Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kotzee, J (Juvan)

Chess SA id

1120141044

FIDE id

Date of birth

2012-07-04 (U14)

Gender

Male

Region

Capricorn (LCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1490	1492.9	1234.2	1210.8
Raw rating	1490	1492.9	1234.2	1210.8
Weighted rating	1487.4	1488.8	1230.1	1210.8
Weighted performance	1201.2	1201.2	0	0
Floor	1076.3	1080	734.2	710.8
K-factor	32	32	36	36
Min/Max rating change allowed	109.7	109.3	157.9	163.3
Highest rating	1593.6 2023-10-01	1597.4 2023-10-01	1413.4 2024-05-01	1238.2 2022-12-01
Highest raw rating	1576.3 2023-11-01	1580 2023-11-01	1234.2 2024-07-01	1210.8 2024-02-01
Highest weighted rating	1576.3 2025-03-01	1580 2025-03-01	1227.9 2025-08-01	1210.8 2025-02-01
Highest weighted performance	1593.6 2023-10-01	1597.4 2023-10-01	1413.4 2024-05-01	1238.2 2022-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1490	1492.9	1234.2	1210.8
Analysis
Rating	1490	1492.9	1234.2	1210.8
Raw rating	1490	1492.9	1234.2	1210.8
Weighted rating	1487.4	1488.8	1230.1
Weighted performance	1201.2	1201.2	0
K-factor	32	32	36	36
Floor	1076.3	1080	734.2	710.8
Max/Min rating change allowed	109.7	109.3	157.9	163.3
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	1490	1492.9	1234.2	1210.8
New weighted rating	1487.1	1488.6	1231	1210.8
New weighted performance	1200.7	1200.7	0	0
Temp new rating	1490	1492.9	1234.2	1210.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1490	1492.9	1234.2	1210.8
New K-factor	32	32	36	36
New floor	1076.3	1080	734.2	710.8

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	27	23	4	0
	25	25	0	0
	23	16	0	7
	0	0	0	0
History	75	64	4	7

Games since
	Main 42	Standard 38		Rapid 4		Blitz 0
Gender	Male
Age group	U14
Region	Capricorn (LCP)
Province	Limpopo (LP)
Main
	RSA		Province		Region
Overall	1332		32		26
Male	1140		32		26
U14	190		8		7
U14 Male	153		8		7
Standard
	RSA		Province		Region
Overall	1229		33		29
Male	1049		33		29
U14	176		10		9
U14 Male	141		10		9
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	75	55.5	74	204	1267	1471
Standard	64	48.5	75.78	219.1	1270.2	1489.3
Rapid	4	3	75	212.5	1264.8	1477.3
Blitz	7	4	57.14	60.7	1239	1299.7

Date	Main	Standard	Rapid	Blitz
2025-09-30	1490	1492.9	1234.2	1210.8
2025-09-01	1490	1492.9	1234.2	1210.8
2025-08-01	1490	1492.9	1234.2	1210.8
2025-07-01	1490	1492.9	1234.2	1210.8
2025-06-01	1490	1492.9	1234.2	1210.8
2025-05-01	1490	1492.9	1234.2	1210.8
2025-04-01	1490	1492.9	1234.2	1210.8
2025-03-01	1490	1492.9	1234.2	1210.8
2025-02-01	1489.3	1492.5	1234.2	1210.8
2025-01-01	1479.6	1478.7	1234.2	1210.8
2024-12-01	1479.6	1478.7	1234.2	1210.8
2024-11-01	1479.6	1478.7	1234.2	1210.8
2024-10-01	1479.6	1478.7	1234.2	1210.8
2024-09-01	1479.6	1478.7	1234.2	1210.8
2024-08-01	1479.6	1478.7	1234.2	1210.8
2024-07-01	1479.6	1478.7	1234.2	1210.8
2024-06-01	1479.6	1478.7	1200	1210.8
2024-08-01	1465.8	1461.4	1200	1210.8
2024-04-01	1465.8	1461.4	1200	1210.8
2024-03-01	1511.7	1518	1200	1210.8
2024-02-01	1480.4	1478.6	1200	1210.8
2024-01-01	1562.5	1565.6	1200	1210.8
2023-12-01	1562.5	1565.6	1200	1210.8
2023-11-01	1562.5	1565.6	1200	1210.8

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Capricorn District Primary Schools League Finals 2024 (U13A)	2024-05-25	2024-05-25	Rapid	Capricorn (LCP)	5	4	3	Yes	Analysis
2	Capricorn Junior Qualifying 4 2024 (U14)	2024-05-04	2024-05-04	Standard	Capricorn (LCP)	5	5	4	Yes	Analysis
3	Capricorn District Junior Qualifying 3 2024 (U14)	2024-03-09	2024-03-09	Standard	Capricorn (LCP)	5	5	4	Yes	Analysis
4	Capricorn Open Chess Championship 2024 (A)	2024-03-02	2024-03-02	Standard	Capricorn (LCP)	5	3	1	Yes	Analysis
5	Capricorn District Chess Junior Qualifying Tournament 2024 (U14)	2024-02-03	2024-02-03	Standard	Capricorn (LCP)	5	5	5	Yes	Analysis
6	2024 Gauteng Inter-Region Chess Championship (U12A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
7	2023 Capricorn District Junior Final Trials (U12 Boys (Group 1)	2023-11-11	2023-11-11	Standard	Capricorn (LCP)	6	5	3	Yes	Analysis
8	Capricorn District Chess Qualifying Tournament 2023 (U12)	2023-10-28	2023-10-28	Standard	Capricorn (LCP)	5	5	5	Yes	Analysis
9	Capricorn District Chess Qualifying Tournament 2023 (U12)	2023-10-28	2023-10-28	Standard	Capricorn (LCP)	5	5	5	Yes	Analysis
10	Capricorn Qualifying March 2023 (U12)	2023-03-11	2023-03-11	Standard	Capricorn (LCP)	5	5	5	Yes	Analysis
11	Capricorn Qualifying February 4th 2023 (U12)	2023-02-04	2023-02-04	Standard	Capricorn (LCP)	5	5	5	Yes	Analysis
12	2022 South African Junior Team Chess Championships (U12 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	6	4	Yes	Analysis
13	2022 South Africa Junior Blitz Chess Championships (U12)	2022-12-05	2022-12-05	Blitz	4 Knights (4K)	7	7	4	Yes	Analysis
14	Capricorn Qualifying August 2022 (U12)	2022-08-27	2022-08-27	Standard	Capricorn (LCP)	5	5	4	Yes	Analysis
15	Capricorn Qualifying May 2022 (U12)	2022-05-21	2022-05-21	Standard	Capricorn (LCP)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	23	Tournament 2022 South African Junior Team Chess Championships				Tournament 2023 Capricorn District Junior Final Trials
		date 2022-12-07	rnd 6	type Standard	result 1	date 2023-11-11	rnd 1	type Standard	result 1
		Opponent Krimm, K (Kaelan)				Opponent Zitha, VI (Vun`we)
2	7	Tournament Capricorn District Junior Qualifying 3 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Magolela, B (Boitumelo)				Opponent Bergh, M (Martin)
3	5	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, M (Monica)				Opponent Mokwele, R (Ray)

#	Games	Start				End
1	23	Tournament 2022 South African Junior Team Chess Championships				Tournament 2023 Capricorn District Junior Final Trials
		date 2022-12-07	rnd 6	type Standard	result 1	date 2023-11-11	rnd 1	type Standard	result 1
		Opponent Krimm, K (Kaelan)				Opponent Zitha, VI (Vun`we)
2	7	Tournament Capricorn District Junior Qualifying 3 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Magolela, B (Boitumelo)				Opponent Bergh, M (Martin)
3	5	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, M (Monica)				Opponent Mokwele, R (Ray)

#	Games	Start				End
1	3	Tournament Capricorn District Primary Schools League Finals 2024				Tournament Capricorn District Primary Schools League Finals 2024
		date 2024-05-25	rnd 2	type Rapid	result 1	date 2024-05-25	rnd 4	type Rapid	result 1
		Opponent Moloto, S (Sebala)				Opponent Lepheana, B (Bokamoso)

#	Games	Start				End
1	3	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 3	type Blitz	result 1	date 2022-12-05	rnd 5	type Blitz	result 1
		Opponent Labuschagne, E (Edrich)				Opponent Varghese, A (Alan)
2	1	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 7	type Blitz	result 1	date 2022-12-05	rnd 7	type Blitz	result 1
		Opponent Smith, E (Euan)				Opponent Smith, E (Euan)

#	Games	Start				End
1	23	Tournament 2022 South African Junior Team Chess Championships				Tournament 2023 Capricorn District Junior Final Trials
		date 2022-12-07	rnd 6	type Standard	result 1	date 2023-11-11	rnd 1	type Standard	result 1
		Opponent Krimm, K (Kaelan)				Opponent Zitha, VI (Vun`we)
2	7	Tournament Capricorn District Junior Qualifying 3 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Magolela, B (Boitumelo)				Opponent Bergh, M (Martin)
3	5	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, M (Monica)				Opponent Mokwele, R (Ray)

#	Games	Start				End
1	23	Tournament 2022 South African Junior Team Chess Championships				Tournament 2023 Capricorn District Junior Final Trials
		date 2022-12-07	rnd 6	type Standard	result 1	date 2023-11-11	rnd 1	type Standard	result 1
		Opponent Krimm, K (Kaelan)				Opponent Zitha, VI (Vun`we)
2	7	Tournament Capricorn District Junior Qualifying 3 2024				Tournament Capricorn Junior Qualifying 4 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-05-04	rnd 3	type Standard	result 1
		Opponent Magolela, B (Boitumelo)				Opponent Bergh, M (Martin)
3	5	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, M (Monica)				Opponent Mokwele, R (Ray)

#	Games	Start				End
1	3	Tournament Capricorn District Primary Schools League Finals 2024				Tournament Capricorn District Primary Schools League Finals 2024
		date 2024-05-25	rnd 2	type Rapid	result 1	date 2024-05-25	rnd 4	type Rapid	result 1
		Opponent Moloto, S (Sebala)				Opponent Lepheana, B (Bokamoso)

#	Games	Start				End
1	3	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 3	type Blitz	result 1	date 2022-12-05	rnd 5	type Blitz	result 1
		Opponent Labuschagne, E (Edrich)				Opponent Varghese, A (Alan)
2	1	Tournament 2022 South Africa Junior Blitz Chess Championships				Tournament 2022 South Africa Junior Blitz Chess Championships
		date 2022-12-05	rnd 7	type Blitz	result 1	date 2022-12-05	rnd 7	type Blitz	result 1
		Opponent Smith, E (Euan)				Opponent Smith, E (Euan)

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	Motsifane ,L (Lesedi)	4	4	425	4	4	425	0	0	0	0	0	0
1	Motsifane ,L (Lesedi)	4	1310.8	1735.8	4	1321.4	1735.8	0	0	0	0	0	0
2	Mamadi ,A (Alpha)	3	3	425	3	3	425	0	0	0	0	0	0
2	Mamadi ,A (Alpha)	3	1215.1	1640.1	3	1218.9	1640.1	0	0	0	0	0	0
3	Tebeila ,L (Leago)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Tebeila ,L (Leago)	3	1375.7	1517.3	3	1399	1517.3	0	0	0	0	0	0
4	Malebati ,B (Bentley)	2	2	425	2	2	425	0	0	0	0	0	0
4	Malebati ,B (Bentley)	2	1198.7	1623.7	2	1198.4	1623.7	0	0	0	0	0	0
5	Verreynne ,K (Kobus)	2	2	425	2	2	425	0	0	0	0	0	0
5	Verreynne ,K (Kobus)	2	1291.4	1716.4	2	1294.1	1716.4	0	0	0	0	0	0
6	Malema ,T (Thabile)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Malema ,T (Thabile)	2	1276.1	851.1	2	1272.2	851.1	0	0	0	0	0	0
7	Ras ,H (Henre)	2	2	425	2	2	425	0	0	0	0	0	0
7	Ras ,H (Henre)	2	1217.2	1642.2	2	1219.7	1642.2	0	0	0	0	0	0
8	Thobejane ,D (Dimpho)	2	2	425	2	2	425	0	0	0	0	0	0
8	Thobejane ,D (Dimpho)	2	1223.3	1648.3	2	1229.2	1648.3	0	0	0	0	0	0
9	Kgafane ,S (Shadi)	2	2	425	2	2	425	0	0	0	0	0	0
9	Kgafane ,S (Shadi)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
10	Moloto ,S (Sebala)	2	2	425	1	1	425	1	1	425	0	0	0
10	Moloto ,S (Sebala)	2	1301.8	1726.8	1	1193.6	1726.8	1	1258.3	1726.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Kotzee, J (Juvan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms