13th Alejandro Judewicz IRT U2250 2026 will take place from August 28 to 30, 2026, at Hotel Garden in Mar del Plata.
Moreover, the program combines a seven-round classical U2250 tournament and two separate seven-round blitz events.
In addition, the classical event advertises a prize fund of ARS 700,000 / approx. $490.
Meanwhile, the central hotel venue provides accommodation and allows players to attend every competition without a daily transfer.
Therefore, participants should contact FM Mariano Loiterstein for entry, package and room information.
🗓️ Event Details
| Detail | Information |
|---|---|
| 📅 Dates | August 28–30, 2026 |
| 📍 Location | Mar del Plata, Buenos Aires Province, Argentina |
| 🏛️ Venue | Hotel Garden |
| ♟️ Formats | Classical U2250 and two Blitz tournaments |
| ⏱️ Classical Time Control | 60 minutes + 30 seconds per move |
| ⚡ Blitz Time Control | 3 minutes + 2 seconds per move |
| 💰 Classical Prize Fund | ARS 700,000 / approx. $490 |
| 👤 Organizer | FM Mariano Loiterstein |
| 🌐 Chess-Results – Classical | https://chess-results.com/tnr1391608.aspx?lan=1 |
| 🌐 Chess-Results – Friday Blitz | https://chess-results.com/tnr1391610.aspx?lan=1 |
| 🌐 Chess-Results – Sunday Blitz | https://chess-results.com/tnr1391611.aspx?lan=1 |
⏱️ Time Control & Pairings
The U2250 classical tournament consists of seven Swiss-system rounds at 60 minutes plus a 30-second increment.
Each blitz tournament consists of seven rounds at 3 minutes plus a 2-second increment.
| Detail | Information |
|---|---|
| Classical U2250 | 7 rounds; 60 minutes + 30 seconds per move |
| Friday Blitz | 7 rounds; 3 minutes + 2 seconds per move |
| Sunday Blitz | 7 rounds; 3 minutes + 2 seconds per move |
Moreover, players should check the published pairings before every round and report any discrepancy immediately. Therefore, each participant should arrive early enough to find the board, prepare the scoresheet when required and follow the arbiter’s instructions.
🏆 Prize Fund
The published classical prize fund is ARS 700,000 / approx. $490.
The published classical prize fund is ARS 700,000 / approx. $490.
♟️ Sections / Groups
The weekend combines one classical IRT and two independent blitz tournaments.
| Section | Information |
|---|---|
| Classical U2250 | August 28–30 |
| 7th IRT Blitz | August 28 at 21:15 |
| 8th IRT Blitz | August 30 at 17:00 |
📝 Registration
In addition, players should retain their payment or registration confirmation and verify that the organizer has added their name to the official participant list.
Meanwhile, international players should check whether the tournament requires a FIDE ID, federation membership, visa documentation or other eligibility evidence.
👤 Organizer
| Organizer Detail | Information |
|---|---|
| Organizer | FM Mariano Loiterstein |
| Representative | Marcos Judewicz |
| Chief Arbiter | IA Nicolás Gabriel García |
| Federation Email | federacion.argentina.ajedrez@gmail.com |
| Phone | +54 223 492-4973 |
| +54 223 528-3478 |
📍 Venue
Hotel Garden – Moreno 2392, Mar del Plata, Buenos Aires Province, Argentina
Hotel Garden hosts the classical and blitz tournaments near the corner of Moreno and Santa Fe streets.
Consequently, players who stay at the property can reach every round without arranging daily transport.
🏨 Accommodation
The organizer traditionally coordinates hotel packages for the Judewicz tournaments. Participants should request the current room, meal and package conditions directly.
Central Mar del Plata also offers many alternative hotels and apartments.
🚆 How to Get There
Mar del Plata connects with Buenos Aires by air, rail, long-distance bus and road.
The hotel stands in the central area and players can reach by local bus, taxi, app-based transport or on foot from nearby accommodation.
| Travel Option | Practical Information |
|---|---|
| By Air | Fly to Astor Piazzolla International Airport, then continue by taxi or transfer. |
| By Train | Use the Buenos Aires–Mar del Plata rail service, then local transport. |
| By Bus | Long-distance buses arrive at Mar del Plata terminal. |
| By Car | Use Moreno 2392 for navigation. |
ℹ️ Other Information
The organizer applies the current FIDE Laws of Chess and the event-specific regulations. Moreover, participants should follow all arbiter instructions, fair-play requirements and venue rules.
In addition, players should recheck the official sources shortly before travel because the organizer may publish operational updates, room assignments or timetable adjustments.
Key Tournament Rules
| Rule | Information |
|---|---|
| Classical | 7 rounds; 60 minutes + 30 seconds per move; U2250 |
| Friday Blitz | 7 rounds; 3 minutes + 2 seconds per move |
| Sunday Blitz | 7 rounds; 3 minutes + 2 seconds per move |
Official Resources
| Resource | Link |
|---|---|
| Chess-Results – Classical | https://chess-results.com/tnr1391608.aspx?lan=1 |
| Chess-Results – Friday Blitz | https://chess-results.com/tnr1391610.aspx?lan=1 |
| Chess-Results – Sunday Blitz | https://chess-results.com/tnr1391611.aspx?lan=1 |
Additional Details
Prize Fund (approx.) - $490
Organizer
♟️ About the Organizer
Mariano Loiterstein is an Argentine FIDE Master, chess tournament organizer, competitive player, and promoter based in Mar del Plata, Buenos Aires Province. His official FIDE profile lists him under Argentina with FIDE ID 102849 and confirms his FIDE Master title. He has been closely involved with the chess community of Mar del Plata for many years, combining tournament organization with regular competitive participation and the promotion of chess literature and equipment. Loiterstein also operates Mariano Libros, a specialist bookshop in central Mar del Plata that maintains a substantial selection of chess books, boards, pieces, clocks, and related materials.
🏆 Tournaments and Chess Events
Loiterstein organizes FIDE-rated classical, rapid, and blitz competitions in Mar del Plata and other communities along Argentina’s Atlantic coast. One of his principal recurring events is the Alejandro Judewicz International Rated Tournament, which reached its 13th edition in 2026. The event includes a classical competition and accompanying blitz tournaments, with sections and prizes for players in different rating categories. The 2026 edition is scheduled for August 28–30 at Hotel Garden in Mar del Plata, and Chess-Results officially identifies FM Mariano Loiterstein as its organizer. He is also involved in the Gran Prix del Atlántico, a circuit bringing rated chess competitions to locations such as Mar del Plata, Miramar, and other coastal cities. His tournament announcements provide direct registration assistance, accommodation packages, schedules, prize information, and contact support for participating players.
🌱 Chess Promotion and Community Activity
Beyond tournament management, Mariano Loiterstein contributes to the visibility and accessibility of chess in the region. His public channels regularly promote upcoming competitions, local chess activities, books, educational material, and events organized by clubs and federations across Argentina. Mariano Libros has become a recognizable meeting and contact point for chess players visiting Mar del Plata, while his mobile number is repeatedly published as the official registration contact for his current tournaments. Loiterstein is also an accomplished local competitor. He has won the Mar del Plata Blitz Prix on numerous occasions and continues to participate in nationally and internationally rated events. Through tournament organization, direct communication with players, and chess-related cultural activity, he supports a broad community that includes juniors, amateur competitors, experienced club players, and titled masters.
Hotels Near the Venue
Find nearby accommodation for this tournament location.
