Chess South Africa Ratings Database

PLAYER PAGE

Personal

Beyers, J (Jacobus)

Chess SA id

1090300416

FIDE id

Date of birth

2009-01-20 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

23.2

Junior GPX Points

1497.4

Item	Main	Standard	Rapid	Blitz
Rating	1443.2	1453.2	1189.2	1200
Raw rating	1435.8	1453.2	1189.2	1200
Weighted rating	1333.2	1354.5	1187.5	1200
Weighted performance	1443.2	1437.9	0	0
Floor	935.8	953.2	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	118.5	115.6	168.4	165.8
Highest rating	1663.2 2024-03-01	1663.2 2024-03-01	1200 2024-04-01	1200 2024-04-01
Highest raw rating	1435.8 2025-09-01	1453.2 2025-09-01	1200 2024-04-01	1200 2024-04-01
Highest weighted rating	1352.5 2024-10-01	1375.8 2024-10-01	1200 2024-04-01	1200 2024-04-01
Highest weighted performance	1663.2 2024-03-01	1663.2 2024-03-01	1200 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	0	0	0
New rating	1442.6	1453.2	1189.2	1200
Analysis
Rating	1443.2	1453.2	1189.2	1200
Raw rating	1435.8	1453.2	1189.2	1200
Weighted rating	1333.2	1354.5	1187.5
Weighted performance	1443.2	1437.9	0
K-factor	32	32	36	36
Floor	935.8	953.2	700	700
Max/Min rating change allowed	118.5	115.6	168.4	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	1435.8	1453.2	1189.2	1200
New weighted rating	1344.1	1365.4	1187.4	1200
New weighted performance	1442.6	1437.4	0	0
Temp new rating	1442.6	1453.2	1189.2	1200
Temp new rating +/-	-0.5	0	0	0
Final new rating +/-	-0.5	0	0	0
New rating	1442.6	1453.2	1189.2	1200
New K-factor	32	32	36	36
New floor	935.8	953.2	700	700

Item	Main	Standard	Rapid
	0	0	0
	22	22	0
	7	5	2
	0	0	0
	0	0	0
	0	0	0
History	29	27	2

Games since
	Main 29	Standard 27		Rapid 2		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
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	22	14	63.64	115.9	1399.5	1515.4
Standard	22	14	63.64	115.9	1399.5	1515.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	29	18	62.07	102.6	1415.3	1517.9
Standard	27	18	66.67	141.7	1401	1542.7
Rapid	2	0	0	-425	1608.9	1183.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1435.8	1453.2	1189.2	1200
2025-09-01	1435.8	1453.2	1189.2	1200
2025-08-01	1352.5	1375.8	1189.2	1200
2025-07-01	1352.5	1375.8	1189.2	1200
2025-06-01	1352.5	1375.8	1189.2	1200
2025-05-01	1352.5	1375.8	1189.2	1200
2025-04-01	1352.5	1375.8	1189.2	1200
2025-03-01	1333	1360.8	1189.2	1200
2025-02-01	1333	1360.8	1187.4	1200
2025-01-01	1283	1310	1158	1200
2024-12-01	1283	1310	1158	1200
2024-11-01	1283	1310	1158	1200
2024-10-01	1291.3	1310	1200	1200
2024-09-01	1291.3	1310	1200	1200
2024-08-01	1291.3	1310	1200	1200
2024-07-01	1291.3	1310	1200	1200
2024-06-01	1291.3	1310	1200	1200
2024-08-01	1291.3	1310	1200	1200
2024-04-01	1291.3	1310	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	2025 Tshwane South School District CLOSED League Championship (U17A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	2025 Etienne Lewis Closed Chess Tournament (U18)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
3	Lubowski Open 2025 (D2)	2025-03-21	2025-03-22	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
4	2025 Tshwane Chess OPEN Registration Tournament (B2)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U17A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	2025 Etienne Lewis Closed Chess Tournament (U18)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
3	Lubowski Open 2025 (D2)	2025-03-21	2025-03-22	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
4	2025 Tshwane Chess OPEN Registration Tournament (B2)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
5	Gauteng Top Schools 2024 (U17 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	2	0	Yes	Analysis
6	2024 Wynie Robbertse Chess Tournament (D1)	2024-03-02	2024-03-02	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament Lubowski Open 2025
		date 2025-01-25	rnd 3	type Standard	result 0.5	date 2025-03-21	rnd 2	type Standard	result 1
		Opponent Shabangu, N (Nkululeko)				Opponent Labuscagne, W (Waldo)
2	5	Tournament 2024 Wynie Robbertse Chess Tournament				Tournament 2024 Wynie Robbertse Chess Tournament
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 0.5
		Opponent Kunaka, M (Mufaro)				Opponent Walters, Z (Zander Kyle)
3	4	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 0.5
		Opponent Lusenga, N (Ndumiso)				Opponent Gruenenfelder, S (Stiaan)

#	Games	Start				End
1	6	Tournament 2024 Wynie Robbertse Chess Tournament				Tournament 2025 Tshwane Chess OPEN Registration Tournament
		date 2024-03-02	rnd 1	type Standard	result 1	date 2025-01-25	rnd 1	type Standard	result 1
		Opponent Kunaka, M (Mufaro)				Opponent Maponya, W (Warona)
2	5	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament Lubowski Open 2025
		date 2025-01-25	rnd 3	type Standard	result 0.5	date 2025-03-21	rnd 2	type Standard	result 1
		Opponent Shabangu, N (Nkululeko)				Opponent Labuscagne, W (Waldo)
3	4	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 0.5
		Opponent Lusenga, N (Ndumiso)				Opponent Gruenenfelder, S (Stiaan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament Lubowski Open 2025
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-03-21	rnd 2	type Standard	result 1
		Opponent Ndebele, AT (Akhumzi Thandolwenkosi)				Opponent Labuscagne, W (Waldo)
2	3	Tournament Lubowski Open 2025				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-08-08	rnd 1	type Standard	result 1
		Opponent Simao, A (Arya)				Opponent Padayachy, S (Shreya)
3	2	Tournament 2025 Etienne Lewis Closed Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-10	rnd 5	type Standard	result 1
		Opponent Thong, F (Fu Shing)				Opponent Kruger, H (Hein)

#	Games	Start				End
1	4	Tournament 2025 Tshwane Chess OPEN Registration Tournament				Tournament Lubowski Open 2025
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-03-21	rnd 2	type Standard	result 1
		Opponent Ndebele, AT (Akhumzi Thandolwenkosi)				Opponent Labuscagne, W (Waldo)
2	3	Tournament Lubowski Open 2025				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-08-08	rnd 1	type Standard	result 1
		Opponent Simao, A (Arya)				Opponent Padayachy, S (Shreya)
3	2	Tournament 2025 Etienne Lewis Closed Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-10	rnd 5	type Standard	result 1
		Opponent Thong, F (Fu Shing)				Opponent Kruger, H (Hein)

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	Radia ,D (Diya)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Radia ,D (Diya)	2	1498.6	1286.1	2	1483.8	1286.1	0	0	0	0	0	0
2	Walters ,Z (Zander Kyle)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Walters ,Z (Zander Kyle)	1	1355.9	1355.9	1	1379.5	1355.9	0	0	0	0	0	0
3	De Roos ,H (Hubert)	1	1	425	1	1	425	0	0	0	0	0	0
3	De Roos ,H (Hubert)	1	1298.6	1723.6	1	1290.2	1723.6	0	0	0	0	0	0
4	Simao ,A (Arya)	1	1	425	1	1	425	0	0	0	0	0	0
4	Simao ,A (Arya)	1	1185.7	1610.7	1	1191.5	1610.7	0	0	0	0	0	0
5	Labuscagne ,W (Waldo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Labuscagne ,W (Waldo)	1	1122.1	1547.1	1	1116.9	1547.1	0	0	0	0	0	0
6	Murray ,H (Henry)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Murray ,H (Henry)	1	1469.2	1044.2	1	1459.6	1044.2	0	0	0	0	0	0
7	Potgieter ,A (Albert)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Potgieter ,A (Albert)	1	1375.5	1375.5	1	1365.4	1375.5	0	0	0	0	0	0
8	Bernhard ,A (Arthur)	1	1	425	1	1	425	0	0	0	0	0	0
8	Bernhard ,A (Arthur)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Lusenga ,N (Ndumiso)	1	1	425	1	1	425	0	0	0	0	0	0
9	Lusenga ,N (Ndumiso)	1	1228.4	1653.4	1	1233.2	1653.4	0	0	0	0	0	0
10	Bienedell ,R (Robin)	1	1	425	1	1	425	0	0	0	0	0	0
10	Bienedell ,R (Robin)	1	1542.2	1967.2	1	1541.5	1967.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Beyers, J (Jacobus)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms