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| Player: Harm Wiersma Age: 66 Rating on 1-7-2019: 1540 Highest rating ever: 1612 Average rating all time: 1536 |  | |
| Date | Tournament | Opponent | Rat | Ga | Pt | R.diff. | N.perc | N.pts | |||
| sa 05-10-2019 | Dutch Teamcompetition KNDB | Macodou NDiaye | 1492 | 1 | - | 1 | 48 | 0.57 | 1.13 | ||
| sa 19-10-2019 | Dutch Teamcompetition KNDB | Alexander Shvartsman | 1540 | 1 | - | 1 | 0 | 0.5 | 1 | ||
| Total: | 2 | - | 2 | 2.13 | |||||||
| Correctionfactor: | 5 | (455 g.) | |||||||||
| Calculation: | 2 | - | 2.13 x | 5= | -0.67 | ||||||
| Virtual rating: | 1539 | ||||||||||
| Aver.rating: | 1516 | Perc.: | 0.5 | Diff.: | 0 | ||||||
| TPR: | |||||||||||
| * official KNDB-rating can be not the same as virtual rating because of new iRp-check | |||||||||||