Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, M (Mateo)

Chess SA id

1120310717

FIDE id

Date of birth

2012-06-28 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1187.3	1189	1193.5	1200
Raw rating	1187.3	1189	1193.5	1200
Weighted rating	1186.6	1188.4	1193.3	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	168.8	168.4	167.4	165.8
Highest rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest raw rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest weighted rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-12-01	1200 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1187.3	1189	1193.5	1200
Analysis
Rating	1187.3	1189	1193.5	1200
Raw rating	1187.3	1189	1193.5	1200
Weighted rating	1186.6	1188.4	1193.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	168.8	168.4	167.4	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	1187.3	1189	1193.5	1200
New weighted rating	1186.4	1188.3	1193.2	1200
New weighted performance	0	0	0	0
Temp new rating	1187.3	1189	1193.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1187.3	1189	1193.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	9	4	5
	9	4	5
	0	0	0
	0	0	0
	0	0	0
History	18	8	10

Games since
	Main 18	Standard 8		Rapid 10		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	9	3	33.33	-141.7	1255.2	1113.5
Standard	4	1	25	-212.5	1260.4	1047.9
Rapid	5	2	40	-85	1251	1166
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	18	6	33.33	-141.7	1247.9	1106.2
Standard	8	2	25	-212.5	1260.6	1048.1
Rapid	10	4	40	-85	1237.7	1152.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1187.3	1189	1193.5	1200
2025-09-01	1187.3	1189	1193.5	1200
2025-08-01	1187.3	1189	1193.5	1200
2025-07-01	1187.3	1189	1192.9	1200
2025-06-01	1186.4	1187.6	1194.4	1200
2025-05-01	1188.9	1190.5	1194.4	1200
2025-04-01	1188.9	1190.5	1194.4	1200
2025-03-01	1188.9	1190.5	1194.4	1200
2025-02-01	1187.7	1189.4	1193.8	1200
2025-01-01	1166.5	1171.2	1183.2	1200
2024-12-01	1166.5	1171.2	1183.2	1200
2024-11-01	1166.5	1171.2	1183.2	1200
2024-10-01	1166.5	1171.2	1183.2	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	Chess Power House Youth Day Rapid 2025 (B)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	East Rand Chess Club Open 2025 (B)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Chess Power House Youth Day Rapid 2025 (B)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	East Rand Chess Club Open 2025 (B)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
3	Ekurhuleni Chess Soncini Playoffs 2024 (Boys)	2024-09-14	2024-09-14	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	Ekurhuleni Trails 3 2024 (U14)	2024-08-24	2024-08-24	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Ekurhuleni Trails 3 2024				Tournament Ekurhuleni Chess Soncini Playoffs 2024
		date 2024-08-24	rnd 5	type Standard	result 1	date 2024-09-14	rnd 1	type Rapid	result 1
		Opponent Solundwana, L (Lunje)				Opponent Ngoshi, N (Nyasha)
2	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 4	type Rapid	result 1	date 2025-06-16	rnd 4	type Rapid	result 1
		Opponent Manga, P (Philani)				Opponent Manga, P (Philani)
3	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Nkiwane, L (Langelihle)				Opponent Nkiwane, L (Langelihle)

#	Games	Start				End
1	1	Tournament East Rand Chess Club Open 2025				Tournament East Rand Chess Club Open 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-05-03	rnd 5	type Standard	result 1
		Opponent Keulder, R (Ruben)				Opponent Keulder, R (Ruben)
2	1	Tournament Ekurhuleni Trails 3 2024				Tournament Ekurhuleni Trails 3 2024
		date 2024-08-24	rnd 5	type Standard	result 1	date 2024-08-24	rnd 5	type Standard	result 1
		Opponent Solundwana, L (Lunje)				Opponent Solundwana, L (Lunje)

#	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 4	type Rapid	result 1	date 2025-06-16	rnd 4	type Rapid	result 1
		Opponent Manga, P (Philani)				Opponent Manga, P (Philani)
2	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Nkiwane, L (Langelihle)				Opponent Nkiwane, L (Langelihle)
3	1	Tournament Ekurhuleni Chess Soncini Playoffs 2024				Tournament Ekurhuleni Chess Soncini Playoffs 2024
		date 2024-09-14	rnd 5	type Rapid	result 1	date 2024-09-14	rnd 5	type Rapid	result 1
		Opponent Madzunya, I (Imani)				Opponent Madzunya, I (Imani)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Ekurhuleni Trails 3 2024				Tournament Ekurhuleni Chess Soncini Playoffs 2024
		date 2024-08-24	rnd 5	type Standard	result 1	date 2024-09-14	rnd 1	type Rapid	result 1
		Opponent Solundwana, L (Lunje)				Opponent Ngoshi, N (Nyasha)
2	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 4	type Rapid	result 1	date 2025-06-16	rnd 4	type Rapid	result 1
		Opponent Manga, P (Philani)				Opponent Manga, P (Philani)
3	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Nkiwane, L (Langelihle)				Opponent Nkiwane, L (Langelihle)

#	Games	Start				End
1	1	Tournament East Rand Chess Club Open 2025				Tournament East Rand Chess Club Open 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-05-03	rnd 5	type Standard	result 1
		Opponent Keulder, R (Ruben)				Opponent Keulder, R (Ruben)
2	1	Tournament Ekurhuleni Trails 3 2024				Tournament Ekurhuleni Trails 3 2024
		date 2024-08-24	rnd 5	type Standard	result 1	date 2024-08-24	rnd 5	type Standard	result 1
		Opponent Solundwana, L (Lunje)				Opponent Solundwana, L (Lunje)

#	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 4	type Rapid	result 1	date 2025-06-16	rnd 4	type Rapid	result 1
		Opponent Manga, P (Philani)				Opponent Manga, P (Philani)
2	1	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 2	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Nkiwane, L (Langelihle)				Opponent Nkiwane, L (Langelihle)
3	1	Tournament Ekurhuleni Chess Soncini Playoffs 2024				Tournament Ekurhuleni Chess Soncini Playoffs 2024
		date 2024-09-14	rnd 5	type Rapid	result 1	date 2024-09-14	rnd 5	type Rapid	result 1
		Opponent Madzunya, I (Imani)				Opponent Madzunya, I (Imani)

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	Keulder ,R (Ruben)	1	1	425	1	1	425	0	0	0	0	0	0
1	Keulder ,R (Ruben)	1	1192.6	1617.6	1	1191.2	1617.6	0	0	0	0	0	0
2	Erasmus ,M (Max)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Erasmus ,M (Max)	1	1325	900	1	1303	900	0	0	0	0	0	0
3	Deulkar ,R (Ronit)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Deulkar ,R (Ronit)	1	1261.5	836.5	1	1266.5	836.5	0	0	0	0	0	0
4	Greenwood ,D (Derick)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Greenwood ,D (Derick)	1	1228.3	803.3	1	1196.1	803.3	0	0	0	0	0	0
5	Solundwana ,L (Lunje)	1	1	425	1	1	425	0	0	0	0	0	0
5	Solundwana ,L (Lunje)	1	1172.8	1597.8	1	1165.2	1597.8	0	0	0	0	0	0
6	Nengovhela ,M (Manakela)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Nengovhela ,M (Manakela)	1	1226.2	801.2	1	1230.4	801.2	0	0	0	0	0	0
7	Grootboom ,C (Chante)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Grootboom ,C (Chante)	1	1295.4	870.4	1	1293.3	870.4	0	0	0	0	0	0
8	Ngcongolo ,T (Thamsanqa)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ngcongolo ,T (Thamsanqa)	1	1382.4	957.4	1	1375.1	957.4	0	0	0	0	0	0
9	Ngoshi ,N (Nyasha)	1	1	425	0	0	0	1	1	425	0	0	0
9	Ngoshi ,N (Nyasha)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Mdletshe ,N (Nhlakaniho Menzi)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Mdletshe ,N (Nhlakaniho Menzi)	1	1184.8	759.8	0	0	0	1	1200	759.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Du Preez, M (Mateo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms