Chess South Africa Ratings Database

PLAYER PAGE

Personal

Zhu, R (Ryan)

Chess SA id

1160146705

FIDE id

Date of birth

2016-05-05 (U10)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-10-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1225	1200	1240.4	1200
Raw rating	1225	1200	1240.4	1200
Weighted rating	1225	1200	1240.4	1200
Weighted performance	0	0	0	0
Floor	725	700	740.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	160	165.8	156.5	165.8
Highest rating	1225 2024-02-01	1200 2018-10-01	1254.9 2022-10-01	1200 2018-10-01
Highest raw rating	1225 2024-02-01	1200 2024-02-01	1240.4 2024-02-01	1200 2024-02-01
Highest weighted rating	1225 2024-10-01	1200 2018-10-01	1240.4 2025-02-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-02-01	1254.9 2022-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1225	1200	1240.4	1200
Analysis
Rating	1225	1200	1240.4	1200
Raw rating	1225	1200	1240.4	1200
Weighted rating	1225	1200	1240.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	725	700	740.4	700
Max/Min rating change allowed	160	165.8	156.5	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	1225	1200	1240.4	1200
New weighted rating	1225	1200	1240.4	1200
New weighted performance	0	0	0	0
Temp new rating	1225	1200	1240.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1225	1200	1240.4	1200
New K-factor	36	36	36	36
New floor	725	700	740.4	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	0	0
	10	10
	0	0
History	10	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	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	10	6	60	85	1212.8	1297.8
Standard	0	0	0	0	0	0
Rapid	10	6	60	85	1212.8	1297.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1225	1200	1240.4	1200
2025-09-30	1225	1200	1240.4	1200
2025-09-01	1225	1200	1240.4	1200
2025-08-01	1225	1200	1240.4	1200
2025-07-01	1225	1200	1240.4	1200
2025-06-01	1225	1200	1240.4	1200
2025-05-01	1225	1200	1240.4	1200
2025-04-01	1225	1200	1240.4	1200
2025-03-01	1225	1200	1240.4	1200
2025-02-01	1225	1200	1240.4	1200
2025-01-01	1225	1200	1240.4	1200
2024-12-01	1225	1200	1240.4	1200
2024-11-01	1225	1200	1240.4	1200
2024-10-01	1225	1200	1240.4	1200
2024-09-01	1225	1200	1240.4	1200
2024-08-01	1225	1200	1240.4	1200
2024-07-01	1225	1200	1240.4	1200
2024-09-01	1225	1200	1240.4	1200
2024-05-01	1225	1200	1240.4	1200
2024-04-01	1225	1200	1240.4	1200
2024-03-01	1225	1200	1240.4	1200
2024-02-01	1225	1200	1240.4	1200
2024-01-01	1225	1200	1240.4	1200
2023-12-01	1225	1200	1240.4	1200

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	Chess Power House Rapid 2022 (U8)	2022-10-22	2022-10-22	Rapid	Johannesburg Metro (GJM)	5	4	2.5	Yes	Analysis
2	Chess Molecules Championship 2022 (U13)	2022-09-17	2022-09-17	Rapid	Johannesburg Metro (GJM)	5	1	0	Yes	Analysis
3	Chess Molecules Championship 2022 (U10)	2022-09-17	2022-09-17	Rapid	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Chess Molecules Championship 2022				Tournament Chess Molecules Championship 2022
		date 2022-09-17	rnd 1	type Rapid	result 1	date 2022-09-17	rnd 4	type Rapid	result 1
		Opponent Jack, N (Nandi)				Opponent Joffa, A (Asher Atticus)
2	2	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 4	type Rapid	result 0.5	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Chen, J (Jiajun)				Opponent Zhang, Y (Yingxin)
3	1	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 2	type Rapid	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Stelloh, S (Sebastian)				Opponent Stelloh, S (Sebastian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Chess Molecules Championship 2022				Tournament Chess Molecules Championship 2022
		date 2022-09-17	rnd 1	type Rapid	result 1	date 2022-09-17	rnd 4	type Rapid	result 1
		Opponent Jack, N (Nandi)				Opponent Joffa, A (Asher Atticus)
2	2	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 4	type Rapid	result 0.5	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Chen, J (Jiajun)				Opponent Zhang, Y (Yingxin)
3	1	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 2	type Rapid	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Stelloh, S (Sebastian)				Opponent Stelloh, S (Sebastian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess Molecules Championship 2022				Tournament Chess Molecules Championship 2022
		date 2022-09-17	rnd 1	type Rapid	result 1	date 2022-09-17	rnd 2	type Rapid	result 1
		Opponent Jack, N (Nandi)				Opponent Mabuza, N (Nondumiso)
2	1	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Zhang, Y (Yingxin)				Opponent Zhang, Y (Yingxin)
3	1	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 2	type Rapid	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Stelloh, S (Sebastian)				Opponent Stelloh, S (Sebastian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess Molecules Championship 2022				Tournament Chess Molecules Championship 2022
		date 2022-09-17	rnd 1	type Rapid	result 1	date 2022-09-17	rnd 2	type Rapid	result 1
		Opponent Jack, N (Nandi)				Opponent Mabuza, N (Nondumiso)
2	1	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Zhang, Y (Yingxin)				Opponent Zhang, Y (Yingxin)
3	1	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 2	type Rapid	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Stelloh, S (Sebastian)				Opponent Stelloh, S (Sebastian)

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	Zhang ,Y (Yingxin)	1	1	425	0	0	0	1	1	425	0	0	0
1	Zhang ,Y (Yingxin)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
2	Mallach ,M (Matthew)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Mallach ,M (Matthew)	1	1242	817	0	0	0	1	1200.4	817	0	0	0
3	Stelloh ,S (Sebastian)	1	1	425	0	0	0	1	1	425	0	0	0
3	Stelloh ,S (Sebastian)	1	1294.8	1719.8	0	0	0	1	1200	1719.8	0	0	0
4	Holle ,E (Emma Christo)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
4	Holle ,E (Emma Christo)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
5	Jack ,N (Nandi)	1	1	425	0	0	0	1	1	425	0	0	0
5	Jack ,N (Nandi)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Mallach ,D (Daniel)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Mallach ,D (Daniel)	1	1268.6	843.6	0	0	0	1	1258.4	843.6	0	0	0
7	Mabuza ,N (Nondumiso)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mabuza ,N (Nondumiso)	1	1103.7	1528.7	0	0	0	1	1200	1528.7	0	0	0
8	Franklin ,G (Gabriel)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Franklin ,G (Gabriel)	1	1219.4	794.4	0	0	0	1	1280	794.4	0	0	0
9	Joffa ,A (Asher Atticus)	1	1	425	0	0	0	1	1	425	0	0	0
9	Joffa ,A (Asher Atticus)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Chen ,J (Jiajun)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Chen ,J (Jiajun)	1	1200	1200	0	0	0	1	1200	1200	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Zhu, R (Ryan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms