Chess South Africa Ratings Database

PLAYER PAGE

Personal

Wessels, M (Melissa)

Chess SA id

2140150057

FIDE id

Date of birth

2014-09-21 (U12)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1008.8	985.3	1200	1200
Raw rating	991.2	965.3	1200	1200
Weighted rating	1008.8	985.3	1200	1200
Weighted performance	805.6	802.7	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	223.3	231.6	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.3	-2.5	0	0
New rating	1006.5	982.8	1200	1200
Analysis
Rating	1008.8	985.3	1200	1200
Raw rating	991.2	965.3	1200	1200
Weighted rating	1008.8	985.3	1200
Weighted performance	805.6	802.7	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	223.3	231.6	165.8	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	991.2	965.3	1200	1200
New weighted rating	1006.5	982.8	1200	1200
New weighted performance	805.3	802.4	0	0
Temp new rating	1006.5	982.8	1200	1200
Temp new rating +/-	-2.3	-2.5	0	0
Final new rating +/-	-2.3	-2.5	0	0
New rating	1006.5	982.8	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	8	8
	23	23
	17	17
	0	0
	0	0
History	48	48

Games since
	Main 31	Standard 31		Rapid 0		Blitz 0
Gender	Female
Age group	U12
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	4380		1223		460
Female	1173		430		178
U12	734		205		90
U12 Female	239		89		48
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-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	8	1	12.5	-318.8	1225.6	906.9
Standard	8	1	12.5	-318.8	1225.6	906.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	48	9.5	19.79	-256.8	1210.6	953.9
Standard	48	9.5	19.79	-256.8	1210.6	953.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	991.2	965.3	1200	1200
2025-09-01	991.2	965.3	1200	1200
2025-08-01	1020.4	997.7	1200	1200
2025-07-01	1020.4	997.7	1200	1200
2025-06-01	1020.4	997.7	1200	1200
2025-05-01	1020.4	997.7	1200	1200
2025-04-01	1020.4	997.7	1200	1200
2025-03-01	1020.4	997.7	1200	1200
2025-02-01	1019.9	997.1	1200	1200
2025-01-01	978.1	953.6	1200	1200
2024-12-01	978.1	953.6	1200	1200
2024-11-01	978.1	953.6	1200	1200
2024-10-01	978.1	953.6	1200	1200
2024-09-01	978.1	953.6	1200	1200
2024-08-01	1006	982.4	1200	1200
2024-07-01	1006	982.4	1200	1200
2024-06-01	1006	982.4	1200	1200
2024-08-01	1006	982.4	1200	1200
2024-04-01	1067.4	1052	1200	1200
2024-03-01	1093.6	1079.2	1200	1200
2024-02-01	1069.5	1044.8	1200	1200
2024-01-01	1069.5	1044.8	1200	1200
2023-12-01	1069.5	1044.8	1200	1200
2023-11-01	1069.5	1044.8	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	Mossel Bay Top Schools 2025 (U11 Girls)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	4	0	Yes	Analysis
2	Mossel Bay Schools Trials 2 2025 (U11 Girls)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mossel Bay Top Schools 2025 (U11 Girls)	2025-08-02	2025-08-02	Standard	Eden (WEG)	5	4	0	Yes	Analysis
2	Mossel Bay Schools Trials 2 2025 (U11 Girls)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	4	1	Yes	Analysis
3	Eden Top Schools 2024 (U11 Girls)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	4	0	Yes	Analysis
4	Eden Chess Trials 2 2024 (U12)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	9	1.5	Yes	Analysis
5	Eden School Chess Trials 1 2024 (U11 Girls)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	1	Yes	Analysis
6	Mossel Bay Schools Trials 2 2024 (U11)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
7	Western Cape Top Schools 2023 (U9 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	5	3	0	Yes	Analysis
8	Eden Trials 2+3 2023 (U10)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	5	1	Yes	Analysis
9	Eden Trails 1 2023 (U9 Girls)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	1	Yes	Analysis
10	Mossel Bay Schools Trials 2 2023 (U9 Boys+Girls)	2023-02-18	2023-02-18	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Mossel Bay Schools Trials 2 2024				Tournament Mossel Bay Schools Trials 2 2024
		date 2024-02-17	rnd 2	type Standard	result 0.5	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent November, M (Marlon)				Opponent Petersen, L (Leoni)
2	2	Tournament Mossel Bay Schools Trials 2 2023				Tournament Mossel Bay Schools Trials 2 2023
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-02-18	rnd 5	type Standard	result 0.5
		Opponent Modupe, L (Lesego)				Opponent Seconds, R (Rochin)
3	1	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Moos, L (Leah)				Opponent Moos, L (Leah)

#	Games	Start				End
1	3	Tournament Mossel Bay Schools Trials 2 2024				Tournament Mossel Bay Schools Trials 2 2024
		date 2024-02-17	rnd 2	type Standard	result 0.5	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent November, M (Marlon)				Opponent Petersen, L (Leoni)
2	2	Tournament Mossel Bay Schools Trials 2 2023				Tournament Mossel Bay Schools Trials 2 2023
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-02-18	rnd 5	type Standard	result 0.5
		Opponent Modupe, L (Lesego)				Opponent Seconds, R (Rochin)
3	1	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Moos, L (Leah)				Opponent Moos, L (Leah)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Mossel Bay Schools Trials 2 2024				Tournament Mossel Bay Schools Trials 2 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Rogers, R (Roshnay)				Opponent Petersen, L (Leoni)
2	1	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Moos, L (Leah)				Opponent Moos, L (Leah)
3	1	Tournament Eden Chess Trials 2 2024				Tournament Eden Chess Trials 2 2024
		date 2024-04-20	rnd 10	type Standard	result 1	date 2024-04-20	rnd 10	type Standard	result 1
		Opponent Snel, C (Caithlin)				Opponent Snel, C (Caithlin)

#	Games	Start				End
1	2	Tournament Mossel Bay Schools Trials 2 2024				Tournament Mossel Bay Schools Trials 2 2024
		date 2024-02-17	rnd 3	type Standard	result 1	date 2024-02-17	rnd 4	type Standard	result 1
		Opponent Rogers, R (Roshnay)				Opponent Petersen, L (Leoni)
2	1	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Moos, L (Leah)				Opponent Moos, L (Leah)
3	1	Tournament Eden Chess Trials 2 2024				Tournament Eden Chess Trials 2 2024
		date 2024-04-20	rnd 10	type Standard	result 1	date 2024-04-20	rnd 10	type Standard	result 1
		Opponent Snel, C (Caithlin)				Opponent Snel, C (Caithlin)

No games found.

#	Games	Start				End

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	Petersen ,U (Ulentia)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Petersen ,U (Ulentia)	3	1214.1	789.1	3	1213.8	789.1	0	0	0	0	0	0
2	Wicombe ,L (Lynne)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Wicombe ,L (Lynne)	3	1193.2	768.2	3	1191.9	768.2	0	0	0	0	0	0
3	Seconds ,R (Roshin)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Seconds ,R (Roshin)	2	1210.2	997.7	2	1206.7	997.7	0	0	0	0	0	0
4	Norgarb ,S (Sophia)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Norgarb ,S (Sophia)	2	1245.4	820.4	2	1244.5	820.4	0	0	0	0	0	0
5	Du Preez ,R (Rumecha)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Du Preez ,R (Rumecha)	1	1244.3	819.3	1	1250.8	819.3	0	0	0	0	0	0
6	Titus ,E (Empress)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Titus ,E (Empress)	1	1176.8	751.8	1	1169.4	751.8	0	0	0	0	0	0
7	Cameron ,N (Noah)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Cameron ,N (Noah)	1	1195.5	770.5	1	1193.9	770.5	0	0	0	0	0	0
8	James ,S (Sarah-Jane)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	James ,S (Sarah-Jane)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Van Rooyen ,N (Niche-Leigh)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Rooyen ,N (Niche-Leigh)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Frans ,L (Lyle)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Frans ,L (Lyle)	1	1183	1183	1	1179.6	1183	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Wessels, M (Melissa)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms