Chess South Africa Ratings Database

PLAYER PAGE

Personal

Michaels, SA (Sydney Ann)

Chess SA id

210091177

FIDE id

Date of birth

2010-08-23 (U16)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-10-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1337.9	1327.3	563.2	578.4
Raw rating	1337.9	1327.3	563.2	578.4
Weighted rating	1337.9	1327.3	563.1	578.4
Weighted performance	636.5	630.2	0	0
Floor	948.3	959.8	500	500
K-factor	32	32	40	40
Min/Max rating change allowed	136.2	138.3	410.8	402
Highest rating	1448.3 2020-02-01	1467.1 2020-01-01	1200 2018-02-01	1200 2018-02-01
Highest raw rating	1448.3 2020-02-01	1459.8 2020-02-01	563.2 2024-03-01	578.4 2024-03-01
Highest weighted rating	1448.3 2022-01-01	1459.8 2022-01-01	563.2 2024-11-01	578.4 2024-11-01
Highest weighted performance	1421.4 2019-04-01	1467.1 2020-01-01	1200 2018-02-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1337.9	1327.3	563.2	578.4
Analysis
Rating	1337.9	1327.3	563.2	578.4
Raw rating	1337.9	1327.3	563.2	578.4
Weighted rating	1337.9	1327.3	563.1
Weighted performance	636.5	630.2	0
K-factor	32	32	40	40
Floor	948.3	959.8	500	500
Max/Min rating change allowed	136.2	138.3	410.8	402
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	1337.9	1327.3	563.2	578.4
New weighted rating	1337.9	1327.3	563.1	578.4
New weighted performance	636	629.8	0	0
Temp new rating	1337.9	1327.3	563.2	578.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1337.9	1327.3	563.2	578.4
New K-factor	32	32	40	40
New floor	948.3	959.8	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	21	21	0	0
	0	0	0	0
History	211	181	24	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	192	122	63.54	115.1	1094.9	1210
Standard	181	118	65.19	129.1	1094	1223.1
Rapid	5	2	40	-85	1013.4	928.4
Blitz	6	2	33.33	-141.7	1190.4	1048.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1337.9	1327.3	563.2	578.4
2025-09-01	1337.9	1327.3	563.2	578.4
2025-08-01	1337.9	1327.3	563.2	578.4
2025-07-01	1337.9	1327.3	563.2	578.4
2025-06-01	1337.9	1327.3	563.2	578.4
2025-05-01	1337.9	1327.3	563.2	578.4
2025-04-01	1337.9	1327.3	563.2	578.4
2025-03-01	1337.9	1327.3	563.2	578.4
2025-02-01	1337.9	1327.3	563.2	578.4
2025-01-01	1337.9	1327.3	563.2	578.4
2024-12-01	1337.9	1327.3	563.2	578.4
2024-11-01	1337.9	1327.3	563.2	578.4
2024-10-01	1337.9	1327.3	563.2	578.4
2024-09-01	1337.9	1327.3	563.2	578.4
2024-08-01	1337.9	1327.3	563.2	578.4
2024-07-01	1337.9	1327.3	563.2	578.4
2024-06-01	1337.9	1327.3	563.2	578.4
2024-08-01	1337.9	1327.3	563.2	578.4
2024-04-01	1337.9	1327.3	563.2	578.4
2024-03-01	1337.9	1327.3	563.2	578.4
2024-02-01	1337.9	1327.3	563.2	578.4
2024-01-01	1337.9	1327.3	563.2	578.4
2023-12-01	1337.9	1327.3	556.4	578.4
2023-11-01	1337.9	1327.3	556.4	578.4

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mossel Bay Open 2022 (A)	2022-09-30	2022-10-02	Standard	Eden (WEG)	6	5	0.5	Yes	Analysis
2	South African Junior Closed Chess Championships 2022 (U12 Girls)	2022-03-28	2022-04-02	Standard	Chess South Africa (CSA)	11	11	6.5	Yes	Analysis
3	Kraaifontein Open 2022 (Advanced)	2022-01-07	2022-01-09	Standard	Cape Town (WCT)	6	5	0	Yes	Analysis
4	2019 South African Junior Team Championships (U10A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
5	Western Cape Top Schools 2019 (U9 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
6	Pacaltsdorp Open 2019 (Blitz)	2019-08-29	2019-08-29	Blitz	Eden (WEG)	6	6	2	Yes	Analysis
7	Eden Top Schools 2019 (U9)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	4	4	Yes	Analysis
8	South African Schools Individuals Chess Championships 2019 (U11 Girls)	2019-06-18	2019-06-21	Standard	Frances Baard (NCF)	7	7	4.5	Yes	Analysis
9	South African Open Chess Championships 2019 (C)	2019-06-15	2019-06-17	Standard	Frances Baard (NCF)	6	6	1	Yes	Analysis
10	Western Cape Schools Individuals 2019 (U9 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	4	Yes	Analysis
11	Eden Trials 2 2019 (U10 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	5	Yes	Analysis
12	Eden Trials 1 2019 (U10 Open)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	5	Yes	Analysis
13	Western Cape Women`s Open 2019 (Prestige)	2019-03-08	2019-03-10	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
14	2019 South African Junior Closed Chess Championship (U10 Girls)	2019-03-17	2019-03-22	Standard	Chess South Africa (CSA)	9	8	3.5	Yes	Analysis
15	George Trials 3 2019 (U10)	2019-02-23	2019-02-23	Standard	Eden (WEG)	5	5	4	Yes	Analysis
16	George Trials 1 2019 (U10)	2019-01-26	2019-01-26	Standard	Eden (WEG)	5	5	5	Yes	Analysis
17	2018 African Schools Individual Chess Championships	2018-12-06	2018-12-12	Standard	Tshwane (GTP)	9	7	5	Yes	Analysis
18	South African Junior Team Championships 2018 (U10B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
19	World Cadets Chess Championships 2018	2018-11-04	2018-11-15	Standard	Chile (CHI)	11	11	4	Yes	Analysis
20	Mossel Bay Open 2018 (B)	2018-09-28	2018-09-29	Standard	Eden (WEG)	6	5	2.5	Yes	Analysis
21	Commonwealth Chess Championships 2018	2018-06-26	2018-07-01	Standard	India (IND)	7	7	2	Yes	Analysis
22	Oyster Rapid 2018	2018-07-07	2018-07-07	Rapid	Eden (WEG)	6	5	2	Yes	Analysis
23	Western Cape Schools Individuals 2018 (U9 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	5	Yes	Analysis
24	EDENSC Closed 2 2018 (U10 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	4	2	Yes	Analysis
25	2018 South African Junior Closed Chess Championships (U8 Girls)	2018-04-01	2018-04-07	Standard	Chess South Africa (CSA)	11	11	10	Yes	Analysis
26	EDENSC Closed 1 2018 (U10)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	4	Yes	Analysis
27	George Trails 3 2018 (U10)	2018-02-24	2018-02-24	Standard	Eden (WEG)	5	5	4	Yes	Analysis
28	George Trails 2 2018 (U10)	2018-02-10	2018-02-10	Standard	Eden (WEG)	5	5	5	Yes	Analysis
29	George Trails 1 2018 (U10)	2018-01-27	2018-01-27	Standard	Eden (WEG)	5	5	4	Yes	Analysis
30	South African Junior Wildcard Championships 2017 (U8 Girls)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
31	South African Junior Team Championships 2017 (U10 Girls)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	5	Yes	Analysis

#	Games	Start				End
1	9	Tournament South African Junior Team Championships 2017				Tournament South African Junior Wildcard Championships 2017
		date 2018-01-05	rnd 4	type Standard	result 1	date 2018-01-11	rnd 5	type Standard	result 1
		Opponent Ntshalintshali, N (Noluthando)				Opponent Reddy, D (Deeya)
2	8	Tournament George Trials 3 2019				Tournament Western Cape Women`s Open 2019
		date 2019-02-23	rnd 4	type Standard	result 1	date 2019-03-08	rnd 1	type Standard	result 1
		Opponent De Waal, B (Ben)				Opponent Williams, N (Naydene)
3	8	Tournament South African Junior Team Championships 2018				Tournament George Trials 3 2019
		date 2018-12-20	rnd 7	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Surujhlal, A (Arya)				Opponent Prins, R (Reinhart)

#	Games	Start				End
1	9	Tournament South African Junior Team Championships 2017				Tournament South African Junior Wildcard Championships 2017
		date 2018-01-05	rnd 4	type Standard	result 1	date 2018-01-11	rnd 5	type Standard	result 1
		Opponent Ntshalintshali, N (Noluthando)				Opponent Reddy, D (Deeya)
2	8	Tournament George Trials 3 2019				Tournament Western Cape Women`s Open 2019
		date 2019-02-23	rnd 4	type Standard	result 1	date 2019-03-08	rnd 1	type Standard	result 1
		Opponent De Waal, B (Ben)				Opponent Williams, N (Naydene)
3	8	Tournament South African Junior Team Championships 2018				Tournament George Trials 3 2019
		date 2018-12-20	rnd 7	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Surujhlal, A (Arya)				Opponent Prins, R (Reinhart)

#	Games	Start				End
1	1	Tournament Oyster Rapid 2018				Tournament Oyster Rapid 2018
		date 2018-07-07	rnd 4	type Rapid	result 1	date 2018-07-07	rnd 4	type Rapid	result 1
		Opponent Solomon, M (Monique)				Opponent Solomon, M (Monique)
2	1	Tournament Oyster Rapid 2018				Tournament Oyster Rapid 2018
		date 2018-07-07	rnd 2	type Rapid	result 1	date 2018-07-07	rnd 2	type Rapid	result 1
		Opponent Francke, C (Charl)				Opponent Francke, C (Charl)

#	Games	Start				End
1	1	Tournament Pacaltsdorp Open 2019				Tournament Pacaltsdorp Open 2019
		date 2019-08-29	rnd 6	type Blitz	result 1	date 2019-08-29	rnd 6	type Blitz	result 1
		Opponent Gouws, G (Garlan)				Opponent Gouws, G (Garlan)
2	1	Tournament Pacaltsdorp Open 2019				Tournament Pacaltsdorp Open 2019
		date 2019-08-29	rnd 3	type Blitz	result 1	date 2019-08-29	rnd 3	type Blitz	result 1
		Opponent Prins, R (Renier)				Opponent Prins, R (Renier)

#	Games	Start				End
1	9	Tournament South African Junior Team Championships 2017				Tournament South African Junior Wildcard Championships 2017
		date 2018-01-05	rnd 4	type Standard	result 1	date 2018-01-11	rnd 5	type Standard	result 1
		Opponent Ntshalintshali, N (Noluthando)				Opponent Reddy, D (Deeya)
2	8	Tournament George Trials 3 2019				Tournament Western Cape Women`s Open 2019
		date 2019-02-23	rnd 4	type Standard	result 1	date 2019-03-08	rnd 1	type Standard	result 1
		Opponent De Waal, B (Ben)				Opponent Williams, N (Naydene)
3	8	Tournament South African Junior Team Championships 2018				Tournament George Trials 3 2019
		date 2018-12-20	rnd 7	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Surujhlal, A (Arya)				Opponent Prins, R (Reinhart)

#	Games	Start				End
1	9	Tournament South African Junior Team Championships 2017				Tournament South African Junior Wildcard Championships 2017
		date 2018-01-05	rnd 4	type Standard	result 1	date 2018-01-11	rnd 5	type Standard	result 1
		Opponent Ntshalintshali, N (Noluthando)				Opponent Reddy, D (Deeya)
2	8	Tournament George Trials 3 2019				Tournament Western Cape Women`s Open 2019
		date 2019-02-23	rnd 4	type Standard	result 1	date 2019-03-08	rnd 1	type Standard	result 1
		Opponent De Waal, B (Ben)				Opponent Williams, N (Naydene)
3	8	Tournament South African Junior Team Championships 2018				Tournament George Trials 3 2019
		date 2018-12-20	rnd 7	type Standard	result 1	date 2019-02-23	rnd 2	type Standard	result 1
		Opponent Surujhlal, A (Arya)				Opponent Prins, R (Reinhart)

#	Games	Start				End
1	1	Tournament Oyster Rapid 2018				Tournament Oyster Rapid 2018
		date 2018-07-07	rnd 4	type Rapid	result 1	date 2018-07-07	rnd 4	type Rapid	result 1
		Opponent Solomon, M (Monique)				Opponent Solomon, M (Monique)
2	1	Tournament Oyster Rapid 2018				Tournament Oyster Rapid 2018
		date 2018-07-07	rnd 2	type Rapid	result 1	date 2018-07-07	rnd 2	type Rapid	result 1
		Opponent Francke, C (Charl)				Opponent Francke, C (Charl)

#	Games	Start				End
1	1	Tournament Pacaltsdorp Open 2019				Tournament Pacaltsdorp Open 2019
		date 2019-08-29	rnd 6	type Blitz	result 1	date 2019-08-29	rnd 6	type Blitz	result 1
		Opponent Gouws, G (Garlan)				Opponent Gouws, G (Garlan)
2	1	Tournament Pacaltsdorp Open 2019				Tournament Pacaltsdorp Open 2019
		date 2019-08-29	rnd 3	type Blitz	result 1	date 2019-08-29	rnd 3	type Blitz	result 1
		Opponent Prins, R (Renier)				Opponent Prins, R (Renier)

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	Petersen ,S (Shenwin)	5	4	255	5	4	255	0	0	0	0	0	0
1	Petersen ,S (Shenwin)	5	1262.5	1517.5	5	1264.2	1517.5	0	0	0	0	0	0
2	Prins ,R (Reinhart)	4	4	425	4	4	425	0	0	0	0	0	0
2	Prins ,R (Reinhart)	4	1300.7	1725.7	4	1297.1	1725.7	0	0	0	0	0	0
3	Booysen ,L (Lukas)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Booysen ,L (Lukas)	3	815.6	957.3	3	824	957.3	0	0	0	0	0	0
4	Van Schaik ,K (Kayla)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
4	Van Schaik ,K (Kayla)	3	1183.5	1041.8	3	1178.7	1041.8	0	0	0	0	0	0
5	Groenewald ,A (Ancha)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Groenewald ,A (Ancha)	2	1223	798	2	965.2	798	0	0	0	0	0	0
6	Odendaal ,L (Ludwig)	2	2	425	2	2	425	0	0	0	0	0	0
6	Odendaal ,L (Ludwig)	2	1349.4	1774.4	2	1336.8	1774.4	0	0	0	0	0	0
7	Naidoo ,K (Kajol)	2	1	0	2	1	0	0	0	0	0	0	0
7	Naidoo ,K (Kajol)	2	975.5	975.5	2	974.5	975.5	0	0	0	0	0	0
8	Herman ,L (Leigh-Ray)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Herman ,L (Leigh-Ray)	2	704.2	279.2	2	717.4	279.2	0	0	0	0	0	0
9	Kruger ,R (Riasha)	2	2	425	2	2	425	0	0	0	0	0	0
9	Kruger ,R (Riasha)	2	1191.1	1616.1	2	1190.2	1616.1	0	0	0	0	0	0
10	Scholtz ,H (Hanko)	2	2	425	2	2	425	0	0	0	0	0	0
10	Scholtz ,H (Hanko)	2	881.7	1306.7	2	879.2	1306.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Michaels, SA (Sydney Ann)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms