Chess South Africa Ratings Database

PLAYER PAGE

Personal

Weng, Q (Qi)

Chess SA id

1090143830

FIDE id

14397501

Date of birth

2009-03-04 (U18)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Yes

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	1520.1	1504.8	1445.6	1194.6
Raw rating	1520.1	1504.8	1445.6	1193.9
Weighted rating	1488.3	1463.9	1439.1	1194.6
Weighted performance	1445.6	1460.7	1113.5	0
Floor	1025.9	1006.7	1032.9	700
K-factor	32	32	32	36
Min/Max rating change allowed	105.1	107.4	116.9	167.3
Highest rating	1525.9 2025-09-01	1506.7 2025-09-01	1549.3 2023-10-01	1200 2018-10-01
Highest raw rating	1525.9 2025-09-01	1506.7 2025-09-01	1532.9 2023-11-01	1200 2024-02-01
Highest weighted rating	1488.3 2026-01-01	1463.9 2026-01-01	1532.9 2025-04-01	1200 2018-10-01
Highest weighted performance	1523 2025-06-01	1506.5 2023-02-01	1549.3 2023-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	-0.1
New rating	1520.1	1504.8	1445.6	1194.5
Analysis
Rating	1520.1	1504.8	1445.6	1194.6
Raw rating	1520.1	1504.8	1445.6	1193.9
Weighted rating	1488.3	1463.9	1439.1
Weighted performance	1445.6	1460.7	1113.5
K-factor	32	32	32	36
Floor	1025.9	1006.7	1032.9	700
Max/Min rating change allowed	105.1	107.4	116.9	167.3
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	1520.1	1504.8	1445.6	1193.9
New weighted rating	1492	1469.4	1439.2	1194.5
New weighted performance	1435.9	1450.8	1104.8	0
Temp new rating	1520.1	1504.8	1445.6	1194.5
Temp new rating +/-	0	0	0	-0.1
Final new rating +/-	0	0	0	-0.1
New rating	1520.1	1504.8	1445.6	1194.5
New K-factor	32	32	32	36
New floor	1025.9	1006.7	1032.9	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	43	29	5	9
	68	31	30	7
	55	15	40	0
	29	9	20	0
	0	0	0	0
History	195	84	95	16

Games since
	Main 111	Standard 60		Rapid 35		Blitz 16
Gender	Male
Age group	U18
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	1241		15		12
Male	1065		15		12
U18	202		3		3
U18 Male	178		3		3
Standard
	RSA		Province		Region
Overall	1331		13		10
Male	1122		13		10
U18	218		3		3
U18 Male	191		3		3
Rapid
	RSA		Province		Region
Overall	353		8		7
Male	313		8		7
U18	39		2		2
U18 Male	36		2		2
Blitz
	RSA		Province		Region
Overall	511		13		10
Male	449		12		9
U18	67		4		4
U18 Male	58		4		4


	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	43	24.5	56.98	59.3	1453.5	1512.8
Standard	29	18	62.07	102.6	1414.5	1517.1
Rapid	5	3.5	70	170	1402.2	1572.2
Blitz	9	3	33.33	-141.7	1607.5	1465.8
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	195	125.5	64.36	122.1	1318.2	1440.2
Standard	84	51	60.71	91.1	1354.2	1445.2
Rapid	95	68.5	72.11	187.9	1252.4	1440.3
Blitz	16	6	37.5	-106.2	1520.3	1414

Date	Main	Standard	Rapid	Blitz
2026-01-01	1520.1	1504.8	1445.6	1193.9
2025-11-30	1503.6	1484	1445.6	1193.9
2025-11-01	1503.6	1484	1445.6	1193.9
2025-09-30	1525.9	1506.7	1445.6	1193.9
2025-09-01	1525.9	1506.7	1445.6	1193.9
2025-08-01	1519.7	1506.5	1445.6	1193.9
2025-07-01	1523	1506.5	1445.6	1196.3
2025-06-01	1523	1506.5	1445.6	1196.3
2025-05-01	1505.3	1483.1	1445.6	1196.3
2025-04-01	1505.3	1483.1	1445.6	1196.3
2025-03-01	1459.7	1424.5	1445.1	1196.3
2025-02-01	1439.9	1397.7	1442.6	1195.9
2025-01-01	1412.6	1397.7	1398.5	1188.8
2024-12-01	1437.6	1420.4	1398.5	1188.8
2024-11-01	1437.6	1420.4	1398.5	1188.8
2024-10-01	1413.7	1390.3	1398.5	1188.8
2024-09-01	1416.8	1390.3	1398.5	1200
2024-11-01	1452.3	1402.8	1454.5	1200
2024-07-01	1452.3	1402.8	1454.5	1200
2024-06-01	1452.3	1402.8	1454.5	1200
2024-05-01	1414.3	1338.2	1454.5	1200
2024-04-01	1446	1369.5	1454.5	1200
2024-03-01	1480.9	1369.5	1516.9	1200
2024-02-01	1482.9	1369.5	1532.3	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	11th Piet van Zyl Chess Festival 2025 (A)	2025-10-10	2025-10-11	Standard	Mangaung (FMB)	5	5	1.5	Yes	Analysis
3	Free State Closed 2025 (U18 Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	5	3.5	Yes	Analysis
4	Smart Chess Blitz 2025 (Elite)	2025-07-19	2025-07-19	Blitz	Mangaung (FMB)	9	9	3	Yes	Analysis
5	Spartan Bishops Championships Elite 2025 (U18)	2025-05-23	2025-05-25	Standard	Frances Baard (NCF)	5	5	3.5	Yes	Analysis
6	Mangaung Metro Chess 7-8 March 2025 (A)	2025-03-07	2025-03-08	Standard	Mangaung (FMB)	5	4	2.5	Yes	Analysis
7	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
8	Mangaung Metro Chess 7-8 February 2025 (A)	2025-02-07	2025-02-08	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
9	Mangaung Metro Chess 25 January 2025 (A)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	5	3.5	Yes	Analysis
10	Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Championship)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	3.5	Yes	Analysis
11	Mangaung Metro Chess 11-12 October 2024 (A)	2024-10-11	2024-10-12	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
12	Smart Chess Blitz 2024 (A)	2024-09-07	2024-09-07	Blitz	Mangaung (FMB)	7	7	3	Yes	Analysis
13	Mangaung Metro Chess 16-17 August 2024 (A)	2024-08-16	2024-08-17	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis
14	Bloemfontein Highschool League 02 Aug 2024 (U19A)	2024-08-02	2024-08-02	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
15	Mangaung Metro Chess 3 August 2024 (A)	2024-08-03	2024-08-03	Rapid	Mangaung (FMB)	5	5	1.5	Yes	Analysis
16	10th Piet van Zyl Chess Festival 2024 (A+B)	2024-05-24	2024-05-25	Standard	Mangaung (FMB)	5	4	2	Yes	Analysis
17	Spartan Bishops Chess Championships 2024 (Bishops)	2024-05-04	2024-05-05	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
18	Mangaung Metro Chess 12-13 April 2024 (A)	2024-04-12	2024-04-13	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
19	Mangaung Metro Chess 9 March 2024 (A)	2024-03-09	2024-03-09	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
20	Mangaung Metro Chess 10 February 2024 (B)	2024-02-10	2024-02-10	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
21	Kings & Queens Chess 27 January 2024 (B)	2024-01-27	2024-01-27	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
22	Bloemfontein High School League Tournament 26 January 2024 (U15B+U17B)	2024-01-26	2024-01-26	Rapid	Mangaung (FMB)	5	5	5	Yes	Analysis
23	Bloemfontein HS League 13 October 2023 (U13+U15)	2023-10-13	2023-10-13	Rapid	Mangaung (FMB)	5	5	5	Yes	Analysis
24	Heidedal Chess 14 October 2023 (B)	2023-10-14	2023-10-14	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
25	Bloemfontein HS League 27 October 2023 (U13-U17)	2023-10-27	2023-10-27	Rapid	Cape Winelands (WCW)	5	5	4	Yes	Analysis
26	St Andrews 19 August 2023 (B)	2023-08-19	2023-08-19	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
27	Bloemfontein League 25 August 2023 (U13+U15)	2023-08-25	2023-08-25	Rapid	Mangaung (FMB)	5	5	5	Yes	Analysis
28	Morris Club Championship 2023	2023-07-28	2023-07-28	Rapid	Mangaung (FMB)	5	5	3.5	Yes	Analysis
29	9th Piet van Zyl Chess Festival 2023 (C+D)	2023-05-26	2023-05-27	Standard	Mangaung (FMB)	5	5	4.5	Yes	Analysis
30	Inter Regional Chess Championship 2023 (U16)	2023-05-19	2023-05-20	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
31	Grey College Team Championship 2023 (A)	2023-02-03	2023-02-04	Standard	Mangaung (FMB)	5	5	5	Yes	Analysis
32	Bloemfontein Highschool League 24 Feb 2023 (U13+U15)	2023-02-24	2023-02-24	Rapid	Mangaung (FMB)	5	5	4.5	Yes	Analysis
33	Kings & Queens Chess 21 January 2023 (B)	2023-01-21	2023-01-21	Rapid	Mangaung (FMB)	5	5	3.5	Yes	Analysis
34	Courteney Page Chess Festival 2022 (C)	2022-10-15	2022-10-15	Rapid	Mangaung (FMB)	5	5	4	Yes	Analysis
35	Kiriakos Michalakis Chess Festival 2022 (B)	2022-09-24	2022-09-24	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
36	Bloemfontein School League 2022 (U15+U17)	2022-08-12	2022-08-12	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
37	Mangaung Metro Chess 13 August 2022 (C+D)	2022-08-13	2022-08-13	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis
38	8th Piet Van Zyl Chess Festival 2022 (C)	2022-07-22	2022-07-23	Standard	Mangaung (FMB)	5	4	1	Yes	Analysis
39	School League 2022 (U13+U15)	2022-07-29	2022-07-29	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis

#	Games	Start				End
1	15	Tournament St Andrews 19 August 2023				Tournament Heidedal Chess 14 October 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-10-14	rnd 2	type Rapid	result 1
		Opponent Rautenbach, H (Hendrik)				Opponent Mosoeu, R (Reitumetse)
2	11	Tournament Grey College Team Championship 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-05-19	rnd 1	type Standard	result 1
		Opponent Blomerus, K (Kian)				Opponent Du Plooy, D (Duandr�)
3	10	Tournament Mangaung Metro Chess 7-8 February 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-02-07	rnd 2	type Standard	result 1	date 2025-03-07	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, CF (Christiaan Frederik)				Opponent Redguard, J (Jermaine)

#	Games	Start				End
1	12	Tournament 8th Piet Van Zyl Chess Festival 2022				Tournament Inter Regional Chess Championship 2023
		date 2022-07-23	rnd 5	type Standard	result 1	date 2023-05-19	rnd 1	type Standard	result 1
		Opponent Maass, T (Tanya)				Opponent Du Plooy, D (Duandr�)
2	10	Tournament Mangaung Metro Chess 7-8 February 2025				Tournament Mangaung Metro Chess 7-8 March 2025
		date 2025-02-07	rnd 2	type Standard	result 1	date 2025-03-07	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, CF (Christiaan Frederik)				Opponent Redguard, J (Jermaine)
3	6	Tournament Spartan Bishops Championships Elite 2025				Tournament Free State Closed 2025
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent Makhetha, R (Relebohile)				Opponent Tladi, J (Junior)

#	Games	Start				End
1	15	Tournament St Andrews 19 August 2023				Tournament Heidedal Chess 14 October 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-10-14	rnd 2	type Rapid	result 1
		Opponent Rautenbach, H (Hendrik)				Opponent Mosoeu, R (Reitumetse)
2	9	Tournament Bloemfontein Highschool League 24 Feb 2023				Tournament Morris Club Championship 2023
		date 2023-02-24	rnd 1	type Rapid	result 1	date 2023-07-28	rnd 4	type Rapid	result 1
		Opponent Moletsane, T (Tshimologo)				Opponent Rautenbach, H (Hendrik)
3	8	Tournament Bloemfontein HS League 27 October 2023				Tournament Kings & Queens Chess 27 January 2024
		date 2023-10-27	rnd 5	type Rapid	result 1	date 2024-01-27	rnd 2	type Rapid	result 1
		Opponent Mokoena, T (Tshepo)				Opponent Lebenya, A (Agnes)

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 5	type Blitz	result 1	date 2025-07-19	rnd 6	type Blitz	result 1
		Opponent Smit, A (Albert)				Opponent Monchusi, O (Obusitse Dimpho)
2	1	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 2	type Blitz	result 1	date 2025-07-19	rnd 2	type Blitz	result 1
		Opponent Van Der Merwe, T (Tiaan)				Opponent Van Der Merwe, T (Tiaan)
3	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 7	type Blitz	result 1	date 2024-09-07	rnd 7	type Blitz	result 1
		Opponent Maleka, Q (Qosho Thabang)				Opponent Maleka, Q (Qosho Thabang)

#	Games	Start				End
1	15	Tournament St Andrews 19 August 2023				Tournament Heidedal Chess 14 October 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-10-14	rnd 2	type Rapid	result 1
		Opponent Rautenbach, H (Hendrik)				Opponent Mosoeu, R (Reitumetse)
2	8	Tournament Bloemfontein HS League 27 October 2023				Tournament Kings & Queens Chess 27 January 2024
		date 2023-10-27	rnd 5	type Rapid	result 1	date 2024-01-27	rnd 2	type Rapid	result 1
		Opponent Mokoena, T (Tshepo)				Opponent Lebenya, A (Agnes)
3	7	Tournament Grey College Team Championship 2023				Tournament Bloemfontein Highschool League 24 Feb 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-24	rnd 2	type Rapid	result 1
		Opponent Blomerus, K (Kian)				Opponent Malo, T (Thato)

#	Games	Start				End
1	6	Tournament Grey College Team Championship 2023				Tournament Inter Regional Chess Championship 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-05-19	rnd 1	type Standard	result 1
		Opponent Blomerus, K (Kian)				Opponent Du Plooy, D (Duandr�)
2	5	Tournament Inter Regional Chess Championship 2023				Tournament 9th Piet van Zyl Chess Festival 2023
		date 2023-05-20	rnd 5	type Standard	result 1	date 2023-05-27	rnd 4	type Standard	result 1
		Opponent Khoete, B (Bokang)				Opponent Lebenya, A (Agnes)
3	3	Tournament Mangaung Metro Chess 11-12 October 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-10-12	rnd 4	type Standard	result 1	date 2024-12-16	rnd 1	type Standard	result 1
		Opponent Mothupi, O (Obakeng)				Opponent Ndou, M (Muano)

#	Games	Start				End
1	15	Tournament St Andrews 19 August 2023				Tournament Heidedal Chess 14 October 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-10-14	rnd 2	type Rapid	result 1
		Opponent Rautenbach, H (Hendrik)				Opponent Mosoeu, R (Reitumetse)
2	8	Tournament Bloemfontein HS League 27 October 2023				Tournament Kings & Queens Chess 27 January 2024
		date 2023-10-27	rnd 5	type Rapid	result 1	date 2024-01-27	rnd 2	type Rapid	result 1
		Opponent Mokoena, T (Tshepo)				Opponent Lebenya, A (Agnes)
3	6	Tournament Kings & Queens Chess 27 January 2024				Tournament Mangaung Metro Chess 10 February 2024
		date 2024-01-27	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 4	type Rapid	result 1
		Opponent Bodenstein, D (Dian)				Opponent Kotze, R (Ruan)

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 5	type Blitz	result 1	date 2025-07-19	rnd 6	type Blitz	result 1
		Opponent Smit, A (Albert)				Opponent Monchusi, O (Obusitse Dimpho)
2	1	Tournament Smart Chess Blitz 2025				Tournament Smart Chess Blitz 2025
		date 2025-07-19	rnd 2	type Blitz	result 1	date 2025-07-19	rnd 2	type Blitz	result 1
		Opponent Van Der Merwe, T (Tiaan)				Opponent Van Der Merwe, T (Tiaan)
3	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 7	type Blitz	result 1	date 2024-09-07	rnd 7	type Blitz	result 1
		Opponent Maleka, Q (Qosho Thabang)				Opponent Maleka, Q (Qosho Thabang)

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	Rossouw ,J (Johrne)	7	1	-303.6	3	0	-425	3	1	-141.7	1	0	-425
1	Rossouw ,J (Johrne)	7	1527.9	1224.4	3	1495.9	1102.9	3	1542.1	1386.3	1	1071.5	1102.9
2	Modirwa ,O (Ofentse)	5	1	-255	2	0.5	-212.5	2	0.5	-212.5	1	0	-425
2	Modirwa ,O (Ofentse)	5	1732.5	1477.5	2	1765.9	1520	2	1511.1	1520	1	1467.8	1307.5
3	Fouchee ,M (Marinus)	4	4	425	2	2	425	2	2	425	0	0	0
3	Fouchee ,M (Marinus)	4	1288.5	1713.5	2	1292.1	1713.5	2	1084.4	1713.5	0	0	0
4	Lebenya ,A (Agnes)	4	4	425	2	2	425	2	2	425	0	0	0
4	Lebenya ,A (Agnes)	4	1259.8	1684.8	2	1197.9	1684.8	2	1190.6	1684.8	0	0	0
5	Moalusi ,P (Palesa)	4	3	212.5	2	1	0	2	2	425	0	0	0
5	Moalusi ,P (Palesa)	4	1238.5	1451	2	1139.5	1238.5	2	1263.2	1663.5	0	0	0
6	Els ,C (Christiaan)	3	1.5	0	2	1	0	1	0.5	0	0	0	0
6	Els ,C (Christiaan)	3	1358.1	1358.1	2	1403.3	1358.1	1	1220.2	1358.1	0	0	0
7	Sekharume ,L (Lefu)	3	1	-141.7	2	1	0	0	0	0	1	0	-425
7	Sekharume ,L (Lefu)	3	1895.2	1753.5	2	1949.2	1895.2	0	0	0	1	1625.9	1470.2
8	Melville ,J (Jason)	3	0	-425	1	0	-425	2	0	-425	0	0	0
8	Melville ,J (Jason)	3	1210.4	785.4	1	1148.6	785.4	2	1276.6	785.4	0	0	0
9	January ,O (Oratile)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
9	January ,O (Oratile)	3	1198.3	1340	0	0	0	3	1129.6	1340	0	0	0
10	Maass ,T (Tanya)	2	2	425	1	1	425	1	1	425	0	0	0
10	Maass ,T (Tanya)	2	1218.1	1643.1	1	1293.9	1643.1	1	1133.2	1643.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Weng, Q (Qi)

Ratings

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Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms