Overzicht ontwikkeling ELO-rating voor Jos Dekker (startELO: 1903)
| Ronde | Tegenstander | Score | Elo | |
|---|---|---|---|---|
| 1 | Erik Klaassen | 1 | 1904 | (+ 1) |
| 2 | Arthur van der Spek | ½ | 1904 | (+ 0) |
| 3 | Jan Velde | ½ | 1906 | (+ 2) |
| 4 | Ferdi van Bavel | 0 | 1897 | (- 9) |
| 5 | extern (1900) | ½ | 1897 | (+ 0) |
| 6 | Mark Derks | 1 | 1902 | (+ 5) |
| 7 | Klaas Abma | ½ | 1903 | (+ 1) |
| 8 | extern (1900) | ½ | 1903 | (+ 0) |
| 9 | extern (1900) | ½ | 1903 | (+ 0) |
| 10 | Arjen Pragt | ½ | 1904 | (+ 1) |
| 11 | Pavel Lapka | ½ | 1899 | (- 5) |
| 12 | extern (1900) | ½ | 1899 | (+ 0) |
| 13 | Arthur van der Spek | 0 | 1887 | (- 12) |
| 14 | extern (1900) | ½ | 1888 | (+ 1) |
| 16 | extern (1900) | ½ | 1889 | (+ 1) |
| 17 | Wouter van de Griendt | ½ | 1892 | (+ 3) |
| 19 | Jan Velde | ½ | 1894 | (+ 2) |
| 20 | Hette van Popta | 1 | 1906 | (+ 12) |
| 21 | Arjen Pragt | 0 | 1895 | (- 11) |
| 22 | Wisse Klaassen | ½ | 1889 | (- 6) |
| 23 | extern (1900) | ½ | 1890 | (+ 1) |
| 24 | Rene de Wilde | 0 | 1873 | (- 17) |
| 25 | Martin van Rijswijk | ½ | 1873 | (+ 0) |
| 26 | extern (1900) | ½ | 1874 | (+ 1) |
| 27 | Frans van Dam | 1 | 1880 | (+ 6) |
| 29 | Bas van der Zwaag | ½ | 1880 | (+ 0) |
| 30 | Mark Derks | 1 | 1887 | (+ 7) |
| 31 | Elmadani Bokal | 0 | 1869 | (- 18) |
| Huidige ELO: | 1869 |