Chess South Africa Ratings Database

PLAYER PAGE

Personal

Wu, O (Oscar)

Chess SA id

1140149124

FIDE id

Date of birth

2014-01-02 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1138.2	1155.2	1151.1	1200
Raw rating	1138.2	1155.2	1151.1	1200
Weighted rating	1132.7	1151.3	1147	1200
Weighted performance	850.8	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	181.1	176.7	177.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1138.2	1155.2	1151.1	1200
Analysis
Rating	1138.2	1155.2	1151.1	1200
Raw rating	1138.2	1155.2	1151.1	1200
Weighted rating	1132.7	1151.3	1147
Weighted performance	850.8	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	181.1	176.7	177.8	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	1138.2	1155.2	1151.1	1200
New weighted rating	1132.8	1151.4	1147.1	1200
New weighted performance	844.8	0	0	0
Temp new rating	1138.2	1155.2	1151.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1138.2	1155.2	1151.1	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	10	5	5
	11	5	6
	0	0	0
	0	0	0
History	26	15	11

Games since
	Main 15	Standard 10		Rapid 5		Blitz 0
Gender	Male
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-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	5	2	40	-85	1200	1115
Standard	5	2	40	-85	1200	1115
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	26	9	34.62	-130.8	1217.6	1086.9
Standard	15	5	33.33	-141.7	1227	1085.4
Rapid	11	4	36.36	-115.9	1204.8	1088.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1138.2	1155.2	1151.1	1200
2025-09-30	1138.2	1155.2	1151.1	1200
2025-09-01	1138.2	1155.2	1151.1	1200
2025-08-01	1138.2	1155.2	1151.1	1200
2025-07-01	1138.2	1155.2	1151.1	1200
2025-06-01	1138.2	1155.2	1151.1	1200
2025-05-01	1138.2	1155.2	1151.1	1200
2025-04-01	1138.2	1155.2	1151.1	1200
2025-03-01	1138.2	1155.2	1151.1	1200
2025-02-01	1138.3	1155.6	1151.1	1200
2025-01-01	1116.8	1138.8	1136	1200
2024-12-01	1116.8	1138.8	1136	1200
2024-11-01	1116.8	1138.8	1136	1200
2024-10-01	1116.8	1138.8	1136	1200
2024-09-01	1116.8	1138.8	1136	1200
2024-08-01	1116.8	1138.8	1136	1200
2024-07-01	1116.8	1138.8	1136	1200
2024-09-01	1116.8	1138.8	1136	1200
2024-05-01	1116.8	1138.8	1136	1200
2024-04-01	1116.8	1138.8	1136	1200
2024-03-01	1157	1193.2	1136	1200
2024-02-01	1191.8	1193.2	1194	1200
2024-01-01	1191.8	1193.2	1194	1200
2023-12-01	1191.8	1193.2	1194	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	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	JNW Open - Classic - Crawford 2024 (C)	2024-03-09	2024-03-09	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
3	Gear Up Mzansi Rapid 2024 (Junior)	2024-02-17	2024-02-17	Rapid	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
4	2023 Gauteng Top Schools (U9 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
5	Mzansi Rapid 2023 (Development)	2023-02-04	2023-02-04	Rapid	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 4	type Rapid	result 0.5
		Opponent Isaacs, S (Sophia)				Opponent Shi, P (Peiqi)
2	2	Tournament Mzansi Rapid 2023				Tournament 2023 Gauteng Top Schools
		date 2023-02-04	rnd 6	type Rapid	result 0.5	date 2023-08-18	rnd 1	type Standard	result 1
		Opponent Duggan, O (Oliver)				Opponent Ukachukwu, P (Pharez)
3	1	Tournament MCA Welcome 2025				Tournament MCA Welcome 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-02-15	rnd 5	type Standard	result 1
		Opponent Parsot, S (Shalin)				Opponent Parsot, S (Shalin)

#	Games	Start				End
1	1	Tournament MCA Welcome 2025				Tournament MCA Welcome 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-02-15	rnd 5	type Standard	result 1
		Opponent Parsot, S (Shalin)				Opponent Parsot, S (Shalin)
2	1	Tournament MCA Welcome 2025				Tournament MCA Welcome 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Mungaldave, M (Milin)				Opponent Mungaldave, M (Milin)
3	1	Tournament JNW Open - Classic - Crawford 2024				Tournament JNW Open - Classic - Crawford 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 2	type Standard	result 1
		Opponent Humphrey, D (Damian)				Opponent Humphrey, D (Damian)

#	Games	Start				End
1	3	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 4	type Rapid	result 0.5
		Opponent Isaacs, S (Sophia)				Opponent Shi, P (Peiqi)
2	2	Tournament Mzansi Rapid 2023				Tournament Gear Up Mzansi Rapid 2024
		date 2023-02-04	rnd 6	type Rapid	result 0.5	date 2024-02-17	rnd 1	type Rapid	result 1
		Opponent Duggan, O (Oliver)				Opponent Botha, L (Leane)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 3	type Rapid	result 1
		Opponent Isaacs, S (Sophia)				Opponent Chikwava, R (Ronald)
2	1	Tournament MCA Welcome 2025				Tournament MCA Welcome 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-02-15	rnd 5	type Standard	result 1
		Opponent Parsot, S (Shalin)				Opponent Parsot, S (Shalin)
3	1	Tournament MCA Welcome 2025				Tournament MCA Welcome 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Mungaldave, M (Milin)				Opponent Mungaldave, M (Milin)

#	Games	Start				End
1	1	Tournament MCA Welcome 2025				Tournament MCA Welcome 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-02-15	rnd 5	type Standard	result 1
		Opponent Parsot, S (Shalin)				Opponent Parsot, S (Shalin)
2	1	Tournament MCA Welcome 2025				Tournament MCA Welcome 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Mungaldave, M (Milin)				Opponent Mungaldave, M (Milin)
3	1	Tournament JNW Open - Classic - Crawford 2024				Tournament JNW Open - Classic - Crawford 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-03-09	rnd 2	type Standard	result 1
		Opponent Humphrey, D (Damian)				Opponent Humphrey, D (Damian)

#	Games	Start				End
1	2	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 3	type Rapid	result 1
		Opponent Isaacs, S (Sophia)				Opponent Chikwava, R (Ronald)
2	1	Tournament Gear Up Mzansi Rapid 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 1	type Rapid	result 1
		Opponent Botha, L (Leane)				Opponent Botha, L (Leane)

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	Pretorius ,A (Andrei)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Pretorius ,A (Andrei)	1	1227.5	802.5	1	1242.8	802.5	0	0	0	0	0	0
2	Humphrey ,D (Damian)	1	1	425	1	1	425	0	0	0	0	0	0
2	Humphrey ,D (Damian)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Eksteen ,A (Alula)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Eksteen ,A (Alula)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Parsot ,S (Shalin)	1	1	425	1	1	425	0	0	0	0	0	0
4	Parsot ,S (Shalin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Mangena ,M (Marklee)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mangena ,M (Marklee)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Zou ,Z (ZhiSheng)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Zou ,Z (ZhiSheng)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Haupt ,A (Abigail)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Haupt ,A (Abigail)	1	1264.8	839.8	1	1253.9	839.8	0	0	0	0	0	0
8	Mbila ,N (Ntando)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mbila ,N (Ntando)	1	1209.3	784.3	1	1212.4	784.3	0	0	0	0	0	0
9	Mungaldave ,M (Milin)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mungaldave ,M (Milin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Ledwaba ,N (Nua)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ledwaba ,N (Nua)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Wu, O (Oscar)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms