Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jantjies, A (Armando)

Chess SA id

1160316434

FIDE id

Date of birth

2016-11-28 (U10)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

47.5

Junior GPX Points

1357

Item	Main	Standard	Rapid	Blitz
Rating	1427.6	1419.7	1272	1200
Raw rating	1414.1	1419.7	1272	1200
Weighted rating	1273.9	1280.9	1205.8	1200
Weighted performance	1427.6	1404.9	0	0
Floor	914.1	919.7	772	700
K-factor	32	32	36	36
Min/Max rating change allowed	122.2	121.3	149.6	165.8
Highest rating	1427.6 2025-09-30	1419.7 2025-09-01	1272 2025-09-30	1200 2025-03-01
Highest raw rating	1414.1 2025-09-30	1419.7 2025-09-01	1272 2025-09-30	1200 2025-03-01
Highest weighted rating	1273.9 2025-09-30	1266.5 2025-09-01	1205.8 2025-09-30	1200 2025-03-01
Highest weighted performance	1427.6 2025-09-30	1419.3 2025-09-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	0	0	0
New rating	1427.1	1419.7	1272	1200
Analysis
Rating	1427.6	1419.7	1272	1200
Raw rating	1414.1	1419.7	1272	1200
Weighted rating	1273.9	1280.9	1205.8
Weighted performance	1427.6	1404.9	0
K-factor	32	32	36	36
Floor	914.1	919.7	772	700
Max/Min rating change allowed	122.2	121.3	149.6	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	1414.1	1419.7	1272	1200
New weighted rating	1287.5	1294.6	1211.3	1200
New weighted performance	1427.1	1404.4	0	0
Temp new rating	1427.1	1419.7	1272	1200
Temp new rating +/-	-0.5	0	0	0
Final new rating +/-	-0.5	0	0	0
New rating	1427.1	1419.7	1272	1200
New K-factor	32	32	36	36
New floor	914.1	919.7	772	700

Item	Main	Standard	Rapid
	0	0	0
	51	45	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	51	45	6

Games since
	Main 51	Standard 45		Rapid 6		Blitz 0
Gender	Male
Age group	U10
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	1894		571		146
Male	1585		460		120
U10	118		32		13
U10 Male	106		26		9
Standard
	RSA		Province		Region
Overall	1848		504		144
Male	1526		395		114
U10	118		31		14
U10 Male	106		25		10
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	51	34.5	67.65	150	1270.7	1420.7
Standard	45	29.5	65.56	132.2	1271.2	1403.4
Rapid	6	5	83.33	283.3	1267.3	1550.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	51	34.5	67.65	150	1270.7	1420.7
Standard	45	29.5	65.56	132.2	1271.2	1403.4
Rapid	6	5	83.33	283.3	1267.3	1550.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1414.1	1419.7	1272	1200
2025-09-01	1395.4	1419.7	1200	1200
2025-08-01	1290.1	1294.2	1200	1200
2025-07-01	1290.1	1294.2	1200	1200
2025-06-01	1290.1	1294.2	1200	1200
2025-05-01	1364.8	1390.2	1200	1200
2025-04-01	1292.9	1306.3	1200	1200
2025-03-01	1321.3	1346.9	1200	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
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	Tsogo Sun Moves For Life Learners Tournament 2025 (U9)	2025-08-30	2025-08-30	Rapid	Eden (WEG)	6	6	5	Yes	Analysis
2	Eden Top Schools 2025 (U9)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	4	3	Yes	Analysis
3	Mossel Bay Top Schools 2025 (U9 Open)	2025-08-02	2025-08-02	Standard	Eden (WEG)	6	6	6	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	1.5	Yes	Analysis
5	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6.5	Yes	Analysis
6	Eden Schools Chess Trials 1 2025 (U19 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	4	0	Yes	Analysis
7	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
8	Mossel Bay Schools Trials 2 2025 (U9 Boys)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis
9	Mossel Bay Regional Schools Chess Tournament 2025 (U9 Boys)	2025-02-08	2025-02-08	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Tsogo Sun Moves For Life Learners Tournament 2025 (U9)	2025-08-30	2025-08-30	Rapid	Eden (WEG)	6	6	5	Yes	Analysis
2	Eden Top Schools 2025 (U9)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	4	3	Yes	Analysis
3	Mossel Bay Top Schools 2025 (U9 Open)	2025-08-02	2025-08-02	Standard	Eden (WEG)	6	6	6	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U9 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	1.5	Yes	Analysis
5	Eden Chess Trials 2 2025 (U10)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	6.5	Yes	Analysis
6	Eden Schools Chess Trials 1 2025 (U19 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	4	0	Yes	Analysis
7	Eden Schools Chess Trials 1 2025 (U9 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
8	Mossel Bay Schools Trials 2 2025 (U9 Boys)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis
9	Mossel Bay Regional Schools Chess Tournament 2025 (U9 Boys)	2025-02-08	2025-02-08	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis

#	Games	Start				End
1	11	Tournament Mossel Bay Regional Schools Chess Tournament 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Valentyn, Z (Zielke)				Opponent Rens, D (Deauwin)
2	8	Tournament Mossel Bay Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Butler, J (Jamahl D)				Opponent Mokele, L (Leah)
3	4	Tournament Eden Top Schools 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-30	rnd 3	type Rapid	result 1
		Opponent Booysen, R (Ruchon)				Opponent Booysen, R (Ruchon)

#	Games	Start				End
1	11	Tournament Mossel Bay Regional Schools Chess Tournament 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Valentyn, Z (Zielke)				Opponent Rens, D (Deauwin)
2	8	Tournament Mossel Bay Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Butler, J (Jamahl D)				Opponent Mokele, L (Leah)
3	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Barnard, L (Leane)				Opponent Flores, Z (Zhoe)

#	Games	Start				End
1	3	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 3	type Rapid	result 1
		Opponent Grady, A (Amirah)				Opponent Booysen, R (Ruchon)
2	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Lechuti, J (James)				Opponent Van Staaden, M (Mickyle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Mossel Bay Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Butler, J (Jamahl D)				Opponent Mokele, L (Leah)
2	6	Tournament Mossel Bay Regional Schools Chess Tournament 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Burger, E (Eben)				Opponent Fillies, E (Eli)
3	4	Tournament Eden Top Schools 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-30	rnd 3	type Rapid	result 1
		Opponent Booysen, R (Ruchon)				Opponent Booysen, R (Ruchon)

#	Games	Start				End
1	8	Tournament Mossel Bay Top Schools 2025				Tournament Eden Top Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-16	rnd 2	type Standard	result 1
		Opponent Butler, J (Jamahl D)				Opponent Mokele, L (Leah)
2	6	Tournament Mossel Bay Regional Schools Chess Tournament 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Burger, E (Eben)				Opponent Fillies, E (Eli)
3	3	Tournament Eden Chess Trials 2 2025				Tournament Eden Chess Trials 2 2025
		date 2025-03-15	rnd 5	type Standard	result 1	date 2025-04-12	rnd 7	type Standard	result 1
		Opponent Barnard, L (Leane)				Opponent Flores, Z (Zhoe)

#	Games	Start				End
1	3	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 1	type Rapid	result 1	date 2025-08-30	rnd 3	type Rapid	result 1
		Opponent Grady, A (Amirah)				Opponent Booysen, R (Ruchon)
2	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2025				Tournament Tsogo Sun Moves For Life Learners Tournament 2025
		date 2025-08-30	rnd 5	type Rapid	result 1	date 2025-08-30	rnd 6	type Rapid	result 1
		Opponent Lechuti, J (James)				Opponent Van Staaden, M (Mickyle)

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	Booysen ,R (Ruchon)	4	4	425	3	3	425	1	1	425	0	0	0
1	Booysen ,R (Ruchon)	4	1207.4	1632.4	3	1199.3	1632.4	1	1200	1632.4	0	0	0
2	Scheffers ,Z (Zayd)	2	2	425	2	2	425	0	0	0	0	0	0
2	Scheffers ,Z (Zayd)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
3	Modupe ,L (Lesego)	2	2	425	2	2	425	0	0	0	0	0	0
3	Modupe ,L (Lesego)	2	1058.9	1483.9	2	1063.6	1483.9	0	0	0	0	0	0
4	Fillies ,E (Eli)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Fillies ,E (Eli)	2	1192	1404.5	2	1195.7	1404.5	0	0	0	0	0	0
5	Valentyn ,Z (Zielke)	2	1	0	1	1	425	1	0	-425	0	0	0
5	Valentyn ,Z (Zielke)	2	1243.9	1243.9	1	1200	1668.9	1	1200	818.9	0	0	0
6	Raubenheimer ,J (Josia)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Raubenheimer ,J (Josia)	1	1256.7	831.7	1	1275.2	831.7	0	0	0	0	0	0
7	Abukwa ,M (Maseka)	1	1	425	1	1	425	0	0	0	0	0	0
7	Abukwa ,M (Maseka)	1	1198.2	1623.2	1	1197.8	1623.2	0	0	0	0	0	0
8	Siyo ,L (Lubabalo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Siyo ,L (Lubabalo)	1	1332.6	907.6	1	1349.1	907.6	0	0	0	0	0	0
9	Mathabe ,T (Tumelo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mathabe ,T (Tumelo)	1	1288.2	1713.2	1	1312.6	1713.2	0	0	0	0	0	0
10	Wyngaard ,A (Adam)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Wyngaard ,A (Adam)	1	1402.7	1402.7	1	1412.8	1402.7	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

Jantjies, A (Armando)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms