Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, R (Ryan)

Chess SA id

195005262

FIDE id

Date of birth

1995-10-05 (Adult)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-09-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1815	1853.1	1752	1726.5
Raw rating	1815	1853.1	1752	1726.5
Weighted rating	1814.4	1852.2	1752	1726.5
Weighted performance	372.1	369.6	0	0
Floor	1315	1353.1	1252	1252
K-factor	24	24	28	28
Min/Max rating change allowed	69	65.4	75.5	78.3
Highest rating	1815 2024-02-01	1853.1 2024-02-01	1752 2018-04-01	1752 2018-04-01
Highest raw rating	1815 2024-02-01	1853.1 2024-02-01	1752 2024-02-01	1752 2018-02-01
Highest weighted rating	1812.9 2025-08-01	1849.9 2025-08-01	1752 2018-04-01	1752 2018-04-01
Highest weighted performance	1699.2 2019-05-01	1692 2019-05-01	1200 2024-02-01	1426.5 2019-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1815	1853.1	1752	1726.5
Analysis
Rating	1815	1853.1	1752	1726.5
Raw rating	1815	1853.1	1752	1726.5
Weighted rating	1814.4	1852.2	1752
Weighted performance	372.1	369.6	0
K-factor	24	24	28	28
Floor	1315	1353.1	1252	1252
Max/Min rating change allowed	69	65.4	75.5	78.3
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	1815	1853.1	1752	1726.5
New weighted rating	1814.8	1852.8	1752	1726.5
New weighted performance	371.5	369	0	0
Temp new rating	1815	1853.1	1752	1726.5
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1815	1853.1	1752	1726.5
New K-factor	24	24	28	28
New floor	1315	1353.1	1252	1252

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	231	217	7	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
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	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	70	62	88.57	327.9	1299.9	1627.8
Standard	63	56	88.89	330.6	1294.7	1625.3
Rapid	0	0	0	0	0	0
Blitz	7	6	85.71	303.6	1346.7	1650.3

Date	Main	Standard	Rapid	Blitz
2025-09-30	1815	1853.1	1752	1726.5
2025-09-01	1815	1853.1	1752	1726.5
2025-08-01	1815	1853.1	1752	1726.5
2025-07-01	1815	1853.1	1752	1726.5
2025-06-01	1815	1853.1	1752	1726.5
2025-05-01	1815	1853.1	1752	1726.5
2025-04-01	1815	1853.1	1752	1726.5
2025-03-01	1815	1853.1	1752	1726.5
2025-02-01	1815	1853.1	1752	1726.5
2025-01-01	1815	1853.1	1752	1726.5
2024-12-01	1815	1853.1	1752	1726.5
2024-11-01	1815	1853.1	1752	1726.5
2024-10-01	1815	1853.1	1752	1726.5
2024-09-01	1815	1853.1	1752	1726.5
2024-08-01	1815	1853.1	1752	1726.5
2024-07-01	1815	1853.1	1752	1726.5
2024-06-01	1815	1853.1	1752	1726.5
2024-08-01	1815	1853.1	1752	1726.5
2024-04-01	1815	1853.1	1752	1726.5
2024-03-01	1815	1853.1	1752	1726.5
2024-02-01	1815	1853.1	1752	1726.5
2024-01-01	1815	1853.1	1752	1726.5
2023-12-01	1750.7	1756.5	1752	1726.5
2023-11-01	1750.7	1756.5	1752	1726.5

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2019 King Cetswayo Winter Championship (U16-Adult)	2019-08-31	2019-09-01	Standard	iLembe (KIK)	7	6	6	Yes	Analysis
2	2019 King Cetswayo Fun (Blitz)	2019-07-27	2019-07-27	Blitz	King Cetshwayo (KUR)	7	7	6	Yes	Analysis
3	2019 King Cetswayo Fun (Open)	2019-07-27	2019-07-28	Standard	King Cetshwayo (KUR)	6	6	5	Yes	Analysis
4	2019 King Cetshwayo Championship (U20+Adult)	2019-05-04	2019-05-05	Standard	King Cetshwayo (KUR)	6	6	6	Yes	Analysis
5	2019 Ethekwini Open (A)	2019-03-30	2019-03-31	Standard	Ethekwini (KED)	6	6	4	Yes	Analysis
6	2019 Unizulu Open (U20+Adults)	2019-03-23	2019-03-24	Standard	Zululand (KUZ)	7	7	7	Yes	Analysis
7	2018 KZN District Club Championship	2018-09-29	2018-09-30	Standard	Ethekwini (KED)	6	6	4.5	Yes	Analysis
8	2018 King Cetshwayo Winter Championship (Senior)	2018-08-25	2018-08-26	Standard	King Cetshwayo (KUR)	7	7	6.5	Yes	Analysis
9	2018 Fun & Blitz (Open)	2018-07-28	2018-07-29	Standard	King Cetshwayo (KUR)	6	6	5.5	Yes	Analysis
10	2018 King Cetshwayo Anniversary (Open)	2018-03-17	2018-03-18	Standard	King Cetshwayo (KUR)	7	7	6	Yes	Analysis
11	2018 King Cetshwayo Summer (U20+Adult)	2018-02-17	2018-02-18	Standard	King Cetshwayo (KUR)	7	6	5.5	Yes	Analysis

#	Games	Start				End
1	18	Tournament 2018 King Cetshwayo Anniversary				Tournament 2018 KZN District Club Championship
		date 2018-03-18	rnd 6	type Standard	result 1	date 2018-09-29	rnd 3	type Standard	result 1
		Opponent Mbanjwa, M (Mlungisi)				Opponent Mboyisa, N (Ndumiso)
2	11	Tournament 2018 KZN District Club Championship				Tournament 2019 Ethekwini Open
		date 2018-09-30	rnd 5	type Standard	result 0.5	date 2019-03-30	rnd 2	type Standard	result 1
		Opponent Zwakala, N (Ntando)				Opponent Datharam, A (Aarti)
3	10	Tournament 2019 King Cetshwayo Championship				Tournament 2019 King Cetswayo Fun
		date 2019-05-04	rnd 1	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Nkosi, S (Sthembiso)				Opponent Tsotetsi, T (Tlhoni)

#	Games	Start				End
1	18	Tournament 2018 King Cetshwayo Anniversary				Tournament 2018 KZN District Club Championship
		date 2018-03-18	rnd 6	type Standard	result 1	date 2018-09-29	rnd 3	type Standard	result 1
		Opponent Mbanjwa, M (Mlungisi)				Opponent Mboyisa, N (Ndumiso)
2	11	Tournament 2018 KZN District Club Championship				Tournament 2019 Ethekwini Open
		date 2018-09-30	rnd 5	type Standard	result 0.5	date 2019-03-30	rnd 2	type Standard	result 1
		Opponent Zwakala, N (Ntando)				Opponent Datharam, A (Aarti)
3	10	Tournament 2019 King Cetshwayo Championship				Tournament 2019 King Cetswayo Fun
		date 2019-05-04	rnd 1	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Nkosi, S (Sthembiso)				Opponent Tsotetsi, T (Tlhoni)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament 2019 King Cetswayo Fun				Tournament 2019 King Cetswayo Fun
		date 2019-07-28	rnd 1	type Blitz	result 1	date 2019-07-28	rnd 6	type Blitz	result 1
		Opponent Singh, S (Shravan)				Opponent Ngwenya, K (Khetha)

#	Games	Start				End
1	10	Tournament 2019 King Cetshwayo Championship				Tournament 2019 King Cetswayo Fun
		date 2019-05-04	rnd 1	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Nkosi, S (Sthembiso)				Opponent Tsotetsi, T (Tlhoni)
2	10	Tournament 2018 KZN District Club Championship				Tournament 2019 Ethekwini Open
		date 2018-09-30	rnd 6	type Standard	result 1	date 2019-03-30	rnd 2	type Standard	result 1
		Opponent Madela, N (Nhlanhla)				Opponent Datharam, A (Aarti)
3	7	Tournament 2019 King Cetswayo Fun				Tournament 2019 King Cetswayo Fun
		date 2019-07-28	rnd 6	type Standard	result 1	date 2019-07-28	rnd 6	type Blitz	result 1
		Opponent Walz, MF (Marc)				Opponent Ngwenya, K (Khetha)

#	Games	Start				End
1	10	Tournament 2019 King Cetshwayo Championship				Tournament 2019 King Cetswayo Fun
		date 2019-05-04	rnd 1	type Standard	result 1	date 2019-07-27	rnd 4	type Standard	result 1
		Opponent Nkosi, S (Sthembiso)				Opponent Tsotetsi, T (Tlhoni)
2	10	Tournament 2018 KZN District Club Championship				Tournament 2019 Ethekwini Open
		date 2018-09-30	rnd 6	type Standard	result 1	date 2019-03-30	rnd 2	type Standard	result 1
		Opponent Madela, N (Nhlanhla)				Opponent Datharam, A (Aarti)
3	7	Tournament 2019 King Cetswayo Fun				Tournament 2019 King Cetswayo Winter Championship
		date 2019-07-28	rnd 6	type Standard	result 1	date 2019-09-01	rnd 7	type Standard	result 1
		Opponent Walz, MF (Marc)				Opponent Manukuza, T (Thandokuhle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament 2019 King Cetswayo Fun				Tournament 2019 King Cetswayo Fun
		date 2019-07-28	rnd 1	type Blitz	result 1	date 2019-07-28	rnd 6	type Blitz	result 1
		Opponent Singh, S (Shravan)				Opponent Ngwenya, K (Khetha)

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	Ngwenya ,K (Khetha)	4	3.5	318.8	3	2.5	283.3	0	0	0	1	1	425
1	Ngwenya ,K (Khetha)	4	1335.8	1654.5	3	1332.8	1619.1	0	0	0	1	1252	1760.8
2	Mbanjwa ,M (Mlungisi)	4	2	0	3	2	141.7	0	0	0	1	0	-425
2	Mbanjwa ,M (Mlungisi)	4	1425.9	1425.9	3	1422.7	1567.5	0	0	0	1	1409.8	1000.9
3	Mbanjwa ,N (Nhlakanipho)	3	3	425	3	3	425	0	0	0	0	0	0
3	Mbanjwa ,N (Nhlakanipho)	3	1549.8	1974.8	3	1549	1974.8	0	0	0	0	0	0
4	Buthelezi ,S (Sandile)	2	2	425	2	2	425	0	0	0	0	0	0
4	Buthelezi ,S (Sandile)	2	1066.7	1491.7	2	1068.6	1491.7	0	0	0	0	0	0
5	Shoba ,L (Lundi)	2	1	0	2	1	0	0	0	0	0	0	0
5	Shoba ,L (Lundi)	2	1139.8	1139.8	2	1143.3	1139.8	0	0	0	0	0	0
6	Masinga ,A (Ayanda)	2	2	425	2	2	425	0	0	0	0	0	0
6	Masinga ,A (Ayanda)	2	715.5	1140.4	2	730	1140.4	0	0	0	0	0	0
7	Mbombo ,N (Nhlanhla)	2	2	425	2	2	425	0	0	0	0	0	0
7	Mbombo ,N (Nhlanhla)	2	1276.2	1701.2	2	1264.8	1701.2	0	0	0	0	0	0
8	Khumalo ,S (Siyanda)	2	2	425	2	2	425	0	0	0	0	0	0
8	Khumalo ,S (Siyanda)	2	1345.2	1770.2	2	1343.7	1770.2	0	0	0	0	0	0
9	Ntshangase ,N (Nkazimulo)	2	2	425	2	2	425	0	0	0	0	0	0
9	Ntshangase ,N (Nkazimulo)	2	1254.3	1679.3	2	1202.4	1679.3	0	0	0	0	0	0
10	Tsotetsi ,T (Tlhoni)	2	2	425	2	2	425	0	0	0	0	0	0
10	Tsotetsi ,T (Tlhoni)	2	1306.9	1731.9	2	1313.8	1731.9	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

Coetzee, R (Ryan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms