Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lerm, D (Darwun)

Chess SA id

1130160558

FIDE id

Date of birth

2013-02-08 (U14)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1057.9

Item	Main	Standard	Rapid	Blitz
Rating	1183.5	1180.1	1200	1200
Raw rating	1135.2	1122.3	1200	1200
Weighted rating	1183.5	1180.1	1200	1200
Weighted performance	0	0	0	0
Floor	706.6	708.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	181.8	185.2	165.8	165.8
Highest rating	1206.6 2025-09-01	1208.4 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1206.6 2025-09-01	1208.4 2025-09-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-4.1	-4.9	0	0
New rating	1179.4	1175.2	1200	1200
Analysis
Rating	1183.5	1180.1	1200	1200
Raw rating	1135.2	1122.3	1200	1200
Weighted rating	1183.5	1180.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	706.6	708.4	700	700
Max/Min rating change allowed	181.8	185.2	165.8	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	1135.2	1122.3	1200	1200
New weighted rating	1179.4	1175.2	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1179.4	1175.2	1200	1200
Temp new rating +/-	-4.1	-4.9	0	0
Final new rating +/-	-4.1	-4.9	0	0
New rating	1179.4	1175.2	1200	1200
New K-factor	36	36	36	36
New floor	706.6	708.4	700	700

Item	Main	Standard
	0	0
	10	10
	4	4
	4	4
	0	0
	0	0
History	18	18

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Sedibeng (GSV)
Province	Gauteng (GT)
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	10	3	30	-170	1221.4	1051.4
Standard	10	3	30	-170	1221.4	1051.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	18	6	33.33	-141.7	1209.4	1067.7
Standard	18	6	33.33	-141.7	1209.4	1067.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1135.2	1122.3	1200	1200
2025-09-30	1206.6	1208.4	1200	1200
2025-09-01	1206.6	1208.4	1200	1200
2025-08-01	1186.4	1183.4	1200	1200
2025-07-01	1186.4	1183.4	1200	1200
2025-06-01	1186.4	1183.4	1200	1200
2025-05-01	1186.4	1183.4	1200	1200
2025-04-01	1186.4	1183.4	1200	1200
2025-03-01	1186.4	1183.4	1200	1200
2025-02-01	1185.5	1182.4	1200	1200
2025-01-01	1168.9	1162.5	1200	1200
2024-12-01	1168.9	1162.5	1200	1200
2024-11-01	1168.9	1162.5	1200	1200
2024-10-01	1168.9	1162.5	1200	1200
2024-09-01	1168.9	1162.5	1200	1200
2024-08-01	1197.9	1197.1	1200	1200
2024-07-01	1197.9	1197.1	1200	1200
2024-09-01	1197.9	1197.1	1200	1200
2024-05-01	1197.9	1197.1	1200	1200
2024-04-01	1197.9	1197.1	1200	1200
2024-03-01	1197.9	1197.1	1200	1200
2024-02-01	1197.9	1197.1	1200	1200
2024-01-01	1197.9	1197.1	1200	1200
2023-12-01	1197.9	1197.1	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	2025 Gauteng Top Schools Teams (U13)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
2	GDE (D8) Sedibeng West Schools - Teams 2025 (U13)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U13)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
2	GDE (D8) Sedibeng West Schools - Teams 2025 (U13)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
3	Sedibeng West District Schools Chess Team's Championships 2024 (U11)	2024-08-12	2024-08-12	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
4	2023 Sedibeng West District Schools Chess Tournament (U9+U11)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Rataemane, T (Thapelo)				Opponent Rataemane, T (Thapelo)
2	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Moloi, N (Nonhlanhla)				Opponent Moloi, N (Nonhlanhla)
3	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Mofokeng, K (Karabo)				Opponent Mofokeng, K (Karabo)

#	Games	Start				End
1	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Rataemane, T (Thapelo)				Opponent Rataemane, T (Thapelo)
2	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Moloi, N (Nonhlanhla)				Opponent Moloi, N (Nonhlanhla)
3	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Mofokeng, K (Karabo)				Opponent Mofokeng, K (Karabo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Rataemane, T (Thapelo)				Opponent Rataemane, T (Thapelo)
2	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Moloi, N (Nonhlanhla)				Opponent Moloi, N (Nonhlanhla)
3	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Mofokeng, K (Karabo)				Opponent Mofokeng, K (Karabo)

#	Games	Start				End
1	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 5	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Rataemane, T (Thapelo)				Opponent Rataemane, T (Thapelo)
2	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Moloi, N (Nonhlanhla)				Opponent Moloi, N (Nonhlanhla)
3	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Mofokeng, K (Karabo)				Opponent Mofokeng, K (Karabo)

No games found.

#	Games	Start				End

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	Mashinini ,L (Lesego)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Mashinini ,L (Lesego)	1	1229.9	804.9	1	1236.7	804.9	0	0	0	0	0	0
2	Mapukata ,D (Dalumzi)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mapukata ,D (Dalumzi)	1	1154.5	729.5	1	1144.4	729.5	0	0	0	0	0	0
3	Morena ,K (Kopano)	1	1	425	1	1	425	0	0	0	0	0	0
3	Morena ,K (Kopano)	1	1112.2	1537.2	1	1093.8	1537.2	0	0	0	0	0	0
4	Van Wyk ,J (Jane)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Wyk ,J (Jane)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Van Moerkerken ,G (Gideon)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Van Moerkerken ,G (Gideon)	1	1325.2	900.2	1	1342.7	900.2	0	0	0	0	0	0
6	Masilo ,K (Kelebogile)	1	1	425	1	1	425	0	0	0	0	0	0
6	Masilo ,K (Kelebogile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Masiya ,R (Rerilwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Masiya ,R (Rerilwe)	1	1231.5	806.5	1	1238	806.5	0	0	0	0	0	0
8	Peleowo ,N (Nkazimulo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Peleowo ,N (Nkazimulo)	1	1219.3	794.3	1	1223.6	794.3	0	0	0	0	0	0
9	Myburgh ,W (Wikus)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Myburgh ,W (Wikus)	1	1198	773	1	1198.2	773	0	0	0	0	0	0
10	Mofokeng ,K (Karabo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mofokeng ,K (Karabo)	1	1156.5	1581.5	1	1148.5	1581.5	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

Lerm, D (Darwun)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms