGH LeiSB Groep H Saturday 6 April 2024 +3–3=1 +21.5

Rating History

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Peak Ratings

Rapid 806 May 1, 2026

Games

Wins 19
Losses 28
Draws 5
Win Rate 37%

Performance by Color

Color Wins Draws Losses Win Rate
White 14 3 10 52%
Black 5 2 18 20%

Recent Matches

Hamer, E. (Elias) (744) Sunday 21 September 2025 LOSS -21.7
Sarkisian, N. (Narek) (738) Sunday 21 September 2025 LOSS -22.0
Altezza Anniro, K. (Kaisar) (729) Sunday 21 September 2025 LOSS -22.5
Chaudhary, A. (Aveer) (811) Sunday 21 September 2025 LOSS -17.7
Huang, Y. (Yaohan) (796) Sunday 21 September 2025 WIN +23.8
Broens, P. (Paul) (764) Sunday 21 September 2025 WIN +21.9
Oumlil, L. (Lester) (599) Sunday 21 September 2025 WIN +12.6
Schmitz, J. (Joost) (836) Sunday 23 March 2025 DRAW +12.2
Furniturewala, H. (Husain) (639) Sunday 23 March 2025 WIN +24.3
Sosef, A.J. (Aiden) (630) Sunday 23 March 2025 LOSS -25.9
Li, Y. (Yuexuan) (718) Sunday 23 March 2025 WIN +29.7
Lubelski, B. (Bartek) (608) Sunday 23 March 2025 LOSS -27.4
Hamer, E. (Elias) (640) Sunday 23 March 2025 WIN +24.4
Hodzic, E. (Emina) (1201) Sunday 23 March 2025 LOSS -1.3
Worp van der, A. (Arvin) (892) Saturday 4 January 2025 WIN +54.8
Berlo van, A. (Aki) (400) Saturday 4 January 2025 DRAW -8.2
Gal, R. (Rein) (417) Saturday 4 January 2025 WIN +23.1
Taal, M. (Mischa) (817) Saturday 4 January 2025 LOSS -8.0
Bouman, T. (Thijmen) (425) Saturday 4 January 2025 WIN +23.8
Mu, S. (Stephen) (510) Saturday 4 January 2025 WIN +30.8