Chess South Africa Ratings Database

PLAYER PAGE

Personal

Johnson, C (Christiano)

Chess SA id

1140303161

FIDE id

Date of birth

2014-02-18 (U14)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-11-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1386	1292.1	1432.8	1200
Raw rating	1386	1292.1	1432.8	1200
Weighted rating	1320.6	1249.9	1353	1200
Weighted performance	1340.1	1245.2	1410.1	0
Floor	886	800.7	932.8	700
K-factor	36	36	32	36
Min/Max rating change allowed	127.2	145.4	119	165.8
Highest rating	1386 2025-11-30	1300.7 2025-09-01	1432.8 2025-11-30	1200 2024-06-01
Highest raw rating	1386 2025-11-30	1300.7 2025-09-01	1432.8 2025-11-30	1200 2024-06-01
Highest weighted rating	1337.2 2024-09-01	1264.8 2024-11-01	1343.8 2024-10-01	1200 2024-06-01
Highest weighted performance	1360.9 2025-09-01	1293.4 2024-08-01	1426.8 2025-11-30	1200 2024-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1386	1292.1	1432.8	1200
Analysis
Rating	1386	1292.1	1432.8	1200
Raw rating	1386	1292.1	1432.8	1200
Weighted rating	1320.6	1249.9	1353
Weighted performance	1340.1	1245.2	1410.1
K-factor	36	36	32	36
Floor	886	800.7	932.8	700
Max/Min rating change allowed	127.2	145.4	119	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	1386	1292.1	1432.8	1200
New weighted rating	1328.6	1254.9	1362.4	1200
New weighted performance	1331	1236.6	1400.2	0
Temp new rating	1386	1292.1	1432.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1386	1292.1	1432.8	1200
New K-factor	36	36	32	36
New floor	886	800.7	932.8	700

Item	Main	Standard	Rapid
	0	0	0
	41	27	14
	40	15	25
	0	0	0
	0	0	0
	0	0	0
History	81	42	39

Games since
	Main 81	Standard 42		Rapid 39		Blitz 0
Gender	Male
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2354		722		60
Male	1908		564		46
U12	315		101		4
U12 Male	228		71		2
Standard
	RSA		Province		Region
Overall	3250		928		46
Male	2540		671		30
U12	480		141		3
U12 Male	348		93		2
Rapid
	RSA		Province		Region
Overall	403		196		40
Male	355		173		31
U12	49		27		5
U12 Male	42		23		3
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	41	26.5	64.63	124.4	1309.4	1433.8
Standard	27	15	55.56	47.2	1326.8	1374
Rapid	14	11.5	82.14	273.2	1275.9	1549.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	81	47	58.02	68.2	1286.3	1354.6
Standard	42	20.5	48.81	-10.1	1329.6	1319.5
Rapid	39	26.5	67.95	152.6	1239.8	1392.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1386	1292.1	1432.8	1200
2025-11-30	1386	1292.1	1432.8	1200
2025-11-01	1364.9	1292.1	1397.6	1200
2025-09-30	1364.9	1292.1	1397.6	1200
2025-09-01	1376.2	1300.7	1397.6	1200
2025-08-01	1362.2	1264.7	1397.6	1200
2025-07-01	1336.8	1264.7	1343.8	1200
2025-06-01	1336.8	1264.7	1343.8	1200
2025-05-01	1337.2	1264.8	1343.8	1200
2025-04-01	1337.2	1264.8	1343.8	1200
2025-03-01	1278.3	1194.2	1343.8	1200
2025-02-01	1240.5	1193.8	1287.3	1200
2025-01-01	1240.5	1185.8	1287.3	1200
2024-12-01	1240.5	1185.8	1287.3	1200
2024-11-01	1240.9	1185.8	1293.8	1200
2024-10-01	1240.9	1185.8	1293.8	1200
2024-09-01	1268	1220.4	1288.4	1200
2024-11-01	1245.6	1186.4	1288.4	1200
2024-07-01	1245.6	1186.4	1288.4	1200
2024-06-01	1246.1	1186.4	1295.6	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200

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	West Coast Schools Chess Grand Challenge League 2025 (PS Super)	2025-11-08	2025-11-08	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
2	Rooibos Open 2025 (Junior)	2025-08-30	2025-08-30	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
3	Western Cape Women�s Championship 2025 (U12)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
4	Upper West Coast Top Schools 2025 (U11)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
5	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
6	West Coast And Mykonos Open 2025 (U12)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
7	West Coast Schools Chess Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	5	Yes	Analysis
8	Upper West Coast Presrige 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	4	4	Yes	Analysis
9	West Coast Grand Challange League 2024 (PS Champions)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
10	Western Cape Top Schools Championship 2024 (U11 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	1	Yes	Analysis
11	The Rooibos Open 2024 (C)	2024-08-24	2024-08-24	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
12	Pedro Booyse Top Schools Championships 2024 (U11)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	5	4	2.5	Yes	Analysis
13	Lambertsbay Youth Open 2024 (Elite)	2024-06-17	2024-06-17	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
14	Bo-Weskus Skole Skaak Top Skole 2024 (O9+O11)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
15	West Coast & Mykonos Open 2024 (U12)	2024-05-18	2024-05-18	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
16	Lambersbaai Open 2024 (B)	2024-05-01	2024-05-01	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis

#	Games	Start				End
1	9	Tournament Upper West Coast Presrige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Fielies, B (Bernando)				Opponent Titus, M (Michael John)
2	6	Tournament Upper West Coast Top Schools 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-06-14	rnd 2	type Rapid	result 1	date 2025-08-09	rnd 2	type Standard	result 1
		Opponent Arendse, H (Haygen)				Opponent Beukes, B (Benjamin)
3	3	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2024-10-26	rnd 4	type Rapid	result 1
		Opponent Blaauw, C (Charne)				Opponent Nemuru, E (Eric)

#	Games	Start				End
1	5	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Fisher, S (Seanen)				Opponent Titus, M (Michael John)
2	3	Tournament West Coast & Mykonos Open 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-07-20	rnd 2	type Standard	result 1
		Opponent Horse, T (Tihano)				Opponent Valtyn, A (Adan)
3	2	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 4	type Standard	result 1	date 2025-08-30	rnd 5	type Standard	result 1
		Opponent De Wee, G (Gregley)				Opponent Vermeulen, P (Peigh-Lene)

#	Games	Start				End
1	4	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 2	type Rapid	result 1	date 2025-06-14	rnd 5	type Rapid	result 1
		Opponent Arendse, H (Haygen)				Opponent Slimmert, E (Eadino)
2	4	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Fielies, B (Bernando)				Opponent Titus, M (Michael John)
3	3	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2024-10-26	rnd 4	type Rapid	result 1
		Opponent Blaauw, C (Charne)				Opponent Nemuru, E (Eric)

No games found.

#	Games	Start				End

#	Games	Start				End
1	9	Tournament Upper West Coast Presrige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Fielies, B (Bernando)				Opponent Titus, M (Michael John)
2	6	Tournament Upper West Coast Top Schools 2025				Tournament Western Cape Women�s Championship 2025
		date 2025-06-14	rnd 2	type Rapid	result 1	date 2025-08-09	rnd 2	type Standard	result 1
		Opponent Arendse, H (Haygen)				Opponent Beukes, B (Benjamin)
3	3	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2024-10-26	rnd 4	type Rapid	result 1
		Opponent Blaauw, C (Charne)				Opponent Nemuru, E (Eric)

#	Games	Start				End
1	5	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Fisher, S (Seanen)				Opponent Titus, M (Michael John)
2	2	Tournament Rooibos Open 2025				Tournament Rooibos Open 2025
		date 2025-08-30	rnd 4	type Standard	result 1	date 2025-08-30	rnd 5	type Standard	result 1
		Opponent De Wee, G (Gregley)				Opponent Vermeulen, P (Peigh-Lene)
3	2	Tournament Western Cape Women�s Championship 2025				Tournament Rooibos Open 2025
		date 2025-08-09	rnd 5	type Standard	result 1	date 2025-08-30	rnd 1	type Standard	result 1
		Opponent Solomon, M (Monika)				Opponent Titus, M (Michael John)

#	Games	Start				End
1	4	Tournament Upper West Coast Top Schools 2025				Tournament Upper West Coast Top Schools 2025
		date 2025-06-14	rnd 2	type Rapid	result 1	date 2025-06-14	rnd 5	type Rapid	result 1
		Opponent Arendse, H (Haygen)				Opponent Slimmert, E (Eadino)
2	4	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 5	type Rapid	result 1
		Opponent Fielies, B (Bernando)				Opponent Titus, M (Michael John)
3	3	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 2	type Rapid	result 1	date 2024-10-26	rnd 4	type Rapid	result 1
		Opponent Blaauw, C (Charne)				Opponent Nemuru, E (Eric)

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	Titus ,M (Michael John)	3	3	425	2	2	425	1	1	425	0	0	0
1	Titus ,M (Michael John)	3	1209.2	1634.2	2	1161.2	1634.2	1	1255.6	1634.2	0	0	0
2	Arendse ,H (Haygen)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
2	Arendse ,H (Haygen)	3	1214.3	1356	0	0	0	3	1294.9	1356	0	0	0
3	Beukes ,B (Benjamin)	2	1	0	2	1	0	0	0	0	0	0	0
3	Beukes ,B (Benjamin)	2	1468.8	1468.8	2	1459.1	1468.8	0	0	0	0	0	0
4	Horse ,M (Mikyle)	2	1	0	2	1	0	0	0	0	0	0	0
4	Horse ,M (Mikyle)	2	1207.2	1207.2	2	1181.8	1207.2	0	0	0	0	0	0
5	Tieties ,J (Jomal)	2	2	425	1	1	425	1	1	425	0	0	0
5	Tieties ,J (Jomal)	2	1210.4	1635.4	1	1200	1635.4	1	1200	1635.4	0	0	0
6	Swartz ,U (Umaree)	2	1	0	1	1	425	1	0	-425	0	0	0
6	Swartz ,U (Umaree)	2	1300.5	1300.5	1	1295.9	1725.5	1	1346.7	875.5	0	0	0
7	Kujinga ,T (Tawananyasha)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Kujinga ,T (Tawananyasha)	2	1438.1	1013.1	1	1345.5	1013.1	1	1465.1	1013.1	0	0	0
8	Januarie ,J (Johydin)	2	2	425	1	1	425	1	1	425	0	0	0
8	Januarie ,J (Johydin)	2	1162	1587	1	1173.5	1587	1	1165.2	1587	0	0	0
9	Valtyn ,A (Adan)	2	2	425	1	1	425	1	1	425	0	0	0
9	Valtyn ,A (Adan)	2	1239.4	1664.4	1	1200	1664.4	1	1276.8	1664.4	0	0	0
10	Avontuur ,A (Al-Meeche)	2	2	425	1	1	425	1	1	425	0	0	0
10	Avontuur ,A (Al-Meeche)	2	1200.7	1625.7	1	1177.5	1625.7	1	1374.2	1625.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Johnson, C (Christiano)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms