Chess South Africa Ratings Database

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Personal

Bender, J (Jandre)

Chess SA id

1120143015

FIDE id

Date of birth

2012-10-04 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

42.9

Junior GPX Points

1538.8

Item	Main	Standard	Rapid	Blitz
Rating	1617.3	1613.1	659.2	656
Raw rating	1617.3	1613.1	659.2	656
Weighted rating	1560.7	1560.6	512.7	656
Weighted performance	1570.6	1576.2	0	0
Floor	1117.3	1113.1	500	500
K-factor	28	28	40	40
Min/Max rating change allowed	91.5	92	358.3	359.9
Highest rating	1617.3 2025-09-30	1613.1 2025-09-01	1200 2024-02-01	1201.8 2023-07-01
Highest raw rating	1617.3 2025-09-30	1613.1 2025-09-01	659.2 2025-09-30	656 2024-02-01
Highest weighted rating	1560.7 2025-09-30	1553.3 2025-09-01	512.7 2025-09-30	656 2024-11-01
Highest weighted performance	1594.9 2025-04-01	1592.4 2025-09-01	1200 2024-02-01	1201.8 2023-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1617.3	1613.1	659.2	656
Analysis
Rating	1617.3	1613.1	659.2	656
Raw rating	1617.3	1613.1	659.2	656
Weighted rating	1560.7	1560.6	512.7
Weighted performance	1570.6	1576.2	0
K-factor	28	28	40	40
Floor	1117.3	1113.1	500	500
Max/Min rating change allowed	91.5	92	358.3	359.9
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	1617.3	1613.1	659.2	656
New weighted rating	1568.4	1567.3	524.9	656
New weighted performance	1570.1	1575.6	0	0
Temp new rating	1617.3	1613.1	659.2	656
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1617.3	1613.1	659.2	656
New K-factor	28	28	40	40
New floor	1117.3	1113.1	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	35	30	5	0
	45	45	0	0
	38	31	0	7
	25	25	0	0
	0	0	0	0
History	143	131	5	7

Games since
	Main 80	Standard 75		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	570		218		85
Male	529		203		76
U14	60		17		10
U14 Male	54		16		10
Standard
	RSA		Province		Region
Overall	561		221		86
Male	518		204		75
U14	62		19		10
U14 Male	55		17		9
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	35	23.5	67.14	145.7	1469.8	1615.5
Standard	30	19.5	65	127.5	1485.4	1612.9
Rapid	5	4	80	255	1376.4	1631.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	143	88.5	61.89	101	1360.8	1461.9
Standard	131	80.5	61.45	97.3	1362.3	1459.6
Rapid	5	4	80	255	1376.4	1631.4
Blitz	7	4	57.14	60.7	1321.9	1382.6

Date	Main	Standard	Rapid	Blitz
2025-09-30	1617.3	1613.1	659.2	656
2025-09-01	1614.5	1613.1	500	656
2025-08-01	1611.3	1609.2	500	656
2025-07-01	1601	1596.4	500	656
2025-06-01	1601	1596.4	500	656
2025-05-01	1571.4	1567.4	500	656
2025-04-01	1594.9	1588.8	500	656
2025-03-01	1569.3	1569.2	500	656
2025-02-01	1566.1	1565.9	500	656
2025-01-01	1566.1	1565.9	500	656
2024-12-01	1539.6	1541.3	500	656
2024-11-01	1539.6	1541.3	500	656
2024-10-01	1506	1502.6	500	656
2024-09-01	1486.9	1478.3	500	656
2024-08-01	1501.3	1491.1	500	656
2024-07-01	1539.5	1538.1	500	656
2024-06-01	1490.8	1498.6	500	656
2024-08-01	1490.8	1498.6	500	656
2024-04-01	1490.8	1498.6	500	656
2024-03-01	1433.3	1466.9	500	656
2024-02-01	1433.3	1466.9	500	656
2024-01-01	1386.3	1430.4	500	656
2023-12-01	1386.3	1430.4	500	656
2023-11-01	1386.3	1430.4	500	656

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	MCA Spring Flower Birthday Rapid 2025 (U14)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
2	JMC Closed 2025 (U14)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
3	South African Open 2025 (U14 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
4	Moja Chess Extravaganza 2025 (U14)	2025-04-26	2025-04-28	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	FIDE in The West 2025 (Open)	2025-04-12	2025-04-12	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
6	2nd Knight Riders Junior Open 2025 (C)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
7	JMC Kick Off 2025 (B)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	MCA Spring Flower Birthday Rapid 2025 (U14)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
2	JMC Closed 2025 (U14)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
3	South African Open 2025 (U14 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
4	Moja Chess Extravaganza 2025 (U14)	2025-04-26	2025-04-28	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	FIDE in The West 2025 (Open)	2025-04-12	2025-04-12	Standard	West Rand (GWR)	5	5	1.5	Yes	Analysis
6	2nd Knight Riders Junior Open 2025 (C)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
7	JMC Kick Off 2025 (B)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
8	Gauteng Inter-Region at UJ 2024 (U14 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
9	Gauteng Top Schools 2024 (U13 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
10	Gauteng Schools Individuals Finals 2024 (U13 Boys)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
11	JMC Closed 2024 (B)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
12	Chess Power House July Open 2024 (B)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
13	Second Knight Riders Juniors Open Chess Tournament 2024 (A+B)	2024-06-08	2024-06-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
14	JMC Trinityhouse Little Falls 2024 (B)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
15	JMC Unika School Tournament 2024 (D)	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
16	2024 Gauteng Inter-Region Chess Championship (U12B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
17	2023 Gauteng Top Schools (U13 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
18	JMC Closed Aug 2023 (U12)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	6	3.5	Yes	Analysis
19	JMC - The Higher Ground Restaurant 2nd Blitz Event 2023	2023-07-30	2023-07-30	Blitz	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
20	3rd Knight Riders Junior Open 2023 (U10+U12)	2023-07-29	2023-07-29	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
21	JNW Open - Trinityhouse Little Falls 2023 (C)	2023-06-24	2023-06-24	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
22	Gauteng Open Arnold Classic 2023 (C)	2023-05-20	2023-05-20	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
23	Gauteng Schools Individual Finals 2023 (U11 Boys)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
24	JMC 3rd Trials 2022 (C)	2022-09-11	2022-09-11	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
25	Tuks Junior Developmental Tournament 2022 (Blue)	2022-08-06	2022-08-06	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
26	JMC 2nd Trials 2022 (C)	2022-08-27	2022-08-27	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
27	JMC Trials 1 - Laerskool Fontainebleau 2022 (U12)	2022-07-24	2022-07-24	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
28	Tuks Junior Chess Club Developmental Tournament 2022 (Blue)	2022-06-22	2022-06-22	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	9	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-16	rnd 4	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Massoa, K (Kandedo)				Opponent Tibane, H (Hanyani)
2	9	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-06-02	rnd 2	type Standard	result 0.5
		Opponent Seanego, G (Glen)				Opponent Tshounyane, T (Tlhalefo)
3	5	Tournament JMC Kick Off 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-02-02	rnd 4	type Standard	result 1	date 2025-03-23	rnd 3	type Standard	result 1
		Opponent Stelloh, S (Sebastian)				Opponent Block, S (Shlomo)

#	Games	Start				End
1	9	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-16	rnd 4	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Massoa, K (Kandedo)				Opponent Tibane, H (Hanyani)
2	9	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-06-02	rnd 2	type Standard	result 0.5
		Opponent Seanego, G (Glen)				Opponent Tshounyane, T (Tlhalefo)
3	5	Tournament JMC Kick Off 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-02-02	rnd 4	type Standard	result 1	date 2025-03-23	rnd 3	type Standard	result 1
		Opponent Stelloh, S (Sebastian)				Opponent Block, S (Shlomo)

#	Games	Start				End
1	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 5	type Rapid	result 1
		Opponent Sehloho, T (Thandolwethu)				Opponent Fischer, J (Jandre)
2	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 1	type Rapid	result 1	date 2025-09-20	rnd 2	type Rapid	result 1
		Opponent Knight, E (Eryk)				Opponent Madhanlala, S (Sharan)

#	Games	Start				End
1	2	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 6	type Blitz	result 1	date 2023-07-30	rnd 7	type Blitz	result 1
		Opponent Gerber, Z (Zoe)				Opponent Kwak, J (Jaeson)
2	2	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 3	type Blitz	result 1	date 2023-07-30	rnd 4	type Blitz	result 1
		Opponent Vermaak, C (Cameron)				Opponent Stelloh, A (Alexander)

#	Games	Start				End
1	9	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-16	rnd 4	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Massoa, K (Kandedo)				Opponent Tibane, H (Hanyani)
2	5	Tournament JMC Kick Off 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-02-02	rnd 4	type Standard	result 1	date 2025-03-23	rnd 3	type Standard	result 1
		Opponent Stelloh, S (Sebastian)				Opponent Block, S (Shlomo)
3	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament JMC Unika School Tournament 2024
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Seanego, G (Glen)				Opponent Westoby, A (Adam)

#	Games	Start				End
1	9	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-16	rnd 4	type Standard	result 1	date 2024-12-07	rnd 2	type Standard	result 1
		Opponent Massoa, K (Kandedo)				Opponent Tibane, H (Hanyani)
2	5	Tournament JMC Kick Off 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-02-02	rnd 4	type Standard	result 1	date 2025-03-23	rnd 3	type Standard	result 1
		Opponent Stelloh, S (Sebastian)				Opponent Block, S (Shlomo)
3	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament JMC Unika School Tournament 2024
		date 2024-01-14	rnd 4	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Seanego, G (Glen)				Opponent Westoby, A (Adam)

#	Games	Start				End
1	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 5	type Rapid	result 1
		Opponent Sehloho, T (Thandolwethu)				Opponent Fischer, J (Jandre)
2	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 1	type Rapid	result 1	date 2025-09-20	rnd 2	type Rapid	result 1
		Opponent Knight, E (Eryk)				Opponent Madhanlala, S (Sharan)

#	Games	Start				End
1	2	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 6	type Blitz	result 1	date 2023-07-30	rnd 7	type Blitz	result 1
		Opponent Gerber, Z (Zoe)				Opponent Kwak, J (Jaeson)
2	2	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 3	type Blitz	result 1	date 2023-07-30	rnd 4	type Blitz	result 1
		Opponent Vermaak, C (Cameron)				Opponent Stelloh, A (Alexander)

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	Westoby ,A (Adam)	3	3	425	3	3	425	0	0	0	0	0	0
1	Westoby ,A (Adam)	3	1430.5	1855.5	3	1451.6	1855.5	0	0	0	0	0	0
2	Retief ,A (Antonie)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Retief ,A (Antonie)	3	1411	986	3	1410.3	986	0	0	0	0	0	0
3	Sehloho ,T (Thandolwethu)	3	3	425	2	2	425	1	1	425	0	0	0
3	Sehloho ,T (Thandolwethu)	3	1426.2	1851.2	2	1390	1851.2	1	1292.1	1851.2	0	0	0
4	Mankena ,S (Satvik Ram)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Mankena ,S (Satvik Ram)	2	1551.5	1126.5	2	1546.2	1126.5	0	0	0	0	0	0
5	Bogaard ,FK (Franco Konrad)	2	1	0	2	1	0	0	0	0	0	0	0
5	Bogaard ,FK (Franco Konrad)	2	1347.6	1347.6	2	1328.2	1347.6	0	0	0	0	0	0
6	Weng ,D (Daniel)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Weng ,D (Daniel)	2	1389.9	964.9	2	1368.9	964.9	0	0	0	0	0	0
7	Keyter ,ZC (Zarius Clarence)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Keyter ,ZC (Zarius Clarence)	2	1389.6	964.6	2	1350.1	964.6	0	0	0	0	0	0
8	Zulu ,T (Thandoluhle)	2	1	0	2	1	0	0	0	0	0	0	0
8	Zulu ,T (Thandoluhle)	2	1327.2	1327.2	2	1318.4	1327.2	0	0	0	0	0	0
9	Nemusombori ,L (Livhuwani Nathan)	2	1	0	2	1	0	0	0	0	0	0	0
9	Nemusombori ,L (Livhuwani Nathan)	2	1556.1	1556.1	2	1556.1	1556.1	0	0	0	0	0	0
10	Bazhko ,A (Anton)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Bazhko ,A (Anton)	2	1392.2	967.2	2	1375.1	967.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Bender, J (Jandre)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms