Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ryan, D (Declan)

Chess SA id

1110138263

FIDE id

Date of birth

2011-06-04 (U16)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-12-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1484.5	1497.4	1214.6	1244.8
Raw rating	1484.5	1497.4	1214.6	1244.8
Weighted rating	1470	1481.9	1212.2	1244.8
Weighted performance	1357.4	1358.9	0	0
Floor	984.5	997.4	739.6	744.8
K-factor	32	32	36	36
Min/Max rating change allowed	110.6	108.5	162.4	155.6
Highest rating	1484.5 2025-01-01	1497.4 2025-01-01	1362.1 2023-02-01	1375.5 2023-07-01
Highest raw rating	1484.5 2025-01-01	1497.4 2025-01-01	1239.6 2024-02-01	1244.8 2024-02-01
Highest weighted rating	1465.1 2025-08-01	1476.2 2025-08-01	1239.6 2024-02-01	1244.8 2025-06-01
Highest weighted performance	1457.2 2025-01-01	1457.2 2025-01-01	1362.1 2023-02-01	1375.5 2023-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1484.5	1497.4	1214.6	1244.8
Analysis
Rating	1484.5	1497.4	1214.6	1244.8
Raw rating	1484.5	1497.4	1214.6	1244.8
Weighted rating	1470	1481.9	1212.2
Weighted performance	1357.4	1358.9	0
K-factor	32	32	36	36
Floor	984.5	997.4	739.6	744.8
Max/Min rating change allowed	110.6	108.5	162.4	155.6
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	1484.5	1497.4	1214.6	1244.8
New weighted rating	1472.3	1484.4	1212.2	1244.8
New weighted performance	1356.9	1358.4	0	0
Temp new rating	1484.5	1497.4	1214.6	1244.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1484.5	1497.4	1214.6	1244.8
New K-factor	32	32	36	36
New floor	984.5	997.4	739.6	744.8

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	42	37	5	0
	36	24	5	7
	40	40	0	0
	0	0	0	0
History	118	101	10	7

Games since
	Main 42	Standard 37		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1375		471		164
Male	1175		394		141
U16	177		51		17
U16 Male	142		38		13
Standard
	RSA		Province		Region
Overall	1195		441		150
Male	1020		371		127
U16	160		49		17
U16 Male	128		37		13
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	118	72.5	61.44	97.2	1315.6	1412.8
Standard	101	63	62.38	105.2	1312.5	1417.7
Rapid	10	5.5	55	42.5	1334.7	1377.2
Blitz	7	4	57.14	60.7	1333.1	1393.8

Date	Main	Standard	Rapid	Blitz
2025-09-30	1484.5	1497.4	1214.6	1244.8
2025-09-01	1484.5	1497.4	1214.6	1244.8
2025-08-01	1484.5	1497.4	1214.6	1244.8
2025-07-01	1484.5	1497.4	1214.6	1244.8
2025-06-01	1484.5	1497.4	1214.6	1244.8
2025-05-01	1484.5	1497.4	1214.6	1244.8
2025-04-01	1484.5	1497.4	1214.6	1244.8
2025-03-01	1484.5	1497.4	1214.6	1244.8
2025-02-01	1484.5	1497.4	1214.6	1244.8
2025-01-01	1484.5	1497.4	1205.8	1244.8
2024-12-01	1471	1485.2	1205.8	1244.8
2024-11-01	1471	1485.2	1205.8	1244.8
2024-10-01	1471	1485.2	1205.8	1244.8
2024-09-01	1450.3	1461.8	1205.8	1244.8
2024-08-01	1428.8	1435.9	1205.8	1244.8
2024-07-01	1391.6	1390.1	1205.8	1244.8
2024-06-01	1429	1443.5	1205.8	1244.8
2024-08-01	1429	1443.5	1205.8	1244.8
2024-04-01	1429	1443.5	1205.8	1244.8
2024-03-01	1412.8	1423.7	1205.8	1244.8
2024-02-01	1428	1423.7	1239.6	1244.8
2024-01-01	1436.1	1429.5	1239.6	1244.8
2023-12-01	1436.1	1429.5	1239.6	1244.8
2023-11-01	1436.1	1429.5	1239.6	1244.8

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	Gauteng Inter-Region at UJ 2024 (U14 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
2	Gauteng Schools Individuals Finals 2024 (U13 Boys)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
3	JMC Closed 2024 (C)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	0	0	No	Analysis
4	Fourth Knight Riders Juniors Open Chess Tournament 204 (C)	2024-08-03	2024-08-03	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
5	JMC Trinityhouse Randpark Ridge 2024 (C)	2024-07-13	2024-07-13	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
6	Second Knight Riders Juniors Open Chess Tournament 2024 (A+B)	2024-06-08	2024-06-08	Standard	Johannesburg Metro (GJM)	5	3	0	Yes	Analysis
7	JMC Trinityhouse Little Falls 2024 (C)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
8	1st Knights Open Tournament 2024 (B)	2024-03-23	2024-03-23	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
9	Gear Up Mzansi Rapid 2024 (Advanced)	2024-02-17	2024-02-17	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
10	2024 Gauteng Inter-Region Chess Championship (U14A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
11	JMC Closed Aug 2023 (U14)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	5	4	Yes	Analysis
12	JMC Trinity Little Falls 2023 (C)	2023-07-02	2023-07-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
13	JMC - The Higher Ground Restaurant 2nd Blitz Event 2023	2023-07-30	2023-07-30	Blitz	Johannesburg Metro (GJM)	7	7	4	Yes	Analysis
14	JNW Open - Trinityhouse Little Falls 2023 (B)	2023-06-24	2023-06-24	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
15	Gauteng Schools Individual Finals 2023 (U13 Boys)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
16	JNW Open - Crawford 2023 (B)	2023-03-04	2023-03-04	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
17	Mzansi Rapid 2023 (Intermediate)	2023-02-04	2023-02-04	Rapid	Johannesburg Metro (GJM)	6	5	3.5	Yes	Analysis
18	JMC 3rd Trials 2022 (C)	2022-09-11	2022-09-11	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
19	JMC Womens Day 2022 (C)	2022-08-06	2022-08-07	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
20	JMC 2nd Trials 2022 (C)	2022-08-27	2022-08-27	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
21	2022 Gauteng Schools Team Championships (U11 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
22	2022 Jacaranda Round Robin (W)	2022-07-30	2022-07-30	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
23	JMC Trials 1 - Laerskool Fontainebleau 2022 (U12)	2022-07-24	2022-07-24	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
24	2022 Gauteng Schools Individual Chess Championship (U11 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
25	JNW Trinityhouse LF 2022 (Contenders)	2022-03-12	2022-03-12	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis

#	Games	Start				End
1	11	Tournament JMC Trinityhouse Randpark Ridge 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-07-13	rnd 1	type Standard	result 0.5	date 2024-08-16	rnd 1	type Standard	result 1
		Opponent Sukraj, T (Tivaar)				Opponent Ahmed, Z (Zakaria)
2	8	Tournament JNW Open - Crawford 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-03-04	rnd 3	type Standard	result 1	date 2023-05-26	rnd 5	type Standard	result 1
		Opponent Bazhko, A (Anton)				Opponent Mnguni, S (Sanele)
3	7	Tournament JMC Trials 1 - Laerskool Fontainebleau 2022				Tournament 2022 Jacaranda Round Robin
		date 2022-07-24	rnd 4	type Standard	result 1	date 2022-07-30	rnd 5	type Standard	result 1
		Opponent Horne, K (Kian Louis)				Opponent Van Wyk, L (Louis)

#	Games	Start				End
1	11	Tournament JMC Trinityhouse Randpark Ridge 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-07-13	rnd 1	type Standard	result 0.5	date 2024-08-16	rnd 1	type Standard	result 1
		Opponent Sukraj, T (Tivaar)				Opponent Ahmed, Z (Zakaria)
2	8	Tournament JNW Open - Crawford 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-03-04	rnd 3	type Standard	result 1	date 2023-05-26	rnd 5	type Standard	result 1
		Opponent Bazhko, A (Anton)				Opponent Mnguni, S (Sanele)
3	7	Tournament JMC Trials 1 - Laerskool Fontainebleau 2022				Tournament 2022 Jacaranda Round Robin
		date 2022-07-24	rnd 4	type Standard	result 1	date 2022-07-30	rnd 5	type Standard	result 1
		Opponent Horne, K (Kian Louis)				Opponent Van Wyk, L (Louis)

#	Games	Start				End
1	4	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 6	type Rapid	result 1
		Opponent Sluzki, J (Jeffrey)				Opponent Thorulsley, K (Kairaav)
2	2	Tournament Gear Up Mzansi Rapid 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-02-17	rnd 2	type Rapid	result 1	date 2024-02-17	rnd 3	type Rapid	result 1
		Opponent Gupta, A (Akul)				Opponent Roux, P (Paul)

#	Games	Start				End
1	3	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 5	type Blitz	result 1	date 2023-07-30	rnd 7	type Blitz	result 1
		Opponent Nathan, A (Amira)				Opponent Stelloh, S (Sebastian)
2	1	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 1	type Blitz	result 1	date 2023-07-30	rnd 1	type Blitz	result 1
		Opponent Vermaak, C (Cameron)				Opponent Vermaak, C (Cameron)

#	Games	Start				End
1	7	Tournament JMC Trials 1 - Laerskool Fontainebleau 2022				Tournament 2022 Jacaranda Round Robin
		date 2022-07-24	rnd 4	type Standard	result 1	date 2022-07-30	rnd 5	type Standard	result 1
		Opponent Horne, K (Kian Louis)				Opponent Van Wyk, L (Louis)
2	6	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-16	rnd 3	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 1
		Opponent Sefafe, P (Poloko)				Opponent Bijker, X (Xander)
3	6	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC Closed Aug 2023
		date 2023-07-30	rnd 5	type Blitz	result 1	date 2023-08-06	rnd 4	type Standard	result 1
		Opponent Nathan, A (Amira)				Opponent Akker, D (Dylan)

#	Games	Start				End
1	7	Tournament JMC Trials 1 - Laerskool Fontainebleau 2022				Tournament 2022 Jacaranda Round Robin
		date 2022-07-24	rnd 4	type Standard	result 1	date 2022-07-30	rnd 5	type Standard	result 1
		Opponent Horne, K (Kian Louis)				Opponent Van Wyk, L (Louis)
2	6	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-08-16	rnd 3	type Standard	result 1	date 2024-12-07	rnd 3	type Standard	result 1
		Opponent Sefafe, P (Poloko)				Opponent Bijker, X (Xander)
3	6	Tournament JNW Open - Crawford 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-03-04	rnd 3	type Standard	result 1	date 2023-05-26	rnd 3	type Standard	result 1
		Opponent Bazhko, A (Anton)				Opponent Claassen, N (Nicolaas)

#	Games	Start				End
1	2	Tournament Gear Up Mzansi Rapid 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-02-17	rnd 2	type Rapid	result 1	date 2024-02-17	rnd 3	type Rapid	result 1
		Opponent Gupta, A (Akul)				Opponent Roux, P (Paul)
2	2	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 2	type Rapid	result 1	date 2023-02-04	rnd 3	type Rapid	result 1
		Opponent Sluzki, J (Jeffrey)				Opponent Maritz, L (Luke)
3	1	Tournament Mzansi Rapid 2023				Tournament Mzansi Rapid 2023
		date 2023-02-04	rnd 6	type Rapid	result 1	date 2023-02-04	rnd 6	type Rapid	result 1
		Opponent Thorulsley, K (Kairaav)				Opponent Thorulsley, K (Kairaav)

#	Games	Start				End
1	3	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 5	type Blitz	result 1	date 2023-07-30	rnd 7	type Blitz	result 1
		Opponent Nathan, A (Amira)				Opponent Stelloh, S (Sebastian)
2	1	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 1	type Blitz	result 1	date 2023-07-30	rnd 1	type Blitz	result 1
		Opponent Vermaak, C (Cameron)				Opponent Vermaak, C (Cameron)

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	Habangana ,B (Bushe)	3	1.5	0	2	1	0	1	0.5	0	0	0	0
1	Habangana ,B (Bushe)	3	1322.5	1322.5	2	1302.5	1322.5	1	1224.4	1322.5	0	0	0
2	Retief ,A (Antonie)	2	1	0	2	1	0	0	0	0	0	0	0
2	Retief ,A (Antonie)	2	1298.5	1298.5	2	1294.3	1298.5	0	0	0	0	0	0
3	Mesele ,O (Oboitshepo)	2	1	0	2	1	0	0	0	0	0	0	0
3	Mesele ,O (Oboitshepo)	2	1293.8	1293.8	2	1297	1293.8	0	0	0	0	0	0
4	Bazhko ,A (Anton)	2	1	0	2	1	0	0	0	0	0	0	0
4	Bazhko ,A (Anton)	2	1411.3	1411.3	2	1399.3	1411.3	0	0	0	0	0	0
5	Combrink ,J (Juan-Louis)	2	1	0	2	1	0	0	0	0	0	0	0
5	Combrink ,J (Juan-Louis)	2	1546.2	1546.2	2	1493.8	1546.2	0	0	0	0	0	0
6	Froom ,J (Jacob)	2	1	0	2	1	0	0	0	0	0	0	0
6	Froom ,J (Jacob)	2	1153.8	1153.8	2	1157.1	1153.8	0	0	0	0	0	0
7	Liang ,YX (Yi-Xuan (Bowie))	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Liang ,YX (Yi-Xuan (Bowie))	2	1372	947	2	1361.7	947	0	0	0	0	0	0
8	Chen ,Y (Youlin)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Chen ,Y (Youlin)	2	1451.6	1239.1	2	1446.2	1239.1	0	0	0	0	0	0
9	D`Alton ,E (Ezra)	2	2	425	2	2	425	0	0	0	0	0	0
9	D`Alton ,E (Ezra)	2	1341.2	1766.2	2	1335.8	1766.2	0	0	0	0	0	0
10	Bloem ,J (James)	2	1	0	2	1	0	0	0	0	0	0	0
10	Bloem ,J (James)	2	1349	1349	2	1345.4	1349	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ryan, D (Declan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms