Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, M (Monica)

Chess SA id

2120141082

FIDE id

Date of birth

2012-12-04 (U14)

Gender

Female

Region

Capricorn (LCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-13

Personal details last changed

1900-01-01

Junior GPX Games

48.4

Junior GPX Points

1142.6

Item	Main	Standard	Rapid	Blitz
Rating	1202.3	1200.4	1162.2	1200
Raw rating	1202.3	1200.4	1162.2	1200
Weighted rating	1128.3	1129.5	1152.5	1200
Weighted performance	1190.2	1194.2	1078.8	0
Floor	741.1	746.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.3	165.7	175	165.8
Highest rating	1241.1 2023-11-01	1246.9 2023-11-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1241.1 2023-11-01	1246.9 2023-11-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1241.1 2023-11-01	1246.9 2023-11-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1239.8 2023-10-01	1239.3 2023-10-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1202.3	1200.4	1162.2	1200
Analysis
Rating	1202.3	1200.4	1162.2	1200
Raw rating	1202.3	1200.4	1162.2	1200
Weighted rating	1128.3	1129.5	1152.5
Weighted performance	1190.2	1194.2	1078.8
K-factor	36	36	36	36
Floor	741.1	746.9	700	700
Max/Min rating change allowed	165.3	165.7	175	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	1202.3	1200.4	1162.2	1200
New weighted rating	1134.3	1135.4	1152.9	1200
New weighted performance	1183.1	1186.9	1072	0
Temp new rating	1202.3	1200.4	1162.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1202.3	1200.4	1162.2	1200
New K-factor	36	36	36	36
New floor	741.1	746.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	47	29	18
	65	45	20
	19	19	0
	5	5	0
	0	0	0
History	136	98	38

Games since
	Main 116	Standard 78		Rapid 38		Blitz 0
Gender	Female
Age group	U14
Region	Capricorn (LCP)
Province	Limpopo (LP)
Main
	RSA		Province		Region
Overall	4116		130		113
Female	991		20		16
U14	803		35		32
U14 Female	233		4		3
Standard
	RSA		Province		Region
Overall	4076		122		111
Female	978		16		14
U14	793		36		34
U14 Female	235		5		4
Rapid
	RSA		Province		Region
Overall	1821		159		70
Female	438		30		11
U14	403		34		20
U14 Female	120		7		3
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	47	19	40.43	-81.4	1287.3	1205.9
Standard	29	11.5	39.66	-87.9	1296.2	1208.2
Rapid	18	7.5	41.67	-70.8	1272.9	1202.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	136	51	37.5	-106.2	1239.2	1132.9
Standard	98	37	37.76	-104.1	1235.6	1131.5
Rapid	38	14	36.84	-111.8	1248.4	1136.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1202.3	1200.4	1162.2	1200
2025-09-30	1202.3	1200.4	1162.2	1200
2025-09-01	1124.3	1130.6	1157.2	1200
2025-08-01	1124.3	1130.6	1157.2	1200
2025-07-01	1124.3	1130.6	1157.2	1200
2025-06-01	1119.4	1126.3	1157.2	1200
2025-05-01	1119.2	1126.3	1157.2	1200
2025-04-01	1190.3	1202.6	1157.2	1200
2025-03-01	1154.6	1159.7	1156.6	1200
2025-02-01	1115.3	1112.4	1156	1200
2025-01-01	1055.2	1054	1131.9	1200
2024-12-01	1075.4	1068.4	1131.9	1200
2024-11-01	1075.4	1068.4	1131.9	1200
2024-10-01	1061.1	1049.3	1131.9	1200
2024-09-01	1091.3	1084.6	1131.9	1200
2024-08-01	1091.3	1084.6	1131.9	1200
2024-07-01	1077.4	1084.6	1106	1200
2024-09-01	1085.7	1084.6	1148.5	1200
2024-05-01	1103.9	1115.9	1148.5	1200
2024-04-01	1137.7	1127.8	1200	1200
2024-03-01	1144	1133.2	1200	1200
2024-02-01	1174.2	1168.8	1200	1200
2024-01-01	1204.3	1201.2	1200	1200
2023-12-01	1204.3	1201.2	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	Capricorn District Qualifying Tournament 8 2025 (U14)	2025-09-13	2025-09-13	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
2	Limpopo Women's Day Open Chess Campionships 2025 (Junior)	2025-08-09	2025-08-09	Rapid	Capricorn (LCP)	7	7	3	Yes	Analysis
3	Capricorn District Qualifying Tournament 5 2025 (U14)	2025-05-17	2025-05-17	Standard	Capricorn (LCP)	5	5	2	Yes	Analysis
4	South African Junior Closed Chess Championships 2025 (U14 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	0.5	Yes	Analysis
5	NABOOMSPAR Open Chess Tournament 21 Mar 2025 (Open)	2025-03-21	2025-03-21	Rapid	Capricorn (LCP)	5	5	2	Yes	Analysis
6	Capricorn District Qualifying Tournament 3 2025 (U14)	2025-03-15	2025-03-15	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
7	2nd Capricorn Open 2025 (C)	2025-03-01	2025-03-01	Rapid	Capricorn (LCP)	6	6	2.5	Yes	Analysis
8	Capricorn District Qualifying Tournament 1 2025 (U14)	2025-02-01	2025-02-01	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Capricorn District Qualifying Tournament 8 2025 (U14)	2025-09-13	2025-09-13	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
2	Limpopo Women's Day Open Chess Campionships 2025 (Junior)	2025-08-09	2025-08-09	Rapid	Capricorn (LCP)	7	7	3	Yes	Analysis
3	Capricorn District Qualifying Tournament 5 2025 (U14)	2025-05-17	2025-05-17	Standard	Capricorn (LCP)	5	5	2	Yes	Analysis
4	South African Junior Closed Chess Championships 2025 (U14 Girls)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	0.5	Yes	Analysis
5	NABOOMSPAR Open Chess Tournament 21 Mar 2025 (Open)	2025-03-21	2025-03-21	Rapid	Capricorn (LCP)	5	5	2	Yes	Analysis
6	Capricorn District Qualifying Tournament 3 2025 (U14)	2025-03-15	2025-03-15	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
7	2nd Capricorn Open 2025 (C)	2025-03-01	2025-03-01	Rapid	Capricorn (LCP)	6	6	2.5	Yes	Analysis
8	Capricorn District Qualifying Tournament 1 2025 (U14)	2025-02-01	2025-02-01	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
9	Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Candidates)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	6	1	Yes	Analysis
10	Limpopo Junior Trials 2024 (U14)	2024-10-05	2024-10-05	Standard	Capricorn (LCP)	5	5	2	Yes	Analysis
11	Capricorn Junior Qualifying 6 2024 (U14)	2024-09-14	2024-09-14	Standard	Capricorn (LCP)	5	5	1	Yes	Analysis
12	Mopani Open 2024 (B)	2024-07-13	2024-07-13	Rapid	Mopani (LMG)	5	5	2.5	Yes	Analysis
13	Nylstroom Modimolle Open Chess Tournament 15 June 2024	2024-06-15	2024-06-15	Rapid	Waterberg (LWM)	5	5	2	Yes	Analysis
14	Capricorn District Primary Schools League Finals 2024 (U13B)	2024-05-25	2024-05-25	Rapid	Capricorn (LCP)	5	5	1	Yes	Analysis
15	Capricorn Junior Qualifying 5 2024 (U14)	2024-05-18	2024-05-18	Standard	Capricorn (LCP)	5	5	1.5	Yes	Analysis
16	Capricorn Junior Qualifying 4 2024 (U14)	2024-05-04	2024-05-04	Standard	Capricorn (LCP)	5	5	1.5	Yes	Analysis
17	NABOOMSPAR Open Chess Tournament 2024 (Open)	2024-04-27	2024-04-27	Standard	Waterberg (LWM)	5	5	2	Yes	Analysis
18	2024 Seshego Easter Open (B)	2024-04-06	2024-04-06	Rapid	Capricorn (LCP)	6	5	1	Yes	Analysis
19	Capricorn District Junior Qualifying 3 2024 (U14)	2024-03-09	2024-03-09	Standard	Capricorn (LCP)	5	5	2	Yes	Analysis
20	Capricorn District Chess Junior Qualifying Tournament 2024 (U14)	2024-02-03	2024-02-03	Standard	Capricorn (LCP)	5	5	1	Yes	Analysis
21	2024 Gauteng Inter-Region Chess Championship (U12B)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
22	2023 Capricorn District Junior Final Trials (U12 Girls)	2023-11-11	2023-11-11	Standard	Capricorn (LCP)	5	4	1	Yes	Analysis
23	Capricorn District Chess Qualifying Tournament 2023 (U12)	2023-10-28	2023-10-28	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
24	Capricorn District Chess Qualifying Tournament 2023 (U12)	2023-10-28	2023-10-28	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
25	Capricorn Qualifying February 4th 2023 (U12)	2023-02-04	2023-02-04	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
26	Capricorn Qualifying May 2022 (U12)	2022-05-21	2022-05-21	Standard	Capricorn (LCP)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Capricorn District Qualifying Tournament 1 2025				Tournament Capricorn District Qualifying Tournament 1 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Kgetlane, M (Meba)				Opponent Sedibe, K (Kgomotso)
2	3	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 4	type Rapid	result 0.5
		Opponent Nambuwaya, T (Tatenda)				Opponent Matlebyane, N (Naledi)
3	3	Tournament Capricorn Qualifying February 4th 2023				Tournament Capricorn District Chess Qualifying Tournament 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Moganedi, R (Reatlegile)				Opponent Phihlela, K (Koena)

#	Games	Start				End
1	3	Tournament Capricorn District Qualifying Tournament 1 2025				Tournament Capricorn District Qualifying Tournament 1 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Kgetlane, M (Meba)				Opponent Sedibe, K (Kgomotso)
2	3	Tournament Capricorn Qualifying February 4th 2023				Tournament Capricorn District Chess Qualifying Tournament 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Moganedi, R (Reatlegile)				Opponent Phihlela, K (Koena)
3	2	Tournament Capricorn District Qualifying Tournament 8 2025				Tournament Capricorn District Qualifying Tournament 8 2025
		date 2025-09-13	rnd 3	type Standard	result 1	date 2025-09-13	rnd 4	type Standard	result 1
		Opponent Pelser, D (Dion)				Opponent Rapholo, R (Rorishang)

#	Games	Start				End
1	3	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 4	type Rapid	result 0.5
		Opponent Nambuwaya, T (Tatenda)				Opponent Matlebyane, N (Naledi)
2	2	Tournament 2nd Capricorn Open 2025				Tournament 2nd Capricorn Open 2025
		date 2025-03-01	rnd 5	type Rapid	result 1	date 2025-03-01	rnd 6	type Rapid	result 0.5
		Opponent Masebe, R (Reabetjo)				Opponent Matsapola, P (Phetogo)
3	1	Tournament Limpopo Women's Day Open Chess Campionships 2025				Tournament Limpopo Women's Day Open Chess Campionships 2025
		date 2025-08-09	rnd 6	type Rapid	result 1	date 2025-08-09	rnd 6	type Rapid	result 1
		Opponent Leach, G (Gavin)				Opponent Leach, G (Gavin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Capricorn District Qualifying Tournament 1 2025				Tournament Capricorn District Qualifying Tournament 1 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Kgetlane, M (Meba)				Opponent Sedibe, K (Kgomotso)
2	3	Tournament Capricorn Qualifying February 4th 2023				Tournament Capricorn District Chess Qualifying Tournament 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Moganedi, R (Reatlegile)				Opponent Phihlela, K (Koena)
3	2	Tournament Capricorn District Qualifying Tournament 8 2025				Tournament Capricorn District Qualifying Tournament 8 2025
		date 2025-09-13	rnd 3	type Standard	result 1	date 2025-09-13	rnd 4	type Standard	result 1
		Opponent Pelser, D (Dion)				Opponent Rapholo, R (Rorishang)

#	Games	Start				End
1	3	Tournament Capricorn District Qualifying Tournament 1 2025				Tournament Capricorn District Qualifying Tournament 1 2025
		date 2025-02-01	rnd 3	type Standard	result 1	date 2025-02-01	rnd 5	type Standard	result 1
		Opponent Kgetlane, M (Meba)				Opponent Sedibe, K (Kgomotso)
2	3	Tournament Capricorn Qualifying February 4th 2023				Tournament Capricorn District Chess Qualifying Tournament 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-10-28	rnd 1	type Standard	result 1
		Opponent Moganedi, R (Reatlegile)				Opponent Phihlela, K (Koena)
3	2	Tournament Capricorn District Qualifying Tournament 8 2025				Tournament Capricorn District Qualifying Tournament 8 2025
		date 2025-09-13	rnd 3	type Standard	result 1	date 2025-09-13	rnd 4	type Standard	result 1
		Opponent Pelser, D (Dion)				Opponent Rapholo, R (Rorishang)

#	Games	Start				End
1	2	Tournament Mopani Open 2024				Tournament Mopani Open 2024
		date 2024-07-13	rnd 2	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Nambuwaya, T (Tatenda)				Opponent Nkateko, B (Banyiko)
2	1	Tournament Limpopo Women's Day Open Chess Campionships 2025				Tournament Limpopo Women's Day Open Chess Campionships 2025
		date 2025-08-09	rnd 6	type Rapid	result 1	date 2025-08-09	rnd 6	type Rapid	result 1
		Opponent Leach, G (Gavin)				Opponent Leach, G (Gavin)
3	1	Tournament Limpopo Women's Day Open Chess Campionships 2025				Tournament Limpopo Women's Day Open Chess Campionships 2025
		date 2025-08-09	rnd 3	type Rapid	result 1	date 2025-08-09	rnd 3	type Rapid	result 1
		Opponent Mashoene, B (Bontle)				Opponent Mashoene, B (Bontle)

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	Sekgaphola ,P (Phuti)	4	0	-425	2	0	-425	2	0	-425	0	0	0
1	Sekgaphola ,P (Phuti)	4	1266.7	841.7	2	1200	841.7	2	1239.5	841.7	0	0	0
2	Mothwa ,T (Tshiamo)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Mothwa ,T (Tshiamo)	3	1191.4	766.4	3	1184	766.4	0	0	0	0	0	0
3	Lekalakala ,RL (Rorisang)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Lekalakala ,RL (Rorisang)	3	1177.7	752.7	3	1174.7	752.7	0	0	0	0	0	0
4	Pelser ,D (Dion)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
4	Pelser ,D (Dion)	3	1310.9	1169.2	2	1343.3	1310.9	1	1168.6	885.9	0	0	0
5	Nkadimeng ,TN (Tlhompho)	2	1	0	2	1	0	0	0	0	0	0	0
5	Nkadimeng ,TN (Tlhompho)	2	1174.8	1174.8	2	1174.9	1174.8	0	0	0	0	0	0
6	Nwandzule ,H (Hlukani)	2	2	425	2	2	425	0	0	0	0	0	0
6	Nwandzule ,H (Hlukani)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
7	Nkadimeng ,O (Omphile)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Nkadimeng ,O (Omphile)	2	1169.1	744.1	2	1164.4	744.1	0	0	0	0	0	0
8	Dibetso ,R (Reikantse)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Dibetso ,R (Reikantse)	2	1134.4	921.9	2	1127	921.9	0	0	0	0	0	0
9	Phihlela ,K (Koena)	2	2	425	2	2	425	0	0	0	0	0	0
9	Phihlela ,K (Koena)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
10	Moganedi ,R (Reatlegile)	2	2	425	2	2	425	0	0	0	0	0	0
10	Moganedi ,R (Reatlegile)	2	1207.3	1632.3	2	1208.2	1632.3	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

Van Der Merwe, M (Monica)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms