Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kirstein, T (Tinus Ederich)

Chess SA id

1120139981

FIDE id

Date of birth

2012-05-29 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1577.3

Item	Main	Standard	Rapid	Blitz
Rating	1613.3	1613.7	671.2	500
Raw rating	1613.3	1613.7	671.2	500
Weighted rating	1518.5	1515.1	671.2	500
Weighted performance	1597.4	1598.8	0	0
Floor	1113.3	1113.7	500	500
K-factor	28	28	40	40
Min/Max rating change allowed	92	92	352.2	449.5
Highest rating	1613.7 2025-09-01	1615.1 2025-09-01	1205 2022-04-01	1200 2024-02-01
Highest raw rating	1613.3 2025-09-01	1613.7 2025-09-01	671.2 2024-02-01	500 2024-02-01
Highest weighted rating	1508.4 2025-09-01	1504.3 2025-09-01	671.2 2024-11-01	500 2024-11-01
Highest weighted performance	1613.7 2025-09-01	1615.1 2025-09-01	1205 2022-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1613.3	1613.7	671.2	500
Analysis
Rating	1613.3	1613.7	671.2	500
Raw rating	1613.3	1613.7	671.2	500
Weighted rating	1518.5	1515.1	671.2
Weighted performance	1597.4	1598.8	0
K-factor	28	28	40	40
Floor	1113.3	1113.7	500	500
Max/Min rating change allowed	92	92	352.2	449.5
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	1613.3	1613.7	671.2	500
New weighted rating	1528	1525.3	671.2	500
New weighted performance	1596.9	1598.2	0	0
Temp new rating	1613.3	1613.7	671.2	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1613.3	1613.7	671.2	500
New K-factor	28	28	40	40
New floor	1113.3	1113.7	500	500

Item	Main	Standard	Rapid
	0	0	0
	30	30	0
	51	51	0
	42	42	0
	27	20	7
	0	0	0
History	150	143	7

Games since
	Main 85	Standard 85		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	582		224		86
Male	539		207		83
U14	63		18		5
U14 Male	57		17		5
Standard
	RSA		Province		Region
Overall	558		219		86
Male	515		202		83
U14	61		18		6
U14 Male	54		16		6
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
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	30	20	66.67	141.7	1470.8	1612.5
Standard	30	20	66.67	141.7	1470.8	1612.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	150	93.5	62.33	104.8	1370.6	1475.5
Standard	143	88.5	61.89	101	1380.2	1481.2
Rapid	7	5	71.43	182.1	1175.4	1357.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1613.3	1613.7	671.2	500
2025-09-01	1613.3	1613.7	671.2	500
2025-08-01	1598.6	1600.6	671.2	500
2025-07-01	1522.8	1524.7	671.2	500
2025-06-01	1525.5	1527.9	671.2	500
2025-05-01	1518.5	1518.3	671.2	500
2025-04-01	1518.5	1518.3	671.2	500
2025-03-01	1518.5	1518.3	671.2	500
2025-02-01	1513.7	1514	671.2	500
2025-01-01	1513.7	1514	671.2	500
2024-12-01	1477.6	1474	671.2	500
2024-11-01	1477.6	1474	671.2	500
2024-10-01	1477.6	1474	671.2	500
2024-09-01	1452.3	1446.2	671.2	500
2024-08-01	1423.6	1408.4	671.2	500
2024-07-01	1423.6	1408.4	671.2	500
2024-06-01	1449.2	1431.4	671.2	500
2024-08-01	1432.3	1408	671.2	500
2024-04-01	1466.8	1448	671.2	500
2024-03-01	1466.8	1448	671.2	500
2024-02-01	1516.2	1506.6	671.2	500
2024-01-01	1444	1426.9	671.2	500
2023-12-01	1444	1426.9	671.2	500
2023-11-01	1444	1426.9	671.2	500

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 Etienne Lewis Closed Chess Tournament (U14)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	5.5	Yes	Analysis
2	2025 Menlo Open (U14)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	2025 Wynie Robbertse Chess Tournament (B)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2025 JMCA Open Chess Tournament (B)	2025-06-07	2025-06-07	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
5	2025 Tshwane South School District Individual Finals (D4) (U13 Boys)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2025 Piet Robbertse Fide Rated Open Chess Tournament (B)	2025-02-01	2025-02-02	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 Etienne Lewis Closed Chess Tournament (U14)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	5.5	Yes	Analysis
2	2025 Menlo Open (U14)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	2025 Wynie Robbertse Chess Tournament (B)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2025 JMCA Open Chess Tournament (B)	2025-06-07	2025-06-07	Standard	Tshwane (GTP)	5	4	1.5	Yes	Analysis
5	2025 Tshwane South School District Individual Finals (D4) (U13 Boys)	2025-05-10	2025-05-10	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2025 Piet Robbertse Fide Rated Open Chess Tournament (B)	2025-02-01	2025-02-02	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
7	Gauteng Inter-Region at UJ 2024 (U14 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
8	2024 Etienne Lewis (U14)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	4.5	Yes	Analysis
9	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13B)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
10	2024 Elise Steenkamp Open Chess Tournament (Kings)	2024-06-15	2024-06-17	Standard	Tshwane (GTP)	7	6	2	Yes	Analysis
11	2024 Tshwane South School District CLOSED Individual Championships (U13 Mixed)	2024-05-11	2024-05-11	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	South African Junior Closed Chess Championship 2024 (U12 Open)	2024-04-27	2024-05-01	Standard	Ekurhuleni (GE)	9	9	4.5	Yes	Analysis
13	2024 KSNG CHess Academy Open Tournament (C)	2024-04-06	2024-04-06	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
14	2024 Tshwane Chess AHS Open Chess Tournament (B)	2024-02-24	2024-02-24	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
15	2024 Gauteng Inter-Region Chess Championship (U12A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
16	Lardies Open Tournament 2023 (B)	2023-10-28	2023-10-28	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
17	2023 Etienne Lewis Closed Tournament (U12)	2023-08-25	2023-08-27	Standard	Tshwane (GTP)	7	7	5.5	Yes	Analysis
18	Wynie Robbertse Open Tournament 2023 (B)	2023-06-03	2023-06-03	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
19	2023 Elize Steenkamp Open Tournament (B)	2023-06-16	2023-06-16	Standard	Tshwane (GTP)	6	6	3.5	Yes	Analysis
20	Silver Lakes Open Chess Tournament (B)	2023-04-15	2023-04-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
21	2023 Tshwane South School District CLOSED Individual Championships (U11 Open)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
22	Laerskool Constantiapark Open Chess Tournament 2023 (U12)	2023-02-18	2023-02-18	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
23	2023 Tshwane Chess Open Registration Tournament (B2)	2023-01-28	2023-01-28	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
24	Lardies Tournament 2022 (U12)	2022-10-29	2022-10-29	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
25	Tuks Junior Developmental Tournament 2022 (Blue)	2022-08-06	2022-08-06	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
26	2022 Menlo Open Tournament (C)	2022-07-23	2022-07-23	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
27	Tuks Junior Chess Club Developmental Tournament 2022 (Blue)	2022-06-22	2022-06-22	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
28	D4 Individuals 2022 (U11 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	5	Yes	Analysis

#	Games	Start				End
1	9	Tournament 2024 Elise Steenkamp Open Chess Tournament				Tournament 2024 Etienne Lewis
		date 2024-06-16	rnd 5	type Standard	result 0.5	date 2024-08-30	rnd 1	type Standard	result 1
		Opponent Msimango, M (Moremi)				Opponent Snyman, J (Jacques)
2	5	Tournament 2024 Etienne Lewis				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-09-01	rnd 6	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 1
		Opponent Van Der Merwe, L (Liahne Lizl)				Opponent Tibane, H (Hanyani)
3	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Motsifane, L (Lesedi)				Opponent Myburgh, V (Vaughn)

#	Games	Start				End
1	9	Tournament 2024 Elise Steenkamp Open Chess Tournament				Tournament 2024 Etienne Lewis
		date 2024-06-16	rnd 5	type Standard	result 0.5	date 2024-08-30	rnd 1	type Standard	result 1
		Opponent Msimango, M (Moremi)				Opponent Snyman, J (Jacques)
2	5	Tournament 2024 Etienne Lewis				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-09-01	rnd 6	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 1
		Opponent Van Der Merwe, L (Liahne Lizl)				Opponent Tibane, H (Hanyani)
3	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Motsifane, L (Lesedi)				Opponent Myburgh, V (Vaughn)

#	Games	Start				End
1	4	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 3	type Rapid	result 1	date 2022-04-23	rnd 6	type Rapid	result 1
		Opponent Kleynhans, V (Victor)				Opponent Le Roux, D (Daniel)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 1	type Rapid	result 1	date 2022-04-23	rnd 1	type Rapid	result 1
		Opponent Naidoo, P (Prium)				Opponent Naidoo, P (Prium)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament 2024 Etienne Lewis
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-30	rnd 1	type Standard	result 1
		Opponent Van Rooyen, H (Heinrich)				Opponent Snyman, J (Jacques)
2	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Motsifane, L (Lesedi)				Opponent Myburgh, V (Vaughn)
3	5	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament Wynie Robbertse Open Tournament 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-06-03	rnd 1	type Standard	result 1
		Opponent Swart, J (Juan-Franco)				Opponent Seitei, N (Neo)

#	Games	Start				End
1	6	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament 2024 Etienne Lewis
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-30	rnd 1	type Standard	result 1
		Opponent Van Rooyen, H (Heinrich)				Opponent Snyman, J (Jacques)
2	5	Tournament 2024 Gauteng Inter-Region Chess Championship				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2024-01-13	rnd 1	type Standard	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Motsifane, L (Lesedi)				Opponent Myburgh, V (Vaughn)
3	5	Tournament 2023 Tshwane South School District CLOSED Individual Championships				Tournament Wynie Robbertse Open Tournament 2023
		date 2023-04-22	rnd 2	type Standard	result 1	date 2023-06-03	rnd 1	type Standard	result 1
		Opponent Swart, J (Juan-Franco)				Opponent Seitei, N (Neo)

#	Games	Start				End
1	4	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 3	type Rapid	result 1	date 2022-04-23	rnd 6	type Rapid	result 1
		Opponent Kleynhans, V (Victor)				Opponent Le Roux, D (Daniel)
2	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 1	type Rapid	result 1	date 2022-04-23	rnd 1	type Rapid	result 1
		Opponent Naidoo, P (Prium)				Opponent Naidoo, P (Prium)

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	Mkotong ,R (Reagile)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Mkotong ,R (Reagile)	3	1468	1043	3	1444.5	1043	0	0	0	0	0	0
2	Ribbens ,R (Reuben)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Ribbens ,R (Reuben)	3	1517.9	1376.2	3	1512.3	1376.2	0	0	0	0	0	0
3	Van Meersbergen ,E (Ettienne)	3	0.5	-283.3	3	0.5	-283.3	0	0	0	0	0	0
3	Van Meersbergen ,E (Ettienne)	3	1519.4	1236.1	3	1514.2	1236.1	0	0	0	0	0	0
4	Grobler ,J (Joshua)	2	1	0	2	1	0	0	0	0	0	0	0
4	Grobler ,J (Joshua)	2	1319.4	1319.4	2	1310.3	1319.4	0	0	0	0	0	0
5	Yang ,JD (Daniel)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Yang ,JD (Daniel)	2	1550.1	1762.6	2	1540.6	1762.6	0	0	0	0	0	0
6	Truscott ,A (Ane)	2	2	425	2	2	425	0	0	0	0	0	0
6	Truscott ,A (Ane)	2	1489.2	1914.2	2	1482.6	1914.2	0	0	0	0	0	0
7	Coetzee ,M (Mauritz)	2	1	0	2	1	0	0	0	0	0	0	0
7	Coetzee ,M (Mauritz)	2	1187.3	1187.3	2	1171.3	1187.3	0	0	0	0	0	0
8	Dvir ,O (Omer)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Dvir ,O (Omer)	2	1635.1	1210.1	2	1638.8	1210.1	0	0	0	0	0	0
9	Van Der Westhuizen ,L (Lihan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Van Der Westhuizen ,L (Lihan)	2	1604.1	1816.6	2	1619.2	1816.6	0	0	0	0	0	0
10	Jonker ,T (Tertius)	2	2	425	2	2	425	0	0	0	0	0	0
10	Jonker ,T (Tertius)	2	1381.2	1806.2	2	1384.8	1806.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Kirstein, T (Tinus Ederich)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms