Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, J (Jontie)

Chess SA id

1080107846

FIDE id

Date of birth

2008-12-13 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1307.1

Item	Main	Standard	Rapid	Blitz
Rating	1276.8	1282.3	1200	1200
Raw rating	1276.8	1282.3	1200	1200
Weighted rating	1250.8	1255.3	1200	1200
Weighted performance	1193.6	1194	0	0
Floor	783.4	794.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	148.6	147.5	165.8	165.8
Highest rating	1283.4 2025-04-01	1294.8 2025-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1283.4 2025-04-01	1294.8 2025-04-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1243.1 2025-08-01	1247.1 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1276.8	1282.3	1200	1200
Analysis
Rating	1276.8	1282.3	1200	1200
Raw rating	1276.8	1282.3	1200	1200
Weighted rating	1250.8	1255.3	1200
Weighted performance	1193.6	1194	0
K-factor	36	36	36	36
Floor	783.4	794.8	700	700
Max/Min rating change allowed	148.6	147.5	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	1276.8	1282.3	1200	1200
New weighted rating	1254.2	1258.9	1200	1200
New weighted performance	1193.1	1193.5	0	0
Temp new rating	1276.8	1282.3	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1276.8	1282.3	1200	1200
New K-factor	36	36	36	36
New floor	783.4	794.8	700	700

Item	Main	Standard
	0	0
	19	19
	15	15
	0	0
	8	8
	0	0
History	71	71

Games since
	Main 34	Standard 34		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3239		922		317
Male	2529		654		219
U18	528		136		39
U18 Male	437		102		29
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	19	10.5	55.26	44.7	1286.2	1330.9
Standard	19	10.5	55.26	44.7	1286.2	1330.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	71	38	53.52	29.9	1199.6	1229.6
Standard	71	38	53.52	29.9	1199.6	1229.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1276.8	1282.3	1200	1200
2025-09-01	1276.8	1282.3	1200	1200
2025-08-01	1276.8	1282.3	1200	1200
2025-07-01	1276.8	1282.3	1200	1200
2025-06-01	1276.8	1282.3	1200	1200
2025-05-01	1276.8	1282.3	1200	1200
2025-04-01	1283.4	1294.8	1200	1200
2025-03-01	1246.2	1251.7	1200	1200
2025-02-01	1225.4	1228.2	1200	1200
2025-01-01	1225.4	1228.2	1200	1200
2024-12-01	1225.4	1228.2	1200	1200
2024-11-01	1225.4	1228.2	1200	1200
2024-10-01	1225.4	1228.2	1200	1200
2024-09-01	1225.4	1228.2	1200	1200
2024-08-01	1225.4	1228.2	1200	1200
2024-07-01	1225.4	1228.2	1200	1200
2024-06-01	1225.4	1228.2	1200	1200
2024-08-01	1225.4	1228.2	1200	1200
2024-04-01	1225.4	1228.2	1200	1200
2024-03-01	1232.3	1237.6	1200	1200
2024-02-01	1181.2	1178	1200	1200
2024-01-01	1181.2	1178	1200	1200
2023-12-01	1181.2	1178	1200	1200
2023-11-01	1181.2	1178	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	Eden Chess Trials 2 2025 (U18)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	5	2	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
3	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Chess Trials 2 2025 (U18)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	5	2	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U17 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
3	Oudussa Trials 2025 (U17)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
4	Oudussa Trials 2 2025 (U17 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	3	Yes	Analysis
5	Eden Chess Trials 2 2024 (U18)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	0	0	No	Analysis
6	Eden School Chess Trials 1 2024 (U18 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis
7	OUDUSSA Trials 2 2024 (U18 Boys+Girls)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	3	Yes	Analysis
8	OUDUSSA Trials 1 2024 (U18 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	3	Yes	Analysis
9	Eden Proewe 2 2022 (O15 Seuns)	2022-04-09	2022-04-09	Standard	Eden (WEG)	5	4	2	Yes	Analysis
10	Eden Proewe 1 2022 (O15 Seuns)	2022-03-12	2022-03-12	Standard	Eden (WEG)	5	4	2	Yes	Analysis
11	Eden Schools Closed Trials 1 2020 (U13 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	2	Yes	Analysis
12	Oudtshoorn Proewe 1 2020 (O13)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	5	3	Yes	Analysis
13	Eden Trials 3 2019 (U12 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	4	2	Yes	Analysis
14	Eden Trials 2 2019 (U12 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	3	Yes	Analysis
15	Eden Trials 1 2019 (U12 Open)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	0	0	No	Analysis
16	Oudtshoorn Trials 3 2019 (U12)	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
17	Oudtshoorn Trials 2 2019 (U12)	2019-02-09	2019-02-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis
18	Oudtshoorn Trials 1 2019 (U12)	2019-01-19	2019-01-19	Standard	Eden (WEG)	5	0	0	No	Analysis

#	Games	Start				End
1	4	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Von Berg, J (Julian)				Opponent Jacobs, J (Jaithan)
2	4	Tournament OUDUSSA Trials 1 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-17	rnd 1	type Standard	result 1
		Opponent Du Plessis, A (Anthonio)				Opponent May, J (Joze)
3	3	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Booysen, M (Maiden)				Opponent Freeks, L (Llewellyn)

#	Games	Start				End
1	4	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Von Berg, J (Julian)				Opponent Jacobs, J (Jaithan)
2	4	Tournament OUDUSSA Trials 1 2024				Tournament OUDUSSA Trials 2 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-17	rnd 1	type Standard	result 1
		Opponent Du Plessis, A (Anthonio)				Opponent May, J (Joze)
3	3	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Booysen, M (Maiden)				Opponent Freeks, L (Llewellyn)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Von Berg, J (Julian)				Opponent Jacobs, J (Jaithan)
2	3	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Booysen, M (Maiden)				Opponent Freeks, L (Llewellyn)
3	2	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 4	type Standard	result 1
		Opponent Thompson, A (Adriaan)				Opponent Mpofu, L (Lutho)

#	Games	Start				End
1	4	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Von Berg, J (Julian)				Opponent Jacobs, J (Jaithan)
2	3	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 3	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Booysen, M (Maiden)				Opponent Freeks, L (Llewellyn)
3	2	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 4	type Standard	result 1
		Opponent Thompson, A (Adriaan)				Opponent Mpofu, L (Lutho)

No games found.

#	Games	Start				End

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	May ,M (Mehago)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	May ,M (Mehago)	3	1222.5	797.5	3	1232.1	797.5	0	0	0	0	0	0
2	Saku ,L (Lisolethu)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Saku ,L (Lisolethu)	2	1404.4	979.4	2	1406.9	979.4	0	0	0	0	0	0
3	Gelant ,D (Damean)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Gelant ,D (Damean)	2	1216.2	1003.7	2	1216.2	1003.7	0	0	0	0	0	0
4	May ,J (Joze)	2	2	425	2	2	425	0	0	0	0	0	0
4	May ,J (Joze)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
5	Marx ,M (Marnu)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Marx ,M (Marnu)	2	1345.6	920.6	2	1346.7	920.6	0	0	0	0	0	0
6	Von Berg ,J (Julian)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Von Berg ,J (Julian)	2	1056.9	1269.4	2	1035.6	1269.4	0	0	0	0	0	0
7	Lingerveldt ,S (Sunelda)	2	2	425	2	2	425	0	0	0	0	0	0
7	Lingerveldt ,S (Sunelda)	2	1186.7	1611.7	2	1176.8	1611.7	0	0	0	0	0	0
8	Jafta ,L (Levi)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Jafta ,L (Levi)	1	1475.6	1050.6	1	1460.4	1050.6	0	0	0	0	0	0
9	Van Rensburg ,A (Anke)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Van Rensburg ,A (Anke)	1	1055.6	1055.6	1	1064.7	1055.6	0	0	0	0	0	0
10	Thompson ,A (Adriaan)	1	1	425	1	1	425	0	0	0	0	0	0
10	Thompson ,A (Adriaan)	1	1156.2	1581.2	1	1144.8	1581.2	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

Botha, J (Jontie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms