Chess South Africa Ratings Database

PLAYER PAGE

Personal

Xin, M (Mengru)

Chess SA id

1150317936

FIDE id

Date of birth

2015-01-14 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

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

Item	Main	Standard	Rapid	Blitz
Rating	1225.2	1231.5	1199.7	1199.4
Raw rating	1225.2	1231.5	1199.5	1199.4
Weighted rating	1203.9	1204.9	1199.7	1199.4
Weighted performance	0	0	0	0
Floor	725.2	731.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	160	158.5	165.9	166
Highest rating	1225.2 2025-09-01	1231.5 2025-09-01	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1225.2 2025-09-01	1231.5 2025-09-01	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1201.9 2025-09-01	1202.5 2025-09-01	1200 2025-04-01	1200 2025-04-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-0	0
New rating	1225.2	1231.5	1199.6	1199.4
Analysis
Rating	1225.2	1231.5	1199.7	1199.4
Raw rating	1225.2	1231.5	1199.5	1199.4
Weighted rating	1203.9	1204.9	1199.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	725.2	731.5	700	700
Max/Min rating change allowed	160	158.5	165.9	166
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	1225.2	1231.5	1199.5	1199.4
New weighted rating	1205.7	1207.2	1199.6	1199.3
New weighted performance	0	0	0	0
Temp new rating	1225.2	1231.5	1199.6	1199.4
Temp new rating +/-	0	0	-0	0
Final new rating +/-	0	0	-0	0
New rating	1225.2	1231.5	1199.6	1199.4
New K-factor	36	36	36	36
New floor	725.2	731.5	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	20	5	8	7
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	20	5	8	7

Games since
	Main 20	Standard 5		Rapid 8		Blitz 7
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	20	7	35	-127.5	1329.6	1202.1
Standard	5	3	60	85	1252.5	1337.5
Rapid	8	3	37.5	-106.2	1234.6	1128.3
Blitz	7	1	14.29	-303.6	1493.3	1189.7
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	7	35	-127.5	1329.6	1202.1
Standard	5	3	60	85	1252.5	1337.5
Rapid	8	3	37.5	-106.2	1234.6	1128.3
Blitz	7	1	14.29	-303.6	1493.3	1189.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1225.2	1231.5	1199.5	1199.4
2025-09-01	1225.2	1231.5	1199.5	1199.4
2025-08-01	1199.8	1200	1199.5	1199.4
2025-07-01	1199	1200	1196.7	1199
2025-06-01	1199.8	1200	1200	1193.7
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
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Lonehill Chess Academy - 1st Rated Tournament 2025 (C)	2025-08-02	2025-08-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	Chess Power House Youth Day Rapid 2025 (D)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	4	1	Yes	Analysis
3	Moja Chess Extravaganza 2025 (Blitz)	2025-04-26	2025-04-26	Blitz	Johannesburg Metro (GJM)	7	7	1	Yes	Analysis
4	UJ Scholars 1st Edition 2025 (U13)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Lonehill Chess Academy - 1st Rated Tournament 2025 (C)	2025-08-02	2025-08-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	Chess Power House Youth Day Rapid 2025 (D)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	4	1	Yes	Analysis
3	Moja Chess Extravaganza 2025 (Blitz)	2025-04-26	2025-04-26	Blitz	Johannesburg Metro (GJM)	7	7	1	Yes	Analysis
4	UJ Scholars 1st Edition 2025 (U13)	2025-03-15	2025-03-15	Rapid	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Lonehill Chess Academy - 1st Rated Tournament 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Kartheeban, M (Mritunjai)				Opponent Surukanti, A (Arin Jay)
2	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 5	type Rapid	result 1	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Mazibeli, L (Lesedi)				Opponent Mazibeli, L (Lesedi)
3	1	Tournament Moja Chess Extravaganza 2025				Tournament Moja Chess Extravaganza 2025
		date 2025-04-26	rnd 5	type Blitz	result 1	date 2025-04-26	rnd 5	type Blitz	result 1
		Opponent Mokoena, N (Naledientle)				Opponent Mokoena, N (Naledientle)

#	Games	Start				End
1	3	Tournament Lonehill Chess Academy - 1st Rated Tournament 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Kartheeban, M (Mritunjai)				Opponent Surukanti, A (Arin Jay)

#	Games	Start				End
1	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 5	type Rapid	result 1	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Mazibeli, L (Lesedi)				Opponent Mazibeli, L (Lesedi)
2	1	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Arotiba, I (Israel)				Opponent Arotiba, I (Israel)
3	1	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 3	type Rapid	result 1
		Opponent Lam, C (Caden Liu)				Opponent Lam, C (Caden Liu)

#	Games	Start				End
1	1	Tournament Moja Chess Extravaganza 2025				Tournament Moja Chess Extravaganza 2025
		date 2025-04-26	rnd 5	type Blitz	result 1	date 2025-04-26	rnd 5	type Blitz	result 1
		Opponent Mokoena, N (Naledientle)				Opponent Mokoena, N (Naledientle)

#	Games	Start				End
1	3	Tournament Lonehill Chess Academy - 1st Rated Tournament 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Kartheeban, M (Mritunjai)				Opponent Surukanti, A (Arin Jay)
2	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 5	type Rapid	result 1	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Mazibeli, L (Lesedi)				Opponent Mazibeli, L (Lesedi)
3	1	Tournament Moja Chess Extravaganza 2025				Tournament Moja Chess Extravaganza 2025
		date 2025-04-26	rnd 5	type Blitz	result 1	date 2025-04-26	rnd 5	type Blitz	result 1
		Opponent Mokoena, N (Naledientle)				Opponent Mokoena, N (Naledientle)

#	Games	Start				End
1	3	Tournament Lonehill Chess Academy - 1st Rated Tournament 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Kartheeban, M (Mritunjai)				Opponent Surukanti, A (Arin Jay)

#	Games	Start				End
1	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 5	type Rapid	result 1	date 2025-06-16	rnd 5	type Rapid	result 1
		Opponent Mazibeli, L (Lesedi)				Opponent Mazibeli, L (Lesedi)
2	1	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 5	type Rapid	result 1	date 2025-03-15	rnd 5	type Rapid	result 1
		Opponent Arotiba, I (Israel)				Opponent Arotiba, I (Israel)
3	1	Tournament UJ Scholars 1st Edition 2025				Tournament UJ Scholars 1st Edition 2025
		date 2025-03-15	rnd 3	type Rapid	result 1	date 2025-03-15	rnd 3	type Rapid	result 1
		Opponent Lam, C (Caden Liu)				Opponent Lam, C (Caden Liu)

#	Games	Start				End
1	1	Tournament Moja Chess Extravaganza 2025				Tournament Moja Chess Extravaganza 2025
		date 2025-04-26	rnd 5	type Blitz	result 1	date 2025-04-26	rnd 5	type Blitz	result 1
		Opponent Mokoena, N (Naledientle)				Opponent Mokoena, N (Naledientle)

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	Whittaker ,L (Lillian)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Whittaker ,L (Lillian)	2	1456.8	1031.8	1	1454.5	1031.8	1	1069.6	1031.8	0	0	0
2	Kartheeban ,M (Mritunjai)	1	1	425	1	1	425	0	0	0	0	0	0
2	Kartheeban ,M (Mritunjai)	1	1198.8	1623.8	1	1198.2	1623.8	0	0	0	0	0	0
3	Zhang ,Y (Yingxin)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Zhang ,Y (Yingxin)	1	1187.9	762.9	1	1207.4	762.9	0	0	0	0	0	0
4	Tierney ,C (Cameron)	1	1	425	1	1	425	0	0	0	0	0	0
4	Tierney ,C (Cameron)	1	1218.4	1643.4	1	1228.5	1643.4	0	0	0	0	0	0
5	Surukanti ,A (Arin Jay)	1	1	425	1	1	425	0	0	0	0	0	0
5	Surukanti ,A (Arin Jay)	1	1197.9	1622.9	1	1197.5	1622.9	0	0	0	0	0	0
6	Belluigi ,M (Milano)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Belluigi ,M (Milano)	1	1298.5	873.5	0	0	0	1	1181	873.5	0	0	0
7	Arotiba ,I (Israel)	1	1	425	0	0	0	1	1	425	0	0	0
7	Arotiba ,I (Israel)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Lam ,C (Caden Liu)	1	1	425	0	0	0	1	1	425	0	0	0
8	Lam ,C (Caden Liu)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Mazibeli ,L (Lesedi)	1	1	425	0	0	0	1	1	425	0	0	0
9	Mazibeli ,L (Lesedi)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Scop ,S (Sam)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Scop ,S (Sam)	1	1124.3	699.3	0	0	0	1	1166	699.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Xin, M (Mengru)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms