Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, M (Marchant Joe)

Chess SA id

1130301221

FIDE id

Date of birth

2013-06-29 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1149.3	1142.2	1187.3	1200
Raw rating	1149.3	1142.2	1187.3	1200
Weighted rating	1146.2	1138.7	1185.9	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	178.2	180	168.9	165.8
Highest rating	1200 2024-11-01	1200 2024-04-01	1200 2024-11-01	1200 2024-04-01
Highest raw rating	1200 2024-03-01	1200 2024-04-01	1200 2024-03-01	1200 2024-04-01
Highest weighted rating	1200 2024-11-01	1200 2024-04-01	1200 2024-11-01	1200 2024-04-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-12-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1149.3	1142.2	1187.3	1200
Analysis
Rating	1149.3	1142.2	1187.3	1200
Raw rating	1149.3	1142.2	1187.3	1200
Weighted rating	1146.2	1138.7	1185.9
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	178.2	180	168.9	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	1149.3	1142.2	1187.3	1200
New weighted rating	1145.9	1138.2	1185.9	1200
New weighted performance	0	0	0	0
Temp new rating	1149.3	1142.2	1187.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1149.3	1142.2	1187.3	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	10	5	5
	0	0	0
	0	0	0
	0	0	0
History	15	10	5

Games since
	Main 15	Standard 10		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Ekurhuleni (GE)
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	5	1	20	-255	1200	945
Standard	5	1	20	-255	1200	945
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	15	3	20	-255	1241.5	986.5
Standard	10	1	10	-340	1236.1	896.1
Rapid	5	2	40	-85	1252.3	1167.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1149.3	1142.2	1187.3	1200
2025-09-01	1149.3	1142.2	1187.3	1200
2025-08-01	1149.3	1142.2	1187.3	1200
2025-07-01	1149.3	1142.2	1187.3	1200
2025-06-01	1149.3	1142.2	1187.3	1200
2025-05-01	1148.1	1140.7	1187.3	1200
2025-04-01	1153.4	1146.9	1187.3	1200
2025-03-01	1153.4	1146.9	1187.3	1200
2025-02-01	1152.8	1146.2	1187.2	1200
2025-01-01	1127.8	1117.2	1181.6	1200
2024-12-01	1127.8	1117.2	1181.6	1200
2024-11-01	1127.8	1117.2	1181.6	1200
2024-10-01	1127.8	1117.2	1181.6	1200
2024-09-01	1127.8	1117.2	1181.6	1200
2024-08-01	1127.8	1117.2	1181.6	1200
2024-07-01	1127.8	1117.2	1181.6	1200
2024-06-01	1127.8	1117.2	1181.6	1200
2024-08-01	1127.8	1117.2	1181.6	1200
2024-04-01	1194.2	1200	1181.6	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Benoni Primary School Cluster 12 April 2025 (U13 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni Primary School Cluster 12 April 2025 (U13 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
2	Westwood Open 2024 (C)	2024-04-13	2024-04-13	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
3	Benoni Primary School Cluster Individuals 2024 (U11 Boys)	2024-03-09	2024-03-09	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Killian, A (Andreas)				Opponent Killian, A (Andreas)
2	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Botha, L (Louis)				Opponent Botha, L (Louis)
3	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 2	type Rapid	result 1
		Opponent Tolom, M (Mvelo)				Opponent Tolom, M (Mvelo)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Killian, A (Andreas)				Opponent Killian, A (Andreas)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Botha, L (Louis)				Opponent Botha, L (Louis)
2	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 2	type Rapid	result 1
		Opponent Tolom, M (Mvelo)				Opponent Tolom, M (Mvelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Killian, A (Andreas)				Opponent Killian, A (Andreas)
2	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Botha, L (Louis)				Opponent Botha, L (Louis)
3	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 2	type Rapid	result 1
		Opponent Tolom, M (Mvelo)				Opponent Tolom, M (Mvelo)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Killian, A (Andreas)				Opponent Killian, A (Andreas)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 5	type Rapid	result 1
		Opponent Botha, L (Louis)				Opponent Botha, L (Louis)
2	1	Tournament Benoni Primary School Cluster Individuals 2024				Tournament Benoni Primary School Cluster Individuals 2024
		date 2024-03-09	rnd 2	type Rapid	result 1	date 2024-03-09	rnd 2	type Rapid	result 1
		Opponent Tolom, M (Mvelo)				Opponent Tolom, M (Mvelo)

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	Venter ,L (Luan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Venter ,L (Luan)	2	1359.2	934.2	1	1327.7	934.2	1	1258.8	934.2	0	0	0
2	Van Der Westhuizen ,L (L-Ree)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Van Der Westhuizen ,L (L-Ree)	1	1157.3	732.3	1	1200	732.3	0	0	0	0	0	0
3	Khumalo ,ME (Musawenkosi Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Khumalo ,ME (Musawenkosi Ethan)	1	1405.6	980.6	1	1391.1	980.6	0	0	0	0	0	0
4	Naude' ,D (Daylian)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Naude' ,D (Daylian)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Stieler ,K (Kayla)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Stieler ,K (Kayla)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Pedreiro ,E (Enrico)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Pedreiro ,E (Enrico)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Stephens ,C (CJ)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Stephens ,C (CJ)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Killian ,A (Andreas)	1	1	425	1	1	425	0	0	0	0	0	0
8	Killian ,A (Andreas)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Nell ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nell ,E (Ethan)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Mendonca ,N (Nelita)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mendonca ,N (Nelita)	1	1225.8	800.8	1	1219.4	800.8	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

Botha, M (Marchant Joe)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms