Chess South Africa Ratings Database

PLAYER PAGE

Personal

Block, S (Shlomo)

Chess SA id

1140138223

FIDE id

Date of birth

2014-10-13 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

36.7

Junior GPX Points

1379.4

Item	Main	Standard	Rapid	Blitz
Rating	1467.5	1437.3	1344.4	1200
Raw rating	1467.5	1437.3	1344.4	1200
Weighted rating	1412.8	1384.7	1313	1200
Weighted performance	1435.1	1407.3	0	0
Floor	972.1	937.3	844.4	700
K-factor	32	32	36	36
Min/Max rating change allowed	113.3	118.3	135	165.8
Highest rating	1472.1 2025-04-01	1437.3 2025-09-30	1518.4 2024-08-01	1200 2018-10-01
Highest raw rating	1472.1 2025-04-01	1437.3 2025-09-30	1344.4 2025-09-30	1200 2024-02-01
Highest weighted rating	1405.1 2025-09-30	1378.2 2025-09-30	1308.1 2025-09-30	1200 2018-10-01
Highest weighted performance	1472.1 2025-04-01	1433.5 2023-07-01	1518.4 2024-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1467.5	1437.3	1344.4	1200
Analysis
Rating	1467.5	1437.3	1344.4	1200
Raw rating	1467.5	1437.3	1344.4	1200
Weighted rating	1412.8	1384.7	1313
Weighted performance	1435.1	1407.3	0
K-factor	32	32	36	36
Floor	972.1	937.3	844.4	700
Max/Min rating change allowed	113.3	118.3	135	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	1467.5	1437.3	1344.4	1200
New weighted rating	1419.9	1390.8	1317.6	1200
New weighted performance	1426.5	1398.9	0	0
Temp new rating	1467.5	1437.3	1344.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1467.5	1437.3	1344.4	1200
New K-factor	32	32	36	36
New floor	972.1	937.3	844.4	700

Item	Main	Standard	Rapid
	0	0	0
	40	35	5
	20	10	10
	10	10	0
	5	5	0
	0	0	0
History	75	60	15

Games since
	Main 60	Standard 45		Rapid 15		Blitz 0
Gender	Male
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1538		532		180
Male	1296		435		150
U12	178		69		22
U12 Male	128		45		18
Standard
	RSA		Province		Region
Overall	1713		638		203
Male	1417		516		165
U12	205		85		28
U12 Male	146		56		23
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	40	25.5	63.75	116.9	1364.3	1481.2
Standard	35	22	62.86	109.3	1363.7	1473
Rapid	5	3.5	70	170	1368.7	1538.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	75	48	64	119	1328.9	1447.9
Standard	60	36	60	85	1336.4	1421.4
Rapid	15	12	80	255	1298.9	1553.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1467.5	1437.3	1344.4	1200
2025-09-30	1467.5	1437.3	1344.4	1200
2025-09-01	1442.1	1411	1321.7	1200
2025-08-01	1442.1	1411	1321.7	1200
2025-07-01	1442.1	1411	1321.7	1200
2025-06-01	1472.1	1433.5	1321.7	1200
2025-05-01	1472.1	1433.5	1321.7	1200
2025-04-01	1472.1	1433.5	1321.7	1200
2025-03-01	1464.6	1414.6	1321.7	1200
2025-02-01	1359.1	1328.8	1321.7	1200
2025-01-01	1359.1	1328.8	1321.7	1200
2024-12-01	1359.1	1328.8	1321.7	1200
2024-11-01	1359.1	1328.8	1321.7	1200
2024-10-01	1359.1	1328.8	1321.7	1200
2024-09-01	1359.1	1328.8	1321.7	1200
2024-08-01	1332.2	1328.8	1260.5	1200
2024-07-01	1332.2	1328.8	1260.5	1200
2024-09-01	1314.3	1306.8	1260.5	1200
2024-05-01	1314.3	1306.8	1260.5	1200
2024-04-01	1291.3	1306.8	1200	1200
2024-03-01	1291.3	1306.8	1200	1200
2024-02-01	1291.3	1306.8	1200	1200
2024-01-01	1308.3	1332	1200	1200
2023-12-01	1308.3	1332	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	Fourth Knight Riders Juniors Open Chess Tournament 2025 (B)	2025-08-31	2025-08-31	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	GoForChess Junior Chess Championships 2025 (U12)	2025-09-14	2025-09-14	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	Chess Power House Spring Rapid 2025 (C)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
4	Knight Riders Youth Day Open 2025 (B+C)	2025-06-15	2025-06-15	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	JMC Helpmekaar 2025 (U12)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
6	2nd Knight Riders Junior Open 2025 (C)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	First Knights Juniors Chess Tournament 2025 (C)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
8	JMC Kick Off 2025 (C)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Fourth Knight Riders Juniors Open Chess Tournament 2025 (B)	2025-08-31	2025-08-31	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	GoForChess Junior Chess Championships 2025 (U12)	2025-09-14	2025-09-14	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	Chess Power House Spring Rapid 2025 (C)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
4	Knight Riders Youth Day Open 2025 (B+C)	2025-06-15	2025-06-15	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	JMC Helpmekaar 2025 (U12)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
6	2nd Knight Riders Junior Open 2025 (C)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	First Knights Juniors Chess Tournament 2025 (C)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
8	JMC Kick Off 2025 (C)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	CPH King David Linksfield Aug Rapid 2024 (C)	2024-08-18	2024-08-18	Rapid	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
10	JMC Trinityhouse Little Falls 2024 (C)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
11	JCC King David Linksfield Rapid 2024 (C)	2024-04-21	2024-04-21	Rapid	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
12	JMC Kick Off Tournament 2024 (D)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
13	JMC Trinity Little Falls 2023 (U10)	2023-07-02	2023-07-02	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
14	GoForChess Junior Chess Championship Grayston 2023 (Juniors)	2023-07-16	2023-07-16	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
15	Goforchess Junior Championship 2022 (Grayston)	2022-03-06	2022-03-06	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	8	Tournament JMC Kick Off 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-03-23	rnd 2	type Standard	result 1
		Opponent Upadhyay, S (Savya)				Opponent Mannar, A (Aaryan)
2	8	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Kick Off 2025
		date 2024-06-02	rnd 4	type Standard	result 1	date 2025-02-02	rnd 1	type Standard	result 1
		Opponent Badat, M (Mikaeel)				Opponent Gokool, N (Nishka)
3	5	Tournament GoForChess Junior Chess Championship Grayston 2023				Tournament GoForChess Junior Chess Championship Grayston 2023
		date 2023-07-16	rnd 1	type Standard	result 1	date 2023-07-16	rnd 5	type Standard	result 0.5
		Opponent Tang, Z (Zifei)				Opponent Mannar, A (Aaryan)

#	Games	Start				End
1	8	Tournament JMC Kick Off 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-03-23	rnd 2	type Standard	result 1
		Opponent Upadhyay, S (Savya)				Opponent Mannar, A (Aaryan)
2	5	Tournament GoForChess Junior Chess Championship Grayston 2023				Tournament GoForChess Junior Chess Championship Grayston 2023
		date 2023-07-16	rnd 1	type Standard	result 1	date 2023-07-16	rnd 5	type Standard	result 0.5
		Opponent Tang, Z (Zifei)				Opponent Mannar, A (Aaryan)
3	5	Tournament Goforchess Junior Championship 2022				Tournament JMC Trinity Little Falls 2023
		date 2022-03-06	rnd 5	type Standard	result 1	date 2023-07-02	rnd 4	type Standard	result 1
		Opponent Moeketsi, M (Mafoko)				Opponent Conradie, M (Minka)

#	Games	Start				End
1	6	Tournament JCC King David Linksfield Rapid 2024				Tournament CPH King David Linksfield Aug Rapid 2024
		date 2024-04-21	rnd 5	type Rapid	result 1	date 2024-08-18	rnd 5	type Rapid	result 1
		Opponent Fogolin, O (Oliver)				Opponent Lipshitz, B (Blake)
2	3	Tournament JCC King David Linksfield Rapid 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-04-21	rnd 1	type Rapid	result 1	date 2024-04-21	rnd 3	type Rapid	result 1
		Opponent Jaffe, E (Ellla)				Opponent Woolf, E (Eliana)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament JMC Trinityhouse Little Falls 2024				Tournament CPH King David Linksfield Aug Rapid 2024
		date 2024-06-02	rnd 4	type Standard	result 1	date 2024-08-18	rnd 3	type Rapid	result 1
		Opponent Badat, M (Mikaeel)				Opponent Teeger, B (Benjamin)
2	4	Tournament JMC Kick Off 2025				Tournament First Knights Juniors Chess Tournament 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-09	rnd 3	type Standard	result 1
		Opponent Upadhyay, S (Savya)				Opponent Erasmus, M (Max)
3	4	Tournament JMC Kick Off Tournament 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-01-28	rnd 5	type Standard	result 1	date 2024-04-21	rnd 3	type Rapid	result 1
		Opponent Israel, Y (Yonatan)				Opponent Woolf, E (Eliana)

#	Games	Start				End
1	4	Tournament JMC Kick Off 2025				Tournament First Knights Juniors Chess Tournament 2025
		date 2025-02-02	rnd 5	type Standard	result 1	date 2025-02-09	rnd 3	type Standard	result 1
		Opponent Upadhyay, S (Savya)				Opponent Erasmus, M (Max)
2	3	Tournament First Knights Juniors Chess Tournament 2025				Tournament 2nd Knight Riders Junior Open 2025
		date 2025-02-09	rnd 5	type Standard	result 1	date 2025-03-23	rnd 2	type Standard	result 1
		Opponent Mkhasibe, NZ (Nobuhle Zandile)				Opponent Mannar, A (Aaryan)
3	3	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Kick Off 2025
		date 2024-06-02	rnd 4	type Standard	result 1	date 2025-02-02	rnd 1	type Standard	result 1
		Opponent Badat, M (Mikaeel)				Opponent Gokool, N (Nishka)

#	Games	Start				End
1	4	Tournament JCC King David Linksfield Rapid 2024				Tournament CPH King David Linksfield Aug Rapid 2024
		date 2024-04-21	rnd 5	type Rapid	result 1	date 2024-08-18	rnd 3	type Rapid	result 1
		Opponent Fogolin, O (Oliver)				Opponent Teeger, B (Benjamin)
2	3	Tournament JCC King David Linksfield Rapid 2024				Tournament JCC King David Linksfield Rapid 2024
		date 2024-04-21	rnd 1	type Rapid	result 1	date 2024-04-21	rnd 3	type Rapid	result 1
		Opponent Jaffe, E (Ellla)				Opponent Woolf, E (Eliana)
3	1	Tournament CPH King David Linksfield Aug Rapid 2024				Tournament CPH King David Linksfield Aug Rapid 2024
		date 2024-08-18	rnd 5	type Rapid	result 1	date 2024-08-18	rnd 5	type Rapid	result 1
		Opponent Lipshitz, B (Blake)				Opponent Lipshitz, B (Blake)

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	Mannar ,A (Aaryan)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
1	Mannar ,A (Aaryan)	3	1342.2	1625.5	3	1338.4	1625.5	0	0	0	0	0	0
2	Lipshitz ,B (Blake)	3	3	425	2	2	425	1	1	425	0	0	0
2	Lipshitz ,B (Blake)	3	1296	1721	2	1263.2	1721	1	1225.2	1721	0	0	0
3	Joubert ,J (Joshua)	2	1	0	2	1	0	0	0	0	0	0	0
3	Joubert ,J (Joshua)	2	1447.6	1447.6	2	1436.5	1447.6	0	0	0	0	0	0
4	Stelloh ,S (Sebastian)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Stelloh ,S (Sebastian)	2	1471.2	1046.2	2	1458	1046.2	0	0	0	0	0	0
5	Mathibe ,K (Koketso)	2	2	425	2	2	425	0	0	0	0	0	0
5	Mathibe ,K (Koketso)	2	1120.6	1545.6	2	1112.8	1545.6	0	0	0	0	0	0
6	Bester ,J (Johannes)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
6	Bester ,J (Johannes)	2	1425.4	1637.9	1	1314.2	1850.4	1	1214	1425.4	0	0	0
7	Mankena ,S (Satvik Ram)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Mankena ,S (Satvik Ram)	2	1659.4	1234.4	1	1649	1234.4	1	1402.8	1234.4	0	0	0
8	Palmer ,E (Eli)	1	1	425	1	1	425	0	0	0	0	0	0
8	Palmer ,E (Eli)	1	1306.7	1731.7	1	1310.4	1731.7	0	0	0	0	0	0
9	Mendonca ,N (Nelita)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mendonca ,N (Nelita)	1	1279.9	1704.9	1	1281.9	1704.9	0	0	0	0	0	0
10	Erasmus ,M (Max)	1	1	425	1	1	425	0	0	0	0	0	0
10	Erasmus ,M (Max)	1	1248.1	1673.1	1	1299.6	1673.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Block, S (Shlomo)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms