Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duvenage, B (Bendre)

Chess SA id

1160153094

FIDE id

Date of birth

2016-08-22 (U10)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

36.2

Junior GPX Points

1289.8

Item	Main	Standard	Rapid	Blitz
Rating	1387.3	1389.7	1305.8	1200
Raw rating	1375.2	1383.3	1301.9	1200
Weighted rating	1387.3	1389.7	1305.8	1200
Weighted performance	1293.6	1303.4	1100.6	0
Floor	931.7	945.4	839	700
K-factor	32	32	36	36
Min/Max rating change allowed	129.2	127.7	143.4	165.8
Highest rating	1440.7 2023-07-01	1445.4 2025-06-01	1436.5 2023-08-01	1200 2018-10-01
Highest raw rating	1431.7 2025-06-01	1445.4 2025-06-01	1339 2024-06-01	1200 2024-03-01
Highest weighted rating	1386 2025-09-30	1387.7 2025-09-30	1301.9 2025-08-01	1200 2018-10-01
Highest weighted performance	1440.7 2025-06-01	1445.4 2023-07-01	1436.5 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.9	1.6	0.7	0
New rating	1388.3	1391.3	1306.4	1200
Analysis
Rating	1387.3	1389.7	1305.8	1200
Raw rating	1375.2	1383.3	1301.9	1200
Weighted rating	1387.3	1389.7	1305.8
Weighted performance	1293.6	1303.4	1100.6
K-factor	32	32	36	36
Floor	931.7	945.4	839	700
Max/Min rating change allowed	129.2	127.7	143.4	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	1375.2	1383.3	1301.9	1200
New weighted rating	1388.3	1391.3	1306.4	1200
New weighted performance	1285.6	1295.4	1092.8	0
Temp new rating	1388.3	1391.3	1306.4	1200
Temp new rating +/-	0.9	1.6	0.7	0
Final new rating +/-	0.9	1.6	0.7	0
New rating	1388.3	1391.3	1306.4	1200
New K-factor	32	32	36	36
New floor	931.7	945.4	839	700

Item	Main	Standard	Rapid
	0	0	0
	39	34	5
	55	44	11
	34	22	12
	0	0	0
	0	0	0
History	128	100	28

Games since
	Main 94	Standard 78		Rapid 16		Blitz 0
Gender	Male
Age group	U10
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	2334		287		67
Male	1889		239		55
U10	164		19		7
U10 Male	139		14		5
Standard
	RSA		Province		Region
Overall	2211		279		66
Male	1798		233		54
U10	153		20		7
U10 Male	132		15		5
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	39	23	58.97	76.3	1293.9	1370.2
Standard	34	21	61.76	100	1297.1	1397.1
Rapid	5	2	40	-85	1272	1187
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	128	80	62.5	106.2	1248.4	1354.7
Standard	100	62	62	102	1259.4	1361.4
Rapid	28	18	64.29	121.4	1209.4	1330.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1375.2	1383.3	1301.9	1200
2025-09-30	1375.2	1383.3	1301.9	1200
2025-09-01	1431.7	1445.4	1301.9	1200
2025-08-01	1431.7	1445.4	1301.9	1200
2025-07-01	1431.7	1445.4	1300.3	1200
2025-06-01	1431.7	1445.4	1298.4	1200
2025-05-01	1399.6	1423.5	1296.7	1200
2025-04-01	1373.5	1392.9	1296.7	1200
2025-03-01	1373.5	1392.9	1296.7	1200
2025-02-01	1366	1384.7	1296.7	1200
2025-01-01	1379.3	1352.5	1339	1200
2024-12-01	1379.3	1352.5	1339	1200
2024-11-01	1379.3	1352.5	1339	1200
2024-10-01	1379.3	1352.5	1339	1200
2024-09-01	1379.3	1352.5	1339	1200
2024-08-01	1379.3	1352.5	1339	1200
2024-07-01	1393.8	1359.3	1339	1200
2024-09-01	1381.8	1341.3	1339	1200
2024-05-01	1312.1	1318.3	1263	1200
2024-04-01	1297.6	1310.4	1216.2	1200
2024-03-01	1328.4	1351.4	1216.2	1200
2024-02-01	1248.9	1259.6	1216.2	1200
2024-01-01	1248.9	1259.6	1216.2	1200
2023-12-01	1248.9	1259.6	1216.2	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	EC Closed 2025 (U8+U10 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
2	SBDCA Closed 2025 (U10 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
3	SBD Trials J Bay 19 April 2025 (U10)	2025-04-19	2025-04-19	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
4	SBDCU Trials 3 2025 (U10)	2025-02-08	2025-02-08	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
5	2025 SBDCU Trial 2 JBay (U10)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
6	Back 2 School 2025 (D)	2025-01-11	2025-01-11	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
7	SBD Activation Tournament 2025 (B)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (U8+U10 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
2	SBDCA Closed 2025 (U10 Boys)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
3	SBD Trials J Bay 19 April 2025 (U10)	2025-04-19	2025-04-19	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
4	SBDCU Trials 3 2025 (U10)	2025-02-08	2025-02-08	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
5	2025 SBDCU Trial 2 JBay (U10)	2025-01-25	2025-01-25	Standard	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
6	Back 2 School 2025 (D)	2025-01-11	2025-01-11	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
7	SBD Activation Tournament 2025 (B)	2025-01-04	2025-01-04	Rapid	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
8	SBDCU Closed Trials 2024 (U10 Boys)	2024-07-27	2024-07-27	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
9	SBDCU Trial 3 2024 (U10)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
10	Fountains Mall 2024 (Development)	2024-05-18	2024-05-18	Standard	Sarah Baartman (ESB)	6	6	5	Yes	Analysis
11	Humansdorp CMC Schools Trials 2024 (U9 Boys)	2024-05-10	2024-05-10	Rapid	Sarah Baartman (ESB)	6	5	5	Yes	Analysis
12	Spartan Bishops Chess Championships 2024 (Little Pawns)	2024-05-04	2024-05-05	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
13	Stulting Tournament 2024 (Junior)	2024-04-06	2024-04-06	Rapid	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
14	Kouga Mayor's Cup Final 2024 (U9)	2024-04-13	2024-04-13	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
15	Kouga Mayor's Cup 2024 (U9)	2024-03-09	2024-03-09	Standard	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
16	SBDCU Trial 1 2024 (U10)	2024-02-24	2024-02-24	Standard	Sarah Baartman (ESB)	6	6	4	Yes	Analysis
17	SBDCU Open 2024 (Development)	2024-02-10	2024-02-10	Standard	Sarah Baartman (ESB)	6	6	5	Yes	Analysis
18	Eastern Cape Provincial Individual Championship 2023 (U8 Boys)	2023-10-05	2023-10-05	Standard	Nelson Mandela Bay (ENM)	7	7	4	Yes	Analysis
19	Eastern Cape Chess Team Championship 2023 (U10)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	4	1	Yes	Analysis
20	Marina Martinique Open Fundraiser 2023 (B)	2023-09-09	2023-09-09	Rapid	Sarah Baartman (ESB)	7	7	3	Yes	Analysis
21	Stulting Sportdag 2023 (Junior)	2023-08-25	2023-08-25	Rapid	Sarah Baartman (ESB)	5	5	4	Yes	Analysis
22	SBDCU Closed Trials 2023 (U8 Boys+Girls)	2023-07-29	2023-07-29	Standard	Sarah Baartman (ESB)	6	6	5	Yes	Analysis
23	SBDCU Trial 2 2023 (U8)	2023-04-01	2023-04-01	Standard	Sarah Baartman (ESB)	9	5	3	Yes	Analysis

#	Games	Start				End
1	7	Tournament Humansdorp CMC Schools Trials 2024				Tournament Fountains Mall 2024
		date 2024-05-10	rnd 1	type Rapid	result 1	date 2024-05-18	rnd 2	type Standard	result 1
		Opponent George, C (Cody)				Opponent Terblanche, N (Nico)
2	7	Tournament SBDCU Closed Trials 2023				Tournament Stulting Sportdag 2023
		date 2023-07-29	rnd 3	type Standard	result 1	date 2023-08-25	rnd 3	type Rapid	result 1
		Opponent Mpangalala, Z (Zizo)				Opponent Van Der Merwe, H (Hunter)
3	5	Tournament Eastern Cape Chess Team Championship 2023				Tournament SBDCU Open 2024
		date 2023-10-08	rnd 5	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Barrow, E (Enrico)				Opponent Fihlani, I (Imihle)

#	Games	Start				End
1	5	Tournament Eastern Cape Chess Team Championship 2023				Tournament SBDCU Open 2024
		date 2023-10-08	rnd 5	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Barrow, E (Enrico)				Opponent Fihlani, I (Imihle)
2	4	Tournament SBDCU Trials 3 2025				Tournament SBD Trials J Bay 19 April 2025
		date 2025-02-08	rnd 5	type Standard	result 1	date 2025-04-19	rnd 2	type Standard	result 1
		Opponent Zietsman, S (Shan-Leigh)				Opponent Stofile, I (Imkhitha Zidan)
3	4	Tournament 2025 SBDCU Trial 2 JBay				Tournament SBDCU Trials 3 2025
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Nyabeni, L (Liyonela)				Opponent Prinsloo, D (Dawid)

#	Games	Start				End
1	5	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 1	type Rapid	result 1	date 2024-05-10	rnd 6	type Rapid	result 1
		Opponent George, C (Cody)				Opponent Vermaak, R (Riaan Junior)
2	3	Tournament Stulting Tournament 2024				Tournament Stulting Tournament 2024
		date 2024-04-06	rnd 3	type Rapid	result 1	date 2024-04-06	rnd 5	type Rapid	result 1
		Opponent Louis, K (Keanu)				Opponent Swart, D (Daniella)
3	3	Tournament Stulting Sportdag 2023				Tournament Stulting Sportdag 2023
		date 2023-08-25	rnd 1	type Rapid	result 1	date 2023-08-25	rnd 3	type Rapid	result 1
		Opponent Salgado, A (Aurora)				Opponent Van Der Merwe, H (Hunter)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Humansdorp CMC Schools Trials 2024				Tournament Fountains Mall 2024
		date 2024-05-10	rnd 1	type Rapid	result 1	date 2024-05-18	rnd 2	type Standard	result 1
		Opponent George, C (Cody)				Opponent Terblanche, N (Nico)
2	7	Tournament SBDCU Closed Trials 2023				Tournament Stulting Sportdag 2023
		date 2023-07-29	rnd 3	type Standard	result 1	date 2023-08-25	rnd 3	type Rapid	result 1
		Opponent Mpangalala, Z (Zizo)				Opponent Van Der Merwe, H (Hunter)
3	5	Tournament Eastern Cape Chess Team Championship 2023				Tournament SBDCU Open 2024
		date 2023-10-08	rnd 5	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Barrow, E (Enrico)				Opponent Fihlani, I (Imihle)

#	Games	Start				End
1	5	Tournament Eastern Cape Chess Team Championship 2023				Tournament SBDCU Open 2024
		date 2023-10-08	rnd 5	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Barrow, E (Enrico)				Opponent Fihlani, I (Imihle)
2	4	Tournament SBDCU Trials 3 2025				Tournament SBD Trials J Bay 19 April 2025
		date 2025-02-08	rnd 5	type Standard	result 1	date 2025-04-19	rnd 2	type Standard	result 1
		Opponent Zietsman, S (Shan-Leigh)				Opponent Stofile, I (Imkhitha Zidan)
3	4	Tournament 2025 SBDCU Trial 2 JBay				Tournament SBDCU Trials 3 2025
		date 2025-01-25	rnd 4	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Nyabeni, L (Liyonela)				Opponent Prinsloo, D (Dawid)

#	Games	Start				End
1	5	Tournament Humansdorp CMC Schools Trials 2024				Tournament Humansdorp CMC Schools Trials 2024
		date 2024-05-10	rnd 1	type Rapid	result 1	date 2024-05-10	rnd 6	type Rapid	result 1
		Opponent George, C (Cody)				Opponent Vermaak, R (Riaan Junior)
2	3	Tournament Stulting Tournament 2024				Tournament Stulting Tournament 2024
		date 2024-04-06	rnd 3	type Rapid	result 1	date 2024-04-06	rnd 5	type Rapid	result 1
		Opponent Louis, K (Keanu)				Opponent Swart, D (Daniella)
3	3	Tournament Stulting Sportdag 2023				Tournament Stulting Sportdag 2023
		date 2023-08-25	rnd 1	type Rapid	result 1	date 2023-08-25	rnd 3	type Rapid	result 1
		Opponent Salgado, A (Aurora)				Opponent Van Der Merwe, H (Hunter)

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	Ozah ,C (Chinedu)	9	5	47.2	8	4	0	1	1	425	0	0	0
1	Ozah ,C (Chinedu)	9	1307.8	1355	8	1326.2	1307.8	1	1200	1732.8	0	0	0
2	Stofile ,I (Imkhitha Zidan)	8	1	-318.8	8	1	-318.8	0	0	0	0	0	0
2	Stofile ,I (Imkhitha Zidan)	8	1394.6	1075.8	8	1421.7	1075.8	0	0	0	0	0	0
3	Swart ,W (Waldemar)	7	2	-182.1	7	2	-182.1	0	0	0	0	0	0
3	Swart ,W (Waldemar)	7	1404.6	1222.5	7	1422.3	1222.5	0	0	0	0	0	0
4	Vermaak ,R (Riaan Junior)	7	4	60.7	6	3	0	1	1	425	0	0	0
4	Vermaak ,R (Riaan Junior)	7	1278.3	1339	6	1306.9	1278.3	1	1157.2	1703.3	0	0	0
5	Prinsloo ,D (Dawid)	5	5	425	5	5	425	0	0	0	0	0	0
5	Prinsloo ,D (Dawid)	5	1152.6	1577.6	5	1177.1	1577.6	0	0	0	0	0	0
6	Zietsman ,S (Shan-Leigh)	3	3	425	3	3	425	0	0	0	0	0	0
6	Zietsman ,S (Shan-Leigh)	3	1192.7	1617.7	3	1216.9	1617.7	0	0	0	0	0	0
7	Marais ,R (Raudin)	3	3	425	3	3	425	0	0	0	0	0	0
7	Marais ,R (Raudin)	3	1123.3	1548.3	3	1127.1	1548.3	0	0	0	0	0	0
8	Brits ,R (Regardt)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
8	Brits ,R (Regardt)	3	1112.5	1254.2	3	1113.8	1254.2	0	0	0	0	0	0
9	Fihlani ,I (Imihle)	3	2	141.7	2	1	0	1	1	425	0	0	0
9	Fihlani ,I (Imihle)	3	1218.9	1360.6	2	1220.7	1218.9	1	1174.8	1643.9	0	0	0
10	Kritzinger ,A (Adrian)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Kritzinger ,A (Adrian)	2	1399.9	974.9	2	1400.5	974.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Duvenage, B (Bendre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms