Chess South Africa Ratings Database

PLAYER PAGE

Personal

Crone, C (Callan)

Chess SA id

109087219

FIDE id

Date of birth

2009-01-12 (U18)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-04-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1370.3	1366	952	800
Raw rating	1370.3	1366	952	800
Weighted rating	1370.3	1366	952	800
Weighted performance	622.9	621.6	0	0
Floor	882.9	877.1	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	130.1	130.9	236.1	293.2
Highest rating	1396.8 2020-02-01	1390.9 2020-02-01	1200 2018-02-01	1200 2018-02-01
Highest raw rating	1382.9 2020-03-01	1377.1 2020-03-01	952 2024-02-01	800 2024-02-01
Highest weighted rating	1382.9 2022-01-01	1377.1 2022-01-01	952 2024-11-01	800 2024-11-01
Highest weighted performance	1396.8 2020-02-01	1390.9 2020-02-01	1200 2018-02-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1370.3	1366	952	800
Analysis
Rating	1370.3	1366	952	800
Raw rating	1370.3	1366	952	800
Weighted rating	1370.3	1366	952
Weighted performance	622.9	621.6	0
K-factor	36	36	40	40
Floor	882.9	877.1	500	500
Max/Min rating change allowed	130.1	130.9	236.1	293.2
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	1370.3	1366	952	800
New weighted rating	1370.3	1366	952	800
New weighted performance	622.5	621.1	0	0
Temp new rating	1370.3	1366	952	800
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1370.3	1366	952	800
New K-factor	36	36	40	40
New floor	882.9	877.1	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	11	11	0	0
	0	0	0	0
History	280	250	24	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
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	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	214	129.5	60.51	89.4	1173	1262.3
Standard	195	118.5	60.77	91.5	1161.7	1253.2
Rapid	13	7.5	57.69	65.4	1323.1	1388.5
Blitz	6	3.5	58.33	70.8	1213.4	1284.2

Date	Main	Standard	Rapid	Blitz
2025-09-30	1370.3	1366	952	800
2025-09-01	1370.3	1366	952	800
2025-08-01	1370.3	1366	952	800
2025-07-01	1370.3	1366	952	800
2025-06-01	1370.3	1366	952	800
2025-05-01	1370.3	1366	952	800
2025-04-01	1370.3	1366	952	800
2025-03-01	1370.3	1366	952	800
2025-02-01	1370.3	1366	952	800
2025-01-01	1370.3	1366	952	800
2024-12-01	1370.3	1366	952	800
2024-11-01	1370.3	1366	952	800
2024-10-01	1370.3	1366	952	800
2024-09-01	1370.3	1366	952	800
2024-08-01	1370.3	1366	952	800
2024-07-01	1370.3	1366	952	800
2024-06-01	1370.3	1366	952	800
2024-08-01	1370.3	1366	952	800
2024-04-01	1370.3	1366	952	800
2024-03-01	1370.3	1366	952	800
2024-02-01	1370.3	1366	952	800
2024-01-01	1370.3	1366	952	800
2023-12-01	1370.3	1366	952	800
2023-11-01	1370.3	1366	952	800

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	2022 NMB Junior Trials 1 (U14)	2022-04-22	2022-04-23	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
2	2022 Nelson Mandela Bay Open (B)	2022-02-04	2022-02-06	Standard	Nelson Mandela Bay (ENM)	5	5	2.5	Yes	Analysis
3	2020 NMBCU Chess Trials 2 2020 (U16)	2020-03-07	2020-03-07	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
4	2020 Boardwalk Pearson Open Chess Festival (Open)	2020-03-14	2020-03-15	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
5	King Cars Pe Chess Club Grand Prix Leg 1 2020	2020-02-15	2020-02-22	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
6	Brandwag Open 2020 (A)	2020-01-31	2020-02-01	Standard	Nelson Mandela Bay (ENM)	5	5	1.5	Yes	Analysis
7	2020 NMBCU Chess Trial 1 (U16)	2020-02-08	2020-02-09	Standard	Nelson Mandela Bay (ENM)	6	5	3.5	Yes	Analysis
8	2019 Wild Card Chess Championship (U12 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
9	2019 South African Junior Team Championships (U12A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
10	Ulitmate Chess Open 2019 (Rapid B)	2019-11-30	2019-11-30	Rapid	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
11	Ulitmate Chess Open 2019 (Blitz B)	2019-11-30	2019-11-30	Blitz	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
12	PECC King Cars Grand Prix Fourth Leg 2019	2019-08-03	2019-08-03	Rapid	Nelson Mandela Bay (ENM)	7	7	3	Yes	Analysis
13	NMBYCC Closed 2019 (U12)	2019-07-26	2019-07-27	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
14	Nelson Mandela Bay Junior Trials 4 2019 (U12)	2019-07-12	2019-07-13	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
15	NMBJCU Trials 3 2019 (U12)	2019-05-10	2019-05-11	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
16	Nelson Mandela Bay Junior Chess Trials 2 2019 (U12)	2019-04-05	2019-04-06	Standard	Nelson Mandela Bay (ENM)	6	6	5.5	Yes	Analysis
17	NMBCU Trials 1 2019 (U12)	2019-03-08	2019-03-09	Standard	Nelson Mandela Bay (ENM)	5	5	5	Yes	Analysis
18	2019 Boardwalk Pearson Open (Open)	2019-03-28	2019-03-31	Standard	Nelson Mandela Bay (ENM)	9	9	4	Yes	Analysis
19	2019 South African Junior Closed Chess Championship (U10 Open)	2019-03-17	2019-03-22	Standard	Chess South Africa (CSA)	9	8	3	Yes	Analysis
20	King Cars PECC Grand Prix First Leg 2019	2019-02-02	2019-02-09	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
21	Ultimate Chess Open 2018 (B)	2018-11-30	2018-12-01	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
22	South African Junior Team Championships 2018 (U10A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
23	PE Chess Club Open 2018 (A)	2018-09-21	2018-09-23	Standard	Nelson Mandela Bay (ENM)	6	6	1.5	Yes	Analysis
24	NMBJC Closed 2018 (U10)	2018-07-27	2018-07-28	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
25	NMBJC Trials 4 2018 (U10)	2018-07-20	2018-07-21	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
26	NMB Youth Chess Trial 3 2018 (U10)	2018-05-11	2018-05-12	Standard	Nelson Mandela Bay (ENM)	6	5	3	Yes	Analysis
27	Alekhine Open Chess Tournament 2018 (B)	2018-05-04	2018-05-05	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
28	NMB Second Trials 2018 (U10)	2018-04-20	2018-04-22	Standard	Nelson Mandela Bay (ENM)	5	5	4.5	Yes	Analysis
29	2018 South African Junior Closed Chess Championships (U10 Open)	2018-04-01	2018-04-07	Standard	Chess South Africa (CSA)	11	11	6	Yes	Analysis
30	NMB First Trails 2018 (U10)	2018-03-23	2018-03-24	Standard	Nelson Mandela Bay (ENM)	6	6	6	Yes	Analysis
31	2018 Boardwalk Pearson Open (B)	2018-03-17	2018-03-18	Standard	Nelson Mandela Bay (ENM)	7	7	5	Yes	Analysis
32	Registration Tournament 2018 (B)	2018-02-23	2018-02-24	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
33	Despatch Open 2018 (A)	2018-02-16	2018-02-17	Standard	Nelson Mandela Bay (ENM)	5	4	0.5	Yes	Analysis
34	South African Junior Wildcard Championships 2017 (U10 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
35	South African Junior Team Championships 2017 (U10A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	1	Yes	Analysis

#	Games	Start				End
1	11	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament NMBJCU Trials 3 2019
		date 2019-04-05	rnd 1	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 0.5
		Opponent Barnard, L (Leandre)				Opponent Van Der Merwe, L (Lucas)
2	9	Tournament 2020 NMBCU Chess Trials 2 2020				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2020-03-07	rnd 1	type Standard	result 1	date 2020-03-15	rnd 4	type Standard	result 1
		Opponent Baartman, R (Ricarno)				Opponent Rautenbach, C (Cadyn)
3	9	Tournament 2018 Boardwalk Pearson Open				Tournament NMB First Trails 2018
		date 2018-03-18	rnd 5	type Standard	result 1	date 2018-03-24	rnd 6	type Standard	result 1
		Opponent Du Plessis, H (Hannah)				Opponent Kruger, SJ (Sarah)

#	Games	Start				End
1	11	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament NMBJCU Trials 3 2019
		date 2019-04-05	rnd 1	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 0.5
		Opponent Barnard, L (Leandre)				Opponent Van Der Merwe, L (Lucas)
2	9	Tournament 2020 NMBCU Chess Trials 2 2020				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2020-03-07	rnd 1	type Standard	result 1	date 2020-03-15	rnd 4	type Standard	result 1
		Opponent Baartman, R (Ricarno)				Opponent Rautenbach, C (Cadyn)
3	9	Tournament 2018 Boardwalk Pearson Open				Tournament NMB First Trails 2018
		date 2018-03-18	rnd 5	type Standard	result 1	date 2018-03-24	rnd 6	type Standard	result 1
		Opponent Du Plessis, H (Hannah)				Opponent Kruger, SJ (Sarah)

#	Games	Start				End
1	5	Tournament PECC King Cars Grand Prix Fourth Leg 2019				Tournament Ulitmate Chess Open 2019
		date 2019-08-03	rnd 7	type Rapid	result 1	date 2019-11-30	rnd 4	type Rapid	result 1
		Opponent Jenecker, J (Jayden)				Opponent Frosler, J (Jordan)
2	1	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 6	type Rapid	result 1	date 2019-11-30	rnd 6	type Rapid	result 1
		Opponent Van Der Merwe, S (Sarah)				Opponent Van Der Merwe, S (Sarah)
3	1	Tournament PECC King Cars Grand Prix Fourth Leg 2019				Tournament PECC King Cars Grand Prix Fourth Leg 2019
		date 2019-08-03	rnd 5	type Rapid	result 1	date 2019-08-03	rnd 5	type Rapid	result 1
		Opponent Knox, S (Steven)				Opponent Knox, S (Steven)

#	Games	Start				End
1	3	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 2	type Blitz	result 1	date 2019-11-30	rnd 4	type Blitz	result 0.5
		Opponent Swartbooi, K (Khanya)				Opponent Green, S (Shevandre)
2	1	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 6	type Blitz	result 1	date 2019-11-30	rnd 6	type Blitz	result 1
		Opponent Ramaele, LL (Lerato)				Opponent Ramaele, LL (Lerato)

#	Games	Start				End
1	9	Tournament 2018 Boardwalk Pearson Open				Tournament NMB First Trails 2018
		date 2018-03-18	rnd 5	type Standard	result 1	date 2018-03-24	rnd 6	type Standard	result 1
		Opponent Du Plessis, H (Hannah)				Opponent Kruger, SJ (Sarah)
2	5	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament Nelson Mandela Bay Junior Chess Trials 2 2019
		date 2019-04-05	rnd 1	type Standard	result 1	date 2019-04-06	rnd 5	type Standard	result 1
		Opponent Barnard, L (Leandre)				Opponent Naidoo, KP (Keenan)
3	5	Tournament NMBCU Trials 1 2019				Tournament NMBCU Trials 1 2019
		date 2019-03-08	rnd 1	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Williams, L (Leerah)				Opponent Kruger, SJ (Sarah)

#	Games	Start				End
1	9	Tournament 2018 Boardwalk Pearson Open				Tournament NMB First Trails 2018
		date 2018-03-18	rnd 5	type Standard	result 1	date 2018-03-24	rnd 6	type Standard	result 1
		Opponent Du Plessis, H (Hannah)				Opponent Kruger, SJ (Sarah)
2	5	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament Nelson Mandela Bay Junior Chess Trials 2 2019
		date 2019-04-05	rnd 1	type Standard	result 1	date 2019-04-06	rnd 5	type Standard	result 1
		Opponent Barnard, L (Leandre)				Opponent Naidoo, KP (Keenan)
3	5	Tournament NMBCU Trials 1 2019				Tournament NMBCU Trials 1 2019
		date 2019-03-08	rnd 1	type Standard	result 1	date 2019-03-09	rnd 5	type Standard	result 1
		Opponent Williams, L (Leerah)				Opponent Kruger, SJ (Sarah)

#	Games	Start				End
1	3	Tournament PECC King Cars Grand Prix Fourth Leg 2019				Tournament Ulitmate Chess Open 2019
		date 2019-08-03	rnd 7	type Rapid	result 1	date 2019-11-30	rnd 2	type Rapid	result 1
		Opponent Jenecker, J (Jayden)				Opponent Holroyd, K (Kea)
2	1	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 6	type Rapid	result 1	date 2019-11-30	rnd 6	type Rapid	result 1
		Opponent Van Der Merwe, S (Sarah)				Opponent Van Der Merwe, S (Sarah)
3	1	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 4	type Rapid	result 1	date 2019-11-30	rnd 4	type Rapid	result 1
		Opponent Frosler, J (Jordan)				Opponent Frosler, J (Jordan)

#	Games	Start				End
1	2	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 2	type Blitz	result 1	date 2019-11-30	rnd 3	type Blitz	result 1
		Opponent Swartbooi, K (Khanya)				Opponent Williams, CL (Cleveland)
2	1	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 6	type Blitz	result 1	date 2019-11-30	rnd 6	type Blitz	result 1
		Opponent Ramaele, LL (Lerato)				Opponent Ramaele, LL (Lerato)

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	Peter ,N (Noah)	8	3	-106.2	7	2	-182.1	1	1	425	0	0	0
1	Peter ,N (Noah)	8	1292.6	1186.3	7	1269.6	1110.4	1	1086.7	1717.6	0	0	0
2	Van Der Merwe ,S (Sarah)	7	4	60.7	6	3	0	1	1	425	0	0	0
2	Van Der Merwe ,S (Sarah)	7	1124	1184.7	6	1082.3	1124	1	624	1549	0	0	0
3	Kivido ,Z (Zach)	4	2.5	106.2	4	2.5	106.2	0	0	0	0	0	0
3	Kivido ,Z (Zach)	4	1161.9	1268.2	4	1168.2	1268.2	0	0	0	0	0	0
4	Baboo ,MS (Muhammad Saeed)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
4	Baboo ,MS (Muhammad Saeed)	4	1042.8	1255.3	4	1032.7	1255.3	0	0	0	0	0	0
5	Freeman ,N (Nicole)	4	4	425	4	4	425	0	0	0	0	0	0
5	Freeman ,N (Nicole)	4	1125.5	1550.5	4	1115.2	1550.5	0	0	0	0	0	0
6	Muller ,K (Kaden)	4	0.5	-318.8	2	0.5	-212.5	1	0	-425	1	0	-425
6	Muller ,K (Kaden)	4	1210.8	892	2	1110.1	998.3	1	574.7	785.8	1	698.7	785.8
7	Mafuya ,X (Xabiso)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
7	Mafuya ,X (Xabiso)	3	1196.7	1480	3	1140.3	1480	0	0	0	0	0	0
8	Pienaar ,K (Keane)	3	3	425	3	3	425	0	0	0	0	0	0
8	Pienaar ,K (Keane)	3	878.8	1303.8	3	836.1	1303.8	0	0	0	0	0	0
9	Van Der Merwe ,L (Lucas)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
9	Van Der Merwe ,L (Lucas)	3	1116.5	1258.2	3	1116.8	1258.2	0	0	0	0	0	0
10	Le Roux ,JC (Jean Charles)	3	3	425	3	3	425	0	0	0	0	0	0
10	Le Roux ,JC (Jean Charles)	3	1029	1454	3	1032.6	1454	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Crone, C (Callan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms