Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koko, A (Anisa)

Chess SA id

209093572

FIDE id

Date of birth

2009-01-08 (U18)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1184.1

Item	Main	Standard	Rapid	Blitz
Rating	1442.9	1429.5	1345.8	1200
Raw rating	1442.9	1429.5	1345.8	1200
Weighted rating	1414.6	1395	1303.7	1200
Weighted performance	1332	1163.2	0	0
Floor	942.9	929.5	845.8	700
K-factor	32	32	36	36
Min/Max rating change allowed	117.3	119.6	134.7	165.8
Highest rating	1443.9 2019-10-01	1433.3 2019-10-01	1345.8 2025-03-01	1200 2018-10-01
Highest raw rating	1442.9 2025-09-01	1429.5 2025-09-01	1345.8 2025-03-01	1200 2024-03-01
Highest weighted rating	1439.6 2021-04-01	1429.4 2021-04-01	1285.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1443.9 2019-10-01	1433.3 2019-10-01	1200 2018-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1442.9	1429.5	1345.8	1200
Analysis
Rating	1442.9	1429.5	1345.8	1200
Raw rating	1442.9	1429.5	1345.8	1200
Weighted rating	1414.6	1395	1303.7
Weighted performance	1332	1163.2	0
K-factor	32	32	36	36
Floor	942.9	929.5	845.8	700
Max/Min rating change allowed	117.3	119.6	134.7	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1442.9	1429.5	1345.8	1200
New weighted rating	1417.7	1398.7	1308.9	1200
New weighted performance	1323.5	1154.8	0	0
Temp new rating	1442.9	1429.5	1345.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1442.9	1429.5	1345.8	1200
New K-factor	32	32	36	36
New floor	942.9	929.5	845.8	700

Item	Main	Standard	Rapid
	0	0	0
	16	4	12
	7	7	0
	0	0	0
	15	9	6
	5	5	0
History	131	109	22

Games since
	Main 23	Standard 11		Rapid 12		Blitz 0
Gender	Female
Age group	U18
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	16	13	81.25	265.6	1222.2	1487.9
Standard	4	4	100	425	1203.9	1628.9
Rapid	12	9	75	212.5	1228.3	1440.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	122	87	71.31	181.1	1171.8	1352.9
Standard	100	72	72	187	1162.8	1349.8
Rapid	22	15	68.18	154.5	1212.4	1367
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1442.9	1429.5	1345.8	1200
2025-09-30	1442.9	1429.5	1345.8	1200
2025-09-01	1442.9	1429.5	1345.8	1200
2025-08-01	1416	1391	1345.8	1200
2025-07-01	1416	1391	1345.8	1200
2025-06-01	1416	1391	1345.8	1200
2025-05-01	1416	1391	1345.8	1200
2025-04-01	1416	1391	1345.8	1200
2025-03-01	1416	1391	1345.8	1200
2025-02-01	1406	1391	1240.4	1200
2025-01-01	1406	1391	1240.4	1200
2024-12-01	1406	1391	1240.4	1200
2024-11-01	1406	1391	1240.4	1200
2024-10-01	1406	1391	1240.4	1200
2024-09-01	1396.2	1377.9	1240.4	1200
2024-08-01	1396.2	1377.9	1240.4	1200
2024-07-01	1381.6	1357.4	1240.4	1200
2024-09-01	1381.6	1357.4	1240.4	1200
2024-05-01	1381.6	1357.4	1240.4	1200
2024-04-01	1381.6	1357.4	1240.4	1200
2024-03-01	1381.6	1357.4	1240.4	1200
2024-02-01	1381.6	1357.4	1240.4	1200
2024-01-01	1381.6	1357.4	1240.4	1200
2023-12-01	1381.6	1357.4	1240.4	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U19 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	0	0	No	Analysis
2	Overberg Top Schools 2025 (U15-U19 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	4	Yes	Analysis
3	Overberg Schools - HS Closed 2025 (U17 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	0	0	No	Analysis
4	Overberg Schools - HS Trials 2025 (U17 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
5	Overberg Schools & Federation Open 2025 (U17)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U19 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	0	0	No	Analysis
2	Overberg Top Schools 2025 (U15-U19 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	4	Yes	Analysis
3	Overberg Schools - HS Closed 2025 (U17 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	0	0	No	Analysis
4	Overberg Schools - HS Trials 2025 (U17 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
5	Overberg Schools & Federation Open 2025 (U17)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
6	Kleinmond Chess Club Open 2024 (Advanced)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	6	0	0	No	Analysis
7	Western Cape Top Schools Championship 2024 (U18 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
8	Overberg Schools - Top Schools 2024 (U18 Girls)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	3	2	2	Yes	Analysis
9	Western Cape Top Schools 2022 (U13 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
10	Overberg Topskole 2022 (O13)	2022-08-20	2022-08-20	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
11	The Hermanus Open 2022 (U14)	2022-05-14	2022-05-14	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
12	Kleinmond Open 2021 (U14)	2021-04-17	2021-04-17	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
13	Overberg Closed 2020 (U11 Girls)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
14	OCF Chess Tournament 3 2020 (U12)	2020-03-07	2020-03-07	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
15	2019 South African Junior Team Championships (U12D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
16	2019 Western Cape Club Championship (C)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
17	Western Cape Top Schools 2019 (U13 Girls)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	5	Yes	Analysis
18	Overberg Top Schools 2019 (U11)	2019-07-20	2019-07-20	Standard	Overberg (WOS)	5	5	5	Yes	Analysis
19	Overberg Club Champs 2019 (B)	2019-06-15	2019-06-15	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
20	Western Cape Schools Individuals 2019 (U11 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	4	Yes	Analysis
21	Overberg School Chess Close Champs 2019 (U11 Girls)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
22	Overberg First Trial 2019 (U12)	2019-02-23	2019-02-23	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
23	Western Cape Kings & Queens 2018 (Girls)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis
24	Western Cape Top Schools 2018 (U7+U9 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	4	2.5	Yes	Analysis
25	Stellenberg Youth Chess Champs 2018 (D)	2018-06-23	2018-06-23	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
26	Western Cape Schools Individuals 2018 (U9 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
27	Overberg Schools Closed 2018 (U9 Girls)	2018-03-23	2018-03-24	Standard	Overberg (WOS)	6	6	4	Yes	Analysis

#	Games	Start				End
1	16	Tournament Overberg Club Champs 2019				Tournament 2019 Western Cape Club Championship
		date 2019-06-15	rnd 3	type Standard	result 1	date 2019-10-26	rnd 3	type Standard	result 1
		Opponent Matha, J (Jessica)				Opponent Joshua, M (Madden)
2	7	Tournament OCF Chess Tournament 3 2020				Tournament Overberg Closed 2020
		date 2020-03-07	rnd 3	type Standard	result 1	date 2020-03-15	rnd 4	type Standard	result 0.5
		Opponent Oliver, J (Joagen)				Opponent Arendse, M (Michaely)
3	7	Tournament 2019 Western Cape Club Championship				Tournament 2019 South African Junior Team Championships
		date 2019-10-27	rnd 5	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Waldeck, S (Stanvil)				Opponent Mittermaier, G (Gunther)

#	Games	Start				End
1	16	Tournament Overberg Club Champs 2019				Tournament 2019 Western Cape Club Championship
		date 2019-06-15	rnd 3	type Standard	result 1	date 2019-10-26	rnd 3	type Standard	result 1
		Opponent Matha, J (Jessica)				Opponent Joshua, M (Madden)
2	7	Tournament OCF Chess Tournament 3 2020				Tournament Overberg Closed 2020
		date 2020-03-07	rnd 3	type Standard	result 1	date 2020-03-15	rnd 4	type Standard	result 0.5
		Opponent Oliver, J (Joagen)				Opponent Arendse, M (Michaely)
3	7	Tournament 2019 Western Cape Club Championship				Tournament 2019 South African Junior Team Championships
		date 2019-10-27	rnd 5	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Waldeck, S (Stanvil)				Opponent Mittermaier, G (Gunther)

#	Games	Start				End
1	6	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Beveridge, J (Jesse)				Opponent Bucchianeri, J (Jodi)
2	4	Tournament Western Cape Kings & Queens 2018				Tournament The Hermanus Open 2022
		date 2018-10-20	rnd 5	type Rapid	result 1	date 2022-05-14	rnd 3	type Rapid	result 1
		Opponent De Bruin, E (Elrise)				Opponent Swart, A (Arnold)
3	2	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 1	type Rapid	result 1	date 2025-02-01	rnd 2	type Rapid	result 1
		Opponent Mackenzie, E (Erin-Lee)				Opponent Roux, A (Adriaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	16	Tournament Overberg Club Champs 2019				Tournament 2019 Western Cape Club Championship
		date 2019-06-15	rnd 3	type Standard	result 1	date 2019-10-26	rnd 3	type Standard	result 1
		Opponent Matha, J (Jessica)				Opponent Joshua, M (Madden)
2	7	Tournament 2019 Western Cape Club Championship				Tournament 2019 South African Junior Team Championships
		date 2019-10-27	rnd 5	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Waldeck, S (Stanvil)				Opponent Mittermaier, G (Gunther)
3	6	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Beveridge, J (Jesse)				Opponent Bucchianeri, J (Jodi)

#	Games	Start				End
1	16	Tournament Overberg Club Champs 2019				Tournament 2019 Western Cape Club Championship
		date 2019-06-15	rnd 3	type Standard	result 1	date 2019-10-26	rnd 3	type Standard	result 1
		Opponent Matha, J (Jessica)				Opponent Joshua, M (Madden)
2	7	Tournament 2019 Western Cape Club Championship				Tournament 2019 South African Junior Team Championships
		date 2019-10-27	rnd 5	type Standard	result 1	date 2020-01-07	rnd 6	type Standard	result 1
		Opponent Waldeck, S (Stanvil)				Opponent Mittermaier, G (Gunther)
3	6	Tournament Overberg Schools - Top Schools 2024				Tournament Western Cape Top Schools Championship 2024
		date 2024-07-27	rnd 1	type Standard	result 1	date 2024-08-30	rnd 4	type Standard	result 1
		Opponent Tafu, M (Mbali)				Opponent Kenzenie, K (Keisha)

#	Games	Start				End
1	6	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Beveridge, J (Jesse)				Opponent Bucchianeri, J (Jodi)
2	4	Tournament Western Cape Kings & Queens 2018				Tournament The Hermanus Open 2022
		date 2018-10-20	rnd 5	type Rapid	result 1	date 2022-05-14	rnd 3	type Rapid	result 1
		Opponent De Bruin, E (Elrise)				Opponent Swart, A (Arnold)
3	2	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 1	type Rapid	result 1	date 2025-02-01	rnd 2	type Rapid	result 1
		Opponent Mackenzie, E (Erin-Lee)				Opponent Roux, A (Adriaan)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Brink ,S (Samantha)	5	3.5	170	3	1.5	0	2	2	425	0	0	0
1	Brink ,S (Samantha)	5	1231.7	1401.7	3	1198.3	1231.7	2	1126.3	1656.7	0	0	0
2	Dyavu ,P (Phila)	2	2	425	2	2	425	0	0	0	0	0	0
2	Dyavu ,P (Phila)	2	1160.9	1585.9	2	1147.8	1585.9	0	0	0	0	0	0
3	Bekker ,A (Angelica)	2	2	425	2	2	425	0	0	0	0	0	0
3	Bekker ,A (Angelica)	2	1117.9	1542.9	2	1101.4	1542.9	0	0	0	0	0	0
4	Hans ,J (Joy)	2	1	0	2	1	0	0	0	0	0	0	0
4	Hans ,J (Joy)	2	1144.7	1144.7	2	1141.7	1144.7	0	0	0	0	0	0
5	Olckers ,K (Kirsty)	2	1	0	2	1	0	0	0	0	0	0	0
5	Olckers ,K (Kirsty)	2	1205.3	1205.3	2	1204.8	1205.3	0	0	0	0	0	0
6	Van Rooyen ,J (Janel)	2	2	425	1	1	425	1	1	425	0	0	0
6	Van Rooyen ,J (Janel)	2	1069.3	1494.3	1	1118.2	1494.3	1	1076.9	1494.3	0	0	0
7	Swart ,A (Arnold)	2	2	425	1	1	425	1	1	425	0	0	0
7	Swart ,A (Arnold)	2	1176.1	1601.1	1	1046.7	1601.1	1	1241.7	1601.1	0	0	0
8	Beyers ,D (Donna-Claire)	2	1	0	0	0	0	2	1	0	0	0	0
8	Beyers ,D (Donna-Claire)	2	1143.2	1143.2	0	0	0	2	1200	1143.2	0	0	0
9	Mackenzie ,E (Erin-Lee)	2	2	425	0	0	0	2	2	425	0	0	0
9	Mackenzie ,E (Erin-Lee)	2	1205.1	1630.1	0	0	0	2	1301.3	1630.1	0	0	0
10	Haman ,B (Bionica)	1	1	425	1	1	425	0	0	0	0	0	0
10	Haman ,B (Bionica)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Koko, A (Anisa)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms