Chess South Africa Ratings Database

PLAYER PAGE

Personal

Fibiger, JN (Jethro Nathanael)

Chess SA id

102009443

FIDE id

Date of birth

2002-06-24 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-03-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1530	1530	1369.2	1369.2
Raw rating	1530	1530	1369.2	1369.2
Weighted rating	1529.6	1529.6	1369.2	1369.2
Weighted performance	259.6	260.1	0	0
Floor	1030	1030	869.2	869.2
K-factor	32	32	36	36
Min/Max rating change allowed	103.6	103.6	130.3	130.3
Highest rating	1544.3 2018-03-01	1545.3 2018-03-01	1369.2 2024-03-01	1369.2 2024-03-01
Highest raw rating	1530 2024-03-01	1530 2024-03-01	1369.2 2024-03-01	1369.2 2024-03-01
Highest weighted rating	1528.7 2025-08-01	1528.7 2025-08-01	1369.2 2024-03-01	1369.2 2024-03-01
Highest weighted performance	1544.3 2018-03-01	1545.3 2018-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1530	1530	1369.2	1369.2
Analysis
Rating	1530	1530	1369.2	1369.2
Raw rating	1530	1530	1369.2	1369.2
Weighted rating	1529.6	1529.6	1369.2
Weighted performance	259.6	260.1	0
K-factor	32	32	36	36
Floor	1030	1030	869.2	869.2
Max/Min rating change allowed	103.6	103.6	130.3	130.3
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	1530	1530	1369.2	1369.2
New weighted rating	1529.9	1529.9	1369.2	1369.2
New weighted performance	259.1	259.6	0	0
Temp new rating	1530	1530	1369.2	1369.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1530	1530	1369.2	1369.2
New K-factor	32	32	36	36
New floor	1030	1030	869.2	869.2

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	701	626	68	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	114	65.5	57.46	63.4	1417.6	1481
Standard	114	65.5	57.46	63.4	1417.6	1481
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1530	1530	1369.2	1369.2
2025-09-01	1530	1530	1369.2	1369.2
2025-08-01	1530	1530	1369.2	1369.2
2025-07-01	1530	1530	1369.2	1369.2
2025-06-01	1530	1530	1369.2	1369.2
2025-05-01	1530	1530	1369.2	1369.2
2025-04-01	1530	1530	1369.2	1369.2
2025-03-01	1530	1530	1369.2	1369.2
2025-02-01	1530	1530	1369.2	1369.2
2025-01-01	1530	1530	1369.2	1369.2
2024-12-01	1530	1530	1369.2	1369.2
2024-11-01	1530	1530	1369.2	1369.2
2024-10-01	1530	1530	1369.2	1369.2
2024-09-01	1530	1530	1369.2	1369.2
2024-08-01	1530	1530	1369.2	1369.2
2024-07-01	1530	1530	1369.2	1369.2
2024-06-01	1530	1530	1369.2	1369.2
2024-08-01	1530	1530	1369.2	1369.2
2024-04-01	1530	1530	1369.2	1369.2
2024-03-01	1530	1530	1369.2	1369.2
2024-02-01	1530	1530	1369.2	1369.2
2024-01-01	1530	1530	1369.2	1369.2
2023-12-01	1491.9	1491.2	1369.2	1369.2
2023-11-01	1491.9	1491.2	1369.2	1369.2

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	NMBCU Trials 1 2019 (U18+U20)	2019-03-08	2019-03-09	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
2	2019 South African Junior Closed Chess Championship (U18 Open)	2019-03-17	2019-03-22	Standard	Chess South Africa (CSA)	9	9	3.5	Yes	Analysis
3	King Cars PECC Grand Prix First Leg 2019	2019-02-02	2019-02-09	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
4	2018 Wild Card Chess Championships (U18 Open)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
5	South African Junior Team Championships 2018 (U18A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
6	PE Chess Club Open 2018 (A)	2018-09-21	2018-09-23	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
7	PECC Club Championships 2018 (B)	2018-07-26	2018-08-30	Standard	Nelson Mandela Bay (ENM)	5	3	2	Yes	Analysis
8	South African Open 2018 (A)	2018-07-07	2018-07-14	Standard	Mangaung (FMB)	11	11	4.5	Yes	Analysis
9	NMBJC Closed 2018 (U18+U20)	2018-07-27	2018-07-28	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
10	NMBJC Trials 4 2018 (U18+U20)	2018-07-20	2018-07-21	Standard	Nelson Mandela Bay (ENM)	5	4	3	Yes	Analysis
11	2018 South African Junior Closed Chess Championships (U16 Open)	2018-04-01	2018-04-07	Standard	Chess South Africa (CSA)	11	11	4.5	Yes	Analysis
12	PECC - Springbok Cup 2018	2018-02-15	2018-03-22	Standard	Nelson Mandela Bay (ENM)	5	4	3.5	Yes	Analysis
13	NMB First Trails 2018 (U18+U20)	2018-03-23	2018-03-24	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
14	King Cars PECC Grand Prix First Leg 2018	2018-03-03	2018-03-10	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
15	2018 Boardwalk Pearson Open (A)	2018-03-16	2018-03-18	Standard	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
16	Despatch Open 2018 (A)	2018-02-16	2018-02-17	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
17	South African Junior Wildcard Championships 2017 (U16 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
18	South African Junior Team Championships 2017 (U16A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis

#	Games	Start				End
1	10	Tournament South African Open 2018				Tournament NMBJC Closed 2018
		date 2018-07-13	rnd 10	type Standard	result 1	date 2018-07-28	rnd 3	type Standard	result 1
		Opponent Botsane, MS (Malefane)				Opponent Riordan, SA (Simon)
2	6	Tournament NMB First Trails 2018				Tournament 2018 South African Junior Closed Chess Championships
		date 2018-03-23	rnd 2	type Standard	result 1	date 2018-04-01	rnd 1	type Standard	result 0.5
		Opponent Van Der Merwe, D (Dillen)				Opponent Louw, C (Carlo)
3	5	Tournament King Cars PECC Grand Prix First Leg 2019				Tournament NMBCU Trials 1 2019
		date 2019-02-09	rnd 6	type Standard	result 1	date 2019-03-09	rnd 4	type Standard	result 0.5
		Opponent Coetzer, Q (Quinn)				Opponent Banks, DA (Delano)

#	Games	Start				End
1	10	Tournament South African Open 2018				Tournament NMBJC Closed 2018
		date 2018-07-13	rnd 10	type Standard	result 1	date 2018-07-28	rnd 3	type Standard	result 1
		Opponent Botsane, MS (Malefane)				Opponent Riordan, SA (Simon)
2	6	Tournament NMB First Trails 2018				Tournament 2018 South African Junior Closed Chess Championships
		date 2018-03-23	rnd 2	type Standard	result 1	date 2018-04-01	rnd 1	type Standard	result 0.5
		Opponent Van Der Merwe, D (Dillen)				Opponent Louw, C (Carlo)
3	5	Tournament King Cars PECC Grand Prix First Leg 2019				Tournament NMBCU Trials 1 2019
		date 2019-02-09	rnd 6	type Standard	result 1	date 2019-03-09	rnd 4	type Standard	result 0.5
		Opponent Coetzer, Q (Quinn)				Opponent Banks, DA (Delano)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Despatch Open 2018				Tournament King Cars PECC Grand Prix First Leg 2018
		date 2018-02-17	rnd 4	type Standard	result 1	date 2018-03-03	rnd 2	type Standard	result 1
		Opponent Freeman, V (Vianco)				Opponent Stambull, RF (Ricardo)
2	4	Tournament King Cars PECC Grand Prix First Leg 2019				Tournament NMBCU Trials 1 2019
		date 2019-02-09	rnd 6	type Standard	result 1	date 2019-03-09	rnd 3	type Standard	result 1
		Opponent Coetzer, Q (Quinn)				Opponent Michaels, CJ (Carla)
3	3	Tournament 2019 South African Junior Closed Chess Championship				Tournament 2019 South African Junior Closed Chess Championship
		date 2019-03-18	rnd 3	type Standard	result 1	date 2019-03-19	rnd 5	type Standard	result 1
		Opponent Maharaj, K (Kiashen)				Opponent Lee, J (Joel)

#	Games	Start				End
1	5	Tournament Despatch Open 2018				Tournament King Cars PECC Grand Prix First Leg 2018
		date 2018-02-17	rnd 4	type Standard	result 1	date 2018-03-03	rnd 2	type Standard	result 1
		Opponent Freeman, V (Vianco)				Opponent Stambull, RF (Ricardo)
2	4	Tournament King Cars PECC Grand Prix First Leg 2019				Tournament NMBCU Trials 1 2019
		date 2019-02-09	rnd 6	type Standard	result 1	date 2019-03-09	rnd 3	type Standard	result 1
		Opponent Coetzer, Q (Quinn)				Opponent Michaels, CJ (Carla)
3	3	Tournament 2019 South African Junior Closed Chess Championship				Tournament 2019 South African Junior Closed Chess Championship
		date 2019-03-18	rnd 3	type Standard	result 1	date 2019-03-19	rnd 5	type Standard	result 1
		Opponent Maharaj, K (Kiashen)				Opponent Lee, J (Joel)

No games found.

#	Games	Start				End

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	Nasilowski ,R (Rinus)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
1	Nasilowski ,R (Rinus)	4	1684.7	1472.2	4	1683.8	1472.2	0	0	0	0	0	0
2	Nevin ,TW (Tyler William)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Nevin ,TW (Tyler William)	3	1485.4	1627.1	3	1495.5	1627.1	0	0	0	0	0	0
3	Banks ,DA (Delano Arthur)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Banks ,DA (Delano Arthur)	3	1387.1	1528.7	3	1399.6	1528.7	0	0	0	0	0	0
4	Van Der Merwe ,D (Dillen)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
4	Van Der Merwe ,D (Dillen)	3	1134.3	1417.6	3	1130	1417.6	0	0	0	0	0	0
5	Cruywagen ,A (Armand)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Cruywagen ,A (Armand)	3	1439.3	1297.6	3	1438.4	1297.6	0	0	0	0	0	0
6	Felix ,E (Ethon)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Felix ,E (Ethon)	2	1624.3	1836.8	2	1625.1	1836.8	0	0	0	0	0	0
7	Millard ,C (Chad)	2	1	0	2	1	0	0	0	0	0	0	0
7	Millard ,C (Chad)	2	1593.8	1593.8	2	1593.1	1593.8	0	0	0	0	0	0
8	Cox ,T (Teresa)	2	2	425	2	2	425	0	0	0	0	0	0
8	Cox ,T (Teresa)	2	1292.3	1717.3	2	1304.8	1717.3	0	0	0	0	0	0
9	Bain ,J (Jonathan)	2	1	0	2	1	0	0	0	0	0	0	0
9	Bain ,J (Jonathan)	2	1184.3	1184.3	2	1189.9	1184.3	0	0	0	0	0	0
10	Riordan ,SA (Simon Alexander)	2	1	0	2	1	0	0	0	0	0	0	0
10	Riordan ,SA (Simon Alexander)	2	1219.1	1219.1	2	1224.8	1219.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Fibiger, JN (Jethro Nathanael)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms