Chess Weekend 1800 - 8th ed.
Open SwissStandard
46 players participated in this 7-round tournament, held from 16 Jan 2026 to 18 Jan 2026 in Bucuresti, Romania. 3 federations represented. Top 10 Elo average was 1762, and top seed was Eduard-Alexandru Ilie (🇷🇴 ROU, 1798).
K H N Kalubowila (🇱🇰 SRI, 1759) won with 6.0/7, ahead of Eduard-Alexandru Ilie (5.5) and Andrei Malureanu (5.5). Kalubowila clinched sole first place in the final round.
The biggest upset came in round 2: David-Andrei Calotescu (1494) beat Gheorghe Frent-Lung (1744), a +250-point gap.
Location
🇷🇴Bucuresti, Romania
Dates
16 Jan 2026 → 18 Jan 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Federations · 3 represented
🇷🇴Romania×42
🇱🇰Sri Lanka×2
🇵🇹Portugal×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsK H N Kalubowila led from R4; +0.5-point edge over the runner-up.
Co-leaders
17
9
3
1
2
1
1
R6 · LEADER CHANGE18 Jan
Eduard-Alexandru Ilie takes the sole lead (5.5/6).
R7 · HEAD-TO-HEAD · WINNER VS 2ND
K H N Kalubowila beat Eduard-Alexandru Ilie (White).
WIN STREAKS · 2 top finishers
K H N Kalubowila 4 wins (R1–R4)Eduard-Alexandru Ilie 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1K H N Kalubowila | * | 1 | — | — |
| 2Eduard-Alexandru Ilie | 0 | * | ½ | — |
| 3Andrei Malureanu | — | ½ | * | 1 |
| 4Mihai-Adrian Neagu | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kalubowila, K H N | 1759 | SRI | +11N | +34B | +12N | +5B | −7N | +13B | +2B | 6.0 | 27.0 | 29.0 | 24.50 | 2010 | +39.6 |
| 2 | Ilie, Eduard-Alexandru | 1798 | ROU | +39N | +6B | =3N | +19B | +5N | +7B | −1N | 5.5 | 29.5 | 31.0 | 22.25 | 1947 | +48.0 |
| 3 | Malureanu, Andrei | 1730 | ROU | +30B | +4N | =2B | =7N | +28B | =8N | +13B | 5.5 | 27.0 | 29.5 | 22.25 | 1901 | +54.0 |
| 4 | Neagu, Mihai-Adrian | 1629 | ROU | +15N | −3B | +42N | +12B | +27N | =19B | +7N | 5.5 | 24.5 | 25.5 | 18.25 | 1880 | +74.4 |
| 5 | Bratu, Ioan-Valentin | 1722 | ROU | +31B | +26N | +14B | −1N | −2B | +28N | +12B | 5.0 | 25.5 | 28.0 | 16.50 | 1817 | +14.4 |
| 6 | Enache, George-Alexandru | 1685 | ROU | +45B | −2N | −26B | +31N | +23B | +15B | +19N | 5.0 | 22.0 | 22.0 | 13.50 | 1810 | +24.2 |
| 7 | Dragusin, Calin-Ioan | 1732 | ROU | +40N | +27B | +13N | =3B | +1B | −2N | −4B | 4.5 | 29.5 | 31.0 | 17.25 | 1772 | +13.2 |
| 8 | Cioara, Nicolae-Cristian | 1771 | ROU | F | F | +10N | +18B | +11N | =3B | +9N | 4.5 | 22.0 | 22.0 | 19.25 | 2028 | +51.6 |
| 9 | Nastase, Stefan | 1704 | ROU | =41N | −10B | +40N | +37B | +20B | +16N | −8B | 4.5 | 20.0 | 21.5 | 11.75 | 1749 | +10.2 |
| 10 | Batali, Gheorghe | 1739 | ROU | =43B | +9N | −8B | −28N | +46N | +34B | +11N | 4.5 | 18.5 | 18.5 | 10.75 | 1795 | +7.4 |
| 11 | Robescu, Andrei-Georgian | 1611 | ROU | −1B | +21N | +36B | +14N | −8B | +17N | −10B | 4.0 | 26.5 | 28.5 | 13.50 | 1750 | +20.4 |
| 12 | Serbanoiu, Constantin | 1706 | ROU | +44B | +36N | −1B | −4N | +14B | +26N | −5N | 4.0 | 25.5 | 25.5 | 9.00 | 1652 | -6.4 |
| 13 | Butochnov, Victor | 1766 | ROU | +38B | +35N | −7B | +20N | +26B | −1N | −3N | 4.0 | 24.5 | 26.0 | 10.00 | 1740 | -13.2 |
| 14 | Sementov, Andrei | 1773 | ROU | +33N | +22B | −5N | −11B | −12N | +30N | +28B | 4.0 | 22.0 | 24.5 | 11.50 | 1652 | -20.2 |
| 15 | Salcu, Laurentiu | 1781 | ROU | −4B | −30N | +38B | +32N | +24B | −6N | +26B | 4.0 | 22.0 | 23.5 | 10.50 | 1655 | -21.8 |
| 16 | Rautu, Andrei | 1753 | POR | −26B | =31N | =25B | +41N | +35B | −9B | +27N | 4.0 | 18.5 | 20.0 | 9.50 | 1610 | -43.6 |
| 17 | Butochnov, Andriy | 1722 | ROU | −18N | −32B | +45N | +43B | +22N | −11B | +21B | 4.0 | 17.5 | 17.5 | 7.50 | 1620 | -34.8 |
| 18 | Calotescu, David-Andrei | 1494 | ROU | +17B | +23N | −20B | −8N | =21B | −24N | +33B | 3.5 | 22.5 | 25.0 | 11.75 | 1715 | +73.6 |
| 19 | Armeanu, Ninel-Claudiu | 1708 | ROU | F | +43N | +24B | −2N | +30B | =4N | −6B | 3.5 | 22.5 | 22.5 | 9.25 | 1712 | +1.2 |
| 20 | Vladescu, Ovidiu-Viorel | 1709 | ROU | F | +29B | +18N | −13B | −9N | +33N | =24B | 3.5 | 21.0 | 21.0 | 10.75 | 1711 | +0.8 |
| 21 | Nicolescu, Ilie | 1726 | ROU | −34N | −11B | +44N | +29B | =18N | +27B | −17N | 3.5 | 19.5 | 19.5 | 7.75 | 1520 | -33.2 |
| 22 | Ciordas, Andrei-Victor | 1669 | ROU | +42B | −14N | +32B | −26N | −17B | +35N | =25B | 3.5 | 19.0 | 20.0 | 7.25 | 1602 | -11.2 |
| 23 | Frent-Lung, Gheorghe | 1744 | ROU | +32N | −18B | +34N | −27B | −6N | =37B | +42N | 3.5 | 18.0 | 19.0 | 6.50 | 1540 | -25.8 |
| 24 | Cioboata, Luca-Stefan | 1706 | ROU | F | +41B | −19N | +39B | −15N | +18B | =20N | 3.5 | 17.5 | 17.5 | 8.25 | 1696 | +3.2 |
| 25 | Sava, Daniel | 1682 | ROU | −27N | =40B | =16N | −34B | +39N | +36B | =22N | 3.5 | 16.0 | 17.5 | 8.00 | 1651 | -13.6 |
| 26 | Axente, Cristian | 1593 | ROU | +16N | −5B | +6N | +22B | −13N | −12B | −15N | 3.0 | 26.0 | 29.5 | 12.50 | 1678 | +15.0 |
| 27 | Istrate, Mihai | 0 | ROU | +25B | −7N | +35B | +23N | −4B | −21N | −16B | 3.0 | 24.5 | 26.5 | 9.00 | 1657 | 0.0 |
| 28 | Cernat, Alexandru-Valentin | 0 | ROU | −35B | +38N | +33N | +10B | −3N | −5B | −14N | 3.0 | 23.5 | 25.0 | 8.50 | 1652 | 0.0 |
| 29 | Mihalache, Iulian | 1601 | ROU | F | −20N | =31B | −21N | +44B | =32N | +30B | 3.0 | 14.5 | 14.5 | 5.00 | 1575 | -8.8 |
| 30 | Dumitrescu, Matei | 1555 | ROU | −3N | +15B | =39N | +46B | −19N | −14B | −29N | 2.5 | 21.5 | 21.5 | 4.75 | 1519 | -12.4 |
| 31 | Craciun, Dimitri | 1517 | ROU | −5N | =16B | =29N | −6B | =38B | F | +34N | 2.5 | 20.5 | 20.5 | 6.25 | 1600 | +20.8 |
| 32 | Rinescu, Maria | 1585 | ROU | −23B | +17N | −22N | −15B | +42N | =29B | −37N | 2.5 | 20.0 | 21.0 | 6.50 | 1476 | -2.0 |
| 33 | Vintila, Ionut-Vicentiu | 1627 | ROU | −14B | +45N | −28B | +36N | =37N | −20B | −18N | 2.5 | 18.0 | 18.0 | 3.00 | 1429 | -26.6 |
| 34 | Tudor, George S. | 1546 | ROU | +21B | −1N | −23B | +25N | F | −10N | −31B | 2.0 | 23.5 | 23.5 | 7.00 | 1575 | +4.0 |
| 35 | Podoleanu, Daniel | 1668 | ROU | +28N | −13B | −27N | +42B | −16N | −22B | F | 2.0 | 18.5 | 18.5 | 4.00 | 934 | -51.6 |
| 36 | Vilcu, Cristian-Marian | 0 | ROU | F | −12B | −11N | −33B | +40N | −25N | +45B | 2.0 | 15.5 | 15.5 | 1.50 | 1488 | 0.0 |
| 37 | Hamdan, Mustafa | 1492 | ROU | F | F | F | −9N | =33B | =23N | +32B | 2.0 | 13.0 | 13.0 | 5.50 | 1638 | +31.2 |
| 38 | Radusca, Radu | 1620 | ROU | −13N | −28B | −15N | +40B | =31N | F | F | 1.5 | 16.5 | 16.5 | 2.75 | 1590 | -4.4 |
| 39 | Moroianu, George | 1664 | ROU | −2B | +44N | =30B | −24N | −25B | F | F | 1.5 | 16.5 | 16.5 | 1.25 | 1493 | -23.4 |
| 40 | Dima, Stefan-Matei | 1574 | ROU | −7B | =25N | −9B | −38N | −36B | F | +44B | 1.5 | 16.0 | 16.0 | 1.75 | 1493 | -32.4 |
| 41 | Tuduruta, Ovidiu | 1431 | ROU | =9B | −24N | F | −16B | +43N | F | F | 1.5 | 12.5 | 12.5 | 2.75 | 1598 | +25.6 |
| 42 | Enuca, Radu-Liviu | 0 | ROU | −22N | F | −4B | −35N | −32B | +44N | −23B | 1.0 | 17.0 | 17.0 | 0.00 | 1331 | 0.0 |
| 43 | Voinescu, Carol-Andrei | 1584 | ROU | =10N | −19B | F | −17N | −41B | F | F | 0.5 | 13.5 | 13.5 | 2.25 | 1336 | -44.4 |
| 44 | Bejan, Eric | 1435 | ROU | −12N | −39B | −21B | F | −29N | −42B | −40N | 0.0 | 14.5 | 14.5 | 0.00 | 862 | -46.8 |
| 45 | Jayasinghe, J M A K | 1408 | SRI | −6N | −33B | −17B | F | F | F | −36N | 0.0 | 14.0 | 14.0 | 0.00 | 882 | -20.4 |
| 46 | FIDE 1245384 | 0 | — | F | F | F | −30N | −10B | F | F | 0.0 | 9.5 | 9.5 | 0.00 | 851 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Neagu, Mihai-AdrianROU+74.45.5 pts · #14
- 2Calotescu, David-AndreiROU+73.63.5 pts · #12
- 3Malureanu, AndreiROU+54.05.5 pts · #6
Top rating losers
- 1Podoleanu, DanielROU-51.62.0 pts · #43
- 2Bejan, EricROU-46.80.0 pts · #45
- 3Voinescu, Carol-AndreiROU-44.40.5 pts · #42
Biggest upsets
- R2+250 Elo gap
- R1+228 Elo gap
- R2+226 Elo gap