Rosemary AMADASUN

NGR · 57 yrs · K=20 · Peak 1913 (By Jul 2006)

Best performance: 1829 at SOUTH - SOUTH WOMEN SELECTION TOURNAMENT(Best of 2023)

NOV26 Rating

1806

Live Rating

1806.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Nov 2026	1806	0
Oct 2026	1806	0
Sep 2026	1806	0
Aug 2026	1806	0
Jul 2026	1806	0
Jun 2026	1806	0
May 2026	1806	0
Apr 2026	1806	0
Mar 2026	1806	0
Feb 2026	1806	0
Jan 2026	1806	0
Dec 2025	1806	0

Form · Classical

oldest → latest

From 132 classical games on record, the latest on Jul 13, 2024.

Classical games since the November list

No rated standard games this rating periodsince the NOV26 list (Nov 1, 2026)

	Last played	Score	TPR
	3RD NAPHTALI, OPEN CHESS TOURNAMENT 2024Jul 10, 2024 – Jul 13, 2024TPR 1141	4/7	1141

The live rating moves only when new rated games are played. Until then it matches the published rating.

Best wins · Classical

From 73 rated classical games against rated opponents, 2007–2024

#	Opponent	Rating
1,	WGM Tuduetso Sabure, Sep 2007 · African Individual Women Championship 2007	, 2042
2,	Olaonikpekun Agusto, Jan 2024 · 2nd RICHARD ASIBOR MEMORIAL U-2000 CHESS TOURNAMENT	, 1934
3,	WCM Seydi Salim-Moussa, Sep 2010 · 39th Olympiad Khanty-Mansiysk 2010 Women tournament	, 1842
4,	Miracle Obiamakachukwu AGBAZUE, Oct 2022 · 2022 NIGERIA NATIONAL WOMEN CHESS CHAMPIONSHIPS	, 1833
5,	WFM KAREEN KAMAL JALALADIN ALBARBARI, Oct 2010 · 39th Olympiad Khanty-Mansiysk 2010 Women tournament	, 1790
6,	Peace Samson, Oct 2022 · 2022 NIGERIA NATIONAL WOMEN CHESS CHAMPIONSHIPS	, 1765
7,	WFM Amira Marzouk, Sep 2010 · 39th Olympiad Khanty-Mansiysk 2010 Women tournament	, 1745
8,	WCM Ontiretse Sabure, Sep 2011 · African Team Championships Women (All African Games) 2011	, 1734
9,	WFM Michelle Chiamaka NWANKWO, Oct 2023 · NIGERIA NATIONAL WOMEN CHESS CHAMPIONSHIP 2003	, 1720
10,	Mayomi Olayinka OYELESE, Aug 2023 · SOUTH - SOUTH WOMEN SELECTION TOURNAMENT	, 1706

#	Opponent	Overall	Rating
1,	IM Oluwafemi Daniel Balogun, Highest-rated meeting: Apr 2018 · 1ST MAGNUS OTUEDON INTERNATIONAL CHESS TOURNAMENT 2018	, 0/1	, 2278
2,	CM Ademola Sorungbe, Highest-rated meeting: Apr 2018 · 1ST MAGNUS OTUEDON INTERNATIONAL CHESS TOURNAMENT 2018	, 0/1	, 2215
3,	Udeme Dominic EDET, Highest-rated meeting: Jul 2022 · 1st South South National Chess Tournament	, 0/1	, 2180
4,	CM Oluwadurotimi Opeoluwa LAPITE, Highest-rated meeting: Jul 2023 · SOUTH WEST CHESS TOURNAMENT 2023	, 0/1	, 2150
5,	Ogirigbo Okiemute Roland, Highest-rated meeting: Jul 2022 · 1st South South National Chess Tournament	, 0/1	, 2137
6,	WGM Shahenda Wafa, Highest-rated meeting: Sep 2022 · 2022 AFRICA INDIVIDUAL CHESS CHAMPIONSHIP WOMEN	, ½/1	, 2110
7,	Okuma Ejomafuvwe NESIMEYE, Highest-rated meeting: Jul 2022 · 1st South South National Chess Tournament	, 0/1	, 2098
8,	CM Benjamin Aruoture Omorere, Highest-rated meeting: Apr 2023 · 2nd NAPHTALI CHESS OPEN 2023	, 0/1	, 2096
9,	Mustapha Othman, Highest-rated meeting: Aug 2023 · NORTH CENTRAL ZONAL CHESS CHAMPIONSHIP	, 0/1	, 2066
10,	Babajide TINUBU, Highest-rated meeting: Aug 2023 · NORTH CENTRAL ZONAL CHESS CHAMPIONSHIP	, 0/1	, 2065

Openings · Classical

From the moves of 23 of 132 classical games on record.

As WhiteOpens 1.e4 in 9 of 10 games.

As BlackMeets 1.e4 with 1...e5.

All openings (1 as White, 1 as Black)

Openings in White games	Games	Score
Sicilian Defense	3	67%

7 more games in openings played fewer than 3 times.

Openings in Black games	Games	Score
Ruy Lopez	4	38%

Event timeline · Classical

17 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Performance rating by year

Year	Games	Score	Avg opp	TPR
2024	7	1	1857	1548
2023	24	8	1814	1689
2022	21	7½	1822	1720
2018	2	0	2247	—
2011	6	2	1769	1644
2010	9	4½	1810	1810
2007	4	1	1999	1806

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

3RD NAPHTALI, OPEN CHESS TOURNAMENT 20241141
Jul 2024Swissfederation source
Score 4/7Opp avg 1941Start 1827
2nd RICHARD ASIBOR MEMORIAL U-2000 CHESS TOURNAMENT1602
Jan 2024Swissfederation source
Best of 2024Score 2½/7Opp avg 1795Start 1723
NIGERIA NATIONAL WOMEN CHESS CHAMPIONSHIP 20031658
Oct 2023Round robinfederation source
#2 in 2023Score 4/11Opp avg 1760Start 1750
NORTH CENTRAL ZONAL CHESS CHAMPIONSHIP—(2)
Aug 2023Swissfederation source
Score 4/9Opp avg 2066Start 1759
SOUTH - SOUTH WOMEN SELECTION TOURNAMENT1829
Aug 2023Swissfederation source
Best of 2023Score 3½/6Opp avg 1829Start 1759
SOUTH WEST CHESS TOURNAMENT 20231600
Jul 2023Swissfederation source
#3 in 2023Score 4/9Opp avg 1749Start 1771
2nd NAPHTALI CHESS OPEN 2023—(2)
Apr 2023Swissfederation source
Score 4½/7Opp avg 1995Start 1770
2022 NIGERIA NATIONAL WOMEN CHESS CHAMPIONSHIPS1773
Oct 2022Round robinfederation source
Best of 2022Score 4/9Opp avg 1816Start 1768
2022 AFRICA INDIVIDUAL CHESS CHAMPIONSHIP WOMEN1642
Sep 2022Swissfederation source
#2 in 2022Score 3½/9Opp avg 1722Start 1807
1st South South National Chess Tournament1338
Jul 2022Swissfederation source
Score 5/9Opp avg 2138Start 1815
SOUTHWEST NATIONAL CHESS TOURNAMENT—(0)
Apr 2022Swissfederation source
Score 4/7Start 1815
AWESOME CLASSICAL CHESS TOUENAMENT—(0)
Mar 2022Swissfederation source
Score 3/5Start 1815
ORCHID NCF NATIONAL OPEN CHESS CHAMPIONSHIP—(0)
Nov 2021Swissfederation source
Score 3/7Start 1815
1ST MAGNUS OTUEDON INTERNATIONAL CHESS TOURNAMENT 2018—(2)
Apr 2018Swissfederation source
Score 3/6Opp avg 2247Start 1821
African Team Championships Women (All African Games) 20111644
Sep 2011Teamfederation source
Best of 2011Score 3/7Opp avg 1769Start 1876
39th Olympiad Khanty-Mansiysk 2010 Women tournament1810
Sep – Oct 2010Teamfederation source
Best of 2010Score 4½/10Opp avg 1810Start 1900
African Individual Women Championship 20071806
Sep 2007Swissfederation source
Best of 2007Score 4/9Opp avg 1999Start 1913

Live ratings projected from the NOV26 published list · Not affiliated with FIDE