Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, D (Dillen)

Chess SA id

1160154051

FIDE id

Date of birth

2016-03-15 (U10)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

26.5

Junior GPX Points

1192.9

Item	Main	Standard	Rapid	Blitz
Rating	1323.7	1210.8	1427.9	1200
Raw rating	1323.7	1210.8	1427.9	1200
Weighted rating	1239.4	1170.9	1335.9	1200
Weighted performance	1313.5	1174.4	0	0
Floor	823.7	718.7	927.9	700
K-factor	36	36	32	36
Min/Max rating change allowed	139	163.3	119.8	165.8
Highest rating	1326.9 2025-09-01	1218.7 2023-06-01	1544.7 2024-02-01	1200 2018-10-01
Highest raw rating	1323.7 2025-09-01	1218.7 2023-06-01	1427.9 2025-09-01	1200 2024-02-01
Highest weighted rating	1255.7 2024-09-01	1218.7 2023-07-01	1325.5 2025-09-01	1200 2018-10-01
Highest weighted performance	1326.9 2025-09-01	1200 2019-12-01	1544.7 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1323.7	1210.8	1427.9	1200
Analysis
Rating	1323.7	1210.8	1427.9	1200
Raw rating	1323.7	1210.8	1427.9	1200
Weighted rating	1239.4	1170.9	1335.9
Weighted performance	1313.5	1174.4	0
K-factor	36	36	32	36
Floor	823.7	718.7	927.9	700
Max/Min rating change allowed	139	163.3	119.8	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	1323.7	1210.8	1427.9	1200
New weighted rating	1247.1	1174.3	1345.5	1200
New weighted performance	1313	1174	0	0
Temp new rating	1323.7	1210.8	1427.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1323.7	1210.8	1427.9	1200
New K-factor	36	36	32	36
New floor	823.7	718.7	927.9	700

Item	Main	Standard	Rapid
	0	0	0
	29	14	15
	29	19	10
	14	14	0
	0	0	0
	0	0	0
History	72	47	25

Games since
	Main 58	Standard 33		Rapid 25		Blitz 0
Gender	Male
Age group	U10
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2953		996		156
Male	2342		787		120
U10	233		91		13
U10 Male	188		78		11
Standard
	RSA		Province		Region
Overall	3841		1351		185
Male	2901		1035		142
U10	354		140		17
U10 Male	279		119		15
Rapid
	RSA		Province		Region
Overall	404		70		15
Male	361		61		10
U10	18		3		1
U10 Male	16		3		1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	29	20	68.97	161.2	1235.4	1396.6
Standard	14	7	50	0	1264.6	1264.6
Rapid	15	13	86.67	311.7	1208.1	1519.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	72	41.5	57.64	64.9	1225.8	1290.7
Standard	47	20	42.55	-63.3	1235.5	1172.2
Rapid	25	21.5	86	306	1207.5	1513.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1323.7	1210.8	1427.9	1200
2025-09-01	1323.7	1210.8	1427.9	1200
2025-08-01	1242.8	1188.4	1342.1	1200
2025-07-01	1242.6	1174.3	1342.1	1200
2025-06-01	1242.6	1174.3	1342.1	1200
2025-05-01	1223.2	1174.3	1327.4	1200
2025-04-01	1219.2	1160.5	1327.4	1200
2025-03-01	1219.2	1160.5	1327.4	1200
2025-02-01	1219.2	1159.9	1327.4	1200
2025-01-01	1195.6	1141.3	1312.6	1200
2024-12-01	1195.6	1141.3	1312.6	1200
2024-11-01	1195.6	1141.3	1312.6	1200
2024-10-01	1205.5	1139.1	1312.6	1200
2024-09-01	1231.8	1158.9	1312.6	1200
2024-08-01	1231.8	1158.9	1312.6	1200
2024-07-01	1231.8	1158.9	1312.6	1200
2024-06-01	1255.7	1172.6	1312.6	1200
2024-08-01	1255.7	1172.6	1312.6	1200
2024-04-01	1255.7	1172.6	1312.6	1200
2024-03-01	1222.7	1172.6	1273.4	1200
2024-02-01	1176.3	1172.6	1200	1200
2024-01-01	1177.3	1173.7	1200	1200
2023-12-01	1177.3	1173.7	1200	1200
2023-11-01	1177.3	1173.7	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	Ekurhuleni North Schools Teams 2025 (U9)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Benoni Primary School Cluster Teams 2025 (U9A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	7	7	Yes	Analysis
3	South African Open 2025 (U10 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	RMS Rapid Chess Open 31 May 2025 (U9)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	4	3	Yes	Analysis
5	Benoni Primary School Cluster 12 April 2025 (U9 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
6	LS Northmead Trials 2025 (U9)	2025-01-25	2025-01-25	Rapid	Ekurhuleni (GE)	5	4	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North Schools Teams 2025 (U9)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Benoni Primary School Cluster Teams 2025 (U9A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	7	7	Yes	Analysis
3	South African Open 2025 (U10 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	RMS Rapid Chess Open 31 May 2025 (U9)	2025-05-31	2025-05-31	Rapid	Sedibeng (GSV)	6	4	3	Yes	Analysis
5	Benoni Primary School Cluster 12 April 2025 (U9 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis
6	LS Northmead Trials 2025 (U9)	2025-01-25	2025-01-25	Rapid	Ekurhuleni (GE)	5	4	3	Yes	Analysis
7	Gauteng Top Schools 2024 (U9 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
8	Ekurhuleni North Schools Finals - Teams 2024 (U9 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
9	Ekurhuleni North Primary Schools District Individual Finals 2024 (U9 Boys)	2024-05-11	2024-05-11	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
10	Benoni Primary School Cluster Individuals 2024 (U9 Boys)	2024-03-09	2024-03-09	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
11	Laerskool Northmead Proewe 2024 (U9)	2024-02-10	2024-02-10	Rapid	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
12	2024 Gauteng Inter-Region Chess Championship (U8)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
13	2023 Gauteng Top Schools (U9 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	4	2	Yes	Analysis
14	2023 Ekurhuleni North District Schools Finals (U9)	2023-07-29	2023-07-29	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
15	Ekurhuleni North Schools Individual Finals 2023 (U9 Boys)	2023-05-12	2023-05-12	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
16	Ekurhuleni Trials 2 2023 (U8)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	0	0	No	Analysis

#	Games	Start				End
1	10	Tournament South African Open 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Nolan, Z (Zachary)				Opponent Mashiane, T (Thatego)
2	8	Tournament Laerskool Northmead Proewe 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Marais, D (Daniel)				Opponent Basson, D (Dawid)
3	4	Tournament LS Northmead Trials 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-01-25	rnd 4	type Rapid	result 1	date 2025-04-12	rnd 3	type Standard	result 1
		Opponent Fourie, K (Kyle)				Opponent Horn, H (Horatio)

#	Games	Start				End
1	3	Tournament South African Open 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Nolan, Z (Zachary)				Opponent Mashiane, T (Thatego)
2	3	Tournament Gauteng Top Schools 2024				Tournament Benoni Primary School Cluster 12 April 2025
		date 2024-10-04	rnd 5	type Standard	result 1	date 2025-04-12	rnd 3	type Standard	result 1
		Opponent Pretorius, A (Amone)				Opponent Horn, H (Horatio)
3	2	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Cele, R (Rhulani)				Opponent Sibanyoni, T (Thingo)

#	Games	Start				End
1	8	Tournament Laerskool Northmead Proewe 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Marais, D (Daniel)				Opponent Basson, D (Dawid)
2	7	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Stickling, C (Christilene)				Opponent Schoeman, M (Melissa)
3	5	Tournament LS Northmead Trials 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-01-25	rnd 4	type Rapid	result 1	date 2025-05-31	rnd 5	type Rapid	result 1
		Opponent Fourie, K (Kyle)				Opponent Coetzee, J (Joshua)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament South African Open 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Nolan, Z (Zachary)				Opponent Mashiane, T (Thatego)
2	4	Tournament LS Northmead Trials 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-01-25	rnd 4	type Rapid	result 1	date 2025-04-12	rnd 3	type Standard	result 1
		Opponent Fourie, K (Kyle)				Opponent Horn, H (Horatio)
3	4	Tournament Laerskool Northmead Proewe 2024				Tournament Laerskool Northmead Proewe 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Marais, D (Daniel)				Opponent Coetzee, O (Oliver)

#	Games	Start				End
1	3	Tournament South African Open 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Nolan, Z (Zachary)				Opponent Mashiane, T (Thatego)
2	3	Tournament Gauteng Top Schools 2024				Tournament Benoni Primary School Cluster 12 April 2025
		date 2024-10-04	rnd 5	type Standard	result 1	date 2025-04-12	rnd 3	type Standard	result 1
		Opponent Pretorius, A (Amone)				Opponent Horn, H (Horatio)
3	2	Tournament Ekurhuleni North Schools Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-16	rnd 4	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Cele, R (Rhulani)				Opponent Sibanyoni, T (Thingo)

#	Games	Start				End
1	7	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Stickling, C (Christilene)				Opponent Schoeman, M (Melissa)
2	5	Tournament LS Northmead Trials 2025				Tournament RMS Rapid Chess Open 31 May 2025
		date 2025-01-25	rnd 4	type Rapid	result 1	date 2025-05-31	rnd 5	type Rapid	result 1
		Opponent Fourie, K (Kyle)				Opponent Coetzee, J (Joshua)
3	4	Tournament Laerskool Northmead Proewe 2024				Tournament Laerskool Northmead Proewe 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Marais, D (Daniel)				Opponent Coetzee, O (Oliver)

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	Masekela ,L (Lepato)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Masekela ,L (Lepato)	2	1353.1	928.1	2	1352.9	928.1	0	0	0	0	0	0
2	White ,J (Joshua)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	White ,J (Joshua)	2	1366	941	2	1374.7	941	0	0	0	0	0	0
3	Fensham ,K (Kemuel)	2	1	0	1	0	-425	1	1	425	0	0	0
3	Fensham ,K (Kemuel)	2	1219.8	1219.8	1	1222.1	794.8	1	1200	1644.8	0	0	0
4	Coetzee ,O (Oliver)	2	1	0	1	0	-425	1	1	425	0	0	0
4	Coetzee ,O (Oliver)	2	1220.8	1220.8	1	1200	795.8	1	1200	1645.8	0	0	0
5	Sibanyoni ,T (Thingo)	2	2	425	1	1	425	1	1	425	0	0	0
5	Sibanyoni ,T (Thingo)	2	1247.8	1672.8	1	1256.4	1672.8	1	1200	1672.8	0	0	0
6	du Plessis ,H (Herman)	2	1	0	0	0	0	2	1	0	0	0	0
6	du Plessis ,H (Herman)	2	1200	1200	0	0	0	2	1200	1200	0	0	0
7	Coetzee ,J (Joshua)	2	2	425	0	0	0	2	2	425	0	0	0
7	Coetzee ,J (Joshua)	2	1200	1625	0	0	0	2	1200	1625	0	0	0
8	Nzama ,M (Mfundo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Nzama ,M (Mfundo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Horn ,H (Horatio)	1	1	425	1	1	425	0	0	0	0	0	0
9	Horn ,H (Horatio)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	De Klerk ,O (Oliver)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	De Klerk ,O (Oliver)	1	1197.2	772.2	1	1200	772.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Botha, D (Dillen)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms