Chess South Africa Ratings Database

PLAYER PAGE

Personal

Zhuang, Z (Zhenxuan)

Chess SA id

1110193103

FIDE id

Date of birth

2011-08-08 (U16)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1198.7

Item	Main	Standard	Rapid	Blitz
Rating	1321.6	1319	1302	1200
Raw rating	1317.8	1315.6	1302	1200
Weighted rating	1321.6	1319	1279.6	1200
Weighted performance	1159.4	1129.9	0	0
Floor	857.5	842.4	802	700
K-factor	36	36	36	36
Min/Max rating change allowed	140.2	140.6	143.4	165.8
Highest rating	1551.3 2024-03-01	1551 2024-03-01	1561.5 2024-09-01	1200 2024-02-01
Highest raw rating	1357.5 2024-10-01	1342.4 2024-05-01	1302 2024-10-01	1200 2024-02-01
Highest weighted rating	1357.5 2024-10-01	1342.4 2024-10-01	1271.1 2025-08-01	1200 2024-02-01
Highest weighted performance	1551.3 2024-03-01	1551 2024-03-01	1561.5 2024-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	1.2	1.1	0	0
New rating	1322.8	1320.1	1302	1200
Analysis
Rating	1321.6	1319	1302	1200
Raw rating	1317.8	1315.6	1302	1200
Weighted rating	1321.6	1319	1279.6
Weighted performance	1159.4	1129.9	0
K-factor	36	36	36	36
Floor	857.5	842.4	802	700
Max/Min rating change allowed	140.2	140.6	143.4	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	1317.8	1315.6	1302	1200
New weighted rating	1322.8	1320.1	1283.3	1200
New weighted performance	1158.9	1129.4	0	0
Temp new rating	1322.8	1320.1	1302	1200
Temp new rating +/-	1.2	1.1	0	0
Final new rating +/-	1.2	1.1	0	0
New rating	1322.8	1320.1	1302	1200
New K-factor	36	36	36	36
New floor	857.5	842.4	802	700

Item	Main	Standard	Rapid
	0	0	0
	15	15	0
	25	19	6
	0	0	0
	0	0	0
	0	0	0
History	40	34	6

Games since
	Main 40	Standard 34		Rapid 6		Blitz 0
Gender	Male
Age group	U16
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2981		965		272
Male	2362		708		200
U16	468		162		46
U16 Male	345		110		34
Standard
	RSA		Province		Region
Overall	2887		819		272
Male	2299		599		199
U16	461		152		51
U16 Male	346		105		39
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	7.5	50	0	1242.4	1242.4
Standard	15	7.5	50	0	1242.4	1242.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	40	24.5	61.25	95.6	1293.4	1389
Standard	34	19	55.88	50	1303.8	1353.8
Rapid	6	5.5	91.67	354.2	1234.7	1588.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1317.8	1315.6	1302	1200
2025-09-01	1317.8	1315.6	1302	1200
2025-08-01	1317.8	1315.6	1302	1200
2025-07-01	1315.5	1314	1302	1200
2025-06-01	1314.9	1314	1302	1200
2025-05-01	1314.9	1314	1302	1200
2025-04-01	1306.3	1303	1302	1200
2025-03-01	1331.5	1313.3	1302	1200
2025-02-01	1357.5	1342.4	1302	1200
2025-01-01	1357.5	1342.4	1302	1200
2024-12-01	1357.5	1342.4	1302	1200
2024-11-01	1357.5	1342.4	1302	1200
2024-10-01	1357.5	1342.4	1302	1200
2024-09-01	1325.9	1342.4	1200	1200
2024-08-01	1325.9	1342.4	1200	1200
2024-07-01	1325.9	1342.4	1200	1200
2024-06-01	1325.9	1342.4	1200	1200
2024-08-01	1325.9	1342.4	1200	1200
2024-04-01	1293.6	1311.4	1200	1200
2024-03-01	1210.2	1212	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Eden Chess Trials 2 2025 (U16)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	5	3	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U15 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Mossel Bay Schools Trials 2 2025 (U15 Boys)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Chess Trials 2 2025 (U16)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	5	3	Yes	Analysis
2	Eden Schools Chess Trials 1 2025 (U15 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	2	Yes	Analysis
3	Mossel Bay Schools Trials 2 2025 (U15 Boys)	2025-02-22	2025-02-22	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
4	Tsogo Sun Moves For Life Learners Tournament 2024 (U13)	2024-08-31	2024-08-31	Rapid	Eden (WEG)	6	6	5.5	Yes	Analysis
5	Eden Chess Trials 2 2024 (U14)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	10	5.5	Yes	Analysis
6	Eden School Chess Trials 1 2024 (U13 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	4	Yes	Analysis
7	Mossel Bay Schools Trials 2 2024 (U13)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	4	2	Yes	Analysis

#	Games	Start				End
1	11	Tournament Eden Chess Trials 2 2024				Tournament Mossel Bay Schools Trials 2 2025
		date 2024-04-20	rnd 8	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Van Hansen, D (Denyschia)				Opponent Isaacs, J (Jonathan)
2	4	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 1	type Standard	result 1	date 2024-03-09	rnd 4	type Standard	result 1
		Opponent Kannemeyer, M (Mushaan)				Opponent Vincent, N (Nicholis)
3	2	Tournament Mossel Bay Schools Trials 2 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-02-22	rnd 5	type Standard	result 0.5	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Bezuidenhout, V (Viaan)				Opponent Julius, G (Gio)

#	Games	Start				End
1	5	Tournament Eden Chess Trials 2 2024				Tournament Mossel Bay Schools Trials 2 2025
		date 2024-04-20	rnd 8	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Van Hansen, D (Denyschia)				Opponent Isaacs, J (Jonathan)
2	4	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 1	type Standard	result 1	date 2024-03-09	rnd 4	type Standard	result 1
		Opponent Kannemeyer, M (Mushaan)				Opponent Vincent, N (Nicholis)
3	2	Tournament Mossel Bay Schools Trials 2 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-02-22	rnd 5	type Standard	result 0.5	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Bezuidenhout, V (Viaan)				Opponent Julius, G (Gio)

#	Games	Start				End
1	6	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 1	type Rapid	result 1	date 2024-08-31	rnd 6	type Rapid	result 1
		Opponent Griffiths, J (Janine)				Opponent Coetzee, H (Hennie)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Mossel Bay Schools Trials 2 2025
		date 2024-08-31	rnd 5	type Rapid	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Weng, N (Niu Niu)				Opponent Isaacs, J (Jonathan)
2	4	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 1	type Standard	result 1	date 2024-03-09	rnd 4	type Standard	result 1
		Opponent Kannemeyer, M (Mushaan)				Opponent Vincent, N (Nicholis)
3	3	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 1	type Rapid	result 1	date 2024-08-31	rnd 3	type Rapid	result 1
		Opponent Griffiths, J (Janine)				Opponent Scott, I (Isabella)

#	Games	Start				End
1	4	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 1	type Standard	result 1	date 2024-03-09	rnd 4	type Standard	result 1
		Opponent Kannemeyer, M (Mushaan)				Opponent Vincent, N (Nicholis)
2	2	Tournament Mossel Bay Schools Trials 2 2025				Tournament Mossel Bay Schools Trials 2 2025
		date 2025-02-22	rnd 1	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Mageduka, M (Minentle)				Opponent Isaacs, J (Jonathan)
3	2	Tournament Eden Chess Trials 2 2024				Tournament Eden Chess Trials 2 2024
		date 2024-04-20	rnd 8	type Standard	result 1	date 2024-04-20	rnd 9	type Standard	result 1
		Opponent Van Hansen, D (Denyschia)				Opponent Greyling, L (Liane)

#	Games	Start				End
1	3	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 1	type Rapid	result 1	date 2024-08-31	rnd 3	type Rapid	result 1
		Opponent Griffiths, J (Janine)				Opponent Scott, I (Isabella)
2	2	Tournament Tsogo Sun Moves For Life Learners Tournament 2024				Tournament Tsogo Sun Moves For Life Learners Tournament 2024
		date 2024-08-31	rnd 5	type Rapid	result 1	date 2024-08-31	rnd 6	type Rapid	result 1
		Opponent Weng, N (Niu Niu)				Opponent Coetzee, H (Hennie)

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	Venter ,G (Gert)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Venter ,G (Gert)	2	1386.4	1173.9	2	1409.7	1173.9	0	0	0	0	0	0
2	Isaacs ,J (Jonathan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Isaacs ,J (Jonathan)	1	1210.8	1635.8	1	1192.2	1635.8	0	0	0	0	0	0
3	Van Hansen ,D (Denyschia)	1	1	425	1	1	425	0	0	0	0	0	0
3	Van Hansen ,D (Denyschia)	1	1213.4	1638.4	1	1210	1638.4	0	0	0	0	0	0
4	Muller ,K (Kieran)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Muller ,K (Kieran)	1	1535.9	1110.9	1	1534	1110.9	0	0	0	0	0	0
5	Kiewietz ,J (Jayden)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kiewietz ,J (Jayden)	1	1171	1596	1	1168.4	1596	0	0	0	0	0	0
6	Nomdo ,L (Luciano)	1	1	425	1	1	425	0	0	0	0	0	0
6	Nomdo ,L (Luciano)	1	1276.9	1701.9	1	1302.9	1701.9	0	0	0	0	0	0
7	Cordewener ,B (Bronti-Mae)	1	1	425	1	1	425	0	0	0	0	0	0
7	Cordewener ,B (Bronti-Mae)	1	1188.4	1613.4	1	1184	1613.4	0	0	0	0	0	0
8	Bezuidenhout ,V (Viaan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Bezuidenhout ,V (Viaan)	1	1202.4	1202.4	1	1200	1202.4	0	0	0	0	0	0
9	Le Roux ,E (Ebert)	1	1	425	1	1	425	0	0	0	0	0	0
9	Le Roux ,E (Ebert)	1	1406.7	1831.7	1	1405.9	1831.7	0	0	0	0	0	0
10	Valentyn ,J (Jeswayne)	1	1	425	1	1	425	0	0	0	0	0	0
10	Valentyn ,J (Jeswayne)	1	1199.7	1624.7	1	1199.8	1624.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Zhuang, Z (Zhenxuan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms