Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lotter, CJ (Christiaan Johannes)

Chess SA id

108073056

FIDE id

Date of birth

2008-07-24 (U18)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1273.7	1288.3	671.4	539.8
Raw rating	1273.7	1288.3	671.4	539.8
Weighted rating	1240.8	1248.2	671.4	539.8
Weighted performance	915.7	836.3	0	0
Floor	773.7	788.3	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	149.3	146.2	352.1	424.7
Highest rating	1273.7 2025-06-01	1288.3 2025-06-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	1273.7 2025-06-01	1288.3 2025-06-01	671.4 2024-02-01	539.8 2024-02-01
Highest weighted rating	1233.7 2025-08-01	1239.6 2025-08-01	671.4 2024-11-01	539.8 2024-11-01
Highest weighted performance	1214.2 2023-07-01	1200 2024-12-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1273.7	1288.3	671.4	539.8
Analysis
Rating	1273.7	1288.3	671.4	539.8
Raw rating	1273.7	1288.3	671.4	539.8
Weighted rating	1240.8	1248.2	671.4
Weighted performance	915.7	836.3	0
K-factor	36	36	40	40
Floor	773.7	788.3	500	500
Max/Min rating change allowed	149.3	146.2	352.1	424.7
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	1273.7	1288.3	671.4	539.8
New weighted rating	1244.1	1252.2	671.4	539.8
New weighted performance	915.2	835.8	0	0
Temp new rating	1273.7	1288.3	671.4	539.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1273.7	1288.3	671.4	539.8
New K-factor	36	36	40	40
New floor	773.7	788.3	500	500

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	0	0	0
	7	7	0
	4	0	4
	0	0	0
History	152	133	19

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	5	4	80	255	1256	1511
Standard	5	4	80	255	1256	1511
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	106	51	48.11	-16	1072.9	1056.9
Standard	92	46	50	0	1060.9	1060.9
Rapid	14	5	35.71	-121.4	1151.9	1030.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1273.7	1288.3	671.4	539.8
2025-09-01	1273.7	1288.3	671.4	539.8
2025-08-01	1273.7	1288.3	671.4	539.8
2025-07-01	1273.7	1288.3	671.4	539.8
2025-06-01	1273.7	1288.3	671.4	539.8
2025-05-01	1221.7	1225	671.4	539.8
2025-04-01	1221.7	1225	671.4	539.8
2025-03-01	1221.7	1225	671.4	539.8
2025-02-01	1221.7	1225	671.4	539.8
2025-01-01	1221.7	1225	671.4	539.8
2024-12-01	1221.7	1225	671.4	539.8
2024-11-01	1221.7	1225	671.4	539.8
2024-10-01	1221.7	1225	671.4	539.8
2024-09-01	1221.7	1225	671.4	539.8
2024-08-01	1221.7	1225	671.4	539.8
2024-07-01	1221.7	1225	671.4	539.8
2024-06-01	1221.7	1225	671.4	539.8
2024-08-01	1221.7	1225	671.4	539.8
2024-04-01	1221.7	1225	671.4	539.8
2024-03-01	1221.7	1225	671.4	539.8
2024-02-01	1221.7	1225	671.4	539.8
2024-01-01	1221.7	1225	671.4	539.8
2023-12-01	1221.7	1225	671.4	539.8
2023-11-01	1221.7	1225	671.4	539.8

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	Curro Open Chess Tournament 2025 (U20)	2025-05-10	2025-05-10	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Curro Open Chess Tournament 2025 (U20)	2025-05-10	2025-05-10	Standard	Ehlanzeni (MEN)	5	5	4	Yes	Analysis
2	Interhigh 2023 (U15)	2023-07-29	2023-07-29	Standard	Ehlanzeni (MEN)	3	2	2	Yes	Analysis
3	Penryn Chess Tournament 2023 (U16)	2023-02-11	2023-02-11	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
4	Mpumalanga Finaal 2022 (O15)	2022-08-22	2022-08-22	Rapid	Gert Sibande (MGS)	5	4	2	Yes	Analysis
5	Chess Unlimited Leap Year Tournament 2020 (A)	2020-02-29	2020-02-29	Standard	Ehlanzeni (MEN)	5	3	1	Yes	Analysis
6	2019 Lardies Open (D)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
7	2019 Mid-Gauteng Open (D)	2019-08-17	2019-08-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
8	2019 Menlo Open (C)	2019-07-13	2019-07-13	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
9	2019 D4 Tshwane South Schools League Team Finals (U13)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
10	2019 Super 12 Laerskole (Seniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis
11	2019 Lubowski Open Tournament (C)	2019-05-11	2019-05-12	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
12	2019 D4 Individual Finals (U11 Mixed)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
13	2019 TuksChess Open (C)	2019-02-23	2019-02-23	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
14	2019 Constantia Park Open (D)	2019-02-09	2019-02-09	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
15	South African Junior Team Championships 2018 (U12C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
16	2018 Lardies Ope (D)	2018-10-27	2018-10-27	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
17	2018 Etienne Lewis Trials (U12 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	6	0	Yes	Analysis
18	2018 Lubowski Open (D)	2018-05-12	2018-05-12	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
19	2018 Super 12 (Junior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	1	Yes	Analysis
20	2018 D4 Tshwane North Individual Chess Championships (U11 Boys)	2018-03-10	2018-03-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
21	2018 Constantia Park Open (D)	2018-02-10	2018-02-10	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
22	2018 Tshwane Registration Open Chess Tournament (D)	2018-01-27	2018-01-27	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2019 Mid-Gauteng Open				Tournament 2019 Lardies Open
		date 2019-08-17	rnd 5	type Standard	result 1	date 2019-10-26	rnd 5	type Standard	result 1
		Opponent Mbogoma, E (Ethan)				Opponent Grobler, S (Stephan)
2	5	Tournament 2018 Lardies Ope				Tournament South African Junior Team Championships 2018
		date 2018-10-27	rnd 2	type Standard	result 1	date 2018-12-16	rnd 1	type Standard	result 1
		Opponent Henning, T (Tiaan)				Opponent Nkuna, L (Lithalethu)
3	4	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Malapane, T (Tshepo)				Opponent Lotter, AJ (Albertus Johannes)

#	Games	Start				End
1	6	Tournament 2019 Mid-Gauteng Open				Tournament 2019 Lardies Open
		date 2019-08-17	rnd 5	type Standard	result 1	date 2019-10-26	rnd 5	type Standard	result 1
		Opponent Mbogoma, E (Ethan)				Opponent Grobler, S (Stephan)
2	5	Tournament 2018 Lardies Ope				Tournament South African Junior Team Championships 2018
		date 2018-10-27	rnd 2	type Standard	result 1	date 2018-12-16	rnd 1	type Standard	result 1
		Opponent Henning, T (Tiaan)				Opponent Nkuna, L (Lithalethu)
3	4	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Malapane, T (Tshepo)				Opponent Lotter, AJ (Albertus Johannes)

#	Games	Start				End
1	2	Tournament Mpumalanga Finaal 2022				Tournament Mpumalanga Finaal 2022
		date 2022-08-22	rnd 2	type Rapid	result 1	date 2022-08-22	rnd 3	type Rapid	result 1
		Opponent Mlaba, M (Mamello)				Opponent Bhika, J (Jyotikka)
2	2	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 2	type Rapid	result 1
		Opponent Van Der Westhuizen, E (Ethan)				Opponent Hoon, E (Eric)
3	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 3	type Rapid	result 1	date 2018-05-05	rnd 3	type Rapid	result 1
		Opponent Burke, KA (Kiara Angelique)				Opponent Burke, KA (Kiara Angelique)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament 2019 Mid-Gauteng Open				Tournament 2019 Lardies Open
		date 2019-08-17	rnd 5	type Standard	result 1	date 2019-10-26	rnd 5	type Standard	result 1
		Opponent Mbogoma, E (Ethan)				Opponent Grobler, S (Stephan)
2	4	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Malapane, T (Tshepo)				Opponent Lotter, AJ (Albertus Johannes)
3	4	Tournament 2019 D4 Individual Finals				Tournament 2019 Super 12 Laerskole
		date 2019-03-09	rnd 4	type Standard	result 1	date 2019-05-04	rnd 2	type Rapid	result 1
		Opponent Nayagar, Y (Yashiel)				Opponent Hoon, E (Eric)

#	Games	Start				End
1	6	Tournament 2019 Mid-Gauteng Open				Tournament 2019 Lardies Open
		date 2019-08-17	rnd 5	type Standard	result 1	date 2019-10-26	rnd 5	type Standard	result 1
		Opponent Mbogoma, E (Ethan)				Opponent Grobler, S (Stephan)
2	4	Tournament Curro Open Chess Tournament 2025				Tournament Curro Open Chess Tournament 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 5	type Standard	result 1
		Opponent Malapane, T (Tshepo)				Opponent Lotter, AJ (Albertus Johannes)
3	4	Tournament Chess Unlimited Leap Year Tournament 2020				Tournament Penryn Chess Tournament 2023
		date 2020-02-29	rnd 3	type Standard	result 1	date 2023-02-11	rnd 3	type Standard	result 1
		Opponent Khiba, R (Retsepile)				Opponent Clarke, C (Cameron)

#	Games	Start				End
1	2	Tournament Mpumalanga Finaal 2022				Tournament Mpumalanga Finaal 2022
		date 2022-08-22	rnd 2	type Rapid	result 1	date 2022-08-22	rnd 3	type Rapid	result 1
		Opponent Mlaba, M (Mamello)				Opponent Bhika, J (Jyotikka)
2	2	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 2	type Rapid	result 1
		Opponent Van Der Westhuizen, E (Ethan)				Opponent Hoon, E (Eric)
3	1	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 3	type Rapid	result 1	date 2018-05-05	rnd 3	type Rapid	result 1
		Opponent Burke, KA (Kiara Angelique)				Opponent Burke, KA (Kiara Angelique)

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	Lotter ,AJ (Albertus Johannes)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Lotter ,AJ (Albertus Johannes)	4	1054.8	842.2	4	1052.7	842.2	0	0	0	0	0	0
2	Eygelaar ,L (Leila)	2	2	425	2	2	425	0	0	0	0	0	0
2	Eygelaar ,L (Leila)	2	1135.6	1560.6	2	1122.4	1560.6	0	0	0	0	0	0
3	Jacobs ,A (Angelo)	2	1	0	2	1	0	0	0	0	0	0	0
3	Jacobs ,A (Angelo)	2	1081.9	1081.9	2	1072.7	1081.9	0	0	0	0	0	0
4	Venter ,D (Dian)	2	1	0	2	1	0	0	0	0	0	0	0
4	Venter ,D (Dian)	2	999.3	999.3	2	976.4	999.3	0	0	0	0	0	0
5	Macdonald ,I (Ian)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Macdonald ,I (Ian)	2	1333.8	908.8	2	1340.9	908.8	0	0	0	0	0	0
6	Swart ,SN (Sebastiaan Nicolaas)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Swart ,SN (Sebastiaan Nicolaas)	2	850.1	425.1	2	846.1	425.1	0	0	0	0	0	0
7	Van Der Merwe ,C (Clara)	2	2	425	2	2	425	0	0	0	0	0	0
7	Van Der Merwe ,C (Clara)	2	1051.8	1476.8	2	1032.1	1476.8	0	0	0	0	0	0
8	Erlank ,BG (Brandon Graham)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Erlank ,BG (Brandon Graham)	2	818.8	606.3	2	809.3	606.3	0	0	0	0	0	0
9	Gruenenfelder ,W (Werni)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Gruenenfelder ,W (Werni)	2	975.9	1188.4	2	952.8	1188.4	0	0	0	0	0	0
10	Grunenfelder ,S (Stiaan Bosua)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
10	Grunenfelder ,S (Stiaan Bosua)	2	1119.9	907.4	2	1112.2	907.4	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

Lotter, CJ (Christiaan Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms