| Intern 2024/2025 |
| Group 1 - Round 18 - 17-2-2026 |
| Site | Dijckzigt | Start date | 9-9-2025 |
| City | Utrecht | End date | 1-7-2026 |
| Country | Netherlands | Pairing system | Ladder |
| Organization | Schaakvereniging Oud Zuylen Utrecht | Arbiters | Marc Jongerius |
| Nr. | White | Black | Result |
| 1 | Ed van Eeden | Wout van Goor | 1−0 |
| 2 | Piet Kooiman | Harm−Theo Wagenaar | 0−1 |
| 3 | Hans Bartels | Leon Elferink | 1−0 |
| 4 | Guus van Eeden | Douwe Lahr | ½−½ |
| 5 | Jordy Lahr | Pieter Slomp | ½−½ |
| Nr. | Player | Absence reason | |
| 1 | Bertrand Weegenaar | Abs with msg | |
| 2 | Jan Maarten van den Boogaart | Abs with msg | |
| 3 | Giovanni van Basten | Abs with msg | |
| 4 | Thijs Oostveen | Abs with msg | |
| 5 | Jaap van der Tuuk | Abs with msg | |
| 6 | Wout van Veen | Abs with msg | |
| 7 | Aadvik Suthan | Abs with msg | |
| 8 | Peter de Jong | Abs with msg | |
| 9 | Albert Jan Fischer | Abs with msg | |
| 10 | Pascal Boittin | Abs with msg | |
| 11 | Andre Bouwmeester | Abs with msg | |
| 12 | Jan Willem Lubbers | Abs with msg | |
| 13 | Duncan Elferink | Abs with msg | |
| 14 | Koen Stehouwer | Abs with msg | |
| 15 | Marc Jongerius | Abs with msg | |
| 16 | Maarten Post | Abs with msg | |
| 17 | Paul van der Pas | Abs with msg | |
| 18 | Joey Richardson | Abs with msg | |
| 19 | Aram Hassan | Abs with msg | |
| 20 | Roger Feytens | Abs with msg | |
| 21 | Theo Paymans | Abs with msg | |
| 22 | Jan Ackerman | Abs with msg | |
| 23 | Jon van Midde | Abs with msg | |
| 24 | Wiebe Brouwer | Abs with msg | |
| 25 | Evert de Graaf | Abs with msg | |
| 26 | Ton Mackaaij | Abs with msg | |
| 27 | Hussam Alzinou Alsaloum | Abs with msg | |
| 28 | Kris van der Riet | Abs with msg | |
| 29 | Hans de Lange | Abs with msg | |
| 30 | Thomas Heerdink | Abs with msg | |
| 31 | Stefan Vosshard | Abs with msg | |
| 32 | Leo Keijzer | Abs with msg | |
| 33 | Daniel Kuijper | Abs with msg | |
| 34 | Anja Vis | Abs with msg | |
| 35 | Jo Drijver | Abs with msg | |
| 36 | Theo Rooijakkers | Abs with msg | |
| 37 | Arie Schwartz | Abs with msg | |
| 38 | Marc Speijers | Abs with msg | |
| 39 | Geert Verweij | Abs with msg | |
| 40 | Floris van der Blom | Abs with msg | |
| 41 | Yorick de Kruik | Abs with msg | |
| 42 | Eaindray Aung | Abs with msg | |
| 43 | Floris Luikinga | Abs with msg | |
| 44 | Tijmen van Leeuwen | Abs with msg | |
| 45 | Raymond Elferink | Abs with msg | |
| 46 | Martijn de Haan | Abs with msg | |
| 47 | Maurice Diederen | Abs with msg | |
| 48 | Swayam Kuche | Abs with msg | |
| 49 | Rene ten Bos | Abs with msg | |
| 50 | Bert Lardenoye | Abs with msg |
| Round 18 | |||||||||||
| Pos | Name | Gms | W | D | L | SP1 | Score | W-L | OWL | Rtg | B |
| 1 | Jaap van der Tuuk | 8 | 6 | 2 | 0 | 601,0 | 96,0 | 6 | 5 | 2075 | 2 |
| 2 | Ed van Eeden | 8 | 5 | 2 | 1 | 581,0 | 72,0 | 4 | 9 | 1981 | 2 |
| 3 | Harm−Theo Wagenaar | 11 | 5 | 4 | 2 | 566,0 | 69,0 | 3 | −3 | 1837 | 1 |
| 4 | Jan Maarten van den Boogaart | 6 | 3 | 3 | 0 | 561,0 | 54,0 | 3 | 7 | 1984 | −2 |
| 5 | Aadvik Suthan | 9 | 4 | 4 | 1 | 557,0 | 63,0 | 3 | −6 | 1726 | 1 |
| 6 | Wout van Goor | 12 | 4 | 4 | 4 | 553,0 | 36,0 | 0 | 17 | 1737 | 2 |
| 7 | Thijs Oostveen | 7 | 4 | 1 | 2 | 549,0 | 45,0 | 2 | 4 | 1661 | −1 |
| 8 | Geert Verweij | 4 | 3 | 1 | 0 | 544,0 | 48,0 | 3 | −4 | 1669 | 0 |
| 9 | Thomas Heerdink | 7 | 3 | 1 | 3 | 528,0 | 21,0 | 0 | 7 | 1456 | −1 |
| 10 | Wiebe Brouwer | 2 | 2 | 0 | 0 | 526,0 | 30,0 | 2 | −4 | 1643 | 0 |
| 11 | Rene ten Bos | 7 | 4 | 0 | 3 | 525,0 | 33,0 | 1 | −8 | 1695 | −1 |
| 12 | Pieter Slomp | 5 | 2 | 2 | 1 | 524,0 | 27,0 | 1 | −3 | 1515 | −3 |
| 13 | Piet Kooiman | 10 | 4 | 2 | 4 | 521,0 | 30,0 | 0 | −9 | 1819 | 0 |
| 14 | Duncan Elferink | 3 | 1 | 2 | 0 | 521,0 | 21,0 | 1 | 0 | 1111 | −1 |
| 15 | Bertrand Weegenaar | 1 | 1 | 0 | 0 | 516,0 | 15,0 | 1 | 1 | 1840 | 1 |
| 16 | Hans Bartels | 1 | 1 | 0 | 0 | 514,0 | 15,0 | 1 | −1 | 2297 | 1 |
| 17 | Albert Jan Fischer | 12 | 4 | 2 | 6 | 512,0 | 12,0 | −2 | 0 | 1683 | 0 |
| 18 | Maarten Post | 3 | 1 | 1 | 1 | 511,0 | 9,0 | 0 | 2 | 1812 | 1 |
| 19 | Wout van Veen | 8 | 3 | 0 | 5 | 508,0 | 0,0 | −2 | 8 | 1747 | 0 |
| 20 | Aram Hassan | 5 | 2 | 1 | 2 | 506,0 | 15,0 | 0 | −9 | 1360 | −1 |
| 21 | Leon Elferink | 4 | 1 | 1 | 2 | 506,0 | 0,0 | −1 | 6 | 1591 | 0 |
| 22 | Guus van Eeden | 13 | 3 | 4 | 6 | 504,0 | 3,0 | −3 | 1 | 1398 | 1 |
| 23 | Jordy Lahr | 1 | 0 | 1 | 0 | 504,0 | 3,0 | 0 | 1 | 1500 | 1 |
| 24 | Douwe Lahr | 1 | 0 | 1 | 0 | 500,0 | 3,0 | 0 | −3 | 1322 | −1 |
| 25 | Koen Stehouwer | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 2104 | 0 |
| 26 | Arie Schwartz | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1989 | 0 |
| 27 | Evert de Graaf | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1905 | 0 |
| 28 | Daniel Kuijper | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1902 | 0 |
| 29 | Andre Bouwmeester | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1897 | 0 |
| 30 | Peter de Jong | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1837 | 0 |
| 31 | Stefan Vosshard | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1811 | 0 |
| 32 | Floris van der Blom | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1801 | 0 |
| 33 | Yorick de Kruik | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1788 | 0 |
| 34 | Jon van Midde | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1769 | 0 |
| 35 | Ton Mackaaij | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1748 | 0 |
| 36 | Leo Keijzer | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1747 | 0 |
| 37 | Roger Feytens | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1713 | 0 |
| 38 | Martijn de Haan | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1700 | 0 |
| 39 | Hussam Alzinou Alsaloum | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1699 | 0 |
| 40 | Jo Drijver | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1698 | 0 |
| 41 | Giovanni van Basten | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1651 | 0 |
| 42 | Joey Richardson | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1604 | 0 |
| 43 | Jan Ackerman | 8 | 2 | 2 | 4 | 500,0 | 0,0 | −2 | 0 | 1529 | 0 |
| 44 | Eaindray Aung | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1571 | 0 |
| 45 | Kris van der Riet | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1502 | 0 |
| 46 | Tijmen van Leeuwen | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1395 | 0 |
| 47 | Floris Luikinga | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1393 | 0 |
| 48 | Theo Rooijakkers | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1379 | 0 |
| 49 | Anja Vis | 0 | 0 | 0 | 0 | 500,0 | 0,0 | 0 | 0 | 1257 | 0 |
| 50 | Pascal Boittin | 6 | 1 | 2 | 3 | 500,0 | −6,0 | −2 | 6 | 1759 | 0 |
| 51 | Jan Willem Lubbers | 3 | 1 | 0 | 2 | 499,0 | −3,0 | −1 | 2 | 1455 | 1 |
| 52 | Swayam Kuche | 7 | 2 | 2 | 3 | 497,0 | 9,0 | −1 | −12 | 1348 | 1 |
| 53 | Maurice Diederen | 4 | 1 | 1 | 2 | 491,0 | 0,0 | −1 | −9 | 792 | 0 |
| 54 | Theo Paymans | 1 | 0 | 0 | 1 | 489,0 | −9,0 | −1 | −2 | 1584 | −1 |
| 55 | Paul van der Pas | 11 | 2 | 3 | 6 | 488,0 | −15,0 | −4 | 3 | 1730 | −1 |
| 56 | Hans de Lange | 2 | 0 | 0 | 2 | 488,0 | −15,0 | −2 | 3 | 1664 | 0 |
| 57 | Marc Jongerius | 9 | 1 | 4 | 4 | 482,0 | −9,0 | −3 | −9 | 1483 | −1 |
| 58 | Raymond Elferink | 5 | 1 | 1 | 3 | 481,0 | −9,0 | −2 | −10 | 1190 | −1 |
| 59 | Marc Speijers | 2 | 0 | 0 | 2 | 480,0 | −18,0 | −2 | −2 | 1759 | 0 |
| 60 | Bert Lardenoye | 2 | 0 | 0 | 2 | 480,0 | −18,0 | −2 | −2 | 1570 | 0 |