Chess South Africa Ratings Database

PLAYER PAGE

Personal

Xu, R (Rubin)

Chess SA id

1100318396

FIDE id

Date of birth

2010-04-20 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1299.4	1327.3	1200	1195.1
Raw rating	1299.4	1308.2	1200	1178.8
Weighted rating	1224.8	1226.9	1200	1195.1
Weighted performance	1295.8	1327.3	0	0
Floor	799.4	808.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	143.9	142.1	165.8	170.9
Highest rating	1310.4 2025-11-30	1342.3 2025-11-30	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1299.4 2025-11-30	1308.2 2025-11-30	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1217.7 2025-11-30	1219 2025-11-30	1200 2025-04-01	1200 2025-04-01
Highest weighted performance	1310.4 2025-11-30	1342.3 2025-11-30	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-8.9	0	-1.5
New rating	1299.4	1318.4	1200	1193.6
Analysis
Rating	1299.4	1327.3	1200	1195.1
Raw rating	1299.4	1308.2	1200	1178.8
Weighted rating	1224.8	1226.9	1200
Weighted performance	1295.8	1327.3	0
K-factor	36	36	36	36
Floor	799.4	808.2	700	700
Max/Min rating change allowed	143.9	142.1	165.8	170.9
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	1299.4	1308.2	1200	1178.8
New weighted rating	1231.7	1234.3	1200	1193.6
New weighted performance	1287.1	1318.4	0	0
Temp new rating	1299.4	1318.4	1200	1193.6
Temp new rating +/-	0	-8.9	0	-1.5
Final new rating +/-	0	-8.9	0	-1.5
New rating	1299.4	1318.4	1200	1193.6
New K-factor	36	36	36	36
New floor	799.4	808.2	700	700

Item	Main	Standard	Blitz
	0	0	0
	48	42	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	48	42	6

Games since
	Main 48	Standard 42		Rapid 0		Blitz 6
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3177		1057		309
Male	2485		822		251
U16	501		170		49
U16 Male	370		122		40
Standard
	RSA		Province		Region
Overall	2739		1003		282
Male	2194		807		231
U16	446		158		47
U16 Male	336		120		38
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	48	22.5	46.88	-26.6	1299.1	1272.5
Standard	42	20.5	48.81	-10.1	1282.7	1272.6
Rapid	0	0	0	0	0	0
Blitz	6	2	33.33	-141.7	1413.5	1271.9
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	48	22.5	46.88	-26.6	1299.1	1272.5
Standard	42	20.5	48.81	-10.1	1282.7	1272.6
Rapid	0	0	0	0	0	0
Blitz	6	2	33.33	-141.7	1413.5	1271.9

Date	Main	Standard	Rapid	Blitz
2026-01-01	1299.4	1308.2	1200	1178.8
2025-11-30	1299.4	1308.2	1200	1178.8
2025-11-01	1256.1	1255.6	1200	1178.8
2025-09-30	1252.8	1261	1200	1200
2025-09-01	1225.3	1226.8	1200	1200
2025-08-01	1199.6	1199.5	1200	1200
2025-07-01	1199.5	1199.6	1200	1200
2025-06-01	1197	1197.2	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	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	JCC St Davids Marist Schools League 2025 (B)	2025-09-08	2025-10-27	Standard	Johannesburg Metro (GJM)	6	6	5	Yes	Analysis
2	2025 Gauteng Top Schools Teams (U15)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025 (B)	2025-09-27	2025-09-27	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
4	Randburg Spring Blitz 2025	2025-09-23	2025-09-23	Blitz	Johannesburg Metro (GJM)	7	6	2	Yes	Analysis
5	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	JMC Closed 2025 (C)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
7	South African Open 2025 (U16 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
8	Moja Chess Extravaganza 2025 (C)	2025-04-26	2025-05-01	Standard	Johannesburg Metro (GJM)	9	7	1	Yes	Analysis
9	JMC Crawford Sandton 2025 (D)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
10	JCC - Dainfern Chess League 2025 (B)	2025-02-03	2025-03-17	Standard	Johannesburg Metro (GJM)	6	0	0	No	Analysis

#	Games	Start				End
1	3	Tournament Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025				Tournament Khelo India - Lonehill Chess Academy - 2nd Annual Chess Tournament 2025
		date 2025-09-27	rnd 3	type Standard	result 1	date 2025-09-27	rnd 5	type Standard	result 1
		Opponent Maganti, D (Dheeraj)				Opponent Maharaj, A (Adithya)
2	2	Tournament Randburg Spring Blitz 2025				Tournament Randburg Spring Blitz 2025
		date 2025-09-23	rnd 6	type Blitz	result 1	date 2025-09-23	rnd 7	type Blitz	result 1
		Opponent Okonkwo, B (Blessing)				Opponent Ramlutchman, K (Kyle)
3	2	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 2	type Standard	result 1	date 2025-09-13	rnd 3	type Standard	result 1
		Opponent Thokoane, M (Mogale)				Opponent Manamela, B (Bokang)

#	Games	Start				End
1	2	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 2	type Standard	result 1	date 2025-09-13	rnd 3	type Standard	result 1
		Opponent Thokoane, M (Mogale)				Opponent Manamela, B (Bokang)
2	2	Tournament JMC Closed 2025				Tournament JMC Closed 2025
		date 2025-08-10	rnd 4	type Standard	result 1	date 2025-08-10	rnd 5	type Standard	result 1
		Opponent Liebenberg, N (Nathan)				Opponent Moosa, I (Ikram)
3	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-07-05	rnd 5	type Standard	result 1
		Opponent Cloete, N (Nathan)				Opponent Vogt, A (Arran Michael)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 2	type Standard	result 1	date 2025-09-13	rnd 3	type Standard	result 1
		Opponent Thokoane, M (Mogale)				Opponent Manamela, B (Bokang)
2	2	Tournament JMC Closed 2025				Tournament JMC Closed 2025
		date 2025-08-10	rnd 4	type Standard	result 1	date 2025-08-10	rnd 5	type Standard	result 1
		Opponent Liebenberg, N (Nathan)				Opponent Moosa, I (Ikram)
3	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-07-05	rnd 5	type Standard	result 1
		Opponent Cloete, N (Nathan)				Opponent Vogt, A (Arran Michael)

#	Games	Start				End
1	2	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 2	type Standard	result 1	date 2025-09-13	rnd 3	type Standard	result 1
		Opponent Thokoane, M (Mogale)				Opponent Manamela, B (Bokang)
2	2	Tournament JMC Closed 2025				Tournament JMC Closed 2025
		date 2025-08-10	rnd 4	type Standard	result 1	date 2025-08-10	rnd 5	type Standard	result 1
		Opponent Liebenberg, N (Nathan)				Opponent Moosa, I (Ikram)
3	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-07-05	rnd 5	type Standard	result 1
		Opponent Cloete, N (Nathan)				Opponent Vogt, A (Arran Michael)

No games found.

#	Games	Start				End

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	Steele ,SJ (Sangwani Jude)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Steele ,SJ (Sangwani Jude)	2	1358.8	933.8	2	1352.7	933.8	0	0	0	0	0	0
2	Chadalavada ,B (Bhaarghavarama)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Chadalavada ,B (Bhaarghavarama)	1	1439	1014	1	1434.6	1014	0	0	0	0	0	0
3	Mbolompo ,L (Lindokuhle)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mbolompo ,L (Lindokuhle)	1	1307.7	1732.7	1	1326.8	1732.7	0	0	0	0	0	0
4	John ,OP (Oratile Petronel)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	John ,OP (Oratile Petronel)	1	1265.9	840.9	1	1266.2	840.9	0	0	0	0	0	0
5	Ntumba ,I (Imani)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ntumba ,I (Imani)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Marangarire ,S (Sheunesu)	1	1	425	1	1	425	0	0	0	0	0	0
6	Marangarire ,S (Sheunesu)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Thomson-Selibowitz ,R (Ryder)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Thomson-Selibowitz ,R (Ryder)	1	1470.5	1045.5	1	1472.1	1045.5	0	0	0	0	0	0
8	Saunders ,W (Wayde)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Saunders ,W (Wayde)	1	1498.6	1073.6	1	1496.1	1073.6	0	0	0	0	0	0
9	Maganti ,D (Dheeraj)	1	1	425	1	1	425	0	0	0	0	0	0
9	Maganti ,D (Dheeraj)	1	1186.3	1611.3	1	1195.9	1611.3	0	0	0	0	0	0
10	Weitsz ,E (Eben)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Weitsz ,E (Eben)	1	1370.8	945.8	1	1353.6	945.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Xu, R (Rubin)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms