Chess South Africa Ratings Database

PLAYER PAGE

Personal

Gertenbach, J (Jeandre)

Chess SA id

106077922

FIDE id

Date of birth

2006-04-18 (U20)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1277.6	1281.3	755.2	1030.2
Raw rating	1277.6	1281.3	755.2	1030.2
Weighted rating	1277.6	1281.3	755.2	1029.7
Weighted performance	225	224.9	0	0
Floor	788.3	795.6	500	530.2
K-factor	36	36	40	40
Min/Max rating change allowed	148.5	147.7	312.5	211.2
Highest rating	1309.1 2018-02-01	1309.9 2018-02-01	1200 2024-02-01	1235.8 2018-07-01
Highest raw rating	1288.3 2019-01-01	1295.6 2019-01-01	755.2 2024-02-01	1030.2 2024-02-01
Highest weighted rating	1288.3 2024-02-01	1295.6 2024-02-01	755.2 2024-11-01	1030.2 2024-11-01
Highest weighted performance	1309.1 2018-02-01	1309.9 2018-02-01	1200 2024-02-01	1235.8 2018-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1277.6	1281.3	755.2	1030.2
Analysis
Rating	1277.6	1281.3	755.2	1030.2
Raw rating	1277.6	1281.3	755.2	1030.2
Weighted rating	1277.6	1281.3	755.2
Weighted performance	225	224.9	0
K-factor	36	36	40	40
Floor	788.3	795.6	500	530.2
Max/Min rating change allowed	148.5	147.7	312.5	211.2
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	1277.6	1281.3	755.2	1030.2
New weighted rating	1277.6	1281.3	755.2	1030
New weighted performance	224.6	224.5	0	0
Temp new rating	1277.6	1281.3	755.2	1030.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1277.6	1281.3	755.2	1030.2
New K-factor	36	36	40	40
New floor	788.3	795.6	500	530.2

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	183	160	23

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	125	71.5	57.2	61.2	1126.7	1187.9
Standard	102	58	56.86	58.3	1120.4	1178.7
Rapid	0	0	0	0	0	0
Blitz	23	13.5	58.7	73.9	1154.5	1228.5

Date	Main	Standard	Rapid	Blitz
2025-09-30	1277.6	1281.3	755.2	1030.2
2025-09-01	1277.6	1281.3	755.2	1030.2
2025-08-01	1277.6	1281.3	755.2	1030.2
2025-07-01	1277.6	1281.3	755.2	1030.2
2025-06-01	1277.6	1281.3	755.2	1030.2
2025-05-01	1277.6	1281.3	755.2	1030.2
2025-04-01	1277.6	1281.3	755.2	1030.2
2025-03-01	1277.6	1281.3	755.2	1030.2
2025-02-01	1277.6	1281.3	755.2	1030.2
2025-01-01	1277.6	1281.3	755.2	1030.2
2024-12-01	1277.6	1281.3	755.2	1030.2
2024-11-01	1277.6	1281.3	755.2	1030.2
2024-10-01	1277.6	1281.3	755.2	1030.2
2024-09-01	1277.6	1281.3	755.2	1030.2
2024-08-01	1277.6	1281.3	755.2	1030.2
2024-07-01	1277.6	1281.3	755.2	1030.2
2024-06-01	1277.6	1281.3	755.2	1030.2
2024-08-01	1277.6	1281.3	755.2	1030.2
2024-04-01	1277.6	1281.3	755.2	1030.2
2024-03-01	1277.6	1281.3	755.2	1030.2
2024-02-01	1277.6	1281.3	755.2	1030.2
2024-01-01	1277.6	1281.3	755.2	1030.2
2023-12-01	1277.6	1281.3	755.2	972
2023-11-01	1277.6	1281.3	755.2	972

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Inter Regional Chess Championship 2019 (U14)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
2	Mangaung Metro Chess 12 to 13 April 2019 (A)	2019-04-12	2019-04-13	Standard	Mangaung (FMB)	5	0	0	No	Analysis
3	Mangaung Metro Chess 15-16 March 2019 (A)	2019-03-15	2019-03-16	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis
4	Mangaung Metro Chess 18-19 January 2019 (A)	2019-01-18	2019-01-19	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
5	South African Junior Blitz 2018 (U14)	2018-12-19	2018-12-19	Blitz	4 Knights (4K)	7	7	3.5	Yes	Analysis
6	2018 Wild Card Chess Championships (U14 Open)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
7	South African Junior Team Championships 2018 (U14B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5.5	Yes	Analysis
8	Mangaung Metro Chess12 & 13 October 2018 (A)	2018-10-12	2018-10-13	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
9	Courteney Page 2018 (U18+Open)	2018-09-07	2018-09-08	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
10	Free State Open 2018 (B)	2018-08-17	2018-08-18	Standard	Mangaung (FMB)	6	6	4	Yes	Analysis
11	South African Open 2018 (B)	2018-07-07	2018-07-14	Standard	Mangaung (FMB)	11	11	5.5	Yes	Analysis
12	South African Open 2018 (Blitz)	2018-07-11	2018-07-11	Blitz	Mangaung (FMB)	9	9	3.5	Yes	Analysis
13	Mangaung Metro Chess 27-28 July 2018 (B)	2018-07-27	2018-07-28	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
14	Mangaung Metro Chess 1-2 June 2018 (B)	2018-06-01	2018-06-02	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
15	Inter Regional 2018 (U14 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	1.5	Yes	Analysis
16	Mangaung Metro Chess 20-21 April 2018 (B)	2018-04-20	2018-04-21	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
17	Smart Chess Blitz 2018 (U14)	2018-03-03	2018-03-03	Blitz	Mangaung (FMB)	7	7	6.5	Yes	Analysis
18	Mangaung Metro Chess 9 - 10 March 2018 (B)	2018-03-09	2018-03-10	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
19	Morris Club Challenge 2018	2018-02-17	2018-02-17	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
20	Mangaung Metro Chess 2 & 3 February 2018 (C)	2018-02-02	2018-02-03	Standard	Mangaung (FMB)	5	5	4.5	Yes	Analysis
21	Mangaung Metro Chess 19 & 20 January 2018 (D)	2018-01-19	2018-01-20	Standard	Mangaung (FMB)	5	5	5	Yes	Analysis
22	South African Junior Team Championships 2017 (U12A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	14	Tournament South African Junior Team Championships 2017				Tournament Morris Club Challenge 2018
		date 2018-01-08	rnd 7	type Standard	result 0.5	date 2018-02-17	rnd 3	type Standard	result 1
		Opponent Holmes, AM (Alex)				Opponent Bruwer, M (Marius)
2	9	Tournament South African Junior Team Championships 2018				Tournament South African Junior Blitz 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-19	rnd 3	type Blitz	result 1
		Opponent Van Heerden, J (Joshua)				Opponent Lamont, M (Michael)
3	8	Tournament Morris Club Challenge 2018				Tournament Smart Chess Blitz 2018
		date 2018-02-17	rnd 5	type Standard	result 1	date 2018-03-03	rnd 7	type Blitz	result 1
		Opponent Chikwe, T (Tumelo)				Opponent Taoana, P (Poloko)

#	Games	Start				End
1	14	Tournament South African Junior Team Championships 2017				Tournament Morris Club Challenge 2018
		date 2018-01-08	rnd 7	type Standard	result 0.5	date 2018-02-17	rnd 3	type Standard	result 1
		Opponent Holmes, AM (Alex)				Opponent Bruwer, M (Marius)
2	6	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Van Heerden, J (Joshua)				Opponent Leso, L (Lethabo)
3	4	Tournament Mangaung Metro Chess 1-2 June 2018				Tournament South African Open 2018
		date 2018-06-02	rnd 3	type Standard	result 1	date 2018-07-07	rnd 1	type Standard	result 0.5
		Opponent Moticoe, R (Reabetswe)				Opponent Dyzel, P (Pieter)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 1	type Blitz	result 1	date 2018-03-03	rnd 7	type Blitz	result 1
		Opponent Beelders, R (Ryan)				Opponent Taoana, P (Poloko)
2	4	Tournament South African Open 2018				Tournament South African Junior Blitz 2018
		date 2018-07-11	rnd 9	type Blitz	result 0.5	date 2018-12-19	rnd 3	type Blitz	result 1
		Opponent Goosen, P (Pierre)				Opponent Lamont, M (Michael)
3	2	Tournament South African Open 2018				Tournament South African Open 2018
		date 2018-07-11	rnd 5	type Blitz	result 1	date 2018-07-11	rnd 6	type Blitz	result 1
		Opponent Van Rooyen, H (Hanro)				Opponent Essop, R (Rashied)

#	Games	Start				End
1	8	Tournament Mangaung Metro Chess 19 & 20 January 2018				Tournament Mangaung Metro Chess 2 & 3 February 2018
		date 2018-01-19	rnd 1	type Standard	result 1	date 2018-02-03	rnd 3	type Standard	result 1
		Opponent Steenkamp, R (Rian)				Opponent Seromo, L (Leabua)
2	6	Tournament South African Junior Team Championships 2018				Tournament South African Junior Blitz 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-19	rnd 3	type Blitz	result 1
		Opponent Manikwa, R (Ryan)				Opponent Lamont, M (Michael)
3	4	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 4	type Blitz	result 1	date 2018-03-03	rnd 7	type Blitz	result 1
		Opponent Minnaar, A (Ammoret)				Opponent Taoana, P (Poloko)

#	Games	Start				End
1	8	Tournament Mangaung Metro Chess 19 & 20 January 2018				Tournament Mangaung Metro Chess 2 & 3 February 2018
		date 2018-01-19	rnd 1	type Standard	result 1	date 2018-02-03	rnd 3	type Standard	result 1
		Opponent Steenkamp, R (Rian)				Opponent Seromo, L (Leabua)
2	4	Tournament Mangaung Metro Chess 2 & 3 February 2018				Tournament Morris Club Challenge 2018
		date 2018-02-03	rnd 5	type Standard	result 1	date 2018-02-17	rnd 3	type Standard	result 1
		Opponent Venter, I (Imche)				Opponent Bruwer, M (Marius)
3	3	Tournament Mangaung Metro Chess 15-16 March 2019				Tournament Inter Regional Chess Championship 2019
		date 2019-03-16	rnd 5	type Standard	result 1	date 2019-05-10	rnd 2	type Standard	result 1
		Opponent Jordaan, C (Chandre)				Opponent Van Zyl, WH (Wilhelmus)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 4	type Blitz	result 1	date 2018-03-03	rnd 7	type Blitz	result 1
		Opponent Minnaar, A (Ammoret)				Opponent Taoana, P (Poloko)
2	3	Tournament South African Junior Blitz 2018				Tournament South African Junior Blitz 2018
		date 2018-12-19	rnd 1	type Blitz	result 1	date 2018-12-19	rnd 3	type Blitz	result 1
		Opponent Raymond, A (Ashlin)				Opponent Lamont, M (Michael)
3	2	Tournament South African Open 2018				Tournament South African Open 2018
		date 2018-07-11	rnd 5	type Blitz	result 1	date 2018-07-11	rnd 6	type Blitz	result 1
		Opponent Van Rooyen, H (Hanro)				Opponent Essop, R (Rashied)

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	Seromo ,L (Leabua)	4	2	0	4	2	0	0	0	0	0	0	0
1	Seromo ,L (Leabua)	4	1076.8	1076.8	4	1073.7	1076.8	0	0	0	0	0	0
2	Goosen ,P (Pierre)	4	2.5	106.2	3	2	141.7	0	0	0	1	0.5	0
2	Goosen ,P (Pierre)	4	1209.8	1316.1	3	1208.2	1351.5	0	0	0	1	1200	1209.8
3	Bosch ,A (Altus)	2	1	0	2	1	0	0	0	0	0	0	0
3	Bosch ,A (Altus)	2	1207.3	1207.3	2	1210.6	1207.3	0	0	0	0	0	0
4	Moshoeshoe ,M (Maletapata)	2	1	0	2	1	0	0	0	0	0	0	0
4	Moshoeshoe ,M (Maletapata)	2	937.1	937.1	2	923.4	937.1	0	0	0	0	0	0
5	Mantje ,K (Katleho)	2	1	0	2	1	0	0	0	0	0	0	0
5	Mantje ,K (Katleho)	2	1507.4	1507.4	2	1501.2	1507.4	0	0	0	0	0	0
6	Botes ,D (Dion)	2	2	425	2	2	425	0	0	0	0	0	0
6	Botes ,D (Dion)	2	1092.7	1517.7	2	1091.3	1517.7	0	0	0	0	0	0
7	Reddy ,T (Thacian)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Reddy ,T (Thacian)	2	1092.1	667.1	2	1107.9	667.1	0	0	0	0	0	0
8	Mohlomi ,M (Mahlomola)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Mohlomi ,M (Mahlomola)	2	1218.7	793.7	2	1219.8	793.7	0	0	0	0	0	0
9	Senatle ,K (Kamogelo)	2	2	425	2	2	425	0	0	0	0	0	0
9	Senatle ,K (Kamogelo)	2	1249.3	1674.3	2	1258.3	1674.3	0	0	0	0	0	0
10	Buchner ,E (Eduard)	2	1	0	2	1	0	0	0	0	0	0	0
10	Buchner ,E (Eduard)	2	1063.8	1063.8	2	1056.2	1063.8	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

Gertenbach, J (Jeandre)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms