| Interne Competitie SENIOREN |
| Senioren - Round 12 - 4-4-2023 |
| Site | Boorstraat | Start date | 25-10-2022 |
| City | Utrecht | End date | 31-5-2023 |
| Country | Netherlands | Pairing system | Swiss |
| Organization | Schaakvereniging Oud Zuylen Utrecht | Arbiters | Marc Jongerius |
| Nr | White | Black | Result |
| 1 | Piet Kooiman | Guus van Eeden | 0−1 |
| 2 | Wout van Veen | Ed van Eeden | 0−1 |
| 3 | Rene ten Bos | Stefan Vosshard | 1−0 |
| 4 | Leo Keijzer | Bertrand Weegenaar | ½−½ |
| 5 | Martijn de Haan | Daan van Atteveldt | 1−0 |
| 6 | Wouter Visser | Marc Jongerius | 1−0 |
| 7 | Thijs Oostveen | Jon van Midde | 0−1 |
| 8 | Jan Ackerman | Anja Vis | 1−0R |
| Nr. | Player | Absence reason | |
| 1 | Judith van Amerongen | Abs with msg | |
| 2 | Bert Lardenoye | Abs with msg | |
| 3 | Theo Paymans | Abs with msg | |
| 4 | Jan Maarten vd Boogaart | Abs with msg | |
| 5 | Jaap van der Tuuk | Abs with msg | |
| 6 | Arie Schwartz | Abs with msg | |
| 7 | Meindert van der Linde | Abs with msg | |
| 8 | Sander Blok | Abs with msg | |
| 9 | Henk Dissel | Abs with msg | |
| 10 | Evert de Graaf | Abs with msg | |
| 11 | Harm Theo Wagenaar | Abs with msg | |
| 12 | Peter de Jong | Abs with msg | |
| 13 | Freek Busstra | Abs with msg | |
| 14 | Huib Olij | Abs with msg | |
| 15 | Maarten Post | Abs with msg | |
| 16 | Pascal Boittin | Abs with msg | |
| 17 | Marc Speijers | Abs with msg | |
| 18 | Wout van Goor | Abs with msg | |
| 19 | Kobe Smeets | Abs with msg | |
| 20 | Roger Feijtens | Abs with msg | |
| 21 | Alwin van Ee | Abs with msg | |
| 22 | Harry Thörig | Abs with msg | |
| 23 | Jan Willem Lubbers | Abs with msg | |
| 24 | Jo Drijver | Abs with msg | |
| 25 | Bart de Vries | Abs with msg | |
| 26 | Ton Gezel | Abs with msg | |
| 27 | Jan Gijzen | Abs with msg | |
| 28 | Henri Bruijn | Abs with msg | |
| 29 | Hidde Bok | Abs with msg | |
| 30 | Raimon Bach Pareja | Abs with msg | |
| 31 | Ries van Leeuwen | Abs with msg | |
| 32 | Lex Plum | Abs with msg | |
| 33 | Florentina Barbu | Abs with msg | |
| 34 | Louis Klaasens | Abs with msg | |
| 35 | Tom de Jong | Abs with msg | |
| 36 | Robert Beekman | Abs with msg | |
| 37 | Daniël Kuijper | Abs with msg | |
| 38 | Midas Schonewille | Abs with msg | |
| 39 | Yorick de Kruijk | Abs with msg | |
| 40 | Raven de Kruijk | Abs with msg | |
| 41 | Giovanni van Basten | Abs with msg | |
| 42 | Theo Rooijakkers | Abs with msg | |
| 43 | Tonnij Mackaaij | Abs with msg |
| Round 12 | |||||||||||||
| Pos | Name | Gms | W | D | L | Score | B | S | Bhlz | SBgr | Rtg | TPR | SRtg |
| 1 | Piet Kooiman | 12 | 8 | 1 | 3 | 8.5 | 0 | 1 | 78.5 | 55.75 | 1885 | 1894 | 1868 |
| 2 | Rene ten Bos | 8 | 5 | 2 | 1 | 8.0 | 0 | 1 | 76.5 | 51.50 | 1848 | 1962 | 1818 |
| 3 | Ed van Eeden | 12 | 7 | 0 | 5 | 7.0 | −2 | −1 | 76.0 | 40.00 | 1995 | 1773 | 2062 |
| 4 | Wout van Veen | 8 | 4 | 2 | 2 | 7.0 | 0 | 2 | 74.0 | 41.00 | 1801 | 1772 | 1801 |
| 5 | Martijn de Haan | 12 | 7 | 0 | 5 | 7.0 | 0 | 1 | 78.0 | 40.50 | 1630 | 1695 | 1601 |
| 6 | Guus van Eeden | 12 | 6 | 2 | 4 | 7.0 | 0 | −1 | 70.0 | 36.75 | 1437 | 1655 | 1362 |
| 7 | Leo Keijzer | 12 | 5 | 3 | 4 | 6.5 | 0 | 1 | 73.5 | 36.25 | 1757 | 1757 | 1757 |
| 8 | Tonnij Mackaaij | 8 | 4 | 1 | 3 | 6.5 | 0 | 2 | 78.5 | 40.75 | 1724 | 1804 | 1703 |
| 9 | Bertrand Weegenaar | 6 | 3 | 2 | 1 | 6.0 | 0 | −1 | 77.0 | 36.50 | 1846 | 1818 | 1847 |
| 10 | Stefan Vosshard | 8 | 3 | 2 | 3 | 6.0 | 0 | −1 | 79.0 | 37.00 | 1796 | 1726 | 1810 |
| 11 | Wouter Visser | 12 | 6 | 0 | 6 | 6.0 | 2 | 2 | 67.5 | 29.00 | 1528 | 1616 | 1497 |
| 12 | Jaap van der Tuuk | 4 | 3 | 0 | 1 | 5.0 | 0 | 1 | 78.5 | 29.00 | 2101 | 1845 | 2114 |
| 13 | Theo Paymans | 4 | 3 | 0 | 1 | 5.0 | 0 | −1 | 78.5 | 31.00 | 1575 | 1664 | 1562 |
| 14 | Jan Ackerman | 8 | 2 | 1 | 5 | 4.5 | −1 | −1 | 69.5 | 23.00 | 1712 | 1462 | 1764 |
| 15 | Giovanni van Basten | 4 | 1 | 3 | 0 | 4.5 | 0 | 1 | 73.5 | 27.25 | 1618 | 1829 | 1600 |
| 16 | Thijs Oostveen | 12 | 4 | 1 | 7 | 4.5 | 0 | 1 | 78.0 | 27.75 | 1506 | 1599 | 1490 |
| 17 | Daan van Atteveldt | 4 | 2 | 1 | 1 | 4.5 | 0 | −2 | 70.5 | 25.00 | 1429 | 1784 | 1400 |
| 18 | Jon van Midde | 3 | 2 | 0 | 1 | 4.0 | −1 | −1 | 65.5 | 19.50 | 1875 | 1576 | 1888 |
| 19 | Theo Rooijakkers | 6 | 2 | 0 | 4 | 4.0 | 0 | −1 | 65.5 | 19.75 | 1452 | 1531 | 1449 |
| 20 | Marc Jongerius | 4 | 1 | 1 | 2 | 3.5 | 0 | −1 | 75.5 | 22.50 | 1615 | 1529 | 1626 |
| 21 | Yorick de Kruijk | 4 | 1 | 0 | 3 | 3.0 | 0 | 1 | 68.0 | 16.00 | 1779 | 1594 | 1800 |
| 22 | Jan Gijzen | 4 | 1 | 0 | 3 | 3.0 | 0 | −1 | 60.0 | 13.00 | 1492 | 1304 | 1514 |
| 23 | Robert Beekman | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 2294 | 2294 | |
| 24 | Tom de Jong | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 2185 | 2185 | |
| 25 | Arie Schwartz | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 2041 | 2041 | |
| 26 | Meindert van der Linde | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 2030 | 2030 | |
| 27 | Jan Maarten vd Boogaart | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 2009 | 2009 | |
| 28 | Sander Blok | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 2000 | 2000 | |
| 29 | Henk Dissel | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1988 | 1988 | |
| 30 | Evert de Graaf | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1971 | 1971 | |
| 31 | Harm Theo Wagenaar | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1910 | 1910 | |
| 32 | Peter de Jong | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1909 | 1909 | |
| 33 | Freek Busstra | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1878 | 1878 | |
| 34 | Daniël Kuijper | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1877 | 1877 | |
| 35 | Huib Olij | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1874 | 1874 | |
| 36 | Maarten Post | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1850 | 1850 | |
| 37 | Pascal Boittin | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1832 | 1832 | |
| 38 | Marc Speijers | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1831 | 1831 | |
| 39 | Wout van Goor | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1792 | 1792 | |
| 40 | Kobe Smeets | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1761 | 1761 | |
| 41 | Roger Feijtens | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1744 | 1744 | |
| 42 | Bert Lardenoye | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1737 | 1737 | |
| 43 | Judith van Amerongen | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1731 | 1731 | |
| 44 | Alwin van Ee | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1727 | 1727 | |
| 45 | Harry Thörig | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1682 | 1682 | |
| 46 | Jan Willem Lubbers | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1648 | 1648 | |
| 47 | Jo Drijver | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1605 | 1605 | |
| 48 | Midas Schonewille | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1568 | 1568 | |
| 49 | Bart de Vries | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1523 | 1523 | |
| 50 | Ton Gezel | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1522 | 1522 | |
| 51 | Henri Bruijn | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1493 | 1493 | |
| 52 | Hidde Bok | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1489 | 1489 | |
| 53 | Raimon Bach Pareja | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1478 | 1478 | |
| 54 | Raven de Kruijk | 4 | 0 | 0 | 4 | 2.0 | 0 | −2 | 63.5 | 12.00 | 1476 | 871 | 1500 |
| 55 | Louis Klaasens | 4 | 0 | 0 | 4 | 2.0 | 2 | 2 | 56.5 | 8.00 | 1469 | 857 | 1500 |
| 56 | Ries van Leeuwen | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1430 | 1430 | |
| 57 | Lex Plum | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1411 | 1411 | |
| 58 | Florentina Barbu | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 62.0 | 12.00 | 1308 | 1308 | |
| 59 | Anja Vis | 7 | 0 | 0 | 7 | 2.0 | 0 | −1 | 66.0 | 9.75 | 1160 | 771 | 1174 |