Chess South Africa Ratings Database

PLAYER PAGE

Personal

Prins, K (Kobus)

Chess SA id

1150155147

FIDE id

Date of birth

2015-10-17 (U12)

Gender

Male

Region

Ekurhuleni (GE)

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

1112.3

Item	Main	Standard	Rapid	Blitz
Rating	1287.6	1205.6	1352.3	1200
Raw rating	1287.6	1203	1352.3	1200
Weighted rating	1264.2	1205.6	1300	1200
Weighted performance	1178.6	0	0	0
Floor	802.6	731.1	852.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	146.4	165.1	133.5	165.8
Highest rating	1302.6 2025-02-01	1231.1 2024-11-01	1405.1 2024-03-01	1200 2018-10-01
Highest raw rating	1302.6 2025-02-01	1231.1 2024-11-01	1352.3 2025-09-01	1200 2024-02-01
Highest weighted rating	1256.2 2025-09-01	1231.1 2018-10-01	1286.6 2025-09-01	1200 2018-10-01
Highest weighted performance	1302.6 2025-02-01	1200 2019-12-01	1405.1 2024-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0.6	0	0
New rating	1287.6	1206.2	1352.3	1200
Analysis
Rating	1287.6	1205.6	1352.3	1200
Raw rating	1287.6	1203	1352.3	1200
Weighted rating	1264.2	1205.6	1300
Weighted performance	1178.6	0	0
K-factor	36	36	36	36
Floor	802.6	731.1	852.3	700
Max/Min rating change allowed	146.4	165.1	133.5	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	1287.6	1203	1352.3	1200
New weighted rating	1267.6	1206.2	1306	1200
New weighted performance	1171.2	0	0	0
Temp new rating	1287.6	1206.2	1352.3	1200
Temp new rating +/-	0	0.6	0	0
Final new rating +/-	0	0.6	0	0
New rating	1287.6	1206.2	1352.3	1200
New K-factor	36	36	36	36
New floor	802.6	731.1	852.3	700

Item	Main	Standard	Rapid
	0	0	0
	15	5	10
	22	13	9
	6	6	0
	0	0	0
	0	0	0
History	43	24	19

Games since
	Main 37	Standard 18		Rapid 19		Blitz 0
Gender	Male
Age group	U12
Region	Ekurhuleni (GE)
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	15	9.5	63.33	113.3	1198.6	1312
Standard	5	1	20	-255	1183.6	928.6
Rapid	10	8.5	85	297.5	1206.2	1503.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	43	26	60.47	89	1211.6	1300.6
Standard	24	11	45.83	-35.4	1219.2	1183.8
Rapid	19	15	78.95	246.1	1202	1448
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1287.6	1203	1352.3	1200
2025-09-30	1287.6	1203	1352.3	1200
2025-09-01	1287.6	1203	1352.3	1200
2025-08-01	1251.5	1203	1303.6	1200
2025-07-01	1249.5	1201.9	1303.6	1200
2025-06-01	1247.5	1200.7	1303.6	1200
2025-05-01	1245.1	1197.6	1303.6	1200
2025-04-01	1302.6	1231.1	1303.6	1200
2025-03-01	1302.6	1231.1	1303.6	1200
2025-02-01	1302.6	1231.1	1303.6	1200
2025-01-01	1274.2	1231.1	1267	1200
2024-12-01	1274.2	1231.1	1267	1200
2024-11-01	1274.2	1231.1	1267	1200
2024-10-01	1254.2	1212	1267	1200
2024-09-01	1236.9	1186.4	1267	1200
2024-08-01	1236.9	1186.4	1267	1200
2024-07-01	1236.9	1186.4	1267	1200
2024-09-01	1215.7	1161.9	1267	1200
2024-05-01	1215.7	1161.9	1267	1200
2024-04-01	1215.7	1161.9	1267	1200
2024-03-01	1182	1161.9	1218	1200
2024-02-01	1168.4	1161.9	1200	1200
2024-01-01	1168.4	1161.9	1200	1200
2023-12-01	1168.4	1161.9	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	Benoni Primary School Cluster Teams 2025 (U11B)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U11 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
3	LS Northmead Trials 2025 (U11)	2025-01-25	2025-01-25	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni Primary School Cluster Teams 2025 (U11B)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U11 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
3	LS Northmead Trials 2025 (U11)	2025-01-25	2025-01-25	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
4	Gauteng Top Schools 2024 (U9 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Ekurhuleni North Schools Finals - Teams 2024 (U9 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	3	2	Yes	Analysis
6	Ekurhuleni North Primary Schools District Individual Finals 2024 (U9 Boys)	2024-05-11	2024-05-11	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
7	Benoni Primary School Cluster Individuals 2024 (U9 Boys)	2024-03-09	2024-03-09	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
8	Laerskool Northmead Proewe 2024 (U9)	2024-02-10	2024-02-10	Rapid	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
9	2023 Gauteng Top Schools (U9 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	1	0	Yes	Analysis
10	Ekurhuleni North Schools Individual Finals 2023 (U9 Boys)	2023-05-12	2023-05-12	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Ragee, Z (Zarah)				Opponent Teixeira, T (Tiano)
2	5	Tournament Gauteng Top Schools 2024				Tournament LS Northmead Trials 2025
		date 2024-10-04	rnd 3	type Standard	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Matlou, K (Khumo)				Opponent Lourens, Z (Zac)
3	4	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Ekurhuleni North Primary Schools District Individual Finals 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Oresakazie, C (Chukwukaima)				Opponent Van Rensburg, J (Janru)

#	Games	Start				End
1	4	Tournament Gauteng Top Schools 2024				Tournament Benoni Primary School Cluster 12 April 2025
		date 2024-10-04	rnd 3	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Matlou, K (Khumo)				Opponent Pretorius, R (Ronan Neo)
2	3	Tournament Ekurhuleni North Primary Schools District Individual Finals 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Masoeu, A (Amogelang)				Opponent Mashita, B (Bohlale)
3	1	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-08-03	rnd 5	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Mhumucha, B (Blessing)				Opponent Mhumucha, B (Blessing)

#	Games	Start				End
1	7	Tournament LS Northmead Trials 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-01-25	rnd 4	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Gouws, L (Luca)				Opponent Teixeira, T (Tiano)
2	5	Tournament Benoni Primary School Cluster Individuals 2024				Tournament LS Northmead Trials 2025
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Oresakazie, C (Chukwukaima)				Opponent Lourens, Z (Zac)
3	3	Tournament Laerskool Northmead Proewe 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-03-09	rnd 1	type Rapid	result 1
		Opponent Gouws, L (Luca)				Opponent Steyn, J (Janco)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Gauteng Top Schools 2024				Tournament LS Northmead Trials 2025
		date 2024-10-04	rnd 3	type Standard	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Matlou, K (Khumo)				Opponent Lourens, Z (Zac)
2	4	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Ekurhuleni North Primary Schools District Individual Finals 2024
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 1	type Standard	result 1
		Opponent Oresakazie, C (Chukwukaima)				Opponent Van Rensburg, J (Janru)
3	3	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 3	type Rapid	result 1
		Opponent Ragee, Z (Zarah)				Opponent Tsagane, O (Omphile)

#	Games	Start				End
1	4	Tournament Gauteng Top Schools 2024				Tournament Benoni Primary School Cluster 12 April 2025
		date 2024-10-04	rnd 3	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Matlou, K (Khumo)				Opponent Pretorius, R (Ronan Neo)
2	3	Tournament Ekurhuleni North Primary Schools District Individual Finals 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-05-11	rnd 4	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Masoeu, A (Amogelang)				Opponent Mashita, B (Bohlale)
3	1	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-08-03	rnd 5	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Mhumucha, B (Blessing)				Opponent Mhumucha, B (Blessing)

#	Games	Start				End
1	5	Tournament LS Northmead Trials 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-01-25	rnd 4	type Rapid	result 1	date 2025-08-02	rnd 3	type Rapid	result 1
		Opponent Gouws, L (Luca)				Opponent Tsagane, O (Omphile)
2	5	Tournament Benoni Primary School Cluster Individuals 2024				Tournament LS Northmead Trials 2025
		date 2024-03-09	rnd 3	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent Oresakazie, C (Chukwukaima)				Opponent Lourens, Z (Zac)
3	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 5	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Teixeira, T (Tiano)				Opponent Teixeira, T (Tiano)

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	Moodley ,J (Jayden)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Moodley ,J (Jayden)	2	1287.2	862.2	2	1218.4	862.2	0	0	0	0	0	0
2	Marais ,I (Ivan)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
2	Marais ,I (Ivan)	2	1196.4	1408.9	0	0	0	2	1190.7	1408.9	0	0	0
3	Gouws ,L (Luca)	2	2	425	0	0	0	2	2	425	0	0	0
3	Gouws ,L (Luca)	2	1183.3	1608.3	0	0	0	2	1174.5	1608.3	0	0	0
4	Els ,L (Luan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Els ,L (Luan)	1	1254.2	829.2	1	1263.3	829.2	0	0	0	0	0	0
5	Mashita ,B (Bohlale)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mashita ,B (Bohlale)	1	1252.5	1677.5	1	1261.6	1677.5	0	0	0	0	0	0
6	Mosala ,A (Atlehang)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mosala ,A (Atlehang)	1	1199.3	774.3	1	1198.8	774.3	0	0	0	0	0	0
7	Rodriguez Figueroa ,C (Carlos)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Rodriguez Figueroa ,C (Carlos)	1	1149.8	724.8	1	1139.2	724.8	0	0	0	0	0	0
8	Pretorius ,C (Corne)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Pretorius ,C (Corne)	1	1185	760	1	1200	760	0	0	0	0	0	0
9	Mhumucha ,B (Blessing)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mhumucha ,B (Blessing)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Lourens ,L (Ludre)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Lourens ,L (Ludre)	1	1199.7	774.7	1	1200	774.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Prins, K (Kobus)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms