Chess South Africa Ratings Database

PLAYER PAGE

Personal

Visser, R (Ruan)

Chess SA id

107082885

FIDE id

Date of birth

2007-03-18 (U20)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1294.7	1279.8	912.6	655.4
Raw rating	1294.7	1279.8	912.6	655.4
Weighted rating	1288.5	1269.7	912.6	655.4
Weighted performance	851.3	839.7	0	0
Floor	820.4	822.8	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	144.9	148	249.7	360.2
Highest rating	1320.4 2020-01-01	1322.8 2020-01-01	1346.8 2018-05-01	1200 2024-02-01
Highest raw rating	1320.4 2020-01-01	1322.8 2020-01-01	912.6 2024-02-01	655.4 2024-02-01
Highest weighted rating	1320.4 2025-06-01	1322.8 2020-07-01	912.6 2024-11-01	655.4 2024-11-01
Highest weighted performance	1315.4 2019-03-01	1311.9 2019-09-01	1346.8 2018-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1294.7	1279.8	912.6	655.4
Analysis
Rating	1294.7	1279.8	912.6	655.4
Raw rating	1294.7	1279.8	912.6	655.4
Weighted rating	1288.5	1269.7	912.6
Weighted performance	851.3	839.7	0
K-factor	36	36	40	40
Floor	820.4	822.8	500	500
Max/Min rating change allowed	144.9	148	249.7	360.2
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	1294.7	1279.8	912.6	655.4
New weighted rating	1289.1	1270.6	912.6	655.4
New weighted performance	843.5	832	0	0
Temp new rating	1294.7	1279.8	912.6	655.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1294.7	1279.8	912.6	655.4
New K-factor	36	36	40	40
New floor	820.4	822.8	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	4	4	0	0
	0	0	0	0
	5	5	0	0
	0	0	0	0
	0	0	0	0
History	238	211	20	7

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	4	2	50	0	1344.3	1344.3
Standard	4	2	50	0	1344.3	1344.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	176	106	60.23	86.9	1110.1	1197.1
Standard	161	94.5	58.7	73.9	1105.8	1179.7
Rapid	15	11.5	76.67	226.7	1157.1	1383.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1294.7	1279.8	912.6	655.4
2025-09-30	1294.7	1279.8	912.6	655.4
2025-09-01	1294.7	1279.8	912.6	655.4
2025-08-01	1286.7	1266.7	912.6	655.4
2025-07-01	1286.7	1266.7	912.6	655.4
2025-06-01	1286.7	1266.7	912.6	655.4
2025-05-01	1286.7	1266.7	912.6	655.4
2025-04-01	1286.7	1266.7	912.6	655.4
2025-03-01	1286.7	1266.7	912.6	655.4
2025-02-01	1286.7	1266.7	912.6	655.4
2025-01-01	1286.7	1266.7	912.6	655.4
2024-12-01	1286.7	1266.7	912.6	655.4
2024-11-01	1286.7	1266.7	912.6	655.4
2024-10-01	1286.7	1266.7	912.6	655.4
2024-09-01	1286.7	1266.7	912.6	655.4
2024-08-01	1286.7	1266.7	912.6	655.4
2024-07-01	1286.7	1266.7	912.6	655.4
2024-09-01	1286.7	1266.7	912.6	655.4
2024-05-01	1286.7	1266.7	912.6	655.4
2024-04-01	1286.7	1266.7	912.6	655.4
2024-03-01	1286.7	1266.7	912.6	655.4
2024-02-01	1286.7	1266.7	912.6	655.4
2024-01-01	1286.7	1266.7	912.6	655.4
2023-12-01	1286.7	1266.7	912.6	655.4

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	2025 Tshwane South School District CLOSED League Championship (U19A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U19A)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
2	2023 Tshwane South School District CLOSED League Championship (U17)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
3	Hoerskool Eldoraigne Rapid 2020	2020-03-06	2020-03-06	Rapid	Chess Excellence (CEX)	5	5	3.5	Yes	Analysis
4	2020 Constantiapark Open Chess Tournament (B)	2020-02-08	2020-02-08	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
5	2020 Blou Bul (B)	2020-02-15	2020-02-15	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
6	2020 Registration Tournament (B)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	3	0	Yes	Analysis
7	2019 South African Junior Team Championships (U14A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
8	2019 Etienne Lewis Trials (U14 Boys)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
9	2019 Jacaranda Round Robin (G)	2019-08-03	2019-08-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
10	2019 Alekhine Open (B)	2019-08-09	2019-08-10	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
11	2019 D4 Tshwane South Schools League Team Finals (U13)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
12	2019 Super 12 Laerskole (Seniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
13	2019 Gauteng Primary Schools Individual Chess Championships (U13 Boys)	2019-05-25	2019-05-25	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
14	2019 Waterkloof Open (B)	2019-03-02	2019-03-03	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
15	2019 D4 Individual Finals (U13 Mixed)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
16	2019 Constantia Park Open (C)	2019-02-09	2019-02-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
17	2019 Tshwane Chess Registration Tournament (C)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
18	2018 Tshwane Inter Region (U12B)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
19	2018 Wild Card Chess Championships (U12 Open)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
20	South African Junior Team Championships 2018 (U12A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5.5	Yes	Analysis
21	2018 Gauteng North Open (C)	2018-10-20	2018-10-21	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
22	2018 Etienne Lewis Trials (U12 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	7	5.5	Yes	Analysis
23	2018 Centurion Chess Club Open (C)	2018-09-29	2018-09-29	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
24	2018 Mid Gauteng Open (C)	2018-08-18	2018-08-18	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
25	2018 Alekhine Open (C)	2018-08-09	2018-08-11	Standard	Tshwane (GTP)	6	6	3	Yes	Analysis
26	2018 Super 12 (Senior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	5	Yes	Analysis
27	2018 Waterkloof Open (D)	2018-03-03	2018-03-04	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
28	2018 D4 Tshwane North Individual Chess Championships (U11 Boys)	2018-03-10	2018-03-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
29	2018 Crawford Open (C)	2018-03-24	2018-03-24	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
30	2018 Piet Robbertse Chess Tournament (D)	2018-02-03	2018-02-03	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
31	2018 Blou Bul Open (D)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
32	South African Junior Wildcard Championships 2017 (U12 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
33	South African Junior Team Championships 2017 (U12C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	10	Tournament 2018 Piet Robbertse Chess Tournament				Tournament 2018 Waterkloof Open
		date 2018-02-03	rnd 5	type Standard	result 1	date 2018-03-04	rnd 4	type Standard	result 1
		Opponent Felix, H (Harrison)				Opponent Louw, R (Raynor)
2	7	Tournament 2018 Gauteng North Open				Tournament South African Junior Team Championships 2018
		date 2018-10-21	rnd 5	type Standard	result 0.5	date 2018-12-16	rnd 1	type Standard	result 0.5
		Opponent Thill, A (Arieh)				Opponent Davids, R (Rafael)
3	7	Tournament 2018 Crawford Open				Tournament 2018 Alekhine Open
		date 2018-03-24	rnd 5	type Standard	result 1	date 2018-08-09	rnd 1	type Standard	result 1
		Opponent De Wet, CR (Christiaan)				Opponent Meiring, JE (Jean)

#	Games	Start				End
1	10	Tournament 2018 Piet Robbertse Chess Tournament				Tournament 2018 Waterkloof Open
		date 2018-02-03	rnd 5	type Standard	result 1	date 2018-03-04	rnd 4	type Standard	result 1
		Opponent Felix, H (Harrison)				Opponent Louw, R (Raynor)
2	7	Tournament 2019 D4 Individual Finals				Tournament 2019 Gauteng Primary Schools Individual Chess Championships
		date 2019-03-09	rnd 1	type Standard	result 1	date 2019-05-25	rnd 2	type Standard	result 1
		Opponent Mokonoto, T (Tshegofastso)				Opponent Botes, A (Arne)
3	7	Tournament 2018 Gauteng North Open				Tournament South African Junior Team Championships 2018
		date 2018-10-21	rnd 5	type Standard	result 0.5	date 2018-12-16	rnd 1	type Standard	result 0.5
		Opponent Thill, A (Arieh)				Opponent Davids, R (Rafael)

#	Games	Start				End
1	5	Tournament 2019 Super 12 Laerskole				Tournament Hoerskool Eldoraigne Rapid 2020
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2020-03-06	rnd 3	type Rapid	result 0.5
		Opponent Bester, E (Ethan)				Opponent Reyneke, PJ (Pieter)
2	5	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Niemand, L (Luane)				Opponent Post, R (Reuben)
3	1	Tournament Hoerskool Eldoraigne Rapid 2020				Tournament Hoerskool Eldoraigne Rapid 2020
		date 2020-03-06	rnd 5	type Rapid	result 1	date 2020-03-06	rnd 5	type Rapid	result 1
		Opponent Smith, JD (Jayden)				Opponent Smith, JD (Jayden)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament 2018 Piet Robbertse Chess Tournament				Tournament 2018 Waterkloof Open
		date 2018-02-03	rnd 5	type Standard	result 1	date 2018-03-04	rnd 4	type Standard	result 1
		Opponent Felix, H (Harrison)				Opponent Louw, R (Raynor)
2	7	Tournament 2018 Crawford Open				Tournament 2018 Alekhine Open
		date 2018-03-24	rnd 5	type Standard	result 1	date 2018-08-09	rnd 1	type Standard	result 1
		Opponent De Wet, CR (Christiaan)				Opponent Meiring, JE (Jean)
3	6	Tournament South African Junior Team Championships 2018				Tournament 2018 Wild Card Chess Championships
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-21	rnd 1	type Standard	result 1
		Opponent Square, N (Nathan)				Opponent Osborne, R (Ryan Eugene)

#	Games	Start				End
1	10	Tournament 2018 Piet Robbertse Chess Tournament				Tournament 2018 Waterkloof Open
		date 2018-02-03	rnd 5	type Standard	result 1	date 2018-03-04	rnd 4	type Standard	result 1
		Opponent Felix, H (Harrison)				Opponent Louw, R (Raynor)
2	6	Tournament South African Junior Team Championships 2018				Tournament 2018 Wild Card Chess Championships
		date 2018-12-17	rnd 3	type Standard	result 1	date 2018-12-21	rnd 1	type Standard	result 1
		Opponent Square, N (Nathan)				Opponent Osborne, R (Ryan Eugene)
3	5	Tournament 2018 Tshwane Inter Region				Tournament 2018 Tshwane Inter Region
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-01	rnd 5	type Standard	result 1
		Opponent Webb, K (Kagan)				Opponent Van Nieuwenhuizen, BF (Bernard)

#	Games	Start				End
1	5	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 5	type Rapid	result 1
		Opponent Niemand, L (Luane)				Opponent Post, R (Reuben)
2	4	Tournament 2019 Super 12 Laerskole				Tournament Hoerskool Eldoraigne Rapid 2020
		date 2019-05-04	rnd 4	type Rapid	result 1	date 2020-03-06	rnd 2	type Rapid	result 1
		Opponent Bester, E (Ethan)				Opponent Reyneke, M (Melindie)
3	1	Tournament Hoerskool Eldoraigne Rapid 2020				Tournament Hoerskool Eldoraigne Rapid 2020
		date 2020-03-06	rnd 5	type Rapid	result 1	date 2020-03-06	rnd 5	type Rapid	result 1
		Opponent Smith, JD (Jayden)				Opponent Smith, JD (Jayden)

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	Louw ,R (Raynor)	4	3.5	318.8	4	3.5	318.8	0	0	0	0	0	0
1	Louw ,R (Raynor)	4	1104.4	1423.2	4	1101.9	1423.2	0	0	0	0	0	0
2	Nel ,A (Armand)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Nel ,A (Armand)	3	770.7	912.4	3	767.8	912.4	0	0	0	0	0	0
3	Malan ,HB (Hendrik Benjamin)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
3	Malan ,HB (Hendrik Benjamin)	3	875.2	733.6	3	878.8	733.6	0	0	0	0	0	0
4	Fourie ,K (Keanan)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Fourie ,K (Keanan)	3	1325.5	900.5	3	1328.9	900.5	0	0	0	0	0	0
5	Jones ,W (William)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Jones ,W (William)	3	1151	1009.3	3	1149.8	1009.3	0	0	0	0	0	0
6	Visser ,N (Nico)	2	1	0	2	1	0	0	0	0	0	0	0
6	Visser ,N (Nico)	2	1284.9	1284.9	2	1275.3	1284.9	0	0	0	0	0	0
7	Du Plessis ,LD (Liam Douw)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
7	Du Plessis ,LD (Liam Douw)	2	1137.7	1350.2	2	1128	1350.2	0	0	0	0	0	0
8	Prinsloo ,TE (Thiana Eurika)	2	1	0	2	1	0	0	0	0	0	0	0
8	Prinsloo ,TE (Thiana Eurika)	2	1178	1178	2	1169.2	1178	0	0	0	0	0	0
9	De Swardt ,C (Chrizander)	2	2	425	2	2	425	0	0	0	0	0	0
9	De Swardt ,C (Chrizander)	2	1136.6	1561.6	2	1125.4	1561.6	0	0	0	0	0	0
10	Liang ,YT (Yi-Tao (Anson))	2	1	0	2	1	0	0	0	0	0	0	0
10	Liang ,YT (Yi-Tao (Anson))	2	1407.6	1407.6	2	1397.9	1407.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Visser, R (Ruan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms