Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jantjies, Z (Zane)

Chess SA id

1100191286

FIDE id

Date of birth

2010-07-06 (U16)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1226.6

Item	Main	Standard	Rapid	Blitz
Rating	1209.5	1205.9	1226.3	1200
Raw rating	1209.5	1205.9	1226.3	1200
Weighted rating	1208.2	1199	1225.8	1200
Weighted performance	1124.7	1136.3	0	0
Floor	732.8	726.6	754	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.6	164.4	159.7	165.8
Highest rating	1259.4 2023-11-01	1226.6 2025-03-01	1331.6 2023-11-01	1200 2018-10-01
Highest raw rating	1232.8 2025-03-01	1226.6 2025-03-01	1254 2024-02-01	1200 2024-02-01
Highest weighted rating	1232.8 2024-08-01	1226.6 2018-10-01	1254 2024-08-01	1200 2018-10-01
Highest weighted performance	1259.4 2023-11-01	1200 2024-02-01	1331.6 2023-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1209.5	1205.9	1226.3	1200
Analysis
Rating	1209.5	1205.9	1226.3	1200
Raw rating	1209.5	1205.9	1226.3	1200
Weighted rating	1208.2	1199	1225.8
Weighted performance	1124.7	1136.3	0
K-factor	36	36	36	36
Floor	732.8	726.6	754	700
Max/Min rating change allowed	163.6	164.4	159.7	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	1209.5	1205.9	1226.3	1200
New weighted rating	1208.1	1199.7	1225.5	1200
New weighted performance	1124.3	1135.9	0	0
Temp new rating	1209.5	1205.9	1226.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1209.5	1205.9	1226.3	1200
New K-factor	36	36	36	36
New floor	732.8	726.6	754	700

Item	Main	Standard	Rapid
	0	0	0
	19	19	0
	10	5	5
	10	0	10
	0	0	0
	0	0	0
History	39	24	15

Games since
	Main 29	Standard 24		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
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	19	9.5	50	0	1234.3	1234.3
Standard	19	9.5	50	0	1234.3	1234.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	39	19	48.72	-10.9	1223.9	1213
Standard	24	11.5	47.92	-17.7	1227.2	1209.5
Rapid	15	7.5	50	0	1218.6	1218.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1209.5	1205.9	1226.3	1200
2025-09-01	1209.5	1205.9	1226.3	1200
2025-08-01	1209.5	1205.9	1226.3	1200
2025-07-01	1209.5	1205.9	1226.3	1200
2025-06-01	1209.5	1205.9	1226.3	1200
2025-05-01	1211.5	1206.5	1226.2	1200
2025-04-01	1226.5	1220.3	1226	1200
2025-03-01	1232.8	1226.6	1225.6	1200
2025-02-01	1203	1188.8	1223.8	1200
2025-01-01	1182.7	1179.5	1202.5	1200
2024-12-01	1182.7	1179.5	1202.5	1200
2024-11-01	1182.7	1179.5	1202.5	1200
2024-10-01	1182.7	1179.5	1202.5	1200
2024-09-01	1182.7	1179.5	1202.5	1200
2024-08-01	1209.1	1179.5	1254	1200
2024-07-01	1209.1	1179.5	1254	1200
2024-06-01	1230.9	1200	1254	1200
2024-08-01	1230.9	1200	1254	1200
2024-04-01	1230.9	1200	1254	1200
2024-03-01	1230.9	1200	1254	1200
2024-02-01	1230.9	1200	1254	1200
2024-01-01	1230.9	1200	1254	1200
2023-12-01	1230.9	1200	1254	1200
2023-11-01	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	SBDCA Closed 2025 (U16 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	5	2	Yes	Analysis
2	SBD Trials Graaff Reinet 12 April 2025 (U16)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
3	SBDCA Trials GRT 22 March 2025 (U16)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
4	SBDCU Graaff-Reinet Trials 2025 (U16)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	4	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCA Closed 2025 (U16 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	5	2	Yes	Analysis
2	SBD Trials Graaff Reinet 12 April 2025 (U16)	2025-04-12	2025-04-12	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
3	SBDCA Trials GRT 22 March 2025 (U16)	2025-03-22	2025-03-22	Standard	Sarah Baartman (ESB)	5	5	2.5	Yes	Analysis
4	SBDCU Graaff-Reinet Trials 2025 (U16)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	4	3	Yes	Analysis
5	Sarah Baartman District Schools Trials 2024 (U15 Boys)	2024-08-03	2024-08-03	Rapid	Sarah Baartman (ESB)	5	5	1	Yes	Analysis
6	SBDCU Trial 3 2024 (U16)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
7	SBDCU Schools Chess League Graaff-Reinet 2023 (A)	2023-03-09	2023-11-10	Rapid	Sarah Baartman (ESB)	10	10	6.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament SBDCU Schools Chess League Graaff-Reinet 2023				Tournament SBDCU Schools Chess League Graaff-Reinet 2023
		date 2023-04-20	rnd 4	type Rapid	result 1	date 2023-07-20	rnd 7	type Rapid	result 1
		Opponent Kimbouani, R (Rodley)				Opponent Swemar, M (Megan)
2	3	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 2	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Afrika, R (Ruwaan)				Opponent West, L (Lyle)
3	2	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-10	rnd 6	type Standard	result 1
		Opponent Cuyler, A (Andre)				Opponent West, L (Lyle)

#	Games	Start				End
1	3	Tournament SBDCA Trials GRT 22 March 2025				Tournament SBDCA Trials GRT 22 March 2025
		date 2025-03-22	rnd 2	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Afrika, R (Ruwaan)				Opponent West, L (Lyle)
2	2	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-10	rnd 6	type Standard	result 1
		Opponent Cuyler, A (Andre)				Opponent West, L (Lyle)
3	2	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Botman, B (Britney)				Opponent Mabija, N (Njabula)

#	Games	Start				End
1	4	Tournament SBDCU Schools Chess League Graaff-Reinet 2023				Tournament SBDCU Schools Chess League Graaff-Reinet 2023
		date 2023-04-20	rnd 4	type Rapid	result 1	date 2023-07-20	rnd 7	type Rapid	result 1
		Opponent Kimbouani, R (Rodley)				Opponent Swemar, M (Megan)
2	2	Tournament SBDCU Schools Chess League Graaff-Reinet 2023				Tournament SBDCU Schools Chess League Graaff-Reinet 2023
		date 2023-03-09	rnd 1	type Rapid	result 0.5	date 2023-03-16	rnd 2	type Rapid	result 1
		Opponent Retief, E (Elandri)				Opponent Jaftha, Z (Zjandre)
3	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 4	type Rapid	result 1	date 2024-08-03	rnd 4	type Rapid	result 1
		Opponent Booysen, D (Du-Wayne)				Opponent Booysen, D (Du-Wayne)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament SBDCU Schools Chess League Graaff-Reinet 2023				Tournament SBDCU Schools Chess League Graaff-Reinet 2023
		date 2023-04-20	rnd 4	type Rapid	result 1	date 2023-07-20	rnd 7	type Rapid	result 1
		Opponent Kimbouani, R (Rodley)				Opponent Swemar, M (Megan)
2	2	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-10	rnd 6	type Standard	result 1
		Opponent Cuyler, A (Andre)				Opponent West, L (Lyle)
3	2	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Botman, B (Britney)				Opponent Mabija, N (Njabula)

#	Games	Start				End
1	2	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 5	type Standard	result 1	date 2025-05-10	rnd 6	type Standard	result 1
		Opponent Cuyler, A (Andre)				Opponent West, L (Lyle)
2	2	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Botman, B (Britney)				Opponent Mabija, N (Njabula)
3	1	Tournament SBD Trials Graaff Reinet 12 April 2025				Tournament SBD Trials Graaff Reinet 12 April 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Cuyler, A (Andre)				Opponent Cuyler, A (Andre)

#	Games	Start				End
1	4	Tournament SBDCU Schools Chess League Graaff-Reinet 2023				Tournament SBDCU Schools Chess League Graaff-Reinet 2023
		date 2023-04-20	rnd 4	type Rapid	result 1	date 2023-07-20	rnd 7	type Rapid	result 1
		Opponent Kimbouani, R (Rodley)				Opponent Swemar, M (Megan)
2	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 4	type Rapid	result 1	date 2024-08-03	rnd 4	type Rapid	result 1
		Opponent Booysen, D (Du-Wayne)				Opponent Booysen, D (Du-Wayne)
3	1	Tournament SBDCU Schools Chess League Graaff-Reinet 2023				Tournament SBDCU Schools Chess League Graaff-Reinet 2023
		date 2023-11-10	rnd 10	type Rapid	result 1	date 2023-11-10	rnd 10	type Rapid	result 1
		Opponent Swemmer, X (Xolelwa)				Opponent Swemmer, X (Xolelwa)

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	Bamigboye ,O (Omayomade)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Bamigboye ,O (Omayomade)	3	1252.9	827.9	3	1262.3	827.9	0	0	0	0	0	0
2	West ,L (Lyle)	2	2	425	2	2	425	0	0	0	0	0	0
2	West ,L (Lyle)	2	1196.3	1621.3	2	1194.7	1621.3	0	0	0	0	0	0
3	Cuyler ,A (Andre)	2	2	425	2	2	425	0	0	0	0	0	0
3	Cuyler ,A (Andre)	2	1198.6	1623.6	2	1218.9	1623.6	0	0	0	0	0	0
4	Hendricks ,Z (Zeno)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Hendricks ,Z (Zeno)	2	1236.1	811.1	2	1265.7	811.1	0	0	0	0	0	0
5	Anthony ,K (Kaylin)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Anthony ,K (Kaylin)	2	1236.2	1023.7	2	1241.9	1023.7	0	0	0	0	0	0
6	Swemmer ,X (Xolelwa)	2	2	425	0	0	0	2	2	425	0	0	0
6	Swemmer ,X (Xolelwa)	2	1200	1625	0	0	0	2	1200	1625	0	0	0
7	Kimbouani ,R (Rodley)	2	1	0	0	0	0	2	1	0	0	0	0
7	Kimbouani ,R (Rodley)	2	1200	1200	0	0	0	2	1200	1200	0	0	0
8	Van Veijeren ,P (Pieter Johannes)	2	0	-425	0	0	0	2	0	-425	0	0	0
8	Van Veijeren ,P (Pieter Johannes)	2	1170.3	745.3	0	0	0	2	1200	745.3	0	0	0
9	Afrika ,R (Ruwaan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Afrika ,R (Ruwaan)	1	1164.8	1589.8	1	1156	1589.8	0	0	0	0	0	0
10	Botman ,B (Britney)	1	1	425	1	1	425	0	0	0	0	0	0
10	Botman ,B (Britney)	1	1200	1625	1	1200	1625	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

Jantjies, Z (Zane)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms