Chess South Africa Ratings Database

PLAYER PAGE

Personal

Gumbo, M (Mark Emmanuel)

Chess SA id

1060306131

FIDE id

Date of birth

2006-10-03 (U20)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

24.2

Junior GPX Points

1585.2

Item	Main	Standard	Rapid	Blitz
Rating	1702.3	1682.9	1235.6	1200
Raw rating	1639.7	1549.7	1235.6	1200
Weighted rating	1416.7	1364.5	1217.8	1200
Weighted performance	1702.3	1682.9	0	0
Floor	1139.7	1049.7	735.6	700
K-factor	28	32	36	36
Min/Max rating change allowed	88.6	100.7	157.6	165.8
Highest rating	1721.6 2025-09-30	1667.5 2025-09-30	1235.6 2025-06-01	1200 2024-07-01
Highest raw rating	1639.7 2025-09-30	1549.7 2025-09-30	1235.6 2025-06-01	1200 2024-07-01
Highest weighted rating	1584.2 2024-10-01	1343.7 2025-09-30	1211.2 2025-08-01	1200 2024-07-01
Highest weighted performance	1721.6 2025-09-30	1702 2025-09-30	1221.3 2024-06-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-10.3	-10.2	0	0
New rating	1692	1672.7	1235.6	1200
Analysis
Rating	1702.3	1682.9	1235.6	1200
Raw rating	1639.7	1549.7	1235.6	1200
Weighted rating	1416.7	1364.5	1217.8
Weighted performance	1702.3	1682.9	0
K-factor	28	32	36	36
Floor	1139.7	1049.7	735.6	700
Max/Min rating change allowed	88.6	100.7	157.6	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	1639.7	1549.7	1235.6	1200
New weighted rating	1440.8	1384.1	1219.7	1200
New weighted performance	1692	1672.7	0	0
Temp new rating	1692	1672.7	1235.6	1200
Temp new rating +/-	-10.3	-10.2	0	0
Final new rating +/-	-10.3	-10.2	0	0
New rating	1692	1672.7	1235.6	1200
New K-factor	28	32	36	36
New floor	1139.7	1049.7	735.6	700

Item	Main	Standard	Rapid
	0	0	0
	28	23	5
	10	5	5
	0	0	0
	0	0	0
	0	0	0
History	38	28	10

Games since
	Main 38	Standard 28		Rapid 10		Blitz 0
Gender	Male
Age group	U20
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	28	22	78.57	242.9	1426.2	1669.1
Standard	23	19.5	84.78	295.7	1383.7	1679.4
Rapid	5	2.5	50	0	1621.7	1621.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	38	27.5	72.37	190.1	1432.4	1622.5
Standard	28	22.5	80.36	258	1395	1653
Rapid	10	5	50	0	1537.2	1537.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1639.7	1549.7	1235.6	1200
2025-09-30	1639.7	1549.7	1235.6	1200
2025-09-01	1621.2	1515.2	1235.6	1200
2025-08-01	1584.2	1444.6	1235.6	1200
2025-07-01	1584.2	1444.6	1235.6	1200
2025-06-01	1475.7	1378.4	1235.6	1200
2025-05-01	1368.5	1378.4	1205.2	1200
2025-04-01	1368.5	1378.4	1205.2	1200
2025-03-01	1288.9	1278	1205.2	1200
2025-02-01	1288.9	1278	1205.2	1200
2025-01-01	1288.9	1278	1205.2	1200
2024-12-01	1288.9	1278	1205.2	1200
2024-11-01	1288.9	1278	1205.2	1200
2024-10-01	1288.9	1278	1205.2	1200
2024-09-01	1236	1200	1205.2	1200
2024-08-01	1236	1200	1205.2	1200
2024-07-01	1236	1200	1205.2	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	Ekurhuleni Trial 4 2025 (C)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	4	4	Yes	Analysis
2	Ekurhuleni Trials 2025 (C)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
3	Ekurhuleni Trial 2 2025 (C)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	4	4	Yes	Analysis
4	Chess Power House Randburg Rapid 2025 (A)	2025-05-11	2025-05-11	Rapid	Johannesburg Metro (GJM)	6	5	2.5	Yes	Analysis
5	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
6	Ekurhuleni Chess Open 2025 (B)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni Trial 4 2025 (C)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	4	4	Yes	Analysis
2	Ekurhuleni Trials 2025 (C)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
3	Ekurhuleni Trial 2 2025 (C)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	4	4	Yes	Analysis
4	Chess Power House Randburg Rapid 2025 (A)	2025-05-11	2025-05-11	Rapid	Johannesburg Metro (GJM)	6	5	2.5	Yes	Analysis
5	Chess Power House March Open 2025 (B)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
6	Ekurhuleni Chess Open 2025 (B)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
7	Gauteng Schools Individuals Finals 2024 (U18 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
8	Chess Molecules Open Chess Tournament 2024 (High School Open)	2024-06-15	2024-06-15	Rapid	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	13	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trial 4 2025
		date 2025-06-21	rnd 2	type Standard	result 1	date 2025-09-21	rnd 5	type Standard	result 1
		Opponent Muravha, N (Ntsako)				Opponent Magida, A (Anga)
2	5	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 0.5
		Opponent Van Dyk, T (Tayla)				Opponent Tinarwo, S (Shepherd)
3	3	Tournament Chess Power House Randburg Rapid 2025				Tournament Chess Power House Randburg Rapid 2025
		date 2025-05-11	rnd 3	type Rapid	result 1	date 2025-05-11	rnd 5	type Rapid	result 1
		Opponent Magagula, R (Raymond)				Opponent Paton, A (Anthony)

#	Games	Start				End
1	14	Tournament Chess Power House March Open 2025				Tournament Ekurhuleni Trials 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Van Dyk, T (Tayla)				Opponent Kushar, T (Tristan)
2	2	Tournament Ekurhuleni Chess Open 2025				Tournament Ekurhuleni Chess Open 2025
		date 2025-03-15	rnd 3	type Standard	result 1	date 2025-03-15	rnd 4	type Standard	result 0.5
		Opponent Van Niekerk, J (Jacobus)				Opponent Thsbethe, T (Themba)
3	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Ekurhuleni Chess Open 2025
		date 2024-08-17	rnd 5	type Standard	result 1	date 2025-03-15	rnd 1	type Standard	result 1
		Opponent Davids, A (Anton)				Opponent Robinson, E (Ethan)

#	Games	Start				End
1	3	Tournament Chess Power House Randburg Rapid 2025				Tournament Chess Power House Randburg Rapid 2025
		date 2025-05-11	rnd 3	type Rapid	result 1	date 2025-05-11	rnd 5	type Rapid	result 1
		Opponent Magagula, R (Raymond)				Opponent Paton, A (Anthony)
2	2	Tournament Chess Molecules Open Chess Tournament 2024				Tournament Chess Molecules Open Chess Tournament 2024
		date 2024-06-15	rnd 1	type Rapid	result 1	date 2024-06-15	rnd 2	type Rapid	result 1
		Opponent Swart, Z (Zander)				Opponent Letlonkane, K (Keanetse)
3	1	Tournament Chess Molecules Open Chess Tournament 2024				Tournament Chess Molecules Open Chess Tournament 2024
		date 2024-06-15	rnd 5	type Rapid	result 0.5	date 2024-06-15	rnd 5	type Rapid	result 0.5
		Opponent Robinson, R (Rhys David)				Opponent Robinson, R (Rhys David)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trials 2025
		date 2025-06-21	rnd 2	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Muravha, N (Ntsako)				Opponent Kushar, T (Tristan)
2	3	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Van Dyk, T (Tayla)				Opponent Wany, J (Jobert)
3	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Ekurhuleni Chess Open 2025
		date 2024-08-17	rnd 5	type Standard	result 1	date 2025-03-15	rnd 1	type Standard	result 1
		Opponent Davids, A (Anton)				Opponent Robinson, E (Ethan)

#	Games	Start				End
1	9	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trials 2025
		date 2025-06-21	rnd 2	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 1
		Opponent Muravha, N (Ntsako)				Opponent Kushar, T (Tristan)
2	3	Tournament Chess Power House March Open 2025				Tournament Chess Power House March Open 2025
		date 2025-03-22	rnd 1	type Standard	result 1	date 2025-03-22	rnd 3	type Standard	result 1
		Opponent Van Dyk, T (Tayla)				Opponent Wany, J (Jobert)
3	2	Tournament Gauteng Schools Individuals Finals 2024				Tournament Ekurhuleni Chess Open 2025
		date 2024-08-17	rnd 5	type Standard	result 1	date 2025-03-15	rnd 1	type Standard	result 1
		Opponent Davids, A (Anton)				Opponent Robinson, E (Ethan)

#	Games	Start				End
1	2	Tournament Chess Molecules Open Chess Tournament 2024				Tournament Chess Molecules Open Chess Tournament 2024
		date 2024-06-15	rnd 1	type Rapid	result 1	date 2024-06-15	rnd 2	type Rapid	result 1
		Opponent Swart, Z (Zander)				Opponent Letlonkane, K (Keanetse)
2	1	Tournament Chess Power House Randburg Rapid 2025				Tournament Chess Power House Randburg Rapid 2025
		date 2025-05-11	rnd 5	type Rapid	result 1	date 2025-05-11	rnd 5	type Rapid	result 1
		Opponent Paton, A (Anthony)				Opponent Paton, A (Anthony)
3	1	Tournament Chess Power House Randburg Rapid 2025				Tournament Chess Power House Randburg Rapid 2025
		date 2025-05-11	rnd 3	type Rapid	result 1	date 2025-05-11	rnd 3	type Rapid	result 1
		Opponent Magagula, R (Raymond)				Opponent Magagula, R (Raymond)

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	Kushar ,T (Tristan)	3	3	425	3	3	425	0	0	0	0	0	0
1	Kushar ,T (Tristan)	3	1568.4	1993.4	3	1562.2	1993.4	0	0	0	0	0	0
2	Malinga ,A (Anele)	3	3	425	3	3	425	0	0	0	0	0	0
2	Malinga ,A (Anele)	3	1324.1	1749.1	3	1295	1749.1	0	0	0	0	0	0
3	Magida ,A (Anga)	2	2	425	2	2	425	0	0	0	0	0	0
3	Magida ,A (Anga)	2	1412.4	1837.4	2	1365.7	1837.4	0	0	0	0	0	0
4	Muravha ,N (Ntsako)	2	2	425	2	2	425	0	0	0	0	0	0
4	Muravha ,N (Ntsako)	2	1199.5	1624.5	2	1199.2	1624.5	0	0	0	0	0	0
5	Mjikelezo ,L (Luvuyo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mjikelezo ,L (Luvuyo)	1	1580.7	1155.7	1	1583.1	1155.7	0	0	0	0	0	0
6	Grootboom ,C (Chante)	1	1	425	1	1	425	0	0	0	0	0	0
6	Grootboom ,C (Chante)	1	1370.1	1795.1	1	1362.7	1795.1	0	0	0	0	0	0
7	Thsbethe ,T (Themba)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Thsbethe ,T (Themba)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Davids ,A (Anton)	1	1	425	1	1	425	0	0	0	0	0	0
8	Davids ,A (Anton)	1	1422	1847	1	1414.7	1847	0	0	0	0	0	0
9	Kale ,A (Akhona)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Kale ,A (Akhona)	1	1426.3	1001.3	1	1439.2	1001.3	0	0	0	0	0	0
10	Kawa ,M (Mahlatse)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Kawa ,M (Mahlatse)	1	1283	1283	1	1294.4	1283	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Gumbo, M (Mark Emmanuel)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms