Chess South Africa Ratings Database

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Personal

Lottering, JG (Gerhard)

Chess SA id

109086205

FIDE id

Date of birth

2009-05-12 (U18)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1096.6	1074.6	1039.2	711
Raw rating	1096.6	1074.6	1039.2	711
Weighted rating	1094.9	1074.6	1037.9	711
Weighted performance	759.2	445.9	784.4	0
Floor	699.5	689.8	591.5	500
K-factor	40	40	40	40
Min/Max rating change allowed	192.1	198.3	208.5	332.8
Highest rating	1211.2 2019-02-01	1201.4 2019-02-01	1200 2020-01-01	1200 2018-02-01
Highest raw rating	1199.5 2019-03-01	1189.8 2019-03-01	1091.5 2024-02-01	711 2024-02-01
Highest weighted rating	1199.5 2024-11-01	1189.8 2024-11-01	1091.5 2024-11-01	711 2024-11-01
Highest weighted performance	1211.2 2019-02-01	1201.4 2019-02-01	1200 2020-01-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1096.6	1074.6	1039.2	711
Analysis
Rating	1096.6	1074.6	1039.2	711
Raw rating	1096.6	1074.6	1039.2	711
Weighted rating	1094.9	1074.6	1037.9
Weighted performance	759.2	445.9	784.4
K-factor	40	40	40	40
Floor	699.5	689.8	591.5	500
Max/Min rating change allowed	192.1	198.3	208.5	332.8
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	1096.6	1074.6	1039.2	711
New weighted rating	1094.8	1074.6	1037.4	711
New weighted performance	758.8	445.5	784.1	0
Temp new rating	1096.6	1074.6	1039.2	711
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1096.6	1074.6	1039.2	711
New K-factor	40	40	40	40
New floor	699.5	689.8	591.5	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	5	0	5	0
	25	5	20	0
	14	0	14	0
	0	0	0	0
History	195	143	39	13

Games since
	Main 15	Standard 0		Rapid 15		Blitz 0
Gender	Male
Age group	U18
Region	Mangaung (FMB)
Province	Free State (FS)
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	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	156	70	44.87	-43.6	1008.6	965.1
Standard	104	48.5	46.63	-28.6	935.2	906.6
Rapid	39	14.5	37.18	-109	1204.8	1095.8
Blitz	13	7	53.85	32.7	1007.8	1040.5

Date	Main	Standard	Rapid	Blitz
2025-09-30	1096.6	1074.6	1039.2	711
2025-09-01	1096.6	1074.6	1039.2	711
2025-08-01	1096.6	1074.6	1039.2	711
2025-07-01	1096.6	1074.6	1039.2	711
2025-06-01	1096.6	1074.6	1038.3	711
2025-05-01	1096.6	1074.6	1036.6	711
2025-04-01	1096.6	1074.6	1034.2	711
2025-03-01	1096.6	1074.6	1033.9	711
2025-02-01	1096.4	1074.6	1033.9	711
2025-01-01	1089.7	1074.6	1033.9	711
2024-12-01	1089.7	1074.6	1033.9	711
2024-11-01	1089.7	1074.6	1033.9	711
2024-10-01	1089.7	1074.6	1033.9	711
2024-09-01	1089.7	1074.6	1033.9	711
2024-08-01	1089.7	1074.6	1033.9	711
2024-07-01	1089.7	1074.6	1033.9	711
2024-06-01	1089.7	1074.6	1033.9	711
2024-08-01	1089.7	1074.6	1033.9	711
2024-04-01	1089.7	1074.6	1033.9	711
2024-03-01	1089.7	1074.6	1033.9	711
2024-02-01	1120.4	1074.6	1091.5	711
2024-01-01	1120.4	1074.6	1091.5	711
2023-12-01	1120.4	1074.6	1091.5	711
2023-11-01	1120.4	1074.6	1091.5	711

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	Bloemfontein High School League 16 February 2024 (U17A)	2024-02-16	2024-02-16	Rapid	Mangaung (FMB)	5	5	0	Yes	Analysis
2	Bloemfontein HS League 13 October 2023 (U17+U19)	2023-10-13	2023-10-13	Rapid	Mangaung (FMB)	5	5	1.5	Yes	Analysis
3	Bloemfontein HS League 27 October 2023 (U13-U17)	2023-10-27	2023-10-27	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
4	Bloemfontein League 25 August 2023 (U17+U19B)	2023-08-25	2023-08-25	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
5	Inter Regional Chess Championship 2023 (U16)	2023-05-19	2023-05-20	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
6	Kings & Queens Chess 21 January 2023 (B)	2023-01-21	2023-01-21	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
7	Mangaung Metro Chess 13 August 2022 (B)	2022-08-13	2022-08-13	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
8	Mangaung Metro Chess 30 July 2022 (B)	2022-07-30	2022-07-30	Rapid	Mangaung (FMB)	5	4	0	Yes	Analysis
9	Mangaung Metro Chess 22 January 2022 (B)	2022-01-22	2022-01-22	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
10	Smart Chess Blitz 2020 (U10+U12)	2020-02-29	2020-02-29	Blitz	Mangaung (FMB)	7	7	4	Yes	Analysis
11	Mangaung Metro Chess February 2020 (C)	2020-02-21	2020-02-22	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
12	Mangaung Metro Chess 17-18 January 2020 (C)	2020-01-17	2020-01-18	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
13	Mangaung Metro July Trials 2019 (U12)	2019-07-19	2019-07-20	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
14	Inter Regional Chess Championship 2019 (U12)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
15	Mangaung Metro Chess 12 to 13 April 2019 (D)	2019-04-12	2019-04-13	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
16	Mangaung Metro Chess 15-16 March 2019 (D)	2019-03-15	2019-03-16	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
17	Mangaung Metro Chess 1-2 February 2019 (E)	2019-02-01	2019-02-02	Standard	Mangaung (FMB)	5	4	3.5	Yes	Analysis
18	Mangaung Metro Chess 18-19 January 2019 (E)	2019-01-18	2019-01-19	Standard	Mangaung (FMB)	5	5	5	Yes	Analysis
19	South African Junior Team Championships 2018 (U10C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
20	Mangaung Metro Chess12 & 13 October 2018 (D)	2018-10-12	2018-10-13	Standard	Mangaung (FMB)	5	4	0	Yes	Analysis
21	Courteney Page 2018 (U10)	2018-09-07	2018-09-08	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
22	South African Open 2018 (C)	2018-07-11	2018-07-13	Standard	Mangaung (FMB)	6	6	2	Yes	Analysis
23	Mangaung Metro Chess 27-28 July 2018 (E)	2018-07-27	2018-07-28	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
24	Mangaung Metro Chess 1-2 June 2018 (E)	2018-06-01	2018-06-02	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
25	Inter Regional 2018 (U10 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	4	1.5	Yes	Analysis
26	Mangaung Metro Chess 20-21 April 2018 (D)	2018-04-20	2018-04-21	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
27	Smart Chess Blitz 2018 (U10)	2018-03-03	2018-03-03	Blitz	Mangaung (FMB)	7	6	3	Yes	Analysis
28	Mangaung Metro Chess 9 - 10 March 2018 (D)	2018-03-09	2018-03-10	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
29	Mangaung Metro Chess 2 & 3 February 2018 (E)	2018-02-02	2018-02-03	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
30	Mangaung Metro Chess 19 & 20 January 2018 (E)	2018-01-19	2018-01-20	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis
31	South African Junior Team Championships 2017 (U10B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	0	Yes	Analysis

#	Games	Start				End
1	10	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess 15-16 March 2019
		date 2019-01-18	rnd 1	type Standard	result 1	date 2019-03-15	rnd 1	type Standard	result 1
		Opponent Finger, T (Tsebo)				Opponent Xaba, B (Boitumelo)
2	4	Tournament Bloemfontein HS League 13 October 2023				Tournament Bloemfontein HS League 27 October 2023
		date 2023-10-13	rnd 5	type Rapid	result 1	date 2023-10-27	rnd 3	type Rapid	result 1
		Opponent Pretorius, J (Jaden)				Opponent Beelders, K (Kyra)
3	4	Tournament Courteney Page 2018				Tournament Courteney Page 2018
		date 2018-09-07	rnd 2	type Standard	result 1	date 2018-09-08	rnd 5	type Standard	result 1
		Opponent Moalosi, P (Palesa)				Opponent Geyser, H (Heinrich)

#	Games	Start				End
1	10	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess 15-16 March 2019
		date 2019-01-18	rnd 1	type Standard	result 1	date 2019-03-15	rnd 1	type Standard	result 1
		Opponent Finger, T (Tsebo)				Opponent Xaba, B (Boitumelo)
2	4	Tournament Courteney Page 2018				Tournament Courteney Page 2018
		date 2018-09-07	rnd 2	type Standard	result 1	date 2018-09-08	rnd 5	type Standard	result 1
		Opponent Moalosi, P (Palesa)				Opponent Geyser, H (Heinrich)
3	4	Tournament Mangaung Metro Chess 2 & 3 February 2018				Tournament Mangaung Metro Chess 2 & 3 February 2018
		date 2018-02-02	rnd 1	type Standard	result 1	date 2018-02-03	rnd 4	type Standard	result 1
		Opponent Nel, L (Lizelle)				Opponent Bouwer, L (Luan)

#	Games	Start				End
1	4	Tournament Bloemfontein HS League 13 October 2023				Tournament Bloemfontein HS League 27 October 2023
		date 2023-10-13	rnd 5	type Rapid	result 1	date 2023-10-27	rnd 3	type Rapid	result 1
		Opponent Pretorius, J (Jaden)				Opponent Beelders, K (Kyra)
2	2	Tournament Kings & Queens Chess 21 January 2023				Tournament Bloemfontein League 25 August 2023
		date 2023-01-21	rnd 5	type Rapid	result 1	date 2023-08-25	rnd 1	type Rapid	result 1
		Opponent Morobi, K (Kananelo)				Opponent Knoetze, D (Danica)
3	2	Tournament Mangaung Metro Chess 13 August 2022				Tournament Mangaung Metro Chess 13 August 2022
		date 2022-08-13	rnd 3	type Rapid	result 1	date 2022-08-13	rnd 4	type Rapid	result 1
		Opponent Molatuoa, L (Liteboho)				Opponent Lekhesi, L (Lehlohonolo)

#	Games	Start				End
1	3	Tournament Smart Chess Blitz 2020				Tournament Smart Chess Blitz 2020
		date 2020-02-29	rnd 5	type Blitz	result 1	date 2020-02-29	rnd 7	type Blitz	result 1
		Opponent Kahts, A (Annika)				Opponent Boje, E (Ewald)
2	1	Tournament Smart Chess Blitz 2020				Tournament Smart Chess Blitz 2020
		date 2020-02-29	rnd 2	type Blitz	result 1	date 2020-02-29	rnd 2	type Blitz	result 1
		Opponent Nkosi, B (Bonolo)				Opponent Nkosi, B (Bonolo)
3	1	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 7	type Blitz	result 1	date 2018-03-03	rnd 7	type Blitz	result 1
		Opponent Van Der Merwe, G (Germari)				Opponent Van Der Merwe, G (Germari)

#	Games	Start				End
1	8	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess 1-2 February 2019
		date 2019-01-18	rnd 1	type Standard	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Finger, T (Tsebo)				Opponent Kotze, R (Ruan)
2	4	Tournament Bloemfontein HS League 13 October 2023				Tournament Bloemfontein HS League 27 October 2023
		date 2023-10-13	rnd 5	type Rapid	result 1	date 2023-10-27	rnd 3	type Rapid	result 1
		Opponent Pretorius, J (Jaden)				Opponent Beelders, K (Kyra)
3	4	Tournament Courteney Page 2018				Tournament Courteney Page 2018
		date 2018-09-07	rnd 2	type Standard	result 1	date 2018-09-08	rnd 5	type Standard	result 1
		Opponent Moalosi, P (Palesa)				Opponent Geyser, H (Heinrich)

#	Games	Start				End
1	8	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess 1-2 February 2019
		date 2019-01-18	rnd 1	type Standard	result 1	date 2019-02-02	rnd 4	type Standard	result 1
		Opponent Finger, T (Tsebo)				Opponent Kotze, R (Ruan)
2	4	Tournament Courteney Page 2018				Tournament Courteney Page 2018
		date 2018-09-07	rnd 2	type Standard	result 1	date 2018-09-08	rnd 5	type Standard	result 1
		Opponent Moalosi, P (Palesa)				Opponent Geyser, H (Heinrich)
3	4	Tournament Mangaung Metro Chess 2 & 3 February 2018				Tournament Mangaung Metro Chess 2 & 3 February 2018
		date 2018-02-02	rnd 1	type Standard	result 1	date 2018-02-03	rnd 4	type Standard	result 1
		Opponent Nel, L (Lizelle)				Opponent Bouwer, L (Luan)

#	Games	Start				End
1	4	Tournament Bloemfontein HS League 13 October 2023				Tournament Bloemfontein HS League 27 October 2023
		date 2023-10-13	rnd 5	type Rapid	result 1	date 2023-10-27	rnd 3	type Rapid	result 1
		Opponent Pretorius, J (Jaden)				Opponent Beelders, K (Kyra)
2	2	Tournament Kings & Queens Chess 21 January 2023				Tournament Bloemfontein League 25 August 2023
		date 2023-01-21	rnd 5	type Rapid	result 1	date 2023-08-25	rnd 1	type Rapid	result 1
		Opponent Morobi, K (Kananelo)				Opponent Knoetze, D (Danica)
3	2	Tournament Mangaung Metro Chess 13 August 2022				Tournament Mangaung Metro Chess 13 August 2022
		date 2022-08-13	rnd 3	type Rapid	result 1	date 2022-08-13	rnd 4	type Rapid	result 1
		Opponent Molatuoa, L (Liteboho)				Opponent Lekhesi, L (Lehlohonolo)

#	Games	Start				End
1	3	Tournament Smart Chess Blitz 2020				Tournament Smart Chess Blitz 2020
		date 2020-02-29	rnd 5	type Blitz	result 1	date 2020-02-29	rnd 7	type Blitz	result 1
		Opponent Kahts, A (Annika)				Opponent Boje, E (Ewald)
2	1	Tournament Smart Chess Blitz 2020				Tournament Smart Chess Blitz 2020
		date 2020-02-29	rnd 2	type Blitz	result 1	date 2020-02-29	rnd 2	type Blitz	result 1
		Opponent Nkosi, B (Bonolo)				Opponent Nkosi, B (Bonolo)
3	1	Tournament Smart Chess Blitz 2018				Tournament Smart Chess Blitz 2018
		date 2018-03-03	rnd 7	type Blitz	result 1	date 2018-03-03	rnd 7	type Blitz	result 1
		Opponent Van Der Merwe, G (Germari)				Opponent Van Der Merwe, G (Germari)

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	Boje ,E (Ewald)	5	5	425	3	3	425	0	0	0	2	2	425
1	Boje ,E (Ewald)	5	973.7	1398.7	3	1017.1	1398.7	0	0	0	2	551.2	1398.7
2	Bouwer ,L (Luan)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
2	Bouwer ,L (Luan)	4	759.2	971.8	4	758.2	971.8	0	0	0	0	0	0
3	Geyser ,H (Heinrich)	3	3	425	3	3	425	0	0	0	0	0	0
3	Geyser ,H (Heinrich)	3	1080.5	1505.5	3	1089.7	1505.5	0	0	0	0	0	0
4	Janse Van Rensburg ,M (Michelle)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Janse Van Rensburg ,M (Michelle)	3	877.2	1018.9	3	871.1	1018.9	0	0	0	0	0	0
5	Swanepoel ,W (Wj)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
5	Swanepoel ,W (Wj)	3	1200.9	1059.2	2	1175.7	1200.9	1	1177.6	775.9	0	0	0
6	Chabeli ,T (Tshepo)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
6	Chabeli ,T (Tshepo)	3	1177.8	1036.1	2	1111.7	1177.8	1	1203.2	752.8	0	0	0
7	Van Rensburg ,M (Malan)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
7	Van Rensburg ,M (Malan)	3	926.2	784.5	2	832.5	926.2	1	819.4	501.2	0	0	0
8	Mpakama ,J (Junior)	3	0	-425	1	0	-425	1	0	-425	1	0	-425
8	Mpakama ,J (Junior)	3	1182.2	757.2	1	1154.1	757.2	1	1200	757.2	1	1200	757.2
9	Kotze ,R (Ruan)	3	2	141.7	1	1	425	1	1	425	1	0	-425
9	Kotze ,R (Ruan)	3	987.9	1129.5	1	932.5	1412.9	1	668.2	1412.9	1	668.2	562.9
10	Liversage ,S (Samuel)	2	1	0	2	1	0	0	0	0	0	0	0
10	Liversage ,S (Samuel)	2	773.2	773.2	2	775.8	773.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Lottering, JG (Gerhard)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms