Chess South Africa Ratings Database

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Personal

Celliers, M (Morgan)

Chess SA id

1160152443

FIDE id

Date of birth

2016-02-17 (U10)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1286.7

Item	Main	Standard	Rapid	Blitz
Rating	1427.8	1437.9	1312.3	1207.9
Raw rating	1427.8	1437.9	1312.3	1207.9
Weighted rating	1364.8	1345.8	1305.2	1201.2
Weighted performance	1319.9	1380.6	0	0
Floor	938.8	937.9	840.4	707.9
K-factor	32	32	36	36
Min/Max rating change allowed	119.9	118.2	141.3	164
Highest rating	1476.1 2023-03-01	1473.7 2023-03-01	1613.9 2024-11-01	1207.9 2025-09-30
Highest raw rating	1438.8 2025-08-01	1437.9 2025-09-30	1340.4 2024-12-01	1207.9 2025-09-30
Highest weighted rating	1372 2025-06-01	1338.2 2025-06-01	1305.2 2025-11-01	1200.6 2025-09-30
Highest weighted performance	1476.1 2023-03-01	1473.7 2023-03-01	1613.9 2024-11-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1427.8	1437.9	1312.3	1207.9
Analysis
Rating	1427.8	1437.9	1312.3	1207.9
Raw rating	1427.8	1437.9	1312.3	1207.9
Weighted rating	1364.8	1345.8	1305.2
Weighted performance	1319.9	1380.6	0
K-factor	32	32	36	36
Floor	938.8	937.9	840.4	707.9
Max/Min rating change allowed	119.9	118.2	141.3	164
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	1427.8	1437.9	1312.3	1207.9
New weighted rating	1371.7	1354.6	1308.4	1201.8
New weighted performance	1312	1372.4	0	0
Temp new rating	1427.8	1437.9	1312.3	1207.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1427.8	1437.9	1312.3	1207.9
New K-factor	32	32	36	36
New floor	938.8	937.9	840.4	707.9

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	72	63	3	6
	26	15	11	0
	33	33	0	0
	0	0	0	0
	0	0	0	0
History	131	111	14	6

Games since
	Main 98	Standard 78		Rapid 14		Blitz 6
Gender	Male
Age group	U10
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1899		232		76
Male	1571		198		66
U10	112		14		6
U10 Male	98		11		5
Standard
	RSA		Province		Region
Overall	1708		212		70
Male	1413		179		58
U10	106		14		5
U10 Male	92		11		4
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-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	72	39	54.17	35.4	1331.1	1366.5
Standard	63	35	55.56	47.2	1327.3	1374.5
Rapid	3	1	33.33	-141.7	1459.8	1318.1
Blitz	6	3	50	0	1306.5	1306.5
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	131	79	60.31	87.6	1283.3	1370.9
Standard	111	65	58.56	72.7	1284.8	1357.6
Rapid	14	11	78.57	242.9	1261	1503.8
Blitz	6	3	50	0	1306.5	1306.5

Date	Main	Standard	Rapid	Blitz
2025-11-01	1427.8	1437.9	1312.3	1207.9
2025-09-30	1433.4	1437.9	1340.4	1207.9
2025-09-01	1400.8	1401.7	1340.4	1200
2025-08-01	1438.8	1436.8	1340.4	1200
2025-07-01	1331.4	1307.3	1340.4	1200
2025-06-01	1349.5	1331.2	1340.4	1200
2025-05-01	1367.9	1338.2	1340.4	1200
2025-04-01	1358.2	1316.7	1340.4	1200
2025-03-01	1372	1319.2	1340.4	1200
2025-02-01	1369.7	1301.9	1340.4	1200
2025-01-01	1369.7	1300.1	1340.4	1200
2024-12-01	1369.7	1300.1	1340.4	1200
2024-11-01	1344.2	1300.1	1288.6	1200
2024-10-01	1296.2	1300.1	1200	1200
2024-09-01	1296.2	1300.1	1200	1200
2024-08-01	1296.2	1300.1	1200	1200
2024-07-01	1296.2	1300.1	1200	1200
2024-09-01	1296.2	1300.1	1200	1200
2024-05-01	1305.2	1312.3	1200	1200
2024-04-01	1294.4	1301.1	1200	1200
2024-03-01	1294.4	1301.1	1200	1200
2024-02-01	1294.4	1301.1	1200	1200
2024-01-01	1294.4	1301.1	1200	1200
2023-12-01	1294.4	1301.1	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	PECC - Rapid 2025 (A)	2025-10-23	2025-10-30	Rapid	Nelson Mandela Bay (ENM)	6	3	1	Yes	Analysis
2	PECC - Club Blitz 2025	2025-09-18	2025-09-18	Blitz	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
3	EC Closed 2025 (U8+U10 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
4	UCC Mind Over Board 2025 (B)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
5	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	4.5	Yes	Analysis
6	Eastern Cape Inter-Regional Team Chess Championship 2025 (U10)	2025-07-10	2025-07-10	Standard	Amathole (EAL)	5	3	2.5	Yes	Analysis
7	Ty's Winter Classic 2025	2025-06-27	2025-06-28	Standard	Nelson Mandela Bay (ENM)	7	7	1	Yes	Analysis
8	NMBCU Closed 2025 (U10)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
9	NMBCU Open 2025 (C)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
10	NMBCU Trial 4 2025 (U10)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
11	NMB 3rd Trials 2025 (U10)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
12	NMB 2nd Trials 2025 (U10)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
13	NMBCH Trial 1 2025 (U10)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	PECC - Rapid 2025 (A)	2025-10-23	2025-10-30	Rapid	Nelson Mandela Bay (ENM)	6	3	1	Yes	Analysis
2	PECC - Club Blitz 2025	2025-09-18	2025-09-18	Blitz	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
3	EC Closed 2025 (U8+U10 Boys)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
4	UCC Mind Over Board 2025 (B)	2025-08-01	2025-08-03	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
5	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U10 Open)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	6	4.5	Yes	Analysis
6	Eastern Cape Inter-Regional Team Chess Championship 2025 (U10)	2025-07-10	2025-07-10	Standard	Amathole (EAL)	5	3	2.5	Yes	Analysis
7	Ty's Winter Classic 2025	2025-06-27	2025-06-28	Standard	Nelson Mandela Bay (ENM)	7	7	1	Yes	Analysis
8	NMBCU Closed 2025 (U10)	2025-06-13	2025-06-14	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
9	NMBCU Open 2025 (C)	2025-05-23	2025-05-24	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
10	NMBCU Trial 4 2025 (U10)	2025-05-09	2025-05-10	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
11	NMB 3rd Trials 2025 (U10)	2025-04-11	2025-04-12	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
12	NMB 2nd Trials 2025 (U10)	2025-03-07	2025-03-08	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
13	NMBCH Trial 1 2025 (U10)	2025-02-14	2025-02-15	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
14	Grey Junior School Chess Team Championship 2024 (Junior)	2024-11-02	2024-11-02	Rapid	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
15	NMBCU Top Schools 2024 (Junior Primary)	2024-10-12	2024-10-12	Rapid	Nelson Mandela Bay (ENM)	5	5	5	Yes	Analysis
16	South African Junior Closed Chess Championship 2024 (U8 Open)	2024-04-27	2024-05-01	Standard	Ekurhuleni (GE)	9	9	4	Yes	Analysis
17	NMBCU Trials 2 2024 (U10)	2024-04-12	2024-04-13	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
18	Eastern Cape Provincial Individual Championship 2023 (U8 Boys)	2023-10-05	2023-10-05	Standard	Nelson Mandela Bay (ENM)	7	7	5	Yes	Analysis
19	Eastern Cape Chess Team Championship 2023 (U10)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	4	1	Yes	Analysis
20	NMBCU Closed 2023 (U8)	2023-08-11	2023-08-12	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
21	NMBCU Trial 4 2023 (U8)	2023-07-28	2023-07-29	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
22	EP Trials 3 2023 (U8)	2023-05-06	2023-05-06	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis
23	NMB 2nd Trials 2023 (U8)	2023-03-25	2023-03-25	Standard	Nelson Mandela Bay (ENM)	6	6	5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Eastern Cape Inter-Regional Team Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-10	rnd 1	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Khonza, M (Melothando Lisokuhle)				Opponent John, Z (Zayden)
2	6	Tournament Grey Junior School Chess Team Championship 2024				Tournament NMBCH Trial 1 2025
		date 2024-11-02	rnd 2	type Rapid	result 1	date 2025-02-14	rnd 1	type Standard	result 1
		Opponent Brown, K (Kai)				Opponent Kapp, A (Amelie)
3	5	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Louwrens, E (Evan)				Opponent Stian, V (Van Loggerenberg)

#	Games	Start				End
1	7	Tournament Eastern Cape Inter-Regional Team Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-10	rnd 1	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Khonza, M (Melothando Lisokuhle)				Opponent John, Z (Zayden)
2	4	Tournament NMBCH Trial 1 2025				Tournament NMB 2nd Trials 2025
		date 2025-02-15	rnd 6	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Arries, T (Tristan)				Opponent Verwey, M (Malan)
3	4	Tournament NMBCU Closed 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-08-12	rnd 3	type Standard	result 1	date 2023-10-05	rnd 1	type Standard	result 1
		Opponent Viljoen, C (Colton)				Opponent Duvenage, B (Bendre)

#	Games	Start				End
1	5	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 2	type Rapid	result 1	date 2024-11-02	rnd 6	type Rapid	result 1
		Opponent Brown, K (Kai)				Opponent Van Aswegen, E (Elizma)
2	5	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Louwrens, E (Evan)				Opponent Stian, V (Van Loggerenberg)

#	Games	Start				End
1	2	Tournament PECC - Club Blitz 2025				Tournament PECC - Club Blitz 2025
		date 2025-09-18	rnd 5	type Blitz	result 1	date 2025-09-18	rnd 6	type Blitz	result 1
		Opponent Cilliers, L (Liani)				Opponent Goosen, B (Blake)
2	1	Tournament PECC - Club Blitz 2025				Tournament PECC - Club Blitz 2025
		date 2025-09-18	rnd 3	type Blitz	result 1	date 2025-09-18	rnd 3	type Blitz	result 1
		Opponent Bezuidenhout, J (Jarrod)				Opponent Bezuidenhout, J (Jarrod)

#	Games	Start				End
1	6	Tournament Grey Junior School Chess Team Championship 2024				Tournament NMBCH Trial 1 2025
		date 2024-11-02	rnd 2	type Rapid	result 1	date 2025-02-14	rnd 1	type Standard	result 1
		Opponent Brown, K (Kai)				Opponent Kapp, A (Amelie)
2	5	Tournament Eastern Cape Inter-Regional Team Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-10	rnd 3	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Van Huyssteen, Z (Zani)				Opponent John, Z (Zayden)
3	5	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Louwrens, E (Evan)				Opponent Stian, V (Van Loggerenberg)

#	Games	Start				End
1	5	Tournament Eastern Cape Inter-Regional Team Chess Championship 2025				Tournament Eastern Cape Inter-Regional Individual Chess Championship 2025
		date 2025-07-10	rnd 3	type Standard	result 1	date 2025-07-12	rnd 4	type Standard	result 1
		Opponent Van Huyssteen, Z (Zani)				Opponent John, Z (Zayden)
2	4	Tournament NMBCH Trial 1 2025				Tournament NMB 2nd Trials 2025
		date 2025-02-15	rnd 6	type Standard	result 1	date 2025-03-08	rnd 3	type Standard	result 1
		Opponent Arries, T (Tristan)				Opponent Verwey, M (Malan)
3	4	Tournament EP Trials 3 2023				Tournament NMBCU Trial 4 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-07-28	rnd 1	type Standard	result 1
		Opponent Viljoen, C (Colton)				Opponent Mitchell, N (Nicholas)

#	Games	Start				End
1	5	Tournament Grey Junior School Chess Team Championship 2024				Tournament Grey Junior School Chess Team Championship 2024
		date 2024-11-02	rnd 2	type Rapid	result 1	date 2024-11-02	rnd 6	type Rapid	result 1
		Opponent Brown, K (Kai)				Opponent Van Aswegen, E (Elizma)
2	5	Tournament NMBCU Top Schools 2024				Tournament NMBCU Top Schools 2024
		date 2024-10-12	rnd 1	type Rapid	result 1	date 2024-10-12	rnd 5	type Rapid	result 1
		Opponent Louwrens, E (Evan)				Opponent Stian, V (Van Loggerenberg)

#	Games	Start				End
1	2	Tournament PECC - Club Blitz 2025				Tournament PECC - Club Blitz 2025
		date 2025-09-18	rnd 5	type Blitz	result 1	date 2025-09-18	rnd 6	type Blitz	result 1
		Opponent Cilliers, L (Liani)				Opponent Goosen, B (Blake)
2	1	Tournament PECC - Club Blitz 2025				Tournament PECC - Club Blitz 2025
		date 2025-09-18	rnd 3	type Blitz	result 1	date 2025-09-18	rnd 3	type Blitz	result 1
		Opponent Bezuidenhout, J (Jarrod)				Opponent Bezuidenhout, J (Jarrod)

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	Kapp ,A (Amelie)	9	3.5	-94.4	8	3.5	-53.1	1	0	-425	0	0	0
1	Kapp ,A (Amelie)	9	1260	1165.6	8	1219.6	1206.9	1	1195.4	835	0	0	0
2	Verwey ,M (Malan)	7	1	-303.6	7	1	-303.6	0	0	0	0	0	0
2	Verwey ,M (Malan)	7	1471.4	1167.9	7	1464.7	1167.9	0	0	0	0	0	0
3	Kritzinger ,A (Adrian)	7	3	-60.7	5	2	-85	2	1	0	0	0	0
3	Kritzinger ,A (Adrian)	7	1290.1	1229.4	5	1305.3	1205.1	2	1200	1290.1	0	0	0
4	Viljoen ,C (Colton)	6	6	425	6	6	425	0	0	0	0	0	0
4	Viljoen ,C (Colton)	6	1157.3	1582.3	6	1146.9	1582.3	0	0	0	0	0	0
5	John ,Z (Zayden)	5	4	255	5	4	255	0	0	0	0	0	0
5	John ,Z (Zayden)	5	1247.9	1502.9	5	1251.5	1502.9	0	0	0	0	0	0
6	Borriero ,L (Luca)	5	2	-85	5	2	-85	0	0	0	0	0	0
6	Borriero ,L (Luca)	5	1246.9	1161.9	5	1245.5	1161.9	0	0	0	0	0	0
7	Mitchell ,N (Nicholas)	4	4	425	4	4	425	0	0	0	0	0	0
7	Mitchell ,N (Nicholas)	4	1199.1	1624.1	4	1198.8	1624.1	0	0	0	0	0	0
8	Coltman ,A (Ariana)	4	3.5	318.8	4	3.5	318.8	0	0	0	0	0	0
8	Coltman ,A (Ariana)	4	1098.5	1417.2	4	1085.2	1417.2	0	0	0	0	0	0
9	Kapp ,M (Michael)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
9	Kapp ,M (Michael)	3	1342.4	1200.7	3	1338.1	1200.7	0	0	0	0	0	0
10	Arries ,T (Tristan)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
10	Arries ,T (Tristan)	3	1422.2	1280.6	3	1417.1	1280.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Celliers, M (Morgan)

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Last 24 raw ratings

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Top 3 Streaks

Top 10 opponents most often played

Norms