The Opatija International Open 2013 is taking place on June 29th – July 7th at the Grand Hotel Adriatica, Marsala Tita 200, Opatija – Croatia.
The tournament is valid for FIDE rating and Title Results. It is a 9 round Swiss-open, with a time control of 90 minutes plus 30 seconds increments per move.
Prizes (in €): 1000, 600, 300, 150, 100, 50
Special prizes (in €):
<2200: 600, 300, 150, 50, 5.-8. material prizes
<2000: 500, 200, 100, 50, 5.-8. material prizes
<1800: 400, 200, 100, 50, 5.-8. material prizes
<1600: 1.- 5. material prizes
After 4 rounds, the favorites maintain a perfect score at the top of the standings – Russian GM Andrey Shariyazdanov and Croatian GM Marin Bosiocic.
Opatija, Croatia
Standings after 4 rounds:
| 1 | GM | Shariyazdanov Andrey | RUS | 2579 | 4 |
| 2 | GM | Bosiocic Marin | CRO | 2556 | 4 |
| 3 | Krsnik Cohar Ivan Vihor | CRO | 2064 | 3.5 | |
| 4 | Salmoiraghi Angelo | ITA | 2165 | 3.5 | |
| 5 | WIM | Franciskovic Borka | CRO | 2277 | 3 |
| 6 | Plenca Jadranko | CRO | 2150 | 3 | |
| 7 | IM | Fradkin Boris | RUS | 2426 | 3 |
| 8 | CM | Muhsen Abdulla.Mohmmed | IRQ | 2203 | 3 |
| 9 | Pavicic Zeljko | CRO | 2384 | 3 | |
| 10 | FM | Plenca Julijan | CRO | 2351 | 3 |
| Vujnovic Patricija | CRO | 2073 | 3 | ||
| 12 | Tica Sven | CRO | 2037 | 3 | |
| 13 | Vrhovnik Damir | CRO | 2104 | 3 | |
| 14 | Pezelj Sinisa | SRB | 2172 | 3 | |
| 15 | Beletic Daniel | SLO | 2249 | 3 | |
| 16 | IM | Mufic Goran | CRO | 2261 | 3 |
| Bonoo Iwan | NED | 1955 | 3 | ||
| 18 | Juranic Bruno | CRO | 2184 | 2.5 | |
| 19 | Fakhrutdinov Timur | RUS | 2117 | 2.5 | |
| 20 | Lakovic Igor | ITA | 1938 | 2.5 | |
| 21 | Nepi Ezio | ITA | 1921 | 2.5 | |
| 22 | Deubelbeiss Rene | SUI | 2023 | 2.5 | |
| 23 | Zrilic Bozo | CRO | 1962 | 2.5 | |
| 24 | Jergovic Andrija | CRO | 1980 | 2 | |
| 25 | Tomulic Teo | CRO | 1783 | 2 | |
| 26 | Remetic Velimir | SLO | 1961 | 2 | |
| 27 | Beljan Mladen | CRO | 1855 | 2 | |
| 28 | Beric Zeljko | CRO | 1779 | 2 | |
| 29 | Delost Josko | SLO | 0 | 2 | |
| 30 | Drobnic Milan | SLO | 1797 | 2 | |
| 31 | Slamar Velimir | CRO | 2130 | 2 | |
| 32 | Pejic Igor | CRO | 2053 | 2 | |
| Kukurin Luka | CRO | 1890 | 2 | ||
| Amon Nejc | SLO | 1783 | 2 | ||
| 35 | IM | Zsinka Laszlo | HUN | 2261 | 2 |
| 36 | Brcar Andrej | SLO | 2066 | 2 | |
| Jovanovic Aleksandar | SUI | 1847 | 2 | ||
| 38 | Ladisic Alex-Sacha | FRA | 1990 | 2 | |
| 39 | Radmanovic Lazar | CRO | 1890 | 2 | |
| 40 | Mestek Igor | SLO | 2187 | 2 | |
| 41 | Legrand Antoine | FRA | 1718 | 2 | |
| 42 | Petrovic David | CRO | 0 | 2 | |
| 43 | Safar Sandro | CRO | 1590 | 1.5 | |
| 44 | Saric Luka | CRO | 1875 | 1.5 | |
| 45 | Wahl Daniel | GER | 0 | 1.5 | |
| 46 | Sokolar Rizvo | GER | 1696 | 1.5 | |
| 47 | Rajter Emil | CRO | 1820 | 1.5 | |
| Zhezhov Emil | MKD | 1763 | 1.5 | ||
| 49 | Perion Alessandra | ITA | 0 | 1.5 | |
| 50 | Legrand Francoise | FRA | 1639 | 1.5 | |
| 51 | Janknecht Eckart | GER | 0 | 1.5 | |
| 52 | Drobnic Simona | SLO | 1344 | 1 | |
| 53 | Podobnik Eugen | CRO | 1411 | 1 | |
| 54 | Kaizer Albertus | NED | 0 | 1 | |
| 55 | WFM | Banat Rizlene | ALG | 1781 | 1 |
| Grotle Ramona | NOR | 0 | 1 | ||
| 57 | Legrand Claire | FRA | 1650 | 1 | |
| 58 | Lachat Martin | SUI | 1705 | 1 | |
| Amon Jan | SLO | 1366 | 1 | ||
| 60 | Brcar Matej | SLO | 1728 | 1 | |
| 61 | Gasparac Karlo | CRO | 0 | 1 | |
| 62 | De Luca Marco | ITA | 1594 | 0.5 | |
| 63 | Devolder Eduard | BEL | 0 | 0.5 | |
| 64 | Bredenbac Philippe | FRA | 1512 | 0 | |
| 65 | Drobnic Rok | SLO | 1219 | 0 | |
| 66 | Res Dalibor | CRO | 1757 | 0 | |
