Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Jager, B (Bianca)

Chess SA id

2910309243

FIDE id

Date of birth

1991-04-16 (Adult)

Gender

Female

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1219.7	1216	1176.9	1200
Raw rating	1219.7	1216	1176.9	1200
Weighted rating	1211.8	1210.2	1173.6	1200
Weighted performance	1176	1171.5	0	0
Floor	753.8	762.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.2	162.1	171.4	165.8
Highest rating	1253.8 2025-06-01	1281.7 2024-08-01	1200 2024-11-01	1200 2024-10-01
Highest raw rating	1253.8 2025-06-01	1262.1 2025-06-01	1200 2024-08-01	1200 2024-10-01
Highest weighted rating	1253.8 2024-09-01	1262.1 2024-09-01	1200 2024-11-01	1200 2024-10-01
Highest weighted performance	1250.2 2025-06-01	1281.7 2024-08-01	1200 2024-12-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1219.7	1216	1176.9	1200
Analysis
Rating	1219.7	1216	1176.9	1200
Raw rating	1219.7	1216	1176.9	1200
Weighted rating	1211.8	1210.2	1173.6
Weighted performance	1176	1171.5	0
K-factor	36	36	36	36
Floor	753.8	762.1	700	700
Max/Min rating change allowed	161.2	162.1	171.4	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	1219.7	1216	1176.9	1200
New weighted rating	1212.9	1211.2	1173.4	1200
New weighted performance	1175.5	1171	0	0
Temp new rating	1219.7	1216	1176.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1219.7	1216	1176.9	1200
New K-factor	36	36	36	36
New floor	753.8	762.1	700	700

Item	Main	Standard	Rapid
	0	0	0
	14	14	0
	23	16	7
	0	0	0
	0	0	0
	0	0	0
History	37	30	7

Games since
	Main 37	Standard 30		Rapid 7		Blitz 0
Gender	Female
Age group	Adult
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3796		253		185
Female	901		48		37
Adult	552		44		29
Adult Female	51		4		3
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-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	14	7	50	0	1253.4	1253.4
Standard	14	7	50	0	1253.4	1253.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	14	37.84	-103.4	1301.4	1198
Standard	30	12	40	-85	1288.4	1203.4
Rapid	7	2	28.57	-182.1	1357.1	1175
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1219.7	1216	1176.9	1200
2025-09-01	1253.8	1262.1	1176.9	1200
2025-08-01	1253.8	1262.1	1176.9	1200
2025-07-01	1253.8	1262.1	1176.9	1200
2025-06-01	1253.8	1262.1	1176.9	1200
2025-05-01	1193	1188.1	1176.9	1200
2025-04-01	1192.8	1188	1176.9	1200
2025-03-01	1193.5	1188.8	1176.9	1200
2025-02-01	1192.5	1187.4	1175.2	1200
2025-01-01	1176	1162.8	1142.4	1200
2024-12-01	1176	1162.8	1142.4	1200
2024-11-01	1176	1162.8	1142.4	1200
2024-10-01	1172.4	1158.5	1142.4	1200
2024-09-01	1224.4	1220.8	1142.4	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	Bojanala's Rusties - The Champions' Tournament 2025 (Bishops)	2025-09-13	2025-09-13	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
2	Spartan Bishops Championships Maidens 2025 (Parents)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	4	4	Yes	Analysis
3	Bojanala's Waterkloof - The Superior One 2025 (Parents)	2025-03-15	2025-03-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Rusties - The Champions' Tournament 2025 (Bishops)	2025-09-13	2025-09-13	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
2	Spartan Bishops Championships Maidens 2025 (Parents)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	4	4	Yes	Analysis
3	Bojanala's Waterkloof - The Superior One 2025 (Parents)	2025-03-15	2025-03-15	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
4	Bojanala's Battle of Mount Cambridge 2024 (Bishops)	2024-10-05	2024-10-05	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
5	Bojanala Circuit Championships 3 of 4 2024 (U20+Open)	2024-09-14	2024-09-14	Standard	Bojanala Platina (NBR)	5	5	0	Yes	Analysis
6	Bojanala's FIDE In The Sparkling Waters 2024 (Rooks)	2024-08-16	2024-08-18	Standard	Bojanala Platina (NBR)	6	6	3	Yes	Analysis
7	Bojanala's Kings & Queens Rapid and Doubles 2024 (Open)	2024-08-10	2024-08-10	Rapid	Bojanala Platina (NBR)	7	7	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Spartan Bishops Championships Maidens 2025				Tournament Spartan Bishops Championships Maidens 2025
		date 2025-05-23	rnd 1	type Standard	result 1	date 2025-05-25	rnd 5	type Standard	result 1
		Opponent Monare, T (Tlhogi)				Opponent Van Heerden, J (Juanette)
2	2	Tournament Bojanala's Waterkloof - The Superior One 2025				Tournament Bojanala's Waterkloof - The Superior One 2025
		date 2025-03-15	rnd 2	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Tak, N (Naveen)				Opponent Monare, T (Tlhogi)
3	2	Tournament Bojanala's FIDE In The Sparkling Waters 2024				Tournament Bojanala's FIDE In The Sparkling Waters 2024
		date 2024-08-18	rnd 5	type Standard	result 1	date 2024-08-18	rnd 6	type Standard	result 1
		Opponent Wang, K (Kent)				Opponent Venter, R (Ruah)

#	Games	Start				End
1	4	Tournament Spartan Bishops Championships Maidens 2025				Tournament Spartan Bishops Championships Maidens 2025
		date 2025-05-23	rnd 1	type Standard	result 1	date 2025-05-25	rnd 5	type Standard	result 1
		Opponent Monare, T (Tlhogi)				Opponent Van Heerden, J (Juanette)
2	2	Tournament Bojanala's Waterkloof - The Superior One 2025				Tournament Bojanala's Waterkloof - The Superior One 2025
		date 2025-03-15	rnd 2	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Tak, N (Naveen)				Opponent Monare, T (Tlhogi)
3	2	Tournament Bojanala's FIDE In The Sparkling Waters 2024				Tournament Bojanala's FIDE In The Sparkling Waters 2024
		date 2024-08-18	rnd 5	type Standard	result 1	date 2024-08-18	rnd 6	type Standard	result 1
		Opponent Wang, K (Kent)				Opponent Venter, R (Ruah)

#	Games	Start				End
1	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 3	type Rapid	result 1	date 2024-08-10	rnd 3	type Rapid	result 1
		Opponent Terblanche, B (Bernard)				Opponent Terblanche, B (Bernard)
2	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 1	type Rapid	result 1	date 2024-08-10	rnd 1	type Rapid	result 1
		Opponent Vercuiel, E (Estienne)				Opponent Vercuiel, E (Estienne)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Spartan Bishops Championships Maidens 2025				Tournament Spartan Bishops Championships Maidens 2025
		date 2025-05-23	rnd 1	type Standard	result 1	date 2025-05-25	rnd 5	type Standard	result 1
		Opponent Monare, T (Tlhogi)				Opponent Van Heerden, J (Juanette)
2	2	Tournament Bojanala's Waterkloof - The Superior One 2025				Tournament Bojanala's Waterkloof - The Superior One 2025
		date 2025-03-15	rnd 2	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Tak, N (Naveen)				Opponent Monare, T (Tlhogi)
3	2	Tournament Bojanala's FIDE In The Sparkling Waters 2024				Tournament Bojanala's FIDE In The Sparkling Waters 2024
		date 2024-08-18	rnd 5	type Standard	result 1	date 2024-08-18	rnd 6	type Standard	result 1
		Opponent Wang, K (Kent)				Opponent Venter, R (Ruah)

#	Games	Start				End
1	4	Tournament Spartan Bishops Championships Maidens 2025				Tournament Spartan Bishops Championships Maidens 2025
		date 2025-05-23	rnd 1	type Standard	result 1	date 2025-05-25	rnd 5	type Standard	result 1
		Opponent Monare, T (Tlhogi)				Opponent Van Heerden, J (Juanette)
2	2	Tournament Bojanala's Waterkloof - The Superior One 2025				Tournament Bojanala's Waterkloof - The Superior One 2025
		date 2025-03-15	rnd 2	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Tak, N (Naveen)				Opponent Monare, T (Tlhogi)
3	2	Tournament Bojanala's FIDE In The Sparkling Waters 2024				Tournament Bojanala's FIDE In The Sparkling Waters 2024
		date 2024-08-18	rnd 5	type Standard	result 1	date 2024-08-18	rnd 6	type Standard	result 1
		Opponent Wang, K (Kent)				Opponent Venter, R (Ruah)

#	Games	Start				End
1	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 3	type Rapid	result 1	date 2024-08-10	rnd 3	type Rapid	result 1
		Opponent Terblanche, B (Bernard)				Opponent Terblanche, B (Bernard)
2	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 1	type Rapid	result 1	date 2024-08-10	rnd 1	type Rapid	result 1
		Opponent Vercuiel, E (Estienne)				Opponent Vercuiel, E (Estienne)

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	Jansen Van Vuuren ,M (Mari)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Jansen Van Vuuren ,M (Mari)	3	1309.5	1451.2	3	1292.2	1451.2	0	0	0	0	0	0
2	Monare ,T (Tlhogi)	2	2	425	2	2	425	0	0	0	0	0	0
2	Monare ,T (Tlhogi)	2	1180.2	1605.2	2	1199.4	1605.2	0	0	0	0	0	0
3	Mokoena ,T (Thato)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Mokoena ,T (Thato)	2	1239.2	814.2	2	1234.4	814.2	0	0	0	0	0	0
4	Terblanche ,B (Bernard)	2	2	425	1	1	425	1	1	425	0	0	0
4	Terblanche ,B (Bernard)	2	1317.1	1742.1	1	1304.4	1742.1	1	1258.4	1742.1	0	0	0
5	Tak ,N (Naveen)	1	1	425	1	1	425	0	0	0	0	0	0
5	Tak ,N (Naveen)	1	1197.3	1622.3	1	1200	1622.3	0	0	0	0	0	0
6	Kachaka ,K (Kudakwashe)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Kachaka ,K (Kudakwashe)	1	1252	827	1	1252.3	827	0	0	0	0	0	0
7	Van Heerden ,J (Juanette)	1	1	425	1	1	425	0	0	0	0	0	0
7	Van Heerden ,J (Juanette)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Matabane ,T (Tshenolo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Matabane ,T (Tshenolo)	1	1199.2	1624.2	1	1199	1624.2	0	0	0	0	0	0
9	Myburgh ,Z (Zandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Myburgh ,Z (Zandre)	1	1505	1080	1	1504.1	1080	0	0	0	0	0	0
10	Vorster ,SPM (Stephanus)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Vorster ,SPM (Stephanus)	1	1770.8	1345.8	1	1779.1	1345.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De Jager, B (Bianca)

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Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms