Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lewis, M (Mark)

Chess SA id

1660118616

FIDE id

Date of birth

1966-12-15 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1304.4	1281.6	1210.8	1224
Raw rating	1303.5	1265.6	1210.8	1224
Weighted rating	1304.4	1281.6	1206	1182.5
Weighted performance	1210.1	1115.3	0	1093.6
Floor	815.7	808.3	710.8	736.4
K-factor	36	36	36	36
Min/Max rating change allowed	143.1	151	163.3	160.2
Highest rating	1332.6 2019-10-01	1325.4 2019-10-01	1210.8 2025-03-01	1236.4 2024-10-01
Highest raw rating	1315.7 2025-09-01	1308.3 2023-12-01	1210.8 2025-03-01	1236.4 2024-10-01
Highest weighted rating	1304.4 2025-11-01	1308.3 2024-06-01	1210.8 2018-10-01	1236.4 2018-10-01
Highest weighted performance	1332.6 2019-10-01	1325.4 2019-10-01	0 2025-01-01	1293.9 2025-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	-1.7	0	0
New rating	1304.5	1280	1210.8	1224
Analysis
Rating	1304.4	1281.6	1210.8	1224
Raw rating	1303.5	1265.6	1210.8	1224
Weighted rating	1304.4	1281.6	1206
Weighted performance	1210.1	1115.3	0
K-factor	36	36	36	36
Floor	815.7	808.3	710.8	736.4
Max/Min rating change allowed	143.1	151	163.3	160.2
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	1303.5	1265.6	1210.8	1224
New weighted rating	1304.5	1280	1206.7	1189.6
New weighted performance	1202.6	1108	0	1086.6
Temp new rating	1304.5	1280	1210.8	1224
Temp new rating +/-	0.1	-1.7	0	0
Final new rating +/-	0.1	-1.7	0	0
New rating	1304.5	1280	1210.8	1224
New K-factor	36	36	36	36
New floor	815.7	808.3	710.8	736.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	20	8	6	6
	68	16	0	52
	55	21	6	28
	33	10	0	23
	12	5	7	0
History	210	78	19	113

Games since
	Main 98	Standard 34		Rapid 6		Blitz 58
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	3230		1060		294
Male	2524		786		212
Adult	595		188		43
Adult Male	542		170		40
Standard
	RSA		Province		Region
Overall	3358		958		317
Male	2610		689		220
Adult	564		140		16
Adult Male	513		125		15
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	415		157		61
Male	384		147		57
Adult	237		97		38
Adult Male	227		92		36


	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	20	10	50	0	1354.2	1354.2
Standard	8	3	37.5	-106.2	1376.7	1270.5
Rapid	6	3	50	0	1406.7	1406.7
Blitz	6	4	66.67	141.7	1271.6	1413.3
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	210	95.5	45.48	-38.5	1331.5	1293
Standard	78	39.5	50.64	5.4	1285.8	1291.2
Rapid	19	10	52.63	22.4	1295.3	1317.6
Blitz	113	46	40.71	-79	1369.1	1290.1

Date	Main	Standard	Rapid	Blitz
2025-11-01	1303.5	1265.6	1210.8	1224
2025-09-30	1315.7	1287.9	1210.8	1224
2025-09-01	1315.7	1287.9	1210.8	1224
2025-08-01	1313.3	1284.1	1210.8	1224
2025-07-01	1308.4	1284.1	1210.8	1184.2
2025-06-01	1308.4	1284.1	1210.8	1184.2
2025-05-01	1308.4	1284.1	1210.8	1184.2
2025-04-01	1308.4	1284.1	1210.8	1184.2
2025-03-01	1308.4	1284	1210.8	1184.2
2025-02-01	1290.8	1282.3	1199.1	1184.2
2025-01-01	1283.8	1256.5	1199.1	1184.2
2024-12-01	1283.8	1256.5	1199.1	1184.2
2024-11-01	1298.1	1271.3	1199.1	1184.2
2024-10-01	1300.3	1271.3	1199.1	1236.4
2024-09-01	1303	1284.6	1199.1	1179.6
2024-08-01	1303	1284.6	1199.1	1179.6
2024-07-01	1298.7	1284.6	1199.1	1190
2024-09-01	1314.2	1305.1	1199.1	1190
2024-05-01	1296.8	1305.1	1199.1	1011.2
2024-04-01	1297.4	1305.1	1199.1	942.8
2024-03-01	1297.4	1305.1	1199.1	942.8
2024-02-01	1297.4	1305.1	1199.1	942.8
2024-01-01	1297.4	1305.1	1199.1	942.8
2023-12-01	1297.4	1305.1	1143.2	942.8

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	Eden League 2025 (First Division)	2025-10-11	2025-10-11	Standard	Eden (WEG)	5	3	1	Yes	Analysis
2	2025 Eden Open & Women's Tournament (Advanced)	2025-08-23	2025-08-23	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Interclub Blitz 3 2025	2025-07-30	2025-07-30	Blitz	Eden (WEG)	6	6	4	Yes	Analysis
4	InterClub Blitz 2 2025	2025-05-08	2025-05-08	Blitz	Eden (WEG)	10	0	0	No	Analysis
5	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden League 2025 (First Division)	2025-10-11	2025-10-11	Standard	Eden (WEG)	5	3	1	Yes	Analysis
2	2025 Eden Open & Women's Tournament (Advanced)	2025-08-23	2025-08-23	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Interclub Blitz 3 2025	2025-07-30	2025-07-30	Blitz	Eden (WEG)	6	6	4	Yes	Analysis
4	InterClub Blitz 2 2025	2025-05-08	2025-05-08	Blitz	Eden (WEG)	10	0	0	No	Analysis
5	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
6	Eden Gambit Chess Tournament 2024 (B)	2024-11-02	2024-11-02	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
7	InterClub Blitz 5 2024	2024-10-07	2024-10-07	Blitz	Eden (WEG)	6	6	2	Yes	Analysis
8	Mossel Bay Open 2024 (B)	2024-09-21	2024-09-21	Standard	Eden (WEG)	6	6	3	Yes	Analysis
9	Mosselbay Chess Club Blitz 2024	2024-09-20	2024-09-20	Blitz	Eden (WEG)	9	8	3	Yes	Analysis
10	InterClub Blitz 4 2024	2024-09-04	2024-09-04	Blitz	Eden (WEG)	10	8	5	Yes	Analysis
11	Eden Blitz 2024	2024-08-30	2024-08-30	Blitz	Eden (WEG)	9	8	3	Yes	Analysis
12	InterClub Blitz 3 Open 2024	2024-07-18	2024-07-18	Blitz	Eden (WEG)	10	6	2.5	Yes	Analysis
13	Eden Open 2024 (A)	2024-06-22	2024-06-22	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
14	InterClub Blitz 2 2024	2024-05-16	2024-05-16	Blitz	Eden (WEG)	10	8	7	Yes	Analysis
15	InterClub Blitz 1 2024	2024-04-17	2024-04-17	Blitz	Eden (WEG)	10	8	3	Yes	Analysis
16	Eden Open 2023 (B)	2023-12-02	2023-12-02	Standard	Eden (WEG)	5	5	3	Yes	Analysis
17	Eden Chess Union League 2023 (1st Division)	2023-11-11	2023-11-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
18	InterClub Blitz 2023	2023-10-11	2023-10-11	Blitz	Eden (WEG)	6	6	1.5	Yes	Analysis
19	Mossel Bay Open 2023 (B)	2023-09-30	2023-10-01	Standard	Eden (WEG)	6	6	4	Yes	Analysis
20	Knysna Oyster Festival 2023 (Open)	2023-07-01	2023-07-01	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
21	InterClub Blitz 3 2023	2023-07-20	2023-07-20	Blitz	Eden (WEG)	10	8	2	Yes	Analysis
22	Inter Club Blitz 2 2023 (Open)	2023-06-21	2023-06-21	Blitz	Eden (WEG)	10	6	2	Yes	Analysis
23	Inter Club Blitz 1 2023	2023-05-24	2023-05-24	Blitz	Eden (WEG)	10	8	4	Yes	Analysis
24	George Chess Club Winter Open 2023 (B)	2023-05-20	2023-05-20	Standard	Eden (WEG)	5	5	2	Yes	Analysis
25	George Open 2022 (B)	2022-12-03	2022-12-03	Standard	Eden (WEG)	5	5	3	Yes	Analysis
26	Interclub Blitz Evening (Mossel Bay)	2022-10-26	2022-10-26	Blitz	Eden (WEG)	6	6	1	Yes	Analysis
27	Pacaltsdorp Chess Club 2022 (Blitz)	2022-08-26	2022-08-26	Blitz	Eden (WEG)	6	5	1	Yes	Analysis
28	Interclub Blitz Evening 2022	2022-08-11	2022-08-11	Blitz	Eden (WEG)	6	6	2	Yes	Analysis
29	Interclub Blitz Evening 2022	2022-05-11	2022-05-11	Blitz	Eden (WEG)	6	6	1	Yes	Analysis
30	Eden Open 2022 (B)	2022-04-22	2022-04-24	Standard	Eden (WEG)	6	5	2.5	Yes	Analysis
31	Western Cape Club Championships 2021 (C)	2021-10-15	2021-10-17	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
32	Eden Chess League 2021 (2nd Division)	2021-09-18	2021-09-18	Rapid	Eden (WEG)	7	7	4	Yes	Analysis
33	Quadrangular Chess Tournament First Leg 2020	2020-02-12	2020-02-12	Blitz	Eden (WEG)	6	4	2	Yes	Analysis
34	George Open Chess Tournament 2019 (B)	2019-11-30	2019-12-01	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
35	Mossel Bay Chess Open 2019 (B)	2019-10-04	2019-10-05	Standard	Eden (WEG)	6	6	4	Yes	Analysis
36	Pacaltsdorp Open 2019 (B)	2019-08-30	2019-08-31	Standard	Eden (WEG)	6	6	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 2 2024
		date 2024-05-16	rnd 3	type Blitz	result 1	date 2024-05-16	rnd 8	type Blitz	result 1
		Opponent Jacobs, S (Shaquille)				Opponent Adams, J (Jayden)
2	4	Tournament InterClub Blitz 3 Open 2024				Tournament Eden Blitz 2024
		date 2024-07-18	rnd 4	type Blitz	result 0.5	date 2024-08-30	rnd 1	type Blitz	result 1
		Opponent Brink, A (Andrew)				Opponent Blignaut, DC (Dane)
3	4	Tournament Western Cape Club Championships 2021				Tournament Eden Open 2022
		date 2021-10-16	rnd 4	type Standard	result 0.5	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Eksteen, LH (Leigh-Hende)				Opponent Prins, R (Reinhart)

#	Games	Start				End
1	4	Tournament Western Cape Club Championships 2021				Tournament Eden Open 2022
		date 2021-10-16	rnd 4	type Standard	result 0.5	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Eksteen, LH (Leigh-Hende)				Opponent Prins, R (Reinhart)
2	3	Tournament Mossel Bay Open 2023				Tournament Eden Chess Union League 2023
		date 2023-10-01	rnd 5	type Standard	result 1	date 2023-11-11	rnd 1	type Standard	result 1
		Opponent Van Rensburg, E (Ethan)				Opponent Van Staden, N (Neeson)
3	3	Tournament George Open 2022				Tournament George Chess Club Winter Open 2023
		date 2022-12-03	rnd 5	type Standard	result 1	date 2023-05-20	rnd 2	type Standard	result 1
		Opponent Mpuru, T (Tebello)				Opponent Hone, R (Ryan)

#	Games	Start				End
1	3	Tournament Eden Chess League 2021				Tournament Eden Chess League 2021
		date 2021-09-18	rnd 5	type Rapid	result 1	date 2021-09-18	rnd 7	type Rapid	result 1
		Opponent Fredericks, M (Marco)				Opponent Barnardo, M (Miguel)
2	2	Tournament Knysna Oyster Festival 2023				Tournament Eden Rapid 2025
		date 2023-07-01	rnd 6	type Rapid	result 1	date 2025-02-23	rnd 1	type Rapid	result 1
		Opponent Manho, A (Adrian)				Opponent Cornforth, K (Kayleigh)
3	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 6	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Kiewiet, C (Curtis)				Opponent Kiewiet, C (Curtis)

#	Games	Start				End
1	6	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 2 2024
		date 2024-05-16	rnd 3	type Blitz	result 1	date 2024-05-16	rnd 8	type Blitz	result 1
		Opponent Jacobs, S (Shaquille)				Opponent Adams, J (Jayden)
2	4	Tournament InterClub Blitz 3 Open 2024				Tournament Eden Blitz 2024
		date 2024-07-18	rnd 4	type Blitz	result 0.5	date 2024-08-30	rnd 1	type Blitz	result 1
		Opponent Brink, A (Andrew)				Opponent Blignaut, DC (Dane)
3	3	Tournament Interclub Blitz 3 2025				Tournament Interclub Blitz 3 2025
		date 2025-07-30	rnd 2	type Blitz	result 1	date 2025-07-30	rnd 4	type Blitz	result 1
		Opponent Faller, P (Peter)				Opponent Du Preez, R (Rumecha)

#	Games	Start				End
1	6	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 2 2024
		date 2024-05-16	rnd 3	type Blitz	result 1	date 2024-05-16	rnd 8	type Blitz	result 1
		Opponent Jacobs, S (Shaquille)				Opponent Adams, J (Jayden)
2	4	Tournament Eden Chess League 2021				Tournament Western Cape Club Championships 2021
		date 2021-09-18	rnd 5	type Rapid	result 1	date 2021-10-15	rnd 1	type Standard	result 1
		Opponent Fredericks, M (Marco)				Opponent Roberts, I (Iwan)
3	3	Tournament Interclub Blitz 3 2025				Tournament Interclub Blitz 3 2025
		date 2025-07-30	rnd 2	type Blitz	result 1	date 2025-07-30	rnd 4	type Blitz	result 1
		Opponent Faller, P (Peter)				Opponent Du Preez, R (Rumecha)

#	Games	Start				End
1	3	Tournament Mossel Bay Open 2023				Tournament Eden Chess Union League 2023
		date 2023-10-01	rnd 5	type Standard	result 1	date 2023-11-11	rnd 1	type Standard	result 1
		Opponent Van Rensburg, E (Ethan)				Opponent Van Staden, N (Neeson)
2	3	Tournament George Open 2022				Tournament George Chess Club Winter Open 2023
		date 2022-12-03	rnd 5	type Standard	result 1	date 2023-05-20	rnd 2	type Standard	result 1
		Opponent Mpuru, T (Tebello)				Opponent Hone, R (Ryan)
3	3	Tournament Western Cape Club Championships 2021				Tournament Eden Open 2022
		date 2021-10-17	rnd 5	type Standard	result 1	date 2022-04-23	rnd 3	type Standard	result 1
		Opponent Van Loggerenberg, S (Steyn)				Opponent Prins, R (Reinhart)

#	Games	Start				End
1	3	Tournament Eden Chess League 2021				Tournament Eden Chess League 2021
		date 2021-09-18	rnd 5	type Rapid	result 1	date 2021-09-18	rnd 7	type Rapid	result 1
		Opponent Fredericks, M (Marco)				Opponent Barnardo, M (Miguel)
2	2	Tournament Knysna Oyster Festival 2023				Tournament Eden Rapid 2025
		date 2023-07-01	rnd 6	type Rapid	result 1	date 2025-02-23	rnd 1	type Rapid	result 1
		Opponent Manho, A (Adrian)				Opponent Cornforth, K (Kayleigh)
3	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 6	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Kiewiet, C (Curtis)				Opponent Kiewiet, C (Curtis)

#	Games	Start				End
1	6	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 2 2024
		date 2024-05-16	rnd 3	type Blitz	result 1	date 2024-05-16	rnd 8	type Blitz	result 1
		Opponent Jacobs, S (Shaquille)				Opponent Adams, J (Jayden)
2	3	Tournament Interclub Blitz 3 2025				Tournament Interclub Blitz 3 2025
		date 2025-07-30	rnd 2	type Blitz	result 1	date 2025-07-30	rnd 4	type Blitz	result 1
		Opponent Faller, P (Peter)				Opponent Du Preez, R (Rumecha)
3	3	Tournament InterClub Blitz 4 2024				Tournament InterClub Blitz 4 2024
		date 2024-09-04	rnd 5	type Blitz	result 1	date 2024-09-04	rnd 7	type Blitz	result 1
		Opponent Oktober, D (Dimitri)				Opponent Marner, L (Loannes)

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	Jansen Van Rensburg ,R (Ruan)	9	1.5	-283.3	3	0.5	-283.3	1	0	-425	5	1	-255
1	Jansen Van Rensburg ,R (Ruan)	9	1441.8	1158.5	3	1349	1158.5	1	1341.7	1016.8	5	1385.6	1186.8
2	Brink ,A (Andrew)	8	2.5	-159.4	0	0	0	0	0	0	8	2.5	-159.4
2	Brink ,A (Andrew)	8	1572.8	1413.4	0	0	0	0	0	0	8	1238.8	1413.4
3	Vutabashwe ,J (Josh)	8	3	-106.2	0	0	0	0	0	0	8	3	-106.2
3	Vutabashwe ,J (Josh)	8	1237.5	1131.2	0	0	0	0	0	0	8	1135.5	1131.2
4	Kleinhans ,D (Duwin)	7	2	-182.1	1	0	-425	0	0	0	6	2	-141.7
4	Kleinhans ,D (Duwin)	7	1282.8	1100.6	1	1203.3	857.8	0	0	0	6	1190.7	1141.1
5	Oktober ,D (Dimitri)	6	4	141.7	0	0	0	0	0	0	6	4	141.7
5	Oktober ,D (Dimitri)	6	1213.1	1354.7	0	0	0	0	0	0	6	1174.5	1354.7
6	Reynolds ,E (Erwee)	5	3.5	170	2	2	425	0	0	0	3	1.5	0
6	Reynolds ,E (Erwee)	5	1251.4	1421.4	2	1171.6	1676.4	0	0	0	3	994.7	1251.4
7	Hone ,R (Ryan)	5	3	85	1	1	425	0	0	0	4	2	0
7	Hone ,R (Ryan)	5	1387	1472	1	1318.4	1812	0	0	0	4	1211.2	1387
8	Jacobs ,S (Shaquille)	4	2	0	2	0	-425	0	0	0	2	2	425
8	Jacobs ,S (Shaquille)	4	1454.1	1454.1	2	1493	1029.1	0	0	0	2	1201.2	1879.1
9	Claassen ,R (Ruwaldo)	4	0	-425	0	0	0	0	0	0	4	0	-425
9	Claassen ,R (Ruwaldo)	4	1583.7	1158.7	0	0	0	0	0	0	4	1357.4	1158.7
10	Heesen ,T (Tyler)	4	1	-212.5	0	0	0	0	0	0	4	1	-212.5
10	Heesen ,T (Tyler)	4	1412.7	1200.2	0	0	0	0	0	0	4	530.2	1200.2

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Lewis, M (Mark)

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Last 24 raw ratings

Rating graph

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Top 3 Streaks

Top 10 opponents most often played

Norms