Chess South Africa Ratings Database

PLAYER PAGE

Personal

Tierney, G (Grayson)

Chess SA id

1120161577

FIDE id

Date of birth

2012-05-29 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

20.4

Junior GPX Points

1277.4

Item	Main	Standard	Rapid	Blitz
Rating	1361.5	1379.8	1145.7	1200
Raw rating	1361.5	1379.8	1145.7	1200
Weighted rating	1288.3	1306.3	1100.7	1200
Weighted performance	1348.4	1346.9	1038.9	0
Floor	861.5	879.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	131.7	128.3	179.2	165.8
Highest rating	1361.5 2025-09-30	1382.7 2024-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1361.5 2025-09-30	1379.8 2025-09-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1288.3 2025-09-30	1297.4 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1348.4 2025-09-30	1382.7 2024-05-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1361.5	1379.8	1145.7	1200
Analysis
Rating	1361.5	1379.8	1145.7	1200
Raw rating	1361.5	1379.8	1145.7	1200
Weighted rating	1288.3	1306.3	1100.7
Weighted performance	1348.4	1346.9	1038.9
K-factor	36	36	36	36
Floor	861.5	879.8	700	700
Max/Min rating change allowed	131.7	128.3	179.2	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	1361.5	1379.8	1145.7	1200
New weighted rating	1296.6	1314.7	1104.4	1200
New weighted performance	1347.9	1346.4	1038.5	0
Temp new rating	1361.5	1379.8	1145.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1361.5	1379.8	1145.7	1200
New K-factor	36	36	36	36
New floor	861.5	879.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	20	15	5
	33	15	18
	24	0	24
	0	0	0
	0	0	0
History	77	30	47

Games since
	Main 65	Standard 30		Rapid 35		Blitz 0
Gender	Male
Age group	U14
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2550		870		264
Male	2075		710		220
U14	436		138		40
U14 Male	326		103		30
Standard
	RSA		Province		Region
Overall	2264		844		250
Male	1846		686		208
U14	382		133		36
U14 Male	282		97		27
Rapid
	RSA		Province		Region
Overall	1835		294		121
Male	1381		221		103
U14	394		51		14
U14 Male	271		30		10
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	20	13	65	127.5	1309.4	1436.9
Standard	15	10	66.67	141.7	1304.8	1446.5
Rapid	5	3	60	85	1323.4	1408.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	77	36.5	47.4	-22.1	1303.7	1281.6
Standard	30	18	60	85	1322.4	1407.4
Rapid	47	18.5	39.36	-90.4	1291.7	1201.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1361.5	1379.8	1145.7	1200
2025-09-01	1352.7	1379.8	1101.4	1200
2025-08-01	1305.3	1326.7	1101.4	1200
2025-07-01	1305.3	1326.7	1101.4	1200
2025-06-01	1305.3	1326.7	1101.4	1200
2025-05-01	1305.3	1326.7	1101.4	1200
2025-04-01	1305.3	1326.7	1101.4	1200
2025-03-01	1305.3	1326.7	1101.4	1200
2025-02-01	1265.8	1287.1	1101.3	1200
2025-01-01	1265.8	1287.1	1075.4	1200
2024-12-01	1265.8	1287.1	1075.4	1200
2024-11-01	1265.8	1287.1	1075.4	1200
2024-10-01	1286.8	1287.1	1083	1200
2024-09-01	1286.8	1287.1	1083	1200
2024-08-01	1286.8	1287.1	1083	1200
2024-07-01	1232.8	1243.9	1121.2	1200
2024-06-01	1225.9	1237.4	1121.2	1200
2024-08-01	1192.4	1200	1121.2	1200
2024-04-01	1192.4	1200	1121.2	1200
2024-03-01	1192.4	1200	1121.2	1200
2024-02-01	1173.6	1200	1066.8	1200
2024-01-01	1173.6	1200	1066.8	1200
2023-12-01	1173.6	1200	1066.8	1200
2023-11-01	1187.3	1200	1136.3	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	MCA Spring Flower Birthday Rapid 2025 (U14)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	Lonehill Chess Academy - 1st Rated Tournament 2025 (B)	2025-08-02	2025-08-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	First Knights Juniors Chess Tournament 2025 (C)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	MCA Spring Flower Birthday Rapid 2025 (U14)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	Lonehill Chess Academy - 1st Rated Tournament 2025 (B)	2025-08-02	2025-08-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
4	First Knights Juniors Chess Tournament 2025 (C)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	Mzansi Summer Rapid 2024 (B)	2024-10-26	2024-10-26	Rapid	Johannesburg Metro (GJM)	6	6	2	Yes	Analysis
6	Chess Power House July Open 2024 (C)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	JMC NG Weltevreden Church 2024	2024-06-29	2024-06-29	Rapid	Johannesburg Metro (GJM)	7	7	2.5	Yes	Analysis
8	Second Knight Riders Juniors Open Chess Tournament 2024 (C)	2024-06-08	2024-06-08	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
9	Chess Power House May Open 2024 (C)	2024-05-25	2024-05-25	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
10	Chess Power House 1st Rapid 2024 (B)	2024-02-24	2024-02-24	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
11	Mzansi Summer Blitz 2023	2023-12-09	2023-12-09	Rapid	Johannesburg Metro (GJM)	7	7	1	Yes	Analysis
12	Mzansi Bryanston Rapid 2023 (Junior)	2023-10-07	2023-10-07	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
13	Mzansi Spring Rapid 2023	2023-09-02	2023-09-02	Rapid	Johannesburg Metro (GJM)	7	7	2	Yes	Analysis
14	Chess Molecules Rapid 2023 (Grade 5-7)	2023-09-23	2023-09-23	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament MCA Welcome 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Luo, Y (Yichen)				Opponent Du Toit, M (Mine)
2	3	Tournament JMC NG Weltevreden Church 2024				Tournament JMC NG Weltevreden Church 2024
		date 2024-06-29	rnd 3	type Rapid	result 1	date 2024-06-29	rnd 5	type Rapid	result 0.5
		Opponent Smith, C (Caleb)				Opponent Thomson-Selibowitz, R (Ryder)
3	3	Tournament Chess Power House May Open 2024				Tournament Chess Power House May Open 2024
		date 2024-05-25	rnd 1	type Standard	result 1	date 2024-05-25	rnd 3	type Standard	result 0.5
		Opponent Venter, C (Christiaan)				Opponent Boshoff, R (Reinhardt)

#	Games	Start				End
1	6	Tournament MCA Welcome 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Luo, Y (Yichen)				Opponent Du Toit, M (Mine)
2	3	Tournament Chess Power House July Open 2024				Tournament First Knights Juniors Chess Tournament 2025
		date 2024-07-20	rnd 5	type Standard	result 1	date 2025-02-09	rnd 2	type Standard	result 1
		Opponent Gxumisa, T (Tshiamo)				Opponent Theron, E (Etienne)
3	3	Tournament Chess Power House May Open 2024				Tournament Chess Power House May Open 2024
		date 2024-05-25	rnd 1	type Standard	result 1	date 2024-05-25	rnd 3	type Standard	result 0.5
		Opponent Venter, C (Christiaan)				Opponent Boshoff, R (Reinhardt)

#	Games	Start				End
1	3	Tournament JMC NG Weltevreden Church 2024				Tournament JMC NG Weltevreden Church 2024
		date 2024-06-29	rnd 3	type Rapid	result 1	date 2024-06-29	rnd 5	type Rapid	result 0.5
		Opponent Smith, C (Caleb)				Opponent Thomson-Selibowitz, R (Ryder)
2	3	Tournament Chess Molecules Rapid 2023				Tournament Mzansi Bryanston Rapid 2023
		date 2023-09-23	rnd 5	type Rapid	result 1	date 2023-10-07	rnd 2	type Rapid	result 1
		Opponent Dollie, A (Abdu-Dayaan)				Opponent Chadalavada, B (Bhaarghavarama)
3	3	Tournament Mzansi Spring Rapid 2023				Tournament Chess Molecules Rapid 2023
		date 2023-09-02	rnd 7	type Rapid	result 1	date 2023-09-23	rnd 2	type Rapid	result 1
		Opponent Niemann, C (Clara)				Opponent Bhembe, K (Kamohelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament MCA Welcome 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Luo, Y (Yichen)				Opponent Du Toit, M (Mine)
2	3	Tournament Chess Molecules Rapid 2023				Tournament Mzansi Bryanston Rapid 2023
		date 2023-09-23	rnd 5	type Rapid	result 1	date 2023-10-07	rnd 2	type Rapid	result 1
		Opponent Dollie, A (Abdu-Dayaan)				Opponent Chadalavada, B (Bhaarghavarama)
3	3	Tournament Mzansi Spring Rapid 2023				Tournament Chess Molecules Rapid 2023
		date 2023-09-02	rnd 7	type Rapid	result 1	date 2023-09-23	rnd 2	type Rapid	result 1
		Opponent Niemann, C (Clara)				Opponent Bhembe, K (Kamohelo)

#	Games	Start				End
1	6	Tournament MCA Welcome 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Luo, Y (Yichen)				Opponent Du Toit, M (Mine)
2	3	Tournament Chess Power House July Open 2024				Tournament First Knights Juniors Chess Tournament 2025
		date 2024-07-20	rnd 5	type Standard	result 1	date 2025-02-09	rnd 2	type Standard	result 1
		Opponent Gxumisa, T (Tshiamo)				Opponent Theron, E (Etienne)
3	2	Tournament Chess Power House July Open 2024				Tournament Chess Power House July Open 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Chettiar, J (Jordan)				Opponent Exarchos, I (Isabella)

#	Games	Start				End
1	3	Tournament Chess Molecules Rapid 2023				Tournament Mzansi Bryanston Rapid 2023
		date 2023-09-23	rnd 5	type Rapid	result 1	date 2023-10-07	rnd 2	type Rapid	result 1
		Opponent Dollie, A (Abdu-Dayaan)				Opponent Chadalavada, B (Bhaarghavarama)
2	3	Tournament Mzansi Spring Rapid 2023				Tournament Chess Molecules Rapid 2023
		date 2023-09-02	rnd 7	type Rapid	result 1	date 2023-09-23	rnd 2	type Rapid	result 1
		Opponent Niemann, C (Clara)				Opponent Bhembe, K (Kamohelo)
3	2	Tournament Mzansi Summer Rapid 2024				Tournament Mzansi Summer Rapid 2024
		date 2024-10-26	rnd 3	type Rapid	result 1	date 2024-10-26	rnd 4	type Rapid	result 1
		Opponent Huang, H (Hong-Yuan)				Opponent Hattingh, C (Christiaan)

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	Narula ,A (Aryash)	2	1	0	2	1	0	0	0	0	0	0	0
1	Narula ,A (Aryash)	2	1430.9	1430.9	2	1433.8	1430.9	0	0	0	0	0	0
2	Niemann ,C (Clara)	2	2	425	0	0	0	2	2	425	0	0	0
2	Niemann ,C (Clara)	2	1189.8	1614.8	0	0	0	2	1154.2	1614.8	0	0	0
3	Chadalavada ,B (Bhaarghavarama)	2	1	0	0	0	0	2	1	0	0	0	0
3	Chadalavada ,B (Bhaarghavarama)	2	1166.6	1166.6	0	0	0	2	1168.2	1166.6	0	0	0
4	Luo ,Y (Yichen)	1	1	425	1	1	425	0	0	0	0	0	0
4	Luo ,Y (Yichen)	1	1226.6	1651.6	1	1227.4	1651.6	0	0	0	0	0	0
5	Liebenberg ,N (Nathan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Liebenberg ,N (Nathan)	1	1133.7	1558.7	1	1135.2	1558.7	0	0	0	0	0	0
6	Theron ,E (Etienne)	1	1	425	1	1	425	0	0	0	0	0	0
6	Theron ,E (Etienne)	1	1217.9	1642.9	1	1221.6	1642.9	0	0	0	0	0	0
7	Gxumisa ,T (Tshiamo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Gxumisa ,T (Tshiamo)	1	1272	1697	1	1259.2	1697	0	0	0	0	0	0
8	Lipshitz ,B (Blake)	1	1	425	1	1	425	0	0	0	0	0	0
8	Lipshitz ,B (Blake)	1	1263.7	1688.7	1	1230.8	1688.7	0	0	0	0	0	0
9	Joshi ,T (Teerth)	1	1	425	1	1	425	0	0	0	0	0	0
9	Joshi ,T (Teerth)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Mafane ,B (Bontle)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mafane ,B (Bontle)	1	1231.4	1656.4	1	1204.5	1656.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Tierney, G (Grayson)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms