Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, Y (Yannich)

Chess SA id

1080145433

FIDE id

534010696

Date of birth

2008-08-10 (U20)

Gender

Male

Region

Capricorn (LCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1399	1399.9	1327.8	1200
Raw rating	1399	1399.9	1323.6	1200
Weighted rating	1383.9	1380.2	1327.8	1200
Weighted performance	1311.3	1291.9	0	0
Floor	905	899.9	840.1	700
K-factor	32	36	36	36
Min/Max rating change allowed	124.9	124.7	139	165.8
Highest rating	1409.7 2024-08-01	1399.9 2026-01-01	1436.1 2024-06-01	1200 2018-10-01
Highest raw rating	1405 2024-09-01	1399.9 2026-01-01	1340.1 2025-04-01	1200 2024-02-01
Highest weighted rating	1383.9 2026-01-01	1380.2 2026-01-01	1322.3 2025-09-01	1200 2018-10-01
Highest weighted performance	1409.7 2024-08-01	1384.6 2024-04-01	1436.1 2024-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0.7	0
New rating	1399	1399.9	1328.4	1200
Analysis
Rating	1399	1399.9	1327.8	1200
Raw rating	1399	1399.9	1323.6	1200
Weighted rating	1383.9	1380.2	1327.8
Weighted performance	1311.3	1291.9	0
K-factor	32	36	36	36
Floor	905	899.9	840.1	700
Max/Min rating change allowed	124.9	124.7	139	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	1399	1399.9	1323.6	1200
New weighted rating	1385.8	1382.7	1328.4	1200
New weighted performance	1302.2	1282.7	0	0
Temp new rating	1399	1399.9	1328.4	1200
Temp new rating +/-	0	0	0.7	0
Final new rating +/-	0	0	0.7	0
New rating	1399	1399.9	1328.4	1200
New K-factor	32	40	36	36
New floor	905	899.9	840.1	700

Item	Main	Standard	Rapid
	0	0	0
	15	5	10
	52	41	11
	21	15	6
	5	5	0
	0	0	0
History	93	66	27

Games since
	Main 67	Standard 46		Rapid 21		Blitz 0
Gender	Male
Age group	U18
Region	Capricorn (LCP)
Province	Limpopo (LP)
Main
	RSA		Province		Region
Overall	2290		64		57
Male	1858		59		52
U18	361		13		13
U18 Male	310		13		13
Standard
	RSA		Province		Region
Overall	2121		57		51
Male	1723		53		47
U18	359		11		11
U18 Male	310		11		11
Rapid
	RSA		Province		Region
Overall	900		59		20
Male	742		54		17
U18	119		8		7
U18 Male	104		8		7
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	15	11	73.33	198.3	1272.3	1470.6
Standard	5	5	100	425	1218.9	1643.9
Rapid	10	6	60	85	1299	1384
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	93	58.5	62.9	109.7	1264.3	1374
Standard	66	40.5	61.36	96.6	1262.4	1359
Rapid	27	18	66.67	141.7	1269.1	1410.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1399	1399.9	1323.6	1200
2025-11-30	1391.6	1396.6	1323.6	1200
2025-11-01	1391.6	1396.6	1323.6	1200
2025-09-30	1391.6	1396.6	1323.6	1200
2025-09-01	1391.6	1396.6	1323.6	1200
2025-08-01	1396.2	1396.6	1340.1	1200
2025-07-01	1396.2	1396.6	1340.1	1200
2025-06-01	1396.2	1396.6	1340.1	1200
2025-05-01	1396.2	1396.6	1340.1	1200
2025-04-01	1396.2	1396.6	1340.1	1200
2025-03-01	1342.3	1329.3	1333.1	1200
2025-02-01	1340.1	1326.6	1333.1	1200
2025-01-01	1340.1	1321.2	1333.1	1200
2024-12-01	1367.9	1347.5	1333.1	1200
2024-11-01	1367.9	1347.5	1333.1	1200
2024-10-01	1392.3	1374.1	1333.1	1200
2024-09-01	1405	1387.8	1333.1	1200
2024-11-01	1394.5	1370.2	1333.1	1200
2024-07-01	1394.5	1370.2	1333.1	1200
2024-06-01	1365.1	1370.2	1269	1200
2024-05-01	1365.1	1370.2	1269	1200
2024-04-01	1369.7	1364.7	1238	1200
2024-03-01	1319.8	1322.5	1238	1200
2024-02-01	1300.5	1294.6	1238	1200

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	2025 Mzansi Inter Provincial Team Championships (U18 Open)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
2	Polokwane Open Chess Campionships 2025 (B)	2025-08-02	2025-08-02	Rapid	Capricorn (LCP)	7	7	4	Yes	Analysis
3	NABOOMSPAR Open Chess Tournament 21 Mar 2025 (Open)	2025-03-21	2025-03-21	Rapid	Capricorn (LCP)	5	3	2	Yes	Analysis
4	Waterberg Junior Qualifying 1 2025 (U16-U20)	2025-02-22	2025-02-22	Standard	Waterberg (LWM)	5	5	5	Yes	Analysis
5	Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Candidates)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	3.5	Yes	Analysis
6	Limpopo Junior Trials 2024 (U18)	2024-10-05	2024-10-05	Standard	Capricorn (LCP)	5	5	1.5	Yes	Analysis
7	Capricorn Junior Qualifying 6 2024 (U18)	2024-09-14	2024-09-14	Standard	Capricorn (LCP)	5	5	2.5	Yes	Analysis
8	Waterberg Qualfying 2024 (U18)	2024-07-19	2024-07-19	Standard	Waterberg (LWM)	5	5	4	Yes	Analysis
9	Nylstroom Modimolle Open Chess Tournament 15 June 2024	2024-06-15	2024-06-15	Rapid	Waterberg (LWM)	5	5	4	Yes	Analysis
10	NABOOMSPAR Open Chess Tournament 2024 (Open)	2024-04-27	2024-04-27	Standard	Waterberg (LWM)	5	5	3	Yes	Analysis
11	NWU Super 16 2024	2024-04-19	2024-04-19	Rapid	Gert Sibande (MGS)	6	6	4	Yes	Analysis
12	Capricorn District Junior Qualifying 3 2024 (U18)	2024-03-09	2024-03-09	Standard	Capricorn (LCP)	5	5	3.5	Yes	Analysis
13	Capricorn District Chess Junior Qualifying Tournament 2024 (U18)	2024-02-10	2024-02-10	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
14	2024 Gauteng Inter-Region Chess Championship (U16C)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
15	2023 Capricorn District Junior Final Trials (U16 Mixed)	2023-11-11	2023-11-11	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
16	NWU Super 16 2023 (B)	2023-04-21	2023-04-21	Rapid	Gert Sibande (MGS)	7	6	4	Yes	Analysis
17	Capricorn Qualifying March 2023 (U16)	2023-03-11	2023-03-11	Standard	Capricorn (LCP)	5	5	2.5	Yes	Analysis
18	Capricorn Qualifying February 4th 2023 (U16)	2023-02-04	2023-02-04	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
19	Capricorn Qualifying August 2022 (U16)	2022-08-20	2022-08-20	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	7	Tournament Waterberg Junior Qualifying 1 2025				Tournament NABOOMSPAR Open Chess Tournament 21 Mar 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-03-21	rnd 2	type Rapid	result 1
		Opponent Smal, R (Rene)				Opponent Pretorius, D (Danielle)
2	6	Tournament NWU Super 16 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-04-19	rnd 2	type Rapid	result 1	date 2024-04-27	rnd 1	type Standard	result 1
		Opponent Mostert, A (Arno)				Opponent Du Plooy, J (Juan-Re)
3	5	Tournament Waterberg Qualfying 2024				Tournament Capricorn Junior Qualifying 6 2024
		date 2024-07-19	rnd 2	type Standard	result 1	date 2024-09-14	rnd 1	type Standard	result 1
		Opponent Makinta, M (Malose)				Opponent Thabethe, H (Hope)

#	Games	Start				End
1	5	Tournament Waterberg Junior Qualifying 1 2025				Tournament Waterberg Junior Qualifying 1 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Smal, R (Rene)				Opponent Pretorius, D (Danielle)
2	5	Tournament Waterberg Qualfying 2024				Tournament Capricorn Junior Qualifying 6 2024
		date 2024-07-19	rnd 2	type Standard	result 1	date 2024-09-14	rnd 1	type Standard	result 1
		Opponent Makinta, M (Malose)				Opponent Thabethe, H (Hope)
3	5	Tournament Capricorn District Junior Qualifying 3 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-03-09	rnd 2	type Standard	result 1	date 2024-04-27	rnd 1	type Standard	result 1
		Opponent Makokwane, N (Neo)				Opponent Du Plooy, J (Juan-Re)

#	Games	Start				End
1	7	Tournament NWU Super 16 2024				Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024
		date 2024-04-19	rnd 2	type Rapid	result 1	date 2024-06-15	rnd 2	type Rapid	result 1
		Opponent Mostert, A (Arno)				Opponent Kekana, M (Msiza)
2	4	Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024				Tournament NABOOMSPAR Open Chess Tournament 21 Mar 2025
		date 2024-06-15	rnd 4	type Rapid	result 1	date 2025-03-21	rnd 2	type Rapid	result 1
		Opponent Van Der Merwe, M (Monica)				Opponent Pretorius, D (Danielle)
3	4	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 4	type Rapid	result 1
		Opponent Kriel, D (Devin)				Opponent Jacobs, R (Raiden)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Waterberg Junior Qualifying 1 2025				Tournament NABOOMSPAR Open Chess Tournament 21 Mar 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-03-21	rnd 2	type Rapid	result 1
		Opponent Smal, R (Rene)				Opponent Pretorius, D (Danielle)
2	5	Tournament Waterberg Qualfying 2024				Tournament Capricorn Junior Qualifying 6 2024
		date 2024-07-19	rnd 2	type Standard	result 1	date 2024-09-14	rnd 1	type Standard	result 1
		Opponent Makinta, M (Malose)				Opponent Thabethe, H (Hope)
3	4	Tournament NABOOMSPAR Open Chess Tournament 2024				Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024
		date 2024-04-27	rnd 4	type Standard	result 1	date 2024-06-15	rnd 2	type Rapid	result 1
		Opponent Booyse, M (Marco)				Opponent Kekana, M (Msiza)

#	Games	Start				End
1	5	Tournament Waterberg Junior Qualifying 1 2025				Tournament Waterberg Junior Qualifying 1 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Smal, R (Rene)				Opponent Pretorius, D (Danielle)
2	5	Tournament Waterberg Qualfying 2024				Tournament Capricorn Junior Qualifying 6 2024
		date 2024-07-19	rnd 2	type Standard	result 1	date 2024-09-14	rnd 1	type Standard	result 1
		Opponent Makinta, M (Malose)				Opponent Thabethe, H (Hope)
3	4	Tournament Capricorn Qualifying August 2022				Tournament Capricorn Qualifying February 4th 2023
		date 2022-08-20	rnd 5	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Kubyana, T (Thapelo)				Opponent Machaba, T (Tebogo)

#	Games	Start				End
1	4	Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024				Tournament NABOOMSPAR Open Chess Tournament 21 Mar 2025
		date 2024-06-15	rnd 4	type Rapid	result 1	date 2025-03-21	rnd 2	type Rapid	result 1
		Opponent Van Der Merwe, M (Monica)				Opponent Pretorius, D (Danielle)
2	4	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 1	type Rapid	result 1	date 2023-04-21	rnd 4	type Rapid	result 1
		Opponent Kriel, D (Devin)				Opponent Jacobs, R (Raiden)
3	2	Tournament Polokwane Open Chess Campionships 2025				Tournament Polokwane Open Chess Campionships 2025
		date 2025-08-02	rnd 5	type Rapid	result 1	date 2025-08-02	rnd 6	type Rapid	result 1
		Opponent Lethole, M (Modidi)				Opponent Mokgehle, M (Metse)

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	Pretorius ,D (Danielle)	4	4	425	2	2	425	2	2	425	0	0	0
1	Pretorius ,D (Danielle)	4	1179.8	1604.8	2	1153.1	1604.8	2	1212.1	1604.8	0	0	0
2	Pieterse ,JJ (Johan)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
2	Pieterse ,JJ (Johan)	3	1364.1	1364.1	3	1349	1364.1	0	0	0	0	0	0
3	Thipe ,L (Lehlabile)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Thipe ,L (Lehlabile)	2	1560.6	1135.6	2	1591.8	1135.6	0	0	0	0	0	0
4	Louw ,B (Benrico)	2	1	0	2	1	0	0	0	0	0	0	0
4	Louw ,B (Benrico)	2	1400.2	1400.2	2	1396.8	1400.2	0	0	0	0	0	0
5	Mello ,T (Thoriso)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Mello ,T (Thoriso)	2	1420.8	1208.3	2	1429.3	1208.3	0	0	0	0	0	0
6	Joubert ,M (Morne)	2	2	425	2	2	425	0	0	0	0	0	0
6	Joubert ,M (Morne)	2	1189.9	1614.9	2	1185.2	1614.9	0	0	0	0	0	0
7	Lotterie ,C (Christo)	2	1	0	2	1	0	0	0	0	0	0	0
7	Lotterie ,C (Christo)	2	1295.3	1295.3	2	1298.4	1295.3	0	0	0	0	0	0
8	Laubscher ,EEA (Enrico)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Laubscher ,EEA (Enrico)	2	1253.8	1041.2	2	1254.4	1041.2	0	0	0	0	0	0
9	Matlou ,K (Kgethego M)	2	1	0	2	1	0	0	0	0	0	0	0
9	Matlou ,K (Kgethego M)	2	1276.4	1276.4	2	1287.8	1276.4	0	0	0	0	0	0
10	Machaba ,T (Tebogo)	2	1	0	2	1	0	0	0	0	0	0	0
10	Machaba ,T (Tebogo)	2	1267.8	1267.8	2	1266.4	1267.8	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

Pretorius, Y (Yannich)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms