Chess South Africa Ratings Database

PLAYER PAGE

Personal

Stelloh, M (Marcus)

Chess SA id

1840314913

FIDE id

Date of birth

1984-08-16 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-10

Personal details last changed

2025-02-18

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1314.2	1290.9	1240.6	1200
Raw rating	1314.2	1290.9	1240.6	1200
Weighted rating	1263.9	1247.4	1226.4	1200
Weighted performance	1253.9	0	0	0
Floor	814.2	790.9	752.3	700
K-factor	36	36	36	36
Min/Max rating change allowed	140.9	145.7	156.5	165.8
Highest rating	1314.2 2025-09-01	1290.9 2025-09-01	1252.3 2025-03-01	1200 2025-03-01
Highest raw rating	1314.2 2025-09-01	1290.9 2025-09-01	1252.3 2025-03-01	1200 2025-03-01
Highest weighted rating	1250.9 2025-09-01	1236.6 2025-09-01	1219.8 2025-08-01	1200 2025-03-01
Highest weighted performance	1307.6 2025-06-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1314.2	1290.9	1240.6	1200
Analysis
Rating	1314.2	1290.9	1240.6	1200
Raw rating	1314.2	1290.9	1240.6	1200
Weighted rating	1263.9	1247.4	1226.4
Weighted performance	1253.9	0	0
K-factor	36	36	36	36
Floor	814.2	790.9	752.3	700
Max/Min rating change allowed	140.9	145.7	156.5	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	1314.2	1290.9	1240.6	1200
New weighted rating	1269.9	1252.3	1228.3	1200
New weighted performance	1246.1	0	0	0
Temp new rating	1314.2	1290.9	1240.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1314.2	1290.9	1240.6	1200
New K-factor	36	36	36	36
New floor	814.2	790.9	752.3	700

Item	Main	Standard	Rapid
	0	0	0
	33	20	13
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	33	20	13

Games since
	Main 33	Standard 20		Rapid 13		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	33	13	39.39	-90.2	1489.3	1399.2
Standard	20	8	40	-85	1438.6	1353.6
Rapid	13	5	38.46	-98.1	1567.3	1469.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	33	13	39.39	-90.2	1489.3	1399.2
Standard	20	8	40	-85	1438.6	1353.6
Rapid	13	5	38.46	-98.1	1567.3	1469.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1314.2	1290.9	1240.6	1200
2025-09-30	1314.2	1290.9	1240.6	1200
2025-09-01	1314.2	1290.9	1240.6	1200
2025-08-01	1307.6	1276.9	1240.6	1200
2025-07-01	1307.6	1276.9	1240.6	1200
2025-06-01	1307.6	1276.9	1240.6	1200
2025-05-01	1290	1260.6	1252.3	1200
2025-04-01	1290	1260.6	1252.3	1200
2025-03-01	1305.9	1275.8	1252.3	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	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

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 (B)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
2	Chess Power House Randburg Rapid 2025 (A)	2025-05-11	2025-05-11	Rapid	Johannesburg Metro (GJM)	6	6	1	Yes	Analysis
3	2025 Silver Lakes Chess Club Open Chess Tournament (C)	2025-05-03	2025-05-03	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
4	JMC Crawford Ruimsig 2025 (B)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
5	JMC Rapid The Bridge School 2025 (Open)	2025-02-23	2025-02-23	Rapid	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
6	2025 Blou Bul Open Chess Tournament (C)	2025-02-08	2025-02-08	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Closed 2025 (B)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
2	Chess Power House Randburg Rapid 2025 (A)	2025-05-11	2025-05-11	Rapid	Johannesburg Metro (GJM)	6	6	1	Yes	Analysis
3	2025 Silver Lakes Chess Club Open Chess Tournament (C)	2025-05-03	2025-05-03	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
4	JMC Crawford Ruimsig 2025 (B)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
5	JMC Rapid The Bridge School 2025 (Open)	2025-02-23	2025-02-23	Rapid	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
6	2025 Blou Bul Open Chess Tournament (C)	2025-02-08	2025-02-08	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2025 Blou Bul Open Chess Tournament				Tournament 2025 Blou Bul Open Chess Tournament
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-02-08	rnd 4	type Standard	result 0.5
		Opponent Boshoff, R (Reinhardt)				Opponent Fourie, RC (Ruan)
2	3	Tournament 2025 Silver Lakes Chess Club Open Chess Tournament				Tournament 2025 Silver Lakes Chess Club Open Chess Tournament
		date 2025-05-03	rnd 1	type Standard	result 0.5	date 2025-05-03	rnd 3	type Standard	result 1
		Opponent Van Der Merwe, AP (Altus Philip)				Opponent Adamson, A (Amani)
3	3	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 4	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Ma, M (Matthew)				Opponent Bazhko, A (Anton)

#	Games	Start				End
1	4	Tournament 2025 Blou Bul Open Chess Tournament				Tournament 2025 Blou Bul Open Chess Tournament
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-02-08	rnd 4	type Standard	result 0.5
		Opponent Boshoff, R (Reinhardt)				Opponent Fourie, RC (Ruan)
2	3	Tournament 2025 Silver Lakes Chess Club Open Chess Tournament				Tournament 2025 Silver Lakes Chess Club Open Chess Tournament
		date 2025-05-03	rnd 1	type Standard	result 0.5	date 2025-05-03	rnd 3	type Standard	result 1
		Opponent Van Der Merwe, AP (Altus Philip)				Opponent Adamson, A (Amani)
3	1	Tournament JMC Closed 2025				Tournament JMC Closed 2025
		date 2025-08-10	rnd 4	type Standard	result 0.5	date 2025-08-10	rnd 4	type Standard	result 0.5
		Opponent Butler, K (Kayla)				Opponent Butler, K (Kayla)

#	Games	Start				End
1	3	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 4	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Ma, M (Matthew)				Opponent Bazhko, A (Anton)
2	1	Tournament Chess Power House Randburg Rapid 2025				Tournament Chess Power House Randburg Rapid 2025
		date 2025-05-11	rnd 2	type Rapid	result 1	date 2025-05-11	rnd 2	type Rapid	result 1
		Opponent Assabi, O (Ofer)				Opponent Assabi, O (Ofer)
3	1	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 2	type Rapid	result 1
		Opponent Farkas, G (Gadi)				Opponent Farkas, G (Gadi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 4	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Ma, M (Matthew)				Opponent Bazhko, A (Anton)
2	2	Tournament 2025 Silver Lakes Chess Club Open Chess Tournament				Tournament 2025 Silver Lakes Chess Club Open Chess Tournament
		date 2025-05-03	rnd 2	type Standard	result 1	date 2025-05-03	rnd 3	type Standard	result 1
		Opponent Da Costa, E (Ethan)				Opponent Adamson, A (Amani)
3	2	Tournament 2025 Blou Bul Open Chess Tournament				Tournament 2025 Blou Bul Open Chess Tournament
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Boshoff, R (Reinhardt)				Opponent Maharaj, A (Anaamika)

#	Games	Start				End
1	2	Tournament 2025 Silver Lakes Chess Club Open Chess Tournament				Tournament 2025 Silver Lakes Chess Club Open Chess Tournament
		date 2025-05-03	rnd 2	type Standard	result 1	date 2025-05-03	rnd 3	type Standard	result 1
		Opponent Da Costa, E (Ethan)				Opponent Adamson, A (Amani)
2	2	Tournament 2025 Blou Bul Open Chess Tournament				Tournament 2025 Blou Bul Open Chess Tournament
		date 2025-02-08	rnd 1	type Standard	result 1	date 2025-02-08	rnd 2	type Standard	result 1
		Opponent Boshoff, R (Reinhardt)				Opponent Maharaj, A (Anaamika)
3	1	Tournament JMC Closed 2025				Tournament JMC Closed 2025
		date 2025-08-09	rnd 2	type Standard	result 1	date 2025-08-09	rnd 2	type Standard	result 1
		Opponent Thomson-Selibowitz, R (Ryder)				Opponent Thomson-Selibowitz, R (Ryder)

#	Games	Start				End
1	3	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 4	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Ma, M (Matthew)				Opponent Bazhko, A (Anton)
2	1	Tournament Chess Power House Randburg Rapid 2025				Tournament Chess Power House Randburg Rapid 2025
		date 2025-05-11	rnd 2	type Rapid	result 1	date 2025-05-11	rnd 2	type Rapid	result 1
		Opponent Assabi, O (Ofer)				Opponent Assabi, O (Ofer)
3	1	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 2	type Rapid	result 1	date 2025-02-23	rnd 2	type Rapid	result 1
		Opponent Farkas, G (Gadi)				Opponent Farkas, G (Gadi)

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	Stelloh ,S (Sebastian)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Stelloh ,S (Sebastian)	2	1527	1102	1	1481.6	1102	1	1409.9	1102	0	0	0
2	Venter ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Venter ,C (Christiaan)	1	1488.5	1063.5	1	1484.6	1063.5	0	0	0	0	0	0
3	Adamson ,A (Amani)	1	1	425	1	1	425	0	0	0	0	0	0
3	Adamson ,A (Amani)	1	1374.7	1799.7	1	1368.2	1799.7	0	0	0	0	0	0
4	Van Der Westhuizen ,FJ (Fritz-Jan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Der Westhuizen ,FJ (Fritz-Jan)	1	1380.5	955.5	1	1372.6	955.5	0	0	0	0	0	0
5	Boshoff ,R (Reinhardt)	1	1	425	1	1	425	0	0	0	0	0	0
5	Boshoff ,R (Reinhardt)	1	1471.8	1896.8	1	1465	1896.8	0	0	0	0	0	0
6	Baloyi ,B (Boikanyo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Baloyi ,B (Boikanyo)	1	1491.5	1491.5	1	1498.9	1491.5	0	0	0	0	0	0
7	Weideman ,HJ (Hendrik Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Weideman ,HJ (Hendrik Johannes)	1	1404.4	979.4	1	1410.4	979.4	0	0	0	0	0	0
8	Van Der Merwe ,AP (Altus Philip)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Van Der Merwe ,AP (Altus Philip)	1	1422.1	1422.1	1	1411.3	1422.1	0	0	0	0	0	0
9	Kruger ,I (Ivan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kruger ,I (Ivan)	1	1449.9	1024.9	1	1415.1	1024.9	0	0	0	0	0	0
10	Thomson-Selibowitz ,R (Ryder)	1	1	425	1	1	425	0	0	0	0	0	0
10	Thomson-Selibowitz ,R (Ryder)	1	1477.8	1902.8	1	1479.6	1902.8	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

Stelloh, M (Marcus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms