Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lochner, C (Christiaan)

Chess SA id

1120103546

FIDE id

Date of birth

2012-07-02 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1157.6

Item	Main	Standard	Rapid	Blitz
Rating	1127.1	1119.6	1171.3	1200
Raw rating	1103.1	1090.6	1171.3	1200
Weighted rating	1127.1	1119.6	1168.2	1200
Weighted performance	977.3	969.5	0	0
Floor	706.7	709.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	190.4	193.8	172.7	165.8
Highest rating	1206.7 2025-04-01	1209.5 2025-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1206.7 2025-04-01	1209.5 2025-04-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1206.7 2018-02-01	1209.5 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1206.7 2025-04-01	1209.5 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.6	-1.9	0	0
New rating	1125.5	1117.7	1171.3	1200
Analysis
Rating	1127.1	1119.6	1171.3	1200
Raw rating	1103.1	1090.6	1171.3	1200
Weighted rating	1127.1	1119.6	1168.2
Weighted performance	977.3	969.5	0
K-factor	36	36	36	36
Floor	706.7	709.5	700	700
Max/Min rating change allowed	190.4	193.8	172.7	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	1103.1	1090.6	1171.3	1200
New weighted rating	1125.5	1117.7	1168.3	1200
New weighted performance	971.3	963.5	0	0
Temp new rating	1125.5	1117.7	1171.3	1200
Temp new rating +/-	-1.6	-1.9	0	0
Final new rating +/-	-1.6	-1.9	0	0
New rating	1125.5	1117.7	1171.3	1200
New K-factor	36	36	36	36
New floor	706.7	709.5	700	700

Item	Main	Standard	Rapid
	0	0	0
	24	24	0
	33	28	5
	0	0	0
	0	0	0
	0	0	0
History	62	57	5

Games since
	Main 57	Standard 52		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4429		1431		368
Male	3244		1056		282
U14	885		287		61
U14 Male	605		192		37
Standard
	RSA		Province		Region
Overall	4419		1573		392
Male	3234		1169		298
U14	882		315		63
U14 Male	597		213		39
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	24	8	33.33	-141.7	1238.3	1096.6
Standard	24	8	33.33	-141.7	1238.3	1096.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	62	19.5	31.45	-157.7	1239.9	1082.2
Standard	57	18.5	32.46	-149.1	1231.1	1082
Rapid	5	1	20	-255	1339.3	1084.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1103.1	1090.6	1171.3	1200
2025-09-30	1103.1	1090.6	1171.3	1200
2025-09-01	1103.1	1090.6	1171.3	1200
2025-08-01	1139.1	1126.3	1171.3	1200
2025-07-01	1139.1	1125.7	1171.3	1200
2025-06-01	1153	1136.1	1171.3	1200
2025-05-01	1206.7	1209.5	1171.3	1200
2025-04-01	1206.7	1209.5	1171.3	1200
2025-03-01	1142.5	1151	1171.3	1200
2025-02-01	1129.3	1134	1171.2	1200
2025-01-01	1129.3	1134	1158.6	1200
2024-12-01	1129.3	1134	1158.6	1200
2024-11-01	1129.3	1134	1158.6	1200
2024-10-01	1077.8	1062	1158.6	1200
2024-09-01	1077.8	1062	1158.6	1200
2024-08-01	1077.8	1062	1158.6	1200
2024-07-01	1077.8	1062	1158.6	1200
2024-09-01	1088.8	1074	1158.6	1200
2024-05-01	1088.8	1074	1158.6	1200
2024-04-01	1088.8	1074	1158.6	1200
2024-03-01	1111.7	1094.4	1200	1200
2024-02-01	1150.5	1140	1200	1200
2024-01-01	1150.5	1140	1200	1200
2023-12-01	1150.5	1140	1200	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	JMC Closed 2025 (U14)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
2	JMC Helpmekaar 2025 (D)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
3	JMC Crawford Sandton 2025 (D)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
4	2025 Chris Greyling Open Chess Tournament (D1)	2025-03-15	2025-03-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Closed 2025 (U14)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
2	JMC Helpmekaar 2025 (D)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
3	JMC Crawford Sandton 2025 (D)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
4	2025 Chris Greyling Open Chess Tournament (D1)	2025-03-15	2025-03-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
5	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
6	Fonteine Open 2024 (D)	2024-10-19	2024-10-19	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
7	Heidelberg Open 05 October 2024 (D)	2024-10-05	2024-10-05	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
8	JMC Trinityhouse Little Falls 2024 (D)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
9	CPH St Andrew's Rapid 2024 (B)	2024-03-30	2024-03-30	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
10	1st Knights Open Tournament 2024 (D)	2024-03-23	2024-03-23	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
11	JNW Open - Classic - Crawford 2024 (C)	2024-03-09	2024-03-09	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
12	2024 Constantiapark Open (D1)	2024-02-17	2024-02-17	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
13	Chessnuts Youth Day Chess Tournament 2018 (U8)	2018-06-16	2018-06-16	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament JMC Helpmekaar 2025				Tournament JMC Helpmekaar 2025
		date 2025-06-01	rnd 2	type Standard	result 1	date 2025-06-01	rnd 3	type Standard	result 0.5
		Opponent Block, R (Raphi)				Opponent Joule, J (Jessica)
2	2	Tournament 2025 Chris Greyling Open Chess Tournament				Tournament 2025 Chris Greyling Open Chess Tournament
		date 2025-03-15	rnd 4	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Van Schalkwyk, K (Kaylin)				Opponent Akole, S (Sara)
3	2	Tournament MCA Welcome 2025				Tournament 2025 Chris Greyling Open Chess Tournament
		date 2025-02-15	rnd 5	type Standard	result 0.5	date 2025-03-15	rnd 1	type Standard	result 1
		Opponent Hattingh, C (Christiaan)				Opponent De Abreu, V (Victor)

#	Games	Start				End
1	2	Tournament JMC Helpmekaar 2025				Tournament JMC Helpmekaar 2025
		date 2025-06-01	rnd 2	type Standard	result 1	date 2025-06-01	rnd 3	type Standard	result 0.5
		Opponent Block, R (Raphi)				Opponent Joule, J (Jessica)
2	2	Tournament 2025 Chris Greyling Open Chess Tournament				Tournament 2025 Chris Greyling Open Chess Tournament
		date 2025-03-15	rnd 4	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Van Schalkwyk, K (Kaylin)				Opponent Akole, S (Sara)
3	2	Tournament MCA Welcome 2025				Tournament 2025 Chris Greyling Open Chess Tournament
		date 2025-02-15	rnd 5	type Standard	result 0.5	date 2025-03-15	rnd 1	type Standard	result 1
		Opponent Hattingh, C (Christiaan)				Opponent De Abreu, V (Victor)

#	Games	Start				End
1	1	Tournament CPH St Andrew's Rapid 2024				Tournament CPH St Andrew's Rapid 2024
		date 2024-03-30	rnd 3	type Rapid	result 1	date 2024-03-30	rnd 3	type Rapid	result 1
		Opponent Matamela, M (Mukovhe)				Opponent Matamela, M (Mukovhe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2025 Chris Greyling Open Chess Tournament				Tournament 2025 Chris Greyling Open Chess Tournament
		date 2025-03-15	rnd 4	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Van Schalkwyk, K (Kaylin)				Opponent Akole, S (Sara)
2	2	Tournament MCA Welcome 2025				Tournament MCA Welcome 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Scott, L (Liam)				Opponent Ramadhan, I (Ira)
3	2	Tournament Fonteine Open 2024				Tournament Fonteine Open 2024
		date 2024-10-19	rnd 4	type Standard	result 1	date 2024-10-19	rnd 5	type Standard	result 1
		Opponent Menyatso, T (Thabo)				Opponent Mohapi, L (Lerato)

#	Games	Start				End
1	2	Tournament 2025 Chris Greyling Open Chess Tournament				Tournament 2025 Chris Greyling Open Chess Tournament
		date 2025-03-15	rnd 4	type Standard	result 1	date 2025-03-15	rnd 5	type Standard	result 1
		Opponent Van Schalkwyk, K (Kaylin)				Opponent Akole, S (Sara)
2	2	Tournament MCA Welcome 2025				Tournament MCA Welcome 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 1
		Opponent Scott, L (Liam)				Opponent Ramadhan, I (Ira)
3	2	Tournament Fonteine Open 2024				Tournament Fonteine Open 2024
		date 2024-10-19	rnd 4	type Standard	result 1	date 2024-10-19	rnd 5	type Standard	result 1
		Opponent Menyatso, T (Thabo)				Opponent Mohapi, L (Lerato)

#	Games	Start				End
1	1	Tournament CPH St Andrew's Rapid 2024				Tournament CPH St Andrew's Rapid 2024
		date 2024-03-30	rnd 3	type Rapid	result 1	date 2024-03-30	rnd 3	type Rapid	result 1
		Opponent Matamela, M (Mukovhe)				Opponent Matamela, M (Mukovhe)

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	Bijker ,X (Xander)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Bijker ,X (Xander)	2	1309.4	884.4	2	1309.8	884.4	0	0	0	0	0	0
2	Mnguni ,A (Aphile)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Mnguni ,A (Aphile)	2	1202.1	777.1	2	1200.3	777.1	0	0	0	0	0	0
3	Joule ,J (Jessica)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Joule ,J (Jessica)	2	1216.2	1003.7	2	1236.2	1003.7	0	0	0	0	0	0
4	Kolbe ,J (Jayton)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Kolbe ,J (Jayton)	2	1304.9	879.9	2	1297	879.9	0	0	0	0	0	0
5	Malan ,F (Franswa)	1	1	425	1	1	425	0	0	0	0	0	0
5	Malan ,F (Franswa)	1	1203	1628	1	1204.8	1628	0	0	0	0	0	0
6	Akole ,S (Sara)	1	1	425	1	1	425	0	0	0	0	0	0
6	Akole ,S (Sara)	1	1284.3	1709.3	1	1277	1709.3	0	0	0	0	0	0
7	Jansen Van Vuuren ,L (Lucas Cornelius)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Jansen Van Vuuren ,L (Lucas Cornelius)	1	1245.1	820.1	1	1248.6	820.1	0	0	0	0	0	0
8	Mohapi ,L (Lerato)	1	1	425	1	1	425	0	0	0	0	0	0
8	Mohapi ,L (Lerato)	1	1147.7	1572.7	1	1188.2	1572.7	0	0	0	0	0	0
9	Elsaigh ,A (Ali)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Elsaigh ,A (Ali)	1	1263.9	838.9	1	1263	838.9	0	0	0	0	0	0
10	Masiu ,L (Lawrence)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Masiu ,L (Lawrence)	1	1201.4	776.4	1	1206.1	776.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Lochner, C (Christiaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms