Chess South Africa Ratings Database

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Personal

Degueldre, J (Jean-Christian)

Chess SA id

1090097018

FIDE id

Date of birth

2009-07-02 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1542.3

Item	Main	Standard	Rapid	Blitz
Rating	1686.1	1699.3	1538.4	1200
Raw rating	1662.4	1663.7	1538.4	1200
Weighted rating	1686.1	1699.3	1538.4	1200
Weighted performance	1537.4	1525	1140.7	0
Floor	1238.1	1256	1046.2	700
K-factor	28	28	32	36
Min/Max rating change allowed	85.8	85.6	102.4	165.8
Highest rating	1746.8 2023-09-01	1784.9 2024-03-01	1555.3 2023-10-01	1200 2018-10-01
Highest raw rating	1738.1 2024-07-01	1756 2024-07-01	1546.2 2023-10-01	1200 2024-02-01
Highest weighted rating	1738.1 2025-04-01	1756 2025-04-01	1538.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1746.8 2023-09-01	1784.9 2024-03-01	1555.3 2023-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.9	-3	0	0
New rating	1684.2	1696.3	1538.4	1200
Analysis
Rating	1686.1	1699.3	1538.4	1200
Raw rating	1662.4	1663.7	1538.4	1200
Weighted rating	1686.1	1699.3	1538.4
Weighted performance	1537.4	1525	1140.7
K-factor	28	28	32	36
Floor	1238.1	1256	1046.2	700
Max/Min rating change allowed	85.8	85.6	102.4	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	1662.4	1663.7	1538.4	1200
New weighted rating	1684.2	1696.3	1538.4	1200
New weighted performance	1528	1515.7	1131.5	0
Temp new rating	1684.2	1696.3	1538.4	1200
Temp new rating +/-	-1.9	-3	0	0
Final new rating +/-	-1.9	-3	0	0
New rating	1684.2	1696.3	1538.4	1200
New K-factor	28	28	32	36
New floor	1238.1	1256	1046.2	700

Item	Main	Standard	Rapid
	0	0	0
	33	33	0
	31	31	0
	58	32	26
	34	29	5
	11	6	5
History	215	164	51

Games since
	Main 64	Standard 64		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	342		105		78
Male	323		99		73
U18	46		12		9
U18 Male	46		12		9
Standard
	RSA		Province		Region
Overall	314		91		69
Male	292		85		65
U18	41		8		6
U18 Male	41		8		6
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
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	33	20.5	62.12	103	1516.6	1619.6
Standard	33	20.5	62.12	103	1516.6	1619.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	215	159	73.95	203.6	1362.6	1566.2
Standard	164	116	70.73	176.2	1387.2	1563.4
Rapid	51	43	84.31	291.7	1283.6	1575.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1662.4	1663.7	1538.4	1200
2025-09-30	1687.3	1701	1538.4	1200
2025-09-01	1687.3	1701	1538.4	1200
2025-08-01	1687.3	1701	1538.4	1200
2025-07-01	1686.7	1700	1538.4	1200
2025-06-01	1685.8	1698.6	1538.4	1200
2025-05-01	1682.8	1694.7	1538.4	1200
2025-04-01	1684.1	1695	1538.4	1200
2025-03-01	1683.5	1693.9	1538.4	1200
2025-02-01	1681.6	1691.8	1538.4	1200
2025-01-01	1667.3	1680.9	1538.4	1200
2024-12-01	1667.3	1680.9	1538.4	1200
2024-11-01	1667.3	1680.9	1538.4	1200
2024-10-01	1667.3	1680.9	1538.4	1200
2024-09-01	1738.1	1756	1538.4	1200
2024-08-01	1738.1	1756	1538.4	1200
2024-07-01	1738.1	1756	1538.4	1200
2024-09-01	1717.6	1739.8	1538.4	1200
2024-05-01	1717.6	1739.8	1538.4	1200
2024-04-01	1717.6	1739.8	1538.4	1200
2024-03-01	1654.4	1681.3	1538.4	1200
2024-02-01	1648.6	1678.8	1538.4	1200
2024-01-01	1648.6	1678.8	1538.4	1200
2023-12-01	1648.6	1625.2	1538.4	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	Cape Town Chess Federation Club League 2025 (B)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	0	0	No	Analysis
2	Paarl Boys' High School Chess Festival 2025 (Elite)	2025-10-17	2025-10-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis
4	South African Junior Closed Chess Championships 2025 (U16 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	3.5	Yes	Analysis
5	CT Metro Schools Individual Closed 2025 (U17 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
6	CT Metro North Schools Chess Individual Trials 2025 (U17 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (B)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	0	0	No	Analysis
2	Paarl Boys' High School Chess Festival 2025 (Elite)	2025-10-17	2025-10-18	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U17 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis
4	South African Junior Closed Chess Championships 2025 (U16 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	3.5	Yes	Analysis
5	CT Metro Schools Individual Closed 2025 (U17 Open)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
6	CT Metro North Schools Chess Individual Trials 2025 (U17 Open)	2025-02-08	2025-02-09	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
7	CT League 2024 (B)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	2	0.5	Yes	Analysis
8	CT League 2024 (C)	2024-07-20	2024-09-07	Standard	Cape Town (WCT)	11	6	4	Yes	Analysis
9	Cape Town Chess Federation Closed Chess Championships 2024 (U16)	2024-06-15	2024-06-16	Standard	Cape Town (WCT)	6	6	5.5	Yes	Analysis
10	Cape Town Junior League Qualifier 2024 (U15 Open)	2024-04-06	2024-04-06	Rapid	Cape Town (WCT)	6	0	0	No	Analysis
11	Western Cape HS Individuals Championship 2024 (U15 Boys)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	5	Yes	Analysis
12	Cape Town Metro Schools Chess Closed Individuals 2024 (U15 Boys)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	6	Yes	Analysis
13	North District School Trials 2024 (U15 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	4.5	Yes	Analysis
14	Chess Challengers Championship � High School 2023 (U15)	2023-10-14	2023-10-14	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
15	Western Cape Closed Championship 2023 (U16)	2023-09-23	2023-09-23	Rapid	Cape Town (WCT)	6	6	5.5	Yes	Analysis
16	WP Club League 2023 (C)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	1	1	Yes	Analysis
17	Cape Town Junior Chess League - Round 1 2023 (U16A)	2023-07-22	2023-07-22	Rapid	Cape Town (WCT)	7	7	6	Yes	Analysis
18	CT Metro District North Top Schools Chess 2023 (U15 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	7	7	6	Yes	Analysis
19	2023 SA Schools Winter Games (U15 Open)	2023-07-04	2023-07-06	Standard	West Rand (GWR)	7	7	4.5	Yes	Analysis
20	WP Closed 2023 (U16)	2023-06-16	2023-06-17	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
21	Western Cape HS Individuals 2023 (U15 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
22	Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Boys)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
23	North District School Trials 2023 (U15 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	5.5	Yes	Analysis
24	Western Cape Closed Championship 2022 (U14)	2022-09-24	2022-09-24	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
25	South African Open 2022 (U16)	2022-07-11	2022-07-13	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
26	WP Closed 2022 (U14)	2022-06-16	2022-06-16	Standard	Cape Town (WCT)	6	6	6	Yes	Analysis
27	Stellenberg Chess Championship 2022 (Championship)	2022-06-24	2022-06-25	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
28	Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U14)	2022-02-19	2022-02-19	Rapid	Cape Town (WCT)	5	5	5	Yes	Analysis
29	Kraaifontein Open 2022 (Intermediate)	2022-01-08	2022-01-09	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
30	CWP Closed 2021 (Open)	2021-09-18	2021-09-19	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
31	CWP Youth Day Rapid 2021 (U14)	2021-06-16	2021-06-16	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
32	2020 Metro Trials (U11 Boys)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
33	Metro North Individual Trials 2020 (U11)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
34	2020 Welgemoed Chess Challenge (U12)	2020-02-29	2020-02-29	Rapid	Cape Town (WCT)	5	5	5	Yes	Analysis
35	2019 Kraaifontein Open (Development)	2019-12-07	2019-12-08	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
36	Curro Durbanville Chess Tournament 2019 (Premier)	2019-08-23	2019-08-24	Standard	Cape Town (WCT)	6	2	1	Yes	Analysis
37	Stellenberg Youth Chess Championship 2019 (B)	2019-04-30	2019-05-01	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
38	Welgemoed Chess Challenge 2019 (U12)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	5	4.5	Yes	Analysis
39	District North Schools Chess Trials 2019 (U11)	2019-01-25	2019-01-26	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
40	Courtrai Young Masters 2018 (U10)	2018-10-27	2018-10-27	Rapid	Cape Winelands (WCW)	7	5	4	Yes	Analysis
41	District North Schools Chess Open Trials 2018 (U9)	2018-02-09	2018-02-10	Standard	Cape Town (WCT)	5	2	0	Yes	Analysis

#	Games	Start				End
1	16	Tournament North District School Trials 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-03-22	rnd 5	type Standard	result 1
		Opponent O`connell, G (Geordan)				Opponent Oosthuizen, E (Ethan)
2	13	Tournament Kraaifontein Open 2022				Tournament WP Closed 2022
		date 2022-01-09	rnd 5	type Standard	result 1	date 2022-06-16	rnd 6	type Standard	result 1
		Opponent Mizen, D (Daniel)				Opponent Grove, E (Emily)
3	11	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament WP Closed 2023
		date 2023-03-04	rnd 4	type Standard	result 1	date 2023-06-16	rnd 2	type Standard	result 0.5
		Opponent De Wit, M (Marnus)				Opponent Dicks, D (Drake)

#	Games	Start				End
1	17	Tournament WP Club League 2023				Tournament Western Cape HS Individuals Championship 2024
		date 2023-09-09	rnd 11	type Standard	result 1	date 2024-03-22	rnd 5	type Standard	result 1
		Opponent Masoka, L (Lwando)				Opponent Oosthuizen, E (Ethan)
2	11	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament WP Closed 2023
		date 2023-03-04	rnd 4	type Standard	result 1	date 2023-06-16	rnd 2	type Standard	result 0.5
		Opponent De Wit, M (Marnus)				Opponent Dicks, D (Drake)
3	10	Tournament Western Cape Closed Championship 2022				Tournament North District School Trials 2023
		date 2022-09-24	rnd 4	type Standard	result 1	date 2023-02-04	rnd 6	type Standard	result 1
		Opponent Smith, S (Shiloh)				Opponent Henning, C (Chris)

#	Games	Start				End
1	14	Tournament Courtrai Young Masters 2018				Tournament CWP Youth Day Rapid 2021
		date 2018-10-27	rnd 4	type Rapid	result 1	date 2021-06-16	rnd 2	type Rapid	result 1
		Opponent Fisher, D (David)				Opponent Goliath, Q (Quinn)
2	10	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-22	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 5	type Rapid	result 1
		Opponent Haman, R (Rico)				Opponent Kunnie, RM (Reilan Matteo)
3	8	Tournament CT Metro District North Top Schools Chess 2023				Tournament Chess Challengers Championship � High School 2023
		date 2023-07-29	rnd 7	type Rapid	result 1	date 2023-10-14	rnd 1	type Rapid	result 1
		Opponent Mintoor, D (Davian)				Opponent Dubbeld, B (Benjamin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	11	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-22	rnd 5	type Standard	result 1
		Opponent Gabriel, R (Romeo)				Opponent Oosthuizen, E (Ethan)
2	11	Tournament Laerskool Welgemoed 12th Annual Chess Challenge 2022				Tournament WP Closed 2022
		date 2022-02-19	rnd 1	type Rapid	result 1	date 2022-06-16	rnd 6	type Standard	result 1
		Opponent Bellini, G (Gemma)				Opponent Grove, E (Emily)
3	10	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-22	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 5	type Rapid	result 1
		Opponent Haman, R (Rico)				Opponent Kunnie, RM (Reilan Matteo)

#	Games	Start				End
1	11	Tournament Cape Town Metro Schools Chess Closed Individuals 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-22	rnd 5	type Standard	result 1
		Opponent Gabriel, R (Romeo)				Opponent Oosthuizen, E (Ethan)
2	7	Tournament Western Cape Closed Championship 2022				Tournament North District School Trials 2023
		date 2022-09-24	rnd 4	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Smith, S (Shiloh)				Opponent Van Rhyn, A (Aden)
3	6	Tournament WP Closed 2023				Tournament 2023 SA Schools Winter Games
		date 2023-06-17	rnd 4	type Standard	result 1	date 2023-07-05	rnd 3	type Standard	result 1
		Opponent Ngudle, M (Mandisi)				Opponent Mokoena, R (Reneilwe)

#	Games	Start				End
1	10	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-22	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 5	type Rapid	result 1
		Opponent Haman, R (Rico)				Opponent Kunnie, RM (Reilan Matteo)
2	8	Tournament Welgemoed Chess Challenge 2019				Tournament CWP Youth Day Rapid 2021
		date 2019-02-23	rnd 5	type Rapid	result 1	date 2021-06-16	rnd 2	type Rapid	result 1
		Opponent Solomon, D (Daniel)				Opponent Goliath, Q (Quinn)
3	7	Tournament CWP Youth Day Rapid 2021				Tournament Cape Town Junior Chess League - Round 1 2023
		date 2021-06-16	rnd 5	type Rapid	result 1	date 2023-07-22	rnd 1	type Rapid	result 1
		Opponent Van De Vyver, W (Wian)				Opponent Joubert, C (Carla Louise)

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	Solomon ,I (Izaiah)	9	4.5	0	6	3.5	70.8	3	1	-141.7	0	0	0
1	Solomon ,I (Izaiah)	9	1513.1	1513.1	6	1493.4	1583.9	3	1455.3	1371.4	0	0	0
2	Van Rhyn ,A (Aden)	5	4.5	340	5	4.5	340	0	0	0	0	0	0
2	Van Rhyn ,A (Aden)	5	1415.1	1755.1	5	1398.4	1755.1	0	0	0	0	0	0
3	Somai ,R (Ruhan)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
3	Somai ,R (Ruhan)	4	1466.2	1572.5	4	1449.6	1572.5	0	0	0	0	0	0
4	De Wit ,M (Marnus)	4	3	212.5	3	2.5	283.3	1	0.5	0	0	0	0
4	De Wit ,M (Marnus)	4	1480	1692.5	3	1452.1	1763.3	1	1363.8	1480	0	0	0
5	Henning ,C (Chris)	4	3	212.5	2	1	0	2	2	425	0	0	0
5	Henning ,C (Chris)	4	1560.3	1772.8	2	1510.4	1560.3	2	1503.6	1985.3	0	0	0
6	Goliath ,Q (Quinn)	4	3	212.5	2	1	0	2	2	425	0	0	0
6	Goliath ,Q (Quinn)	4	1146.6	1359.1	2	1008.1	1146.6	2	1006.6	1571.6	0	0	0
7	Solomon ,D (Daniel)	4	2	0	1	1	425	3	1	-141.7	0	0	0
7	Solomon ,D (Daniel)	4	1340.6	1340.6	1	1380.9	1765.6	3	1211.5	1198.9	0	0	0
8	Palmer ,J (Jesse)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
8	Palmer ,J (Jesse)	3	1497.4	1639	3	1496.9	1639	0	0	0	0	0	0
9	Dicks ,D (Drake)	3	2.5	283.3	2	1.5	212.5	1	1	425	0	0	0
9	Dicks ,D (Drake)	3	1448.1	1731.4	2	1421.8	1660.6	1	1356.9	1873.1	0	0	0
10	Vorster ,P (Paul)	3	0	-425	2	0	-425	1	0	-425	0	0	0
10	Vorster ,P (Paul)	3	1352.6	927.6	2	1428.8	927.6	1	1192.8	927.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Degueldre, J (Jean-Christian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms