Nazomervierkampentoernooi Assen 2025
Team Round-RobinStandard
39 players participated in this 3-round tournament, held from 29 Aug 2025 to 30 Aug 2025 in Assen, Netherlands. 1 titled players from 2 federations. Top 10 Elo average was 1991, and top seed was Rachid Schrik (🇳🇱 NED, CM, 2134).
Nanno Rijnders (🇳🇱 NED, 1717) won with 3.0/3, ahead of Marc Norden (3.0) and Ton Ellenbroek (2.5). Rijnders won on tie-break after catching the field in the final round.
The biggest upset came in round 1: Abdulhay Almefalani (1811) beat Eric Kloppers (1919), a +108-point gap.
Location
🇳🇱Assen, Netherlands
Dates
29 Aug 2025 → 30 Aug 2025
Time control
Standard: 110 minutes for game with 10 sec increment from move 1
System
Round-robin · 3 rounds
Titled players · 1
CM×1
Federations · 2 represented
🇳🇱Netherlands×36
🇬🇷Greece×1
Top 3
- 🥇
- 🥈
- 🥉
Standings
Click row to expand · Cmd+click name for new tab
| # | Player | Fed | Elo | Pts | Avg opp. | Perf | Δ Elo |
|---|---|---|---|---|---|---|---|
| 1 | Rijnders, Nanno | 🇳🇱NED | 1717 | 3.0 | 1748 | 2548 | +65.2 |
| 2 | Norden, Marc | 🇳🇱NED | 1772 | 3.0 | 1779 | 2579 | +30.6 |
| 4 | Ellenbroek, Ton | 🇳🇱NED | 2015 | 2.5 | 2058 | 2331 | +23.4 |
| 3 | Huiskes, Mathijs | 🇳🇱NED | 1957 | 2.5 | 1980 | 2253 | +22.0 |
| 5 | Almefalani, Abdulhay | 🇳🇱NED | 1811 | 2.5 | 1905 | 2178 | +55.6 |
| 13 | Mousa, Besher | 🇳🇱NED | 1549 | 2.5 | 1589 | 1782 | +24.4 |
| 11 | CMSchrik, Rachid | 🇳🇱NED | 2134 | 2.0 | 2018 | 2143 | +0.6 |
| 6 | Spriensma, Martinus | 🇳🇱NED | 1641 | 2.0 | 1694 | 1819 | +28.8 |
| 9 | Hettinga, Jaap | 🇳🇱NED | 1665 | 2.0 | 1686 | 1811 | +12.0 |
| 8 | Boer, Jan | 🇳🇱NED | 1760 | 2.0 | 1747 | 1872 | +9.0 |
| 7 | Beltman, Joost | 🇳🇱NED | 1828 | 2.0 | 1810 | 1935 | +8.6 |
| 10 | Baars, Tije | 🇳🇱NED | 1841 | 2.0 | 1805 | 1930 | +7.0 |
| 30 | FIDE 40122450 | — | 0 | 2.0 | 1475 | 1475 | 0.0 |
| 18 | Kruimer, Matthias | 🇳🇱NED | 2008 | 1.5 | 2060 | 2060 | +4.2 |
| 17 | Van der Werff, Cor | 🇳🇱NED | 1713 | 1.5 | 1670 | 1670 | -7.2 |
| 12 | Keizer, Menno | 🇳🇱NED | 1780 | 1.5 | 1741 | 1741 | -6.8 |
| 14 | Qatina, Waheeb | 🇳🇱NED | 1736 | 1.5 | 1755 | 1755 | +1.6 |
| 15 | Kloppers, Eric | 🇳🇱NED | 1919 | 1.5 | 1869 | 1869 | -8.4 |
| 16 | Wierenga, Jael | 🇳🇱NED | 1947 | 1.5 | 1983 | 1983 | +3.0 |
| 39 | Vos, Roald | 🇳🇱NED | 0 | 1.5 | 1475 | 675 | -25.6 |
| 21 | Baarspul, Bram | 🇳🇱NED | 1991 | 1.0 | 1969 | 1844 | -23.6 |
| 28 | Nair, Pranav Prasobh | 🇳🇱NED | 1748 | 1.0 | 1836 | 1711 | -5.6 |
| 29 | Luimes, Arent | 🇳🇱NED | 1895 | 1.0 | 1877 | 1752 | -11.6 |
| 20 | Hoekstra, Max | 🇳🇱NED | 1901 | 1.0 | 1875 | 1750 | -12.0 |
| 22 | Van der Graaf, Jaap | 🇳🇱NED | 1839 | 1.0 | 1806 | 1681 | -12.8 |
| 23 | Loots, Johan | 🇳🇱NED | 1723 | 1.0 | 1746 | 1621 | -16.0 |
| 24 | Jonkheer, Marco | 🇳🇱NED | 1741 | 1.0 | 1740 | 1615 | -20.4 |
| 25 | Hummel, Joop | 🇳🇱NED | 2002 | 1.0 | 1965 | 1840 | -13.2 |
| 26 | Zwanepol, Johan | 🇳🇱NED | 1780 | 1.0 | 1727 | 1602 | -14.4 |
| 19 | Bottema, Jeroen | 🇳🇱NED | 1726 | 1.0 | 1759 | 1634 | -7.2 |
| 27 | Dijkstra, Theo | 🇳🇱NED | 1815 | 1.0 | 1765 | 1640 | -14.2 |
| 34 | Vaillant, Paul | 🇳🇱NED | 1617 | 1.0 | 1549 | 1549 | -3.6 |
| 32 | Schillemans, Peter | 🇳🇱NED | 1705 | 0.5 | 1673 | 1400 | -22.8 |
| 31 | De Lange, Gerard | 🇳🇱NED | 1797 | 0.5 | 1794 | 1601 | -20.0 |
| 33 | Bosveld, Mattias | 🇳🇱NED | 1726 | 0.5 | 1794 | 1601 | -6.4 |
| 35 | Sarathbabu, Mrityunjay | 🇳🇱NED | 0 | 0.5 | 1583 | 1390 | -10.0 |
| 38 | Koukas, Anastasios | 🇬🇷GRE | 2031 | 0.0 | 2052 | 1252 | -28.2 |
| 37 | De Lange, Marieke | 🇳🇱NED | 1561 | 0.0 | 1549 | 749 | -10.4 |
| 36 | FIDE 40122441 | — | 0 | 0.0 | 1475 | 675 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Rijnders, NannoNED+65.23.0 pts · #1
- 2Almefalani, AbdulhayNED+55.62.5 pts · #5
- 3Norden, MarcNED+30.63.0 pts · #2
Top rating losers
- 1Koukas, AnastasiosGRE-28.20.0 pts · #38
- 2Vos, RoaldNED-25.61.5 pts · #39
- 3Baarspul, BramNED-23.61.0 pts · #21
Biggest upsets
- R1+108 Elo gap