Chess South Africa Ratings Database

PLAYER PAGE

Personal

Stemmet, J (Jaun)

Chess SA id

106082825

FIDE id

Date of birth

2006-09-05 (U20)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1420.6	1417.5	1026.4	1219
Raw rating	1420.6	1417.5	1026.4	1219
Weighted rating	1420.6	1417.5	1025.6	1214
Weighted performance	1004.9	1004.4	0	0
Floor	938.1	931.2	526.4	719
K-factor	32	32	40	36
Min/Max rating change allowed	121.1	121.6	212.3	161.4
Highest rating	1449.7 2022-10-01	1446 2022-10-01	1246 2022-02-01	1219 2024-02-01
Highest raw rating	1438.1 2022-11-01	1431.2 2022-11-01	1026.4 2024-02-01	1219 2024-02-01
Highest weighted rating	1438.1 2024-07-01	1431.2 2024-09-01	1026.4 2024-11-01	1219 2024-11-01
Highest weighted performance	1449.7 2022-10-01	1446 2022-10-01	1246 2022-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1420.6	1417.5	1026.4	1219
Analysis
Rating	1420.6	1417.5	1026.4	1219
Raw rating	1420.6	1417.5	1026.4	1219
Weighted rating	1420.6	1417.5	1025.6
Weighted performance	1004.9	1004.4	0
K-factor	32	32	40	36
Floor	938.1	931.2	526.4	719
Max/Min rating change allowed	121.1	121.6	212.3	161.4
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	1420.6	1417.5	1026.4	1219
New weighted rating	1420.6	1417.5	1026.1	1217.3
New weighted performance	1003.5	1003	0	0
Temp new rating	1420.6	1417.5	1026.4	1219
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1420.6	1417.5	1026.4	1219
New K-factor	32	32	40	36
New floor	938.1	931.2	526.4	719

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	28	28	0
	33	28	5
	0	0	0
History	182	149	33

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	124	80	64.52	123.4	1209.9	1333.2
Standard	114	73.5	64.47	123	1215.2	1338.2
Rapid	10	6.5	65	127.5	1149.4	1276.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1420.6	1417.5	1026.4	1219
2025-09-01	1420.6	1417.5	1026.4	1219
2025-08-01	1420.6	1417.5	1026.4	1219
2025-07-01	1420.6	1417.5	1026.4	1219
2025-06-01	1420.6	1417.5	1026.4	1219
2025-05-01	1420.6	1417.5	1026.4	1219
2025-04-01	1420.6	1417.5	1026.4	1219
2025-03-01	1420.6	1417.5	1026.4	1219
2025-02-01	1420.6	1417.5	1026.4	1219
2025-01-01	1420.6	1417.5	1026.4	1219
2024-12-01	1420.6	1417.5	1026.4	1219
2024-11-01	1420.6	1417.5	1026.4	1219
2024-10-01	1420.6	1417.5	1026.4	1219
2024-09-01	1420.6	1417.5	1026.4	1219
2024-08-01	1420.6	1417.5	1026.4	1219
2024-07-01	1420.6	1417.5	1026.4	1219
2024-06-01	1420.6	1417.5	1026.4	1219
2024-08-01	1420.6	1417.5	1026.4	1219
2024-04-01	1420.6	1417.5	1026.4	1219
2024-03-01	1420.6	1417.5	1026.4	1219
2024-02-01	1420.6	1417.5	1026.4	1219
2024-01-01	1420.6	1417.5	1026.4	1219
2023-12-01	1420.6	1417.5	946.2	720.6
2023-11-01	1420.6	1417.5	946.2	720.6

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	NMBCU Closed 2023 (U18)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
2	NMBCU Trial 4 2023 (U18)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
3	EP Trials 3 2023 (U18)	2023-05-05	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
4	NMB 2nd Trials 2023 (U18)	2023-03-24	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
5	NMB 1st Trials 2023 (U18)	2023-02-17	2023-02-18	Standard	Nelson Mandela Bay (ENM)	6	5	3	Yes	Analysis
6	Eatern Cape Provincial Chess Championship 2022 (U18 Boys)	2022-10-01	2022-10-01	Standard	Sarah Baartman (ESB)	7	7	6.5	Yes	Analysis
7	2022 NMBCU Closed 2022 (U18)	2022-08-19	2022-08-20	Standard	Nelson Mandela Bay (ENM)	5	4	2.5	Yes	Analysis
8	2022 NMBCU Trial 4 (U18)	2022-08-12	2022-08-13	Standard	Nelson Mandela Bay (ENM)	6	5	2.5	Yes	Analysis
9	NMBCU Trial 3 2022 (U18)	2022-07-22	2022-07-23	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
10	2022 NMB Junior Trials 2 (U16)	2022-05-13	2022-05-14	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
11	Pearson Chess Festival 2022 (Junior)	2022-02-25	2022-02-26	Rapid	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
12	2020 NMBCU Chess Trials 2 2020 (U16)	2020-03-07	2020-03-07	Standard	Nelson Mandela Bay (ENM)	5	4	3	Yes	Analysis
13	2020 Boardwalk Pearson Open Chess Festival (Open)	2020-03-14	2020-03-15	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
14	Brandwag Open 2020 (C)	2020-02-01	2020-02-01	Rapid	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
15	2020 NMBCU Chess Trial 1 (U16)	2020-02-08	2020-02-09	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
16	2019 South African Junior Team Championships (U14A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis
17	NMBYCC Closed 2019 (U14)	2019-07-26	2019-07-27	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
18	Nelson Mandela Bay Junior Trials 4 2019 (U14)	2019-07-12	2019-07-13	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
19	NMBJCU Trials 3 2019 (U14)	2019-05-10	2019-05-11	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
20	Nelson Mandela Bay Junior Chess Trials 2 2019 (U14)	2019-04-05	2019-04-06	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
21	NMBCU Trials 1 2019 (U14)	2019-03-08	2019-03-09	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
22	Despatch Open 2018 (A)	2018-02-16	2018-02-17	Standard	Nelson Mandela Bay (ENM)	5	0	0	No	Analysis
23	South African Junior Team Championships 2017 (U12B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5.5	Yes	Analysis

#	Games	Start				End
1	14	Tournament Pearson Chess Festival 2022				Tournament NMBCU Trial 3 2022
		date 2022-02-26	rnd 3	type Rapid	result 1	date 2022-07-23	rnd 5	type Standard	result 1
		Opponent Adam, M (Milani)				Opponent Holroyd, K (Kea)
2	9	Tournament 2022 NMBCU Closed 2022				Tournament NMB 1st Trials 2023
		date 2022-08-20	rnd 4	type Standard	result 1	date 2023-02-17	rnd 1	type Standard	result 1
		Opponent Reddy, E (Evania)				Opponent Mkontwana, A (Ayachuma)
3	7	Tournament NMB 1st Trials 2023				Tournament NMB 2nd Trials 2023
		date 2023-02-18	rnd 4	type Standard	result 0.5	date 2023-03-25	rnd 4	type Standard	result 1
		Opponent Mokoaleli, J (Jordan)				Opponent Mellet, A (Andries)

#	Games	Start				End
1	14	Tournament 2020 Boardwalk Pearson Open Chess Festival				Tournament NMBCU Trial 3 2022
		date 2020-03-14	rnd 3	type Standard	result 0.5	date 2022-07-23	rnd 5	type Standard	result 1
		Opponent Ragaval, T (Thearsony)				Opponent Holroyd, K (Kea)
2	9	Tournament 2022 NMBCU Closed 2022				Tournament NMB 1st Trials 2023
		date 2022-08-20	rnd 4	type Standard	result 1	date 2023-02-17	rnd 1	type Standard	result 1
		Opponent Reddy, E (Evania)				Opponent Mkontwana, A (Ayachuma)
3	7	Tournament NMB 1st Trials 2023				Tournament NMB 2nd Trials 2023
		date 2023-02-18	rnd 4	type Standard	result 0.5	date 2023-03-25	rnd 4	type Standard	result 1
		Opponent Mokoaleli, J (Jordan)				Opponent Mellet, A (Andries)

#	Games	Start				End
1	3	Tournament Pearson Chess Festival 2022				Tournament Pearson Chess Festival 2022
		date 2022-02-26	rnd 3	type Rapid	result 1	date 2022-02-26	rnd 5	type Rapid	result 1
		Opponent Adam, M (Milani)				Opponent Jaffray, J (Jason)
2	2	Tournament Brandwag Open 2020				Tournament Pearson Chess Festival 2022
		date 2020-02-01	rnd 5	type Rapid	result 1	date 2022-02-25	rnd 1	type Rapid	result 1
		Opponent De Lange, A (Alain)				Opponent Grootboom, K (Kutlesno)
3	2	Tournament Brandwag Open 2020				Tournament Brandwag Open 2020
		date 2020-02-01	rnd 1	type Rapid	result 1	date 2020-02-01	rnd 2	type Rapid	result 0.5
		Opponent Fourie, T (Tiaart)				Opponent Blignaut, J (Jordan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament NMBJCU Trials 3 2019
		date 2019-04-06	rnd 3	type Standard	result 1	date 2019-05-10	rnd 1	type Standard	result 1
		Opponent Hartwig, L (Liam)				Opponent Hickman, K (Kayla)
2	5	Tournament South African Junior Team Championships 2017				Tournament NMBCU Trials 1 2019
		date 2018-01-05	rnd 4	type Standard	result 1	date 2019-03-08	rnd 1	type Standard	result 1
		Opponent Scheepers, L (Louis)				Opponent Kruger, Q (Quintin)
3	4	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 5	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Manto, M (Martha)				Opponent Yoyo, A (Alulutho)

#	Games	Start				End
1	5	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament NMBJCU Trials 3 2019
		date 2019-04-06	rnd 3	type Standard	result 1	date 2019-05-10	rnd 1	type Standard	result 1
		Opponent Hartwig, L (Liam)				Opponent Hickman, K (Kayla)
2	5	Tournament South African Junior Team Championships 2017				Tournament NMBCU Trials 1 2019
		date 2018-01-05	rnd 4	type Standard	result 1	date 2019-03-08	rnd 1	type Standard	result 1
		Opponent Scheepers, L (Louis)				Opponent Kruger, Q (Quintin)
3	4	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 5	type Standard	result 1	date 2023-07-29	rnd 2	type Standard	result 1
		Opponent Manto, M (Martha)				Opponent Yoyo, A (Alulutho)

#	Games	Start				End
1	3	Tournament Pearson Chess Festival 2022				Tournament Pearson Chess Festival 2022
		date 2022-02-26	rnd 3	type Rapid	result 1	date 2022-02-26	rnd 5	type Rapid	result 1
		Opponent Adam, M (Milani)				Opponent Jaffray, J (Jason)
2	2	Tournament Brandwag Open 2020				Tournament Pearson Chess Festival 2022
		date 2020-02-01	rnd 5	type Rapid	result 1	date 2022-02-25	rnd 1	type Rapid	result 1
		Opponent De Lange, A (Alain)				Opponent Grootboom, K (Kutlesno)
3	1	Tournament Brandwag Open 2020				Tournament Brandwag Open 2020
		date 2020-02-01	rnd 1	type Rapid	result 1	date 2020-02-01	rnd 1	type Rapid	result 1
		Opponent Fourie, T (Tiaart)				Opponent Fourie, T (Tiaart)

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	Du Preez ,D (Dillon)	7	3.5	0	7	3.5	0	0	0	0	0	0	0
1	Du Preez ,D (Dillon)	7	1215.4	1215.4	7	1195.6	1215.4	0	0	0	0	0	0
2	Peter ,NM (Neathan Mninawa)	6	0.5	-354.2	6	0.5	-354.2	0	0	0	0	0	0
2	Peter ,NM (Neathan Mninawa)	6	1526.8	1172.6	6	1526.9	1172.6	0	0	0	0	0	0
3	Manto ,M (Martha)	5	3.5	170	5	3.5	170	0	0	0	0	0	0
3	Manto ,M (Martha)	5	1343.1	1513.1	5	1338.9	1513.1	0	0	0	0	0	0
4	Adam ,M (Milani)	5	5	425	4	4	425	1	1	425	0	0	0
4	Adam ,M (Milani)	5	1106.7	1531.7	4	1102.5	1531.7	1	1200	1531.7	0	0	0
5	Holroyd ,K (Kea)	4	1.5	-106.2	4	1.5	-106.2	0	0	0	0	0	0
5	Holroyd ,K (Kea)	4	1323	1216.8	4	1321.3	1216.8	0	0	0	0	0	0
6	Reddy ,E (Evania)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
6	Reddy ,E (Evania)	4	1054.4	1266.9	4	1059.2	1266.9	0	0	0	0	0	0
7	Mokoaleli ,J (Jordan)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
7	Mokoaleli ,J (Jordan)	4	1298.4	1085.9	4	1312.2	1085.9	0	0	0	0	0	0
8	Yoyo ,A (Alulutho)	3	3	425	3	3	425	0	0	0	0	0	0
8	Yoyo ,A (Alulutho)	3	1346	1771	3	1347.6	1771	0	0	0	0	0	0
9	Bruintjies ,HC (Hailey Carla)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
9	Bruintjies ,HC (Hailey Carla)	3	1354	1495.7	3	1342	1495.7	0	0	0	0	0	0
10	Mellet ,A (Andries)	2	2	425	2	2	425	0	0	0	0	0	0
10	Mellet ,A (Andries)	2	1242.8	1667.8	2	1241.1	1667.8	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

Stemmet, J (Jaun)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms