Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, J (Jason)

Chess SA id

1130315046

FIDE id

Date of birth

2013-06-10 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1201.8	1186.6	1245.3	1200
Raw rating	1201.8	1164.9	1245.3	1200
Weighted rating	1191.9	1186.6	1214	1200
Weighted performance	1178.3	0	0	0
Floor	701.8	699.9	745.3	700
K-factor	36	40	36	36
Min/Max rating change allowed	165.4	174.3	155.5	165.8
Highest rating	1201.8 2026-01-01	1199.9 2025-02-13	1245.3 2026-01-01	1200 2025-03-01
Highest raw rating	1201.8 2026-01-01	1199.9 2025-02-13	1245.3 2026-01-01	1200 2025-03-01
Highest weighted rating	1199.9 2025-02-13	1199.9 2025-02-13	1214 2026-01-01	1200 2025-03-01
Highest weighted performance	1178.3 2026-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-2.2	0	0
New rating	1201.8	1184.4	1245.3	1200
Analysis
Rating	1201.8	1186.6	1245.3	1200
Raw rating	1201.8	1164.9	1245.3	1200
Weighted rating	1191.9	1186.6	1214
Weighted performance	1178.3	0	0
K-factor	36	40	36	36
Floor	701.8	699.9	745.3	700
Max/Min rating change allowed	165.4	174.3	155.5	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	1201.8	1164.9	1245.3	1200
New weighted rating	1192.4	1184.4	1216.9	1200
New weighted performance	1170.5	0	0	0
Temp new rating	1201.8	1184.4	1245.3	1200
Temp new rating +/-	0	-2.2	0	0
Final new rating +/-	0	-2.2	0	0
New rating	1201.8	1184.4	1245.3	1200
New K-factor	36	40	36	36
New floor	701.8	699.9	745.3	700

Item	Main	Standard	Rapid
	0	0	0
	22	16	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	22	16	6

Games since
	Main 22	Standard 16		Rapid 6		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
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	22	8	36.36	-115.9	1260.5	1144.6
Standard	16	5	31.25	-159.4	1259.1	1099.7
Rapid	6	3	50	0	1264.4	1264.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	8	36.36	-115.9	1260.5	1144.6
Standard	16	5	31.25	-159.4	1259.1	1099.7
Rapid	6	3	50	0	1264.4	1264.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1201.8	1164.9	1245.3	1200
2025-11-30	1173.7	1164.9	1216.9	1200
2025-11-01	1173.7	1164.9	1216.9	1200
2025-09-30	1169.4	1162.9	1216.9	1200
2025-09-01	1169.4	1162.9	1216.9	1200
2025-08-01	1199.8	1199.7	1216.9	1200
2025-07-01	1199.8	1199.7	1216.9	1200
2025-06-01	1199.8	1199.7	1216.9	1200
2025-05-01	1199.8	1199.6	1216.9	1200
2025-04-01	1199.7	1199.4	1216.9	1200
2025-03-01	1198.2	1196.4	1216.9	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200

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	Six Gun Grill Summer Sport Festival Chess Championships 2025 (Individual U13 Boys)	2025-12-09	2025-12-09	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Six Gun Grill Summer Sport Festival Chess Championships 2025 (Team U13)	2025-12-08	2025-12-08	Rapid	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
3	Paarl Boys' High School Chess Festival 2025 (Primary Schools)	2025-10-17	2025-10-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
4	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis
5	Laerskool Welgemoed Rapid 2025 (U14)	2025-02-15	2025-02-15	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
6	CT Metro North Schools Chess Individual Trials 2025 (U13 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 6	type Rapid	result 1
		Opponent Hendricks, G (Giovandre)				Opponent Jaftha, L (Liam)
2	1	Tournament Paarl Boys' High School Chess Festival 2025				Tournament Paarl Boys' High School Chess Festival 2025
		date 2025-10-18	rnd 6	type Standard	result 1	date 2025-10-18	rnd 6	type Standard	result 1
		Opponent Weng, I (Ivan)				Opponent Weng, I (Ivan)
3	1	Tournament Paarl Boys' High School Chess Festival 2025				Tournament Paarl Boys' High School Chess Festival 2025
		date 2025-10-17	rnd 1	type Standard	result 1	date 2025-10-17	rnd 1	type Standard	result 1
		Opponent Visser, I (Izak)				Opponent Visser, I (Izak)

#	Games	Start				End
1	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Jansen, T (Tirstan)				Opponent Jansen, T (Tirstan)
2	1	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2025-02-09	rnd 6	type Standard	result 1	date 2025-02-09	rnd 6	type Standard	result 1
		Opponent Seyisi, L (Luphindo)				Opponent Seyisi, L (Luphindo)
3	1	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Ndou, M (Moses)				Opponent Ndou, M (Moses)

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 6	type Rapid	result 1
		Opponent Hendricks, G (Giovandre)				Opponent Jaftha, L (Liam)
2	1	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Macnab, C (Carter)				Opponent Macnab, C (Carter)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 6	type Rapid	result 1
		Opponent Hendricks, G (Giovandre)				Opponent Jaftha, L (Liam)
2	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Jansen, T (Tirstan)				Opponent Jansen, T (Tirstan)
3	1	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Macnab, C (Carter)				Opponent Macnab, C (Carter)

#	Games	Start				End
1	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Jansen, T (Tirstan)				Opponent Jansen, T (Tirstan)
2	1	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2025-02-09	rnd 6	type Standard	result 1	date 2025-02-09	rnd 6	type Standard	result 1
		Opponent Seyisi, L (Luphindo)				Opponent Seyisi, L (Luphindo)
3	1	Tournament CT Metro North Schools Chess Individual Trials 2025				Tournament CT Metro North Schools Chess Individual Trials 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Ndou, M (Moses)				Opponent Ndou, M (Moses)

#	Games	Start				End
1	2	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 5	type Rapid	result 1	date 2025-02-15	rnd 6	type Rapid	result 1
		Opponent Hendricks, G (Giovandre)				Opponent Jaftha, L (Liam)
2	1	Tournament Laerskool Welgemoed Rapid 2025				Tournament Laerskool Welgemoed Rapid 2025
		date 2025-02-15	rnd 2	type Rapid	result 1	date 2025-02-15	rnd 2	type Rapid	result 1
		Opponent Macnab, C (Carter)				Opponent Macnab, C (Carter)

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	Silver ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Silver ,K (Kyle)	1	1192.2	767.2	1	1180.2	767.2	0	0	0	0	0	0
2	Weng ,I (Ivan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Weng ,I (Ivan)	1	1279	1704	1	1215.8	1704	0	0	0	0	0	0
3	Kriel ,I (Izak)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Kriel ,I (Izak)	1	1183.7	758.7	1	1160.3	758.7	0	0	0	0	0	0
4	Faria ,A (Adam)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Faria ,A (Adam)	1	1248.2	823.2	1	1221.3	823.2	0	0	0	0	0	0
5	Ndou ,M (Moses)	1	1	425	1	1	425	0	0	0	0	0	0
5	Ndou ,M (Moses)	1	1197.4	1622.4	1	1200	1622.4	0	0	0	0	0	0
6	Visser ,I (Izak)	1	1	425	1	1	425	0	0	0	0	0	0
6	Visser ,I (Izak)	1	1203.7	1628.7	1	1191.8	1628.7	0	0	0	0	0	0
7	Muizenheimer ,S (Sebastian)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Muizenheimer ,S (Sebastian)	1	1279.1	854.1	1	1288	854.1	0	0	0	0	0	0
8	He ,Z (Zonghan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	He ,Z (Zonghan)	1	1276.2	851.2	1	1239.6	851.2	0	0	0	0	0	0
9	Losper ,Z (Zack)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Losper ,Z (Zack)	1	1198.8	773.8	1	1200	773.8	0	0	0	0	0	0
10	van der Merwe ,S (Stefan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	van der Merwe ,S (Stefan)	1	1248.5	823.5	1	1218.4	823.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Botha, J (Jason)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms