Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lotz, R (Renaldo)

Chess SA id

1130150702

FIDE id

Date of birth

2013-09-24 (U14)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1193.7	1172.9	1226	1248.8
Raw rating	1193.7	1172.9	1226	1248.8
Weighted rating	1193.5	1170.9	1225	1246.5
Weighted performance	982.9	0	0	0
Floor	720.2	700	726	748.8
K-factor	36	36	36	36
Min/Max rating change allowed	167.3	172.3	159.8	154.7
Highest rating	1220.2 2024-03-01	1200 2018-10-01	1272.7 2024-02-01	1373.8 2023-09-01
Highest raw rating	1220.2 2024-03-01	1200 2019-12-01	1226 2024-03-01	1248.8 2024-11-01
Highest weighted rating	1220.2 2018-10-01	1200 2018-10-01	1222.7 2025-08-01	1245.2 2025-08-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1272.7 2024-02-01	1373.8 2023-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1193.7	1172.9	1226	1248.8
Analysis
Rating	1193.7	1172.9	1226	1248.8
Raw rating	1193.7	1172.9	1226	1248.8
Weighted rating	1193.5	1170.9	1225
Weighted performance	982.9	0	0
K-factor	36	36	36	36
Floor	720.2	700	726	748.8
Max/Min rating change allowed	167.3	172.3	159.8	154.7
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	1193.7	1172.9	1226	1248.8
New weighted rating	1193.5	1170.9	1225.5	1246.9
New weighted performance	976.3	0	0	0
Temp new rating	1193.7	1172.9	1226	1248.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1193.7	1172.9	1226	1248.8
New K-factor	36	36	36	36
New floor	720.2	700	726	748.8

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	5	5	0	0
	18	9	4	5
	14	4	5	5
	0	0	0	0
	0	0	0	0
History	37	18	9	10

Games since
	Main 23	Standard 14		Rapid 4		Blitz 5
Gender	Male
Age group	U14
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
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	5	2	40	-85	1209.6	1124.6
Standard	5	2	40	-85	1209.6	1124.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	37	18.5	50	0	1202.3	1202.3
Standard	18	7	38.89	-94.4	1217.9	1123.4
Rapid	9	5	55.56	47.2	1207.6	1254.9
Blitz	10	6.5	65	127.5	1169.4	1296.9

Date	Main	Standard	Rapid	Blitz
2025-11-01	1193.7	1172.9	1226	1248.8
2025-09-30	1193.7	1172.9	1226	1248.8
2025-09-01	1193.7	1172.9	1226	1248.8
2025-08-01	1193.7	1172.9	1226	1248.8
2025-07-01	1193.7	1172.9	1226	1248.8
2025-06-01	1193.7	1172.9	1226	1248.8
2025-05-01	1193.6	1172.9	1226	1248.8
2025-04-01	1192.7	1172.6	1226	1248.8
2025-03-01	1193.7	1174.3	1226	1248.8
2025-02-01	1193.6	1174.1	1226	1248.8
2025-01-01	1192.1	1162.4	1226	1248.8
2024-12-01	1192.1	1162.4	1226	1248.8
2024-11-01	1192.1	1162.4	1226	1248.8
2024-10-01	1189.1	1162.4	1226	1238.4
2024-09-01	1189.1	1162.4	1226	1238.4
2024-08-01	1189.1	1162.4	1226	1238.4
2024-07-01	1196.3	1166.8	1226	1238.4
2024-09-01	1196.3	1166.8	1226	1238.4
2024-05-01	1196.3	1166.8	1226	1238.4
2024-04-01	1196.3	1166.8	1226	1238.4
2024-03-01	1220.2	1197.6	1226	1238.4
2024-02-01	1192.8	1197.6	1178.4	1238.4
2024-01-01	1192.8	1197.6	1178.4	1238.4
2023-12-01	1192.8	1197.6	1178.4	1238.4

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	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Schools - PS Closed 2025 (U13 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
2	Overberg October Chess Festival 2024 (C)	2024-10-17	2024-10-17	Blitz	Overberg (WOS)	5	5	3	Yes	Analysis
3	Overberg Schools - Top Schools 2024 (U13 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
4	Overberg Schools - PS Closed 2024 (U11 Boys)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
5	Overberg Swellendam Primary Schools Zone Trails Region 2 2024 (U9+U11)	2024-02-10	2024-02-10	Rapid	Overberg (WOS)	5	4	3	Yes	Analysis
6	VRT Pitt Sports Day Tournament 2023	2023-09-09	2023-09-09	Blitz	Overberg (WOS)	5	5	3.5	Yes	Analysis
7	Overberg Top Schools 2023 (U13)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
8	Overberg Schools Swellendam Zone Trails 2023 (U13)	2023-02-16	2023-03-02	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament VRT Pitt Sports Day Tournament 2023				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2023-09-09	rnd 1	type Blitz	result 0.5	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Balelo, Z (Zimkhita)				Opponent Extroo, J (Joshua)
2	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Slingers, B (Brendon)				Opponent Besuidenhout, K (Kendall)
3	2	Tournament Overberg October Chess Festival 2024				Tournament Overberg October Chess Festival 2024
		date 2024-10-17	rnd 2	type Blitz	result 1	date 2024-10-17	rnd 3	type Blitz	result 1
		Opponent Bonde, D (Divine)				Opponent Fredericks, T (Tedross)

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Slingers, B (Brendon)				Opponent Besuidenhout, K (Kendall)
2	2	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Beyers, S (Skylar)				Opponent Mong, B (Bernardus Johannes)
3	2	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 4	type Standard	result 1
		Opponent Swart, J (Jayden)				Opponent Groenewald, L (Libby)

#	Games	Start				End
1	2	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Grundlingh, M (Menke Kari)				Opponent Lombaard, D (Duwin)
2	1	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Extroo, J (Joshua)				Opponent Extroo, J (Joshua)
3	1	Tournament Overberg Schools Swellendam Zone Trails 2023				Tournament Overberg Schools Swellendam Zone Trails 2023
		date 2023-03-02	rnd 4	type Rapid	result 1	date 2023-03-02	rnd 4	type Rapid	result 1
		Opponent Windvoel, J (Junay)				Opponent Windvoel, J (Junay)

#	Games	Start				End
1	5	Tournament VRT Pitt Sports Day Tournament 2023				Tournament VRT Pitt Sports Day Tournament 2023
		date 2023-09-09	rnd 1	type Blitz	result 0.5	date 2023-09-09	rnd 5	type Blitz	result 1
		Opponent Balelo, Z (Zimkhita)				Opponent Pekeur, A (Andrew)
2	2	Tournament Overberg October Chess Festival 2024				Tournament Overberg October Chess Festival 2024
		date 2024-10-17	rnd 2	type Blitz	result 1	date 2024-10-17	rnd 3	type Blitz	result 1
		Opponent Bonde, D (Divine)				Opponent Fredericks, T (Tedross)
3	1	Tournament Overberg October Chess Festival 2024				Tournament Overberg October Chess Festival 2024
		date 2024-10-17	rnd 5	type Blitz	result 1	date 2024-10-17	rnd 5	type Blitz	result 1
		Opponent Jacobs, N (Niquin)				Opponent Jacobs, N (Niquin)

#	Games	Start				End
1	3	Tournament VRT Pitt Sports Day Tournament 2023				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2023-09-09	rnd 4	type Blitz	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Gumbato, B (Blessed)				Opponent Extroo, J (Joshua)
2	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Slingers, B (Brendon)				Opponent Besuidenhout, K (Kendall)
3	2	Tournament Overberg October Chess Festival 2024				Tournament Overberg October Chess Festival 2024
		date 2024-10-17	rnd 2	type Blitz	result 1	date 2024-10-17	rnd 3	type Blitz	result 1
		Opponent Bonde, D (Divine)				Opponent Fredericks, T (Tedross)

#	Games	Start				End
1	2	Tournament Overberg Schools - PS Closed 2025				Tournament Overberg Schools - PS Closed 2025
		date 2025-03-08	rnd 4	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Slingers, B (Brendon)				Opponent Besuidenhout, K (Kendall)
2	2	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 3	type Standard	result 1	date 2024-07-27	rnd 4	type Standard	result 1
		Opponent Beyers, S (Skylar)				Opponent Mong, B (Bernardus Johannes)
3	2	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 4	type Standard	result 1
		Opponent Swart, J (Jayden)				Opponent Groenewald, L (Libby)

#	Games	Start				End
1	2	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 5	type Rapid	result 1
		Opponent Grundlingh, M (Menke Kari)				Opponent Lombaard, D (Duwin)
2	1	Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024				Tournament Overberg Swellendam Primary Schools Zone Trails Region 2 2024
		date 2024-02-10	rnd 2	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Extroo, J (Joshua)				Opponent Extroo, J (Joshua)
3	1	Tournament Overberg Schools Swellendam Zone Trails 2023				Tournament Overberg Schools Swellendam Zone Trails 2023
		date 2023-03-02	rnd 4	type Rapid	result 1	date 2023-03-02	rnd 4	type Rapid	result 1
		Opponent Windvoel, J (Junay)				Opponent Windvoel, J (Junay)

#	Games	Start				End
1	2	Tournament Overberg October Chess Festival 2024				Tournament Overberg October Chess Festival 2024
		date 2024-10-17	rnd 2	type Blitz	result 1	date 2024-10-17	rnd 3	type Blitz	result 1
		Opponent Bonde, D (Divine)				Opponent Fredericks, T (Tedross)
2	2	Tournament VRT Pitt Sports Day Tournament 2023				Tournament VRT Pitt Sports Day Tournament 2023
		date 2023-09-09	rnd 4	type Blitz	result 1	date 2023-09-09	rnd 5	type Blitz	result 1
		Opponent Gumbato, B (Blessed)				Opponent Pekeur, A (Andrew)
3	1	Tournament Overberg October Chess Festival 2024				Tournament Overberg October Chess Festival 2024
		date 2024-10-17	rnd 5	type Blitz	result 1	date 2024-10-17	rnd 5	type Blitz	result 1
		Opponent Jacobs, N (Niquin)				Opponent Jacobs, N (Niquin)

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	Mong ,B (Bernardus Johannes)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mong ,B (Bernardus Johannes)	1	1115.6	1540.6	1	1137.6	1540.6	0	0	0	0	0	0
2	Maharaj ,S (Sanshrey Kumar)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Maharaj ,S (Sanshrey Kumar)	1	1199.1	774.1	1	1200	774.1	0	0	0	0	0	0
3	Booysen ,J (Joshua)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Booysen ,J (Joshua)	1	1196.6	771.6	1	1160.8	771.6	0	0	0	0	0	0
4	Hanekom ,D (Derick)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Hanekom ,D (Derick)	1	1144.1	719.1	1	1161.2	719.1	0	0	0	0	0	0
5	De Koker ,A (Andreas Stephanus)	1	1	425	1	1	425	0	0	0	0	0	0
5	De Koker ,A (Andreas Stephanus)	1	1244.8	1669.8	1	1254.4	1669.8	0	0	0	0	0	0
6	Slingers ,B (Brendon)	1	1	425	1	1	425	0	0	0	0	0	0
6	Slingers ,B (Brendon)	1	1199.3	1624.3	1	1200	1624.3	0	0	0	0	0	0
7	Swart ,J (Jayden)	1	1	425	1	1	425	0	0	0	0	0	0
7	Swart ,J (Jayden)	1	1151.1	1576.1	1	1200	1576.1	0	0	0	0	0	0
8	Du Preez ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Du Preez ,C (Christiaan)	1	1244.7	819.7	1	1209.4	819.7	0	0	0	0	0	0
9	Jiri ,H (Howard)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Jiri ,H (Howard)	1	1162.3	737.3	1	1200	737.3	0	0	0	0	0	0
10	Van Der Merwe ,H (Heinrich)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Van Der Merwe ,H (Heinrich)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Lotz, R (Renaldo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms