PLAYER PAGE
Johnny Sadalla
1100192158Tshwane (GTP)Personal
Main rating
| Rating | 1506.1 |
| K-factor | 32 |
| Floor | 1021.5 |
| Highest | 1575.5 (2024-02-01) |
| Min/Max +/- allowed | 97 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1464.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1506.1 |
| K-factor | 32 |
| Floor | 1021.5 |
| Highest | 1575.5 (2024-02-01) |
| Min/Max +/- allowed | 97.1 |
Standard rating
| Rating | 1502.8 |
| K-factor | 32 |
| Floor | 1017.5 |
| Highest | 1568 (2024-02-01) |
| Min/Max +/- allowed | 98.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1464.7 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1502.8 |
| K-factor | 32 |
| Floor | 1017.5 |
| Highest | 1568 (2024-02-01) |
| Min/Max +/- allowed | 98.2 |
Rapid rating
| Rating | 1195.4 |
| K-factor | 36 |
| Floor | 710.8 |
| Highest | 1237.1 (2024-03-01) |
| Min/Max +/- allowed | 157.3 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1195.4 |
| K-factor | 36 |
| Floor | 710.8 |
| Highest | 1237.1 (2024-03-01) |
| Min/Max +/- allowed | 157.3 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 JMC Kick off Tournament (B) | Standard | 2026-02-01 | 2026-02-01 | Johannesburg Metro (GJM) | 5 | 1521.4 | 5 | 3 | 1429.1 | 0 | Details |
| 2 | Gauteng Inter-Region at Emerald Resort 2025 (U16 Championship) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1487.2 | 5 | 4 | 1672.6 | 0 | Details |
| 3 | 2025 Gauteng Schools Provincial Individual Chess Championship (U15 Boys) | Standard | 2025-09-27 | 2025-09-27 | Tshwane (GTP) | 5 | 1526.5 | 5 | 3 | 1344.8 | 0 | Details |
| 4 | Ekurhuleni Trial 4 2025 (D) | Standard | 2025-09-21 | 2025-09-21 | Ekurhuleni (GE) | 5 | 1497.3 | 5 | 4 | 1610.2 | 0 | Details |
| 5 | Ekurhuleni Trials 2025 (D) | Standard | 2025-07-26 | 2025-07-26 | Ekurhuleni (GE) | 5 | 1493.2 | 5 | 4 | 1524.2 | 0 | Details |
| 6 | Ekurhuleni Trial 2 2025 (D) | Standard | 2025-06-21 | 2025-06-21 | Ekurhuleni (GE) | 5 | 1469.3 | 5 | 4 | 1543.5 | 0 | Details |
| 7 | Ekurhuleni Trials 2025 (D) | Standard | 2025-05-24 | 2025-05-24 | Ekurhuleni (GE) | 5 | 1380.9 | 5 | 4 | 1654.7 | 0 | Details |
| 8 | CPH May 2025 (B) | Standard | 2025-05-03 | 2025-05-03 | Johannesburg Metro (GJM) | 5 | 1380.9 | 5 | 2 | 1356.5 | 0 | Details |
| 9 | D6 SH Individual 2025 (U15 Boys) | Standard | 2025-02-22 | 2025-02-22 | Ekurhuleni (GE) | 5 | 1364.7 | 5 | 4 | 1462.5 | 0 | Details |
| 10 | Gauteng Inter-Region at UJ 2024 (U16 Candidates) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1330.9 | 5 | 3.5 | 1495.1 | 0 | Details |
| 11 | Ekurhuleni Chess Soncini Playoffs 2024 (Boys) | Rapid | 2024-09-14 | 2024-09-14 | Ekurhuleni (GE) | 5 | 1347.8 | 5 | 2 | 1134.4 | 0 | Details |
| 12 | Ekurhuleni Closed 2024 (U16) | Standard | 2024-09-21 | 2024-09-21 | Ekurhuleni (GE) | 5 | 1347.8 | 5 | 3.5 | 1496.1 | 0 | Details |
| 13 | Mzansi Spring Open 2024 (Intermediate) | Standard | 2024-09-07 | 2024-09-07 | Johannesburg Metro (GJM) | 5 | 1347.8 | 5 | 3 | 1375.3 | 0 | Details |
| 14 | Ekurhuleni Trails 3 2024 (U16) | Standard | 2024-08-24 | 2024-08-24 | Ekurhuleni (GE) | 5 | 1347.8 | 5 | 2.5 | 1360.4 | 0 | Details |
| 15 | 2024 D6 Team Finals (U15) | Standard | 2024-08-03 | 2024-08-03 | Ekurhuleni (GE) | 5 | 1347.8 | 0 | 0 | 0 | 0 | Details |
| 16 | Gauteng Schools Individuals Finals 2024 (U15 Boys) | Standard | 2024-08-17 | 2024-08-17 | Ekurhuleni (GE) | 5 | 1347.8 | 5 | 2 | 1221.8 | 0 | Details |
| 17 | Ekurhuleni Trails 2 2024 (U16) | Standard | 2024-07-27 | 2024-07-27 | Ekurhuleni (GE) | 5 | 1329.1 | 5 | 3.5 | 1505.3 | 0 | Details |
| 18 | 2024 D6 Teams (Pool C U15) | Rapid | 2024-07-20 | 2024-07-20 | Ekurhuleni (GE) | 5 | 1329.1 | 4 | 2 | 1238.6 | 0 | Details |
| 19 | Chess Power House July Open 2024 (B) | Standard | 2024-07-20 | 2024-07-20 | Johannesburg Metro (GJM) | 5 | 1329.1 | 0 | 0 | 0 | 0 | Details |
| 20 | Ekurhuleni Trails 1 2024 (U16) | Standard | 2024-06-01 | 2024-06-01 | Ekurhuleni (GE) | 5 | 1285.1 | 5 | 3.5 | 1453.2 | 0 | Details |
| 21 | D6 High School Individual Final 2024 (U15 Boys) | Standard | 2024-05-18 | 2024-05-18 | Ekurhuleni (GE) | 5 | 1309.3 | 4 | 2.5 | 1277.3 | 0 | Details |
| 22 | Chess Power House May Open 2024 (B) | Standard | 2024-05-25 | 2024-05-25 | Johannesburg Metro (GJM) | 5 | 1309.3 | 5 | 2 | 1363.2 | 0 | Details |
| 23 | 2024 Mid Gauteng Open Chess Tournament (U16) | Standard | 2024-05-02 | 2024-05-02 | Tshwane (GTP) | 5 | 1309.3 | 4 | 1 | 1096.7 | 0 | Details |
| 24 | Ekurhuleni Open 2024 (C) | Standard | 2024-04-06 | 2024-04-06 | Ekurhuleni (GE) | 5 | 1273.4 | 5 | 4 | 1482.9 | 0 | Details |
| 25 | Ekurhuleni North Chess Club Open Tournament 2024 (C) | Rapid | 2024-03-02 | 2024-03-02 | Ehlanzeni (MEN) | 7 | 1269.7 | 7 | 4 | 1293.1 | 0 | Details |
| 26 | 2024 Constantiapark Open (C) | Standard | 2024-02-17 | 2024-02-17 | Tshwane (GTP) | 5 | 1200 | 5 | 4 | 1566.9 | 0 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 5 |
| Wins | 3 |
| Draws | 0 |
| Losses | 2 |
| White | 3 |
| Black | 2 |
| White wins | 1 |
| Black wins | 2 |
| Score | 3 |
| Percent | 60 |
| Dp | 85 |
| AOR | 1344.1 |
| Performance | 1429.1 |
Game statistics (History)
| Games | 119 |
| Wins | 71 |
| Draws | 8 |
| Losses | 40 |
| White | 63 |
| Black | 56 |
| White wins | 37 |
| Black wins | 34 |
| Score | 75 |
| Percent | 63 |
| Dp | 110.7 |
| AOR | 1307.5 |
| Performance | 1418.2 |
Rankings (Main)
| National | |
| Overall | 1744 |
| Gender | 1542 |
| Age group | 209 |
| Gender/Age | 175 |
| Provincial | |
| Overall | 607 |
| Gender | 527 |
| Age group | 71 |
| Gender/Age | 58 |
| Regional | |
| Overall | 224 |
| Gender | 192 |
| Age group | 29 |
| Gender/Age | 23 |
Rankings (Standard)
| National | |
| Overall | 1642 |
| Gender | 1439 |
| Age group | 200 |
| Gender/Age | 170 |
| Provincial | |
| Overall | 582 |
| Gender | 505 |
| Age group | 71 |
| Gender/Age | 60 |
| Regional | |
| Overall | 216 |
| Gender | 185 |
| Age group | 28 |
| Gender/Age | 23 |
Rankings (Rapid)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 5 |
| Score | 3 |
| Percent | 60 |
| Aor | 1344.1 |
| Dp | 85 |
| Prat | 1429.1 |
Performance (12 months)
| Games | 40 |
| Score | 28 |
| Percent | 70 |
| Aor | 1347 |
| Dp | 170 |
| Prat | 1517 |
Performance (History)
| Games | 119 |
| Score | 75 |
| Percent | 63 |
| Aor | 1307.5 |
| Dp | 110.7 |
| Prat | 1418.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Voogt, R (Ruan) | 3 | 1 | 2 | 2024 Mid Gauteng Open Chess Tournament (U16) | Ekurhuleni Trial 4 2025 (D) | Details |
| Overall | 2 | Devereux, C (Cayden) | 2 | 2 | 0 | Ekurhuleni Trial 2 2025 (D) | Ekurhuleni Trial 4 2025 (D) | Details |
| Overall | 3 | Saunders, W (Wayde) | 2 | 1 | 1 | Ekurhuleni North Chess Club Open Tournament 2024 (C) | Ekurhuleni Trails 1 2024 (U16) | Details |
| Overall | 4 | Ndlovu, W (Wayne) | 2 | 2 | 0 | Ekurhuleni Trial 2 2025 (D) | Ekurhuleni Trial 4 2025 (D) | Details |
| Overall | 5 | Sedibe, T (Thato) | 2 | 1 | 1 | Ekurhuleni Closed 2024 (U16) | Ekurhuleni Chess Soncini Playoffs 2024 (Boys) | Details |
| Standard | 1 | Voogt, R (Ruan) | 3 | 1 | 2 | 2024 Mid Gauteng Open Chess Tournament (U16) | Ekurhuleni Trial 4 2025 (D) | Details |
| Standard | 2 | Nickols, C (Christi) | 2 | 0 | 2 | Ekurhuleni Trial 2 2025 (D) | Ekurhuleni Trial 4 2025 (D) | Details |
| Standard | 3 | Van Den Berg, Z (Zandre) | 2 | 0 | 2 | Ekurhuleni Trails 1 2024 (U16) | Ekurhuleni Trails 3 2024 (U16) | Details |
| Standard | 4 | Ndlovu, W (Wayne) | 2 | 2 | 0 | Ekurhuleni Trial 2 2025 (D) | Ekurhuleni Trial 4 2025 (D) | Details |
| Standard | 5 | Devereux, C (Cayden) | 2 | 2 | 0 | Ekurhuleni Trial 2 2025 (D) | Ekurhuleni Trial 4 2025 (D) | Details |