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

14.2

Junior GPX Points

1123.5

Item	Main	Standard	Rapid	Blitz
Rating	1225.2	1231.5	1199.6	1199.4
Raw rating	1225.2	1231.5	1199.5	1199.4
Weighted rating	1205.7	1207.2	1199.6	1199.3
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	2.1	-6.1	-0	0
New rating	1227.3	1225.4	1199.6	1199.4
Analysis
Rating	1225.2	1231.5	1199.6	1199.4
Raw rating	1225.2	1231.5	1199.5	1199.4
Weighted rating	1205.7	1207.2	1199.6
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	5	5	0	0
Score	2	2	0	0
Expected score	1.94	2.17	0	0
Score-Expected	0.06	-0.17	0	0
Temp raw +/-	2.1	-6.1	0	0
Final raw +/-	2.1	-6.1	0	0
New raw rating	1227.3	1225.4	1199.5	1199.4
New weighted rating	1207.6	1209	1199.6	1199.3
New weighted performance	1142.4	0	0	0
Temp new rating	1227.3	1225.4	1199.6	1199.4
Temp new rating +/-	2.1	-6.1	-0	0
Final new rating +/-	2.1	-6.1	-0	0
New rating	1227.3	1225.4	1199.6	1199.4
New K-factor	36	36	36	36
New floor	727.3	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
2025-11-01	1225.2	1231.5	1199.5	1199.4
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
2024-09-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Power House October Open 2025 (D)	2025-10-25	2025-10-25	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Power House October Open 2025 (D)	2025-10-25	2025-10-25	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Lonehill Chess Academy - 1st Rated Tournament 2025 (C)	2025-08-02	2025-08-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	Chess Power House Youth Day Rapid 2025 (D)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	4	1	Yes	Analysis
4	Moja Chess Extravaganza 2025 (Blitz)	2025-04-26	2025-04-26	Blitz	Johannesburg Metro (GJM)	7	7	1	Yes	Analysis
5	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	Chess Power House October Open 2025 (D)	2025-10-25	2025-10-25	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Lonehill Chess Academy - 1st Rated Tournament 2025 (C)	2025-08-02	2025-08-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	Chess Power House Youth Day Rapid 2025 (D)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	4	1	Yes	Analysis
4	Moja Chess Extravaganza 2025 (Blitz)	2025-04-26	2025-04-26	Blitz	Johannesburg Metro (GJM)	7	7	1	Yes	Analysis
5	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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Xin, M (Mengru)

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms