Chess South Africa Ratings Database

PLAYER PAGE

Personal

Johnson, C (Christiano)

Chess SA id

1140303161

FIDE id

Date of birth

2014-02-18 (U12)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

33.6

Junior GPX Points

1249.6

Item	Main	Standard	Rapid	Blitz
Rating	1364.9	1292.1	1397.6	1200
Raw rating	1364.9	1292.1	1397.6	1200
Weighted rating	1294.7	1233	1323.3	1200
Weighted performance	1335.3	1287.4	1354.6	0
Floor	876.2	800.7	897.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	131.1	145.4	125.1	165.8
Highest rating	1376.2 2025-09-01	1300.7 2025-09-01	1399.3 2024-05-01	1200 2024-06-01
Highest raw rating	1376.2 2025-09-01	1300.7 2025-09-01	1397.6 2025-08-01	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	1399.3 2024-05-01	1200 2024-06-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1364.9	1292.1	1397.6	1200
Analysis
Rating	1364.9	1292.1	1397.6	1200
Raw rating	1364.9	1292.1	1397.6	1200
Weighted rating	1294.7	1233	1323.3
Weighted performance	1335.3	1287.4	1354.6
K-factor	36	36	36	36
Floor	876.2	800.7	897.6	700
Max/Min rating change allowed	131.1	145.4	125.1	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	1364.9	1292.1	1397.6	1200
New weighted rating	1302.8	1238.9	1332	1200
New weighted performance	1334.8	1287	1354.1	0
Temp new rating	1364.9	1292.1	1397.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1364.9	1292.1	1397.6	1200
New K-factor	36	36	36	36
New floor	876.2	800.7	897.6	700

Item	Main	Standard	Rapid
	0	0	0
	36	27	9
	40	15	25
	0	0	0
	0	0	0
	0	0	0
History	76	42	34

Games since
	Main 76	Standard 42		Rapid 34		Blitz 0
Gender	Male
Age group	U12
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2513		788		70
Male	2045		599		50
U12	353		119		9
U12 Male	263		84		5
Standard
	RSA		Province		Region
Overall	3135		886		46
Male	2455		631		30
U12	463		139		3
U12 Male	330		90		2
Rapid
	RSA		Province		Region
Overall	511		263		62
Male	447		228		47
U12	72		44		8
U12 Male	56		32		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	36	23	63.89	118.1	1303.3	1421.4
Standard	27	15	55.56	47.2	1326.8	1374
Rapid	9	8	88.89	330.6	1233.1	1563.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	76	43.5	57.24	61.5	1282	1343.5
Standard	42	20.5	48.81	-10.1	1329.6	1319.5
Rapid	34	23	67.65	150	1223.2	1373.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
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
2024-08-01	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
2024-08-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Rooibos Open 2025 (Junior)	2025-08-30	2025-08-30	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
2	Western Cape Women�s Championship 2025 (U12)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U11)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
5	West Coast And Mykonos Open 2025 (U12)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
6	West Coast Schools Chess Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	5	Yes	Analysis
7	Upper West Coast Presrige 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	4	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Rooibos Open 2025 (Junior)	2025-08-30	2025-08-30	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
2	Western Cape Women�s Championship 2025 (U12)	2025-08-09	2025-08-09	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
3	Upper West Coast Top Schools 2025 (U11)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
5	West Coast And Mykonos Open 2025 (U12)	2025-05-02	2025-05-04	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
6	West Coast Schools Chess Prestige 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	5	Yes	Analysis
7	Upper West Coast Presrige 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	4	4	Yes	Analysis
8	West Coast Grand Challange League 2024 (PS Champions)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
9	Western Cape Top Schools Championship 2024 (U11 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	1	Yes	Analysis
10	The Rooibos Open 2024 (C)	2024-08-24	2024-08-24	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
11	Pedro Booyse Top Schools Championships 2024 (U11)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	5	4	2.5	Yes	Analysis
12	Lambertsbay Youth Open 2024 (Elite)	2024-06-17	2024-06-17	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
13	Bo-Weskus Skole Skaak Top Skole 2024 (O9+O11)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
14	West Coast & Mykonos Open 2024 (U12)	2024-05-18	2024-05-18	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
15	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	Beukes ,B (Benjamin)	2	1	0	2	1	0	0	0	0	0	0	0
2	Beukes ,B (Benjamin)	2	1468.8	1468.8	2	1459.1	1468.8	0	0	0	0	0	0
3	Horse ,M (Mikyle)	2	1	0	2	1	0	0	0	0	0	0	0
3	Horse ,M (Mikyle)	2	1207.2	1207.2	2	1181.8	1207.2	0	0	0	0	0	0
4	Fisher ,S (Seanen)	2	2	425	1	1	425	1	1	425	0	0	0
4	Fisher ,S (Seanen)	2	1189.6	1614.6	1	1200	1614.6	1	1182.3	1614.6	0	0	0
5	Swartz ,U (Umaree)	2	1	0	1	1	425	1	0	-425	0	0	0
5	Swartz ,U (Umaree)	2	1300.5	1300.5	1	1295.9	1725.5	1	1346.7	875.5	0	0	0
6	Valtyn ,A (Adan)	2	2	425	1	1	425	1	1	425	0	0	0
6	Valtyn ,A (Adan)	2	1239.4	1664.4	1	1200	1664.4	1	1276.8	1664.4	0	0	0
7	Tieties ,J (Jomal)	2	2	425	1	1	425	1	1	425	0	0	0
7	Tieties ,J (Jomal)	2	1210.4	1635.4	1	1200	1635.4	1	1200	1635.4	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	Kujinga ,T (Tawananyasha)	2	0	-425	1	0	-425	1	0	-425	0	0	0
9	Kujinga ,T (Tawananyasha)	2	1438.1	1013.1	1	1345.5	1013.1	1	1465.1	1013.1	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

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms