Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kolbe, J (Jayton)

Chess SA id

1110191591

FIDE id

Date of birth

2011-06-10 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-10

Personal details last changed

1900-01-01

Junior GPX Games

31.8

Junior GPX Points

1272.4

Item	Main	Standard	Rapid	Blitz
Rating	1345.5	1343.6	1199.9	1200
Raw rating	1345.5	1343.6	1199.9	1200
Weighted rating	1320.5	1316.9	1199.9	1200
Weighted performance	1285.2	1295.5	0	0
Floor	874.6	867.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	134.8	135.1	165.8	165.8
Highest rating	1374.6 2025-06-01	1367.7 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1374.6 2025-06-01	1367.7 2025-06-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1309.8 2025-09-01	1306.2 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1370.6 2025-06-01	1352.3 2024-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1345.5	1343.6	1199.9	1200
Analysis
Rating	1345.5	1343.6	1199.9	1200
Raw rating	1345.5	1343.6	1199.9	1200
Weighted rating	1320.5	1316.9	1199.9
Weighted performance	1285.2	1295.5	0
K-factor	36	36	36	36
Floor	874.6	867.7	700	700
Max/Min rating change allowed	134.8	135.1	165.8	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	1345.5	1343.6	1199.9	1200
New weighted rating	1325.1	1321.5	1199.9	1200
New weighted performance	1277.3	1287.5	0	0
Temp new rating	1345.5	1343.6	1199.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1345.5	1343.6	1199.9	1200
New K-factor	36	36	36	36
New floor	874.6	867.7	700	700

Item	Main	Standard	Rapid
	0	0	0
	32	25	7
	29	29	0
	0	0	0
	0	0	0
	0	0	0
History	61	54	7

Games since
	Main 61	Standard 54		Rapid 7		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2768		958		278
Male	2213		756		226
U16	443		153		44
U16 Male	330		110		35
Standard
	RSA		Province		Region
Overall	2729		998		278
Male	2185		798		227
U16	442		159		45
U16 Male	333		120		36
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	32	18.5	57.81	66.4	1338.2	1404.6
Standard	25	15.5	62	102	1290.3	1392.3
Rapid	7	3	42.86	-60.7	1509.3	1448.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	61	34	55.74	48.8	1288.8	1337.6
Standard	54	31	57.41	63	1260.3	1323.2
Rapid	7	3	42.86	-60.7	1509.3	1448.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1345.5	1343.6	1199.9	1200
2025-09-30	1345.5	1343.6	1199.9	1200
2025-09-01	1345.5	1343.6	1199.9	1200
2025-08-01	1365.8	1362.7	1199.9	1200
2025-07-01	1374.6	1367.7	1199.9	1200
2025-06-01	1374.6	1367.7	1199.9	1200
2025-05-01	1345.9	1331.9	1199.9	1200
2025-04-01	1345.9	1331.9	1199.9	1200
2025-03-01	1345.9	1331.9	1199.4	1200
2025-02-01	1263.8	1262.1	1200	1200
2025-01-01	1263.8	1262.1	1200	1200
2024-12-01	1325.4	1325.8	1200	1200
2024-11-01	1325.4	1325.8	1200	1200
2024-10-01	1325.4	1325.8	1200	1200
2024-09-01	1325.4	1325.8	1200	1200
2024-08-01	1229.6	1233.1	1200	1200
2024-07-01	1224.8	1230.6	1200	1200
2024-09-01	1224.8	1230.6	1200	1200
2024-05-01	1217	1220.9	1200	1200
2024-04-01	1217	1220.9	1200	1200
2024-03-01	1188.3	1186.3	1200	1200
2024-02-01	1188.3	1186.3	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	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	JMC Closed 2025 (U16)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	South African Open 2025 (U16 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	JMC Crawford Sandton 2025 (D)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	JMC Rapid The Bridge School 2025 (Open)	2025-02-23	2025-02-23	Rapid	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
5	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
6	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Closed 2025 (U16)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	South African Open 2025 (U16 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	JMC Crawford Sandton 2025 (D)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	JMC Rapid The Bridge School 2025 (Open)	2025-02-23	2025-02-23	Rapid	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
5	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
6	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
7	Gauteng Inter-Region at UJ 2024 (U14 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
8	JMC Closed 2024 (D)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
9	Chess Power House July Open 2024 (C)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
10	JMC Crawford International Sandton 2024 (D)	2024-05-11	2024-05-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	JMC Unika School Tournament 2024 (D)	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
12	JMC Kick Off Tournament 2024 (D)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament JMC Closed 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-09	rnd 1	type Standard	result 1	date 2024-12-07	rnd 1	type Standard	result 1
		Opponent Chauke, N (Nokukhanya)				Opponent Smith, MI (Melea Ine)
2	5	Tournament JMC Kick Off Tournament 2024				Tournament JMC Unika School Tournament 2024
		date 2024-01-28	rnd 5	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Chikwava, R (Ronald)				Opponent Mogotsi, G (Gomolemo)
3	4	Tournament JMC Crawford Sandton 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Lochner, C (Christiaan)				Opponent Steyn, A (Anneke)

#	Games	Start				End
1	6	Tournament JMC Closed 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-09	rnd 1	type Standard	result 1	date 2024-12-07	rnd 1	type Standard	result 1
		Opponent Chauke, N (Nokukhanya)				Opponent Smith, MI (Melea Ine)
2	5	Tournament JMC Kick Off Tournament 2024				Tournament JMC Unika School Tournament 2024
		date 2024-01-28	rnd 5	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Chikwava, R (Ronald)				Opponent Mogotsi, G (Gomolemo)
3	4	Tournament JMC Crawford Sandton 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Lochner, C (Christiaan)				Opponent Steyn, A (Anneke)

#	Games	Start				End
1	3	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 3	type Rapid	result 1	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Mlilo, J (Junior)				Opponent Papanicolaou, M (Mila)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament JMC Crawford Sandton 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Lochner, C (Christiaan)				Opponent Steyn, A (Anneke)
2	4	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Mwandiambira, T (Tinashe Joshua)				Opponent Van Heerden, A (Alexander)
3	3	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 3	type Rapid	result 1	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Mlilo, J (Junior)				Opponent Papanicolaou, M (Mila)

#	Games	Start				End
1	4	Tournament JMC Crawford Sandton 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-10	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Lochner, C (Christiaan)				Opponent Steyn, A (Anneke)
2	4	Tournament JMC Kick Off 2025				Tournament JMC Kick Off 2025
		date 2025-02-02	rnd 1	type Standard	result 1	date 2025-02-02	rnd 4	type Standard	result 1
		Opponent Mwandiambira, T (Tinashe Joshua)				Opponent Van Heerden, A (Alexander)
3	3	Tournament JMC Closed 2024				Tournament JMC Closed 2024
		date 2024-08-09	rnd 1	type Standard	result 1	date 2024-08-10	rnd 3	type Standard	result 1
		Opponent Chauke, N (Nokukhanya)				Opponent Mkulisi, P (Philisiwe)

#	Games	Start				End
1	3	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 3	type Rapid	result 1	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Mlilo, J (Junior)				Opponent Papanicolaou, M (Mila)

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	Cruikshanks ,C (Connor)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Cruikshanks ,C (Connor)	2	1283.3	1070.8	2	1274.5	1070.8	0	0	0	0	0	0
2	Lochner ,C (Christiaan)	2	2	425	2	2	425	0	0	0	0	0	0
2	Lochner ,C (Christiaan)	2	1168	1593	2	1171.8	1593	0	0	0	0	0	0
3	Moletsane ,O (Oabile)	2	1	0	2	1	0	0	0	0	0	0	0
3	Moletsane ,O (Oabile)	2	1236.3	1236.3	2	1267.2	1236.3	0	0	0	0	0	0
4	Kusi ,P (Prince Kwame)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kusi ,P (Prince Kwame)	1	1192.6	767.6	1	1200	767.6	0	0	0	0	0	0
5	Liebenberg ,N (Nathan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Liebenberg ,N (Nathan)	1	1133.7	1558.7	1	1135.2	1558.7	0	0	0	0	0	0
6	Nolan ,C (Christopher)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Nolan ,C (Christopher)	1	1333.5	908.5	1	1323.6	908.5	0	0	0	0	0	0
7	Iyer ,A (Aditya)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Iyer ,A (Aditya)	1	1191.4	766.4	1	1200.4	766.4	0	0	0	0	0	0
8	Chauke ,N (Nosipho)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Chauke ,N (Nosipho)	1	1109.9	684.9	1	1085	684.9	0	0	0	0	0	0
9	Mallach ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mallach ,M (Matthew)	1	1519.6	1094.6	1	1529.5	1094.6	0	0	0	0	0	0
10	Eustace ,A (Ally)	1	1	425	1	1	425	0	0	0	0	0	0
10	Eustace ,A (Ally)	1	1131.4	1556.4	1	1161.2	1556.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Kolbe, J (Jayton)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms