Chess South Africa Ratings Database

PLAYER PAGE

Personal

Xiao, R (Ryan)

Chess SA id

105044908

FIDE id

Date of birth

2005-05-02 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-07-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1464	1420.2	1068.9	976.8
Raw rating	1464	1420.2	1068.9	976.8
Weighted rating	1463.6	1420.2	1067.4	976.8
Weighted performance	711.7	699.5	0	0
Floor	1046.9	1046.9	568.9	500
K-factor	32	32	40	40
Min/Max rating change allowed	113.8	121.2	199.9	227.9
Highest rating	1562.5 2020-02-01	1562.6 2020-02-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	1546.9 2020-03-01	1546.9 2020-03-01	1068.9 2024-02-01	976.8 2024-02-01
Highest weighted rating	1546.9 2021-10-01	1546.9 2021-10-01	1068.9 2024-11-01	976.8 2024-11-01
Highest weighted performance	1562.5 2020-02-01	1562.6 2020-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1464	1420.2	1068.9	976.8
Analysis
Rating	1464	1420.2	1068.9	976.8
Raw rating	1464	1420.2	1068.9	976.8
Weighted rating	1463.6	1420.2	1067.4
Weighted performance	711.7	699.5	0
K-factor	32	32	40	40
Floor	1046.9	1046.9	568.9	500
Max/Min rating change allowed	113.8	121.2	199.9	227.9
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	1464	1420.2	1068.9	976.8
New weighted rating	1463.9	1420.2	1068.4	976.8
New weighted performance	711.2	699	0	0
Temp new rating	1464	1420.2	1068.9	976.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1464	1420.2	1068.9	976.8
New K-factor	32	32	40	40
New floor	1046.9	1046.9	568.9	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	10	10	0
	9	5	4
History	506	470	36

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	198	108.5	54.8	40.8	1261.8	1302.6
Standard	190	106.5	56.05	51.4	1257.2	1308.6
Rapid	8	2	25	-212.5	1371.5	1159
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1464	1420.2	1068.9	976.8
2025-09-01	1464	1420.2	1068.9	976.8
2025-08-01	1464	1420.2	1068.9	976.8
2025-07-01	1464	1420.2	1068.9	976.8
2025-06-01	1464	1420.2	1068.9	976.8
2025-05-01	1464	1420.2	1068.9	976.8
2025-04-01	1464	1420.2	1068.9	976.8
2025-03-01	1464	1420.2	1068.9	976.8
2025-02-01	1464	1420.2	1068.9	976.8
2025-01-01	1464	1420.2	1068.9	976.8
2024-12-01	1464	1420.2	1068.9	976.8
2024-11-01	1464	1420.2	1068.9	976.8
2024-10-01	1464	1420.2	1068.9	976.8
2024-09-01	1464	1420.2	1068.9	976.8
2024-08-01	1464	1420.2	1068.9	976.8
2024-07-01	1464	1420.2	1068.9	976.8
2024-06-01	1464	1420.2	1068.9	976.8
2024-08-01	1464	1420.2	1068.9	976.8
2024-04-01	1464	1420.2	1068.9	976.8
2024-03-01	1464	1420.2	1068.9	976.8
2024-02-01	1464	1420.2	1068.9	976.8
2024-01-01	1464	1420.2	1068.9	976.8
2023-12-01	1419.3	1420.2	918.8	976.8
2023-11-01	1419.3	1420.2	918.8	976.8

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	JNW Helpmekaar 2022 (Masters)	2022-07-09	2022-07-09	Standard	Johannesburg Metro (GJM)	5	4	0	Yes	Analysis
2	Alberton Chess Club Open 2022 (A)	2022-07-16	2022-07-16	Standard	Ekurhuleni (GE)	5	2	0	Yes	Analysis
3	JNW Trinityhouse LF 2022 (Masters)	2022-03-12	2022-03-12	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
4	Pinnacle College Waterfall Open (Premier)	2021-10-02	2021-10-03	Standard	Johannesburg Metro (GJM)	6	5	0.5	Yes	Analysis
5	JMC Helpmekaar 2021 (U18)	2021-09-06	2021-09-06	Rapid	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
6	Alberton Chess Club Open 2020 (B)	2020-02-22	2020-02-22	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
7	2019 Wild Card Chess Championship (U16 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
8	2019 South African Junior Team Championships (U16A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	5.5	Yes	Analysis
9	GJM vs GE Inter Region 2019 (U16A)	2019-10-05	2019-10-05	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
10	Ekurhuleni Grand Prix 2019 (B)	2019-09-14	2019-09-14	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
11	ChessExcellence September Holiday Tournament 2019	2019-09-30	2019-09-30	Standard	Chess Excellence (CEX)	5	5	3.5	Yes	Analysis
12	ChessExcellence September Club Rapid 2019	2019-09-24	2019-09-24	Rapid	Chess Excellence (CEX)	5	4	0	Yes	Analysis
13	2019 Gauteng School League Finals (U19 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
14	JNW Club - Maragon Open 2019 (B)	2019-08-03	2019-08-03	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
15	ChessExcellence Crawford Lonehill Club 2019	2019-08-21	2019-08-28	Standard	Chess Excellence (CEX)	6	6	6	Yes	Analysis
16	2019 Menlo Open (B)	2019-07-13	2019-07-13	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
17	JNW Club - Helpmekaar Kollege Open 2019 (B)	2019-07-06	2019-07-06	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
18	JHB Metro Closed 2019 (U16)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	5	2	Yes	Analysis
19	JHB North High School League 2019	2019-02-19	2019-07-22	Standard	Chess Excellence (CEX)	5	5	5	Yes	Analysis
20	2019 Lubowski Open Tournament (B)	2019-05-11	2019-05-12	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
21	2019 Capablanca Chess Festival (Swiss B)	2019-04-19	2019-04-21	Standard	Tshwane (GTP)	7	7	5	Yes	Analysis
22	Primrose Chess Club Open 2019 (B)	2019-04-13	2019-04-13	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
23	2019 Waterkloof Open (B)	2019-03-02	2019-03-03	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
24	JNW Club - Trinityhouse Randpark Ridge Open 2019 (B)	2019-03-09	2019-03-09	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
25	Alberton Chess Club Open 2019 (B)	2019-02-23	2019-02-23	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
26	JNW Club - Bryanston Open 1 2019 (B)	2019-01-26	2019-01-26	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
27	2018 Wild Card Chess Championships (U14 Open)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
28	South African Junior Team Championships 2018 (U14A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
29	Inter Region GE vs JHB Metro 2018 (U14A)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
30	2018 Menlo Open Chess Tournament (C)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
31	JHB Metro Junior Closed 2018 (U14)	2018-07-28	2018-07-29	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
32	2018 Capablanca Swiss (C)	2018-04-27	2018-04-29	Standard	Tshwane (GTP)	7	7	6	Yes	Analysis
33	JNW Club - Linden Open 2018 (B)	2018-04-14	2018-04-14	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
34	JNW Club - Northriding College Open 2018 (A)	2018-03-09	2018-03-10	Standard	Johannesburg Metro (GJM)	6	6	2.5	Yes	Analysis
35	JNW Club - Bryanston Open 2018 (B)	2018-01-26	2018-01-27	Standard	Johannesburg Metro (GJM)	6	6	2	Yes	Analysis
36	South African Junior Wildcard Championships 2017 (U14 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
37	South African Junior Team Championships 2017 (U14A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	11	Tournament 2019 South African Junior Team Championships				Tournament Alberton Chess Club Open 2020
		date 2020-01-07	rnd 6	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Troskie, K (Kyle)				Opponent Erasmus, D (Daniel)
2	7	Tournament Alberton Chess Club Open 2019				Tournament 2019 Waterkloof Open
		date 2019-02-23	rnd 3	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Olivier, N (Nico)				Opponent Marais, DJ (Dawid)
3	6	Tournament GJM vs GE Inter Region 2019				Tournament 2019 South African Junior Team Championships
		date 2019-10-05	rnd 4	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 0.5
		Opponent Erasmus, D (Daniel)				Opponent Erasmus, D (Daniel)

#	Games	Start				End
1	11	Tournament 2019 South African Junior Team Championships				Tournament Alberton Chess Club Open 2020
		date 2020-01-07	rnd 6	type Standard	result 1	date 2020-02-22	rnd 2	type Standard	result 1
		Opponent Troskie, K (Kyle)				Opponent Erasmus, D (Daniel)
2	7	Tournament Alberton Chess Club Open 2019				Tournament 2019 Waterkloof Open
		date 2019-02-23	rnd 3	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Olivier, N (Nico)				Opponent Marais, DJ (Dawid)
3	6	Tournament GJM vs GE Inter Region 2019				Tournament 2019 South African Junior Team Championships
		date 2019-10-05	rnd 4	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 0.5
		Opponent Erasmus, D (Daniel)				Opponent Erasmus, D (Daniel)

#	Games	Start				End
1	3	Tournament JMC Helpmekaar 2021				Tournament JMC Helpmekaar 2021
		date 2021-09-06	rnd 2	type Rapid	result 1	date 2021-09-06	rnd 4	type Rapid	result 0.5
		Opponent Mackay, Z (Ziya)				Opponent Shaw, A (Amy)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament GJM vs GE Inter Region 2019				Tournament 2019 South African Junior Team Championships
		date 2019-10-05	rnd 4	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Erasmus, D (Daniel)				Opponent Reddy, R (Rai)
2	5	Tournament ChessExcellence Crawford Lonehill Club 2019				Tournament 2019 Gauteng School League Finals
		date 2019-08-21	rnd 1	type Standard	result 1	date 2019-08-24	rnd 2	type Standard	result 1
		Opponent Mackay, T (Tarique)				Opponent Kuhn, RE (Reinhard)
3	4	Tournament ChessExcellence Crawford Lonehill Club 2019				Tournament Ekurhuleni Grand Prix 2019
		date 2019-08-28	rnd 4	type Standard	result 1	date 2019-09-14	rnd 1	type Standard	result 1
		Opponent Ward, J (Joshua)				Opponent Pienaar, S (Schalk)

#	Games	Start				End
1	5	Tournament GJM vs GE Inter Region 2019				Tournament 2019 South African Junior Team Championships
		date 2019-10-05	rnd 4	type Standard	result 1	date 2020-01-05	rnd 3	type Standard	result 1
		Opponent Erasmus, D (Daniel)				Opponent Reddy, R (Rai)
2	5	Tournament ChessExcellence Crawford Lonehill Club 2019				Tournament 2019 Gauteng School League Finals
		date 2019-08-21	rnd 1	type Standard	result 1	date 2019-08-24	rnd 2	type Standard	result 1
		Opponent Mackay, T (Tarique)				Opponent Kuhn, RE (Reinhard)
3	4	Tournament ChessExcellence Crawford Lonehill Club 2019				Tournament Ekurhuleni Grand Prix 2019
		date 2019-08-28	rnd 4	type Standard	result 1	date 2019-09-14	rnd 1	type Standard	result 1
		Opponent Ward, J (Joshua)				Opponent Pienaar, S (Schalk)

#	Games	Start				End
1	1	Tournament JMC Helpmekaar 2021				Tournament JMC Helpmekaar 2021
		date 2021-09-06	rnd 2	type Rapid	result 1	date 2021-09-06	rnd 2	type Rapid	result 1
		Opponent Mackay, Z (Ziya)				Opponent Mackay, Z (Ziya)

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	Erasmus ,D (Daniel)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
1	Erasmus ,D (Daniel)	3	1341.7	1625	3	1330.5	1625	0	0	0	0	0	0
2	Van Deventer ,WG (Wilrich Gerdus)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
2	Van Deventer ,WG (Wilrich Gerdus)	3	1262.9	979.6	3	1260.2	979.6	0	0	0	0	0	0
3	Badenhorst ,C (Chloe)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
3	Badenhorst ,C (Chloe)	3	1361.7	1361.7	3	1354.2	1361.7	0	0	0	0	0	0
4	Van Rensburg ,B (Ben)	2	2	425	2	2	425	0	0	0	0	0	0
4	Van Rensburg ,B (Ben)	2	1346.2	1771.2	2	1343.2	1771.2	0	0	0	0	0	0
5	Wang ,I (Ikai)	2	2	425	2	2	425	0	0	0	0	0	0
5	Wang ,I (Ikai)	2	891.7	1316.7	2	885.2	1316.7	0	0	0	0	0	0
6	Le Roux ,C (Claire)	2	1	0	2	1	0	0	0	0	0	0	0
6	Le Roux ,C (Claire)	2	1023.6	1023.6	2	1027.3	1023.6	0	0	0	0	0	0
7	Rapholo ,KM (Motlatjo)	2	1	0	2	1	0	0	0	0	0	0	0
7	Rapholo ,KM (Motlatjo)	2	1442.7	1442.7	2	1446.1	1442.7	0	0	0	0	0	0
8	Nkuna ,A (Andrew)	2	2	425	2	2	425	0	0	0	0	0	0
8	Nkuna ,A (Andrew)	2	1242.6	1667.6	2	1237.9	1667.6	0	0	0	0	0	0
9	De Swardt ,E (Eduan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	De Swardt ,E (Eduan)	2	1345.5	1558	2	1338	1558	0	0	0	0	0	0
10	Dibete ,B (Boitumelo)	2	2	425	2	2	425	0	0	0	0	0	0
10	Dibete ,B (Boitumelo)	2	1172.6	1597.6	2	1168.2	1597.6	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

Xiao, 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