CChessStats

34. Int. Open Feffernitz 2025 A-Gruppe

SwissStandard

43 players participated in this 9-round tournament, held from 16 Aug 2025 to 23 Aug 2025 in Feistritz an der Drau, Austria. 8 titled players from 8 federations. Top 10 Elo average was 2205, and top seed was Rick Lahaye (🇳🇱 NED, 2380).

Alexandr Lauda (🇲🇩 MDA, CM, 2154) won with 7.5/9, ahead of Rick Lahaye (6.5) and Leon Mazi (6.5). Lauda won solo starting round 4.

The biggest upset came in round 1: Venkata Narayanaswamy Dhanesh (1871) beat Blaz Debevec (CM, 2159), a +288-point gap.

Location
🇦🇹Feistritz an der Drau, Austria
Dates
16 Aug 2025 → 23 Aug 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 9 rounds
Top seed
🇳🇱Rick Lahaye2380
Avg top 10
2,205
Participants
43
Titled players · 8
IM×2
FM×4
CM×2
Federations · 8 represented
🇦🇹Austria×18
🇩🇪Germany×11
🇸🇮Slovenia×6
🇳🇱Netherlands×3
🇹🇷Turkiye×1
🇮🇪Ireland×1
🇭🇷Croatia×1
🇲🇩Moldova×1
Top 3
  • 🥇
    CMAlexandr Lauda
    🇲🇩MDA·2154
    7.5pts·2420perf+61.2
  • 🥈
    Rick Lahaye
    🇳🇱NED·2380
    6.5pts·2317perf-4.1
  • 🥉
    IMLeon Mazi
    🇸🇮SLO·2290
    6.5pts·2252perf-1.0

How it unfolded

Top 6 · 9 rounds

CM Alexandr Lauda led from R4; +1.0-point edge over the runner-up.

Co-leaders
16
7
2
1
1
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9
Lauda7.5Lahaye6.5Mazi6.5Praznik6Rempe6Mandekic6
R4–R9 · LEAD HELD

CM Alexandr Lauda never relinquished the lead after R4; final gap +1.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

CM Alexandr Lauda beat Rick Lahaye (White).

WIN STREAKS · 2 top finishers

CM Alexandr Lauda 6 wins (R1–R6)Rick Lahaye 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1CMAlexandr Lauda*
1
1
½
2Rick Lahaye
0
*
1
½
3IMLeon Mazi
0
0
*—
4IMNiko Praznik
½
½
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Lauda, AlexandrCM2154MDA+31B+38N+4B+2B+7N+3N=5B=6B=17N7.545.048.039.752420+61.2
2Lahaye, Rick2380NED+23B+10N+3B−1N=5B+17N+4B=9N=6B6.546.550.534.502317-4.1
3Mazi, LeonIM2290SLO+33N+11B−2N+12B+8N−1B+20N+5N=4B6.545.549.032.002252-1.0
4Rempe, JonasFM2304GER+9N+28B−1N=6B+19N+7B−2N+8N=3N6.047.051.030.752261-5.6
5Kesik, Klaus-DieterFM2163GER+13B=14N=7N+18B=2N+25B=1N−3B+11N6.046.050.031.002203+11.4
6Praznik, NikoIM2302SLO+16B+19N=25B=4N=17B+23N=8B=1N=2N6.043.047.030.252232-5.4
7Mandekic, IvanFM2110CRO+24B+43N=5B+25N−1B−4N=15B+23N+9B6.041.541.522.502132+8.4
8Pacher, Simon2064AUT=26N=18B+27N+14B−3B+12N=6N−4B=15N5.042.046.023.752074+1.8
9Dekker, Jasper1907NED−4B+34N−17B+32N=27B+29N+10B=2B−7N5.039.543.021.252071+33.6
10Hafner, Robert2031AUT+37N−2B=26N+16B=20N=18B−9N+39B=12N5.037.540.019.501975-14.6
11Logar, Metod1960SLO+29B−3N=32B+38N−25B+24N=17B+18N−5B5.037.040.019.502027+14.2
12Abou Wally, Adrian1942GER=36N+40B=18N−3N+24B−8B+27N=13N=10B5.037.038.518.251973+5.6
13Goeschl, Ortrun1878AUT−5N−30B+34N+39B−14N+26B+19N=12B=20B5.036.038.519.251953+16.8
14Saxer, Bernhard1935AUT+41N=5BF−8N+13B−20B=39N+26B+21N5.033.033.019.252023+18.0
15Markun, Ozbej1939SLO+39B−25N+43B−17N=33B+37N=7N=21B=8B5.033.033.015.001988+13.6
16Stingl, Karlheinz1904GER−6N+42B=28N−10N−29B+41B=22N+30B+27N5.032.533.514.251964+11.6
17Debevec, BlazCM2159SLO−18N+36B+9N+15B=6N−2B=11NF=1B4.544.047.022.252083-12.4
18Dhanesh, Venkata Narayanaswamy1871SGP+17B=8N=12B−5N+31B=10N=21N−11B=19N4.539.543.020.002015+66.0
19Ploessnig, Michael1969AUT+42N−6B=30N+26B−4B=27N−13B+24N=18B4.537.038.015.001947-7.8
20Eder, Benjamin1914AUT=40N=21B=41N+30B=10B+14N−3BF=13N4.535.537.017.251968+21.6
21Praznik, AntonFM1986SLO=32B=20N=24B+22N−23B+33N=18B=15N−14B4.535.038.518.751888-24.2
22Kesik, Marco1839GERFF+40N−21B=30N=28B=16B+35N+23B4.526.026.015.252000+30.8
23Carton, Patrick1910IRL−2N=37B+36N+41B+21N−6B=25N−7B−22N4.037.539.012.501967+9.0
24Tscharnuter, Alexandra1855AUT−7N+35B=21N+28B−12N−11B+29N−19B=26N4.037.040.515.751913+13.6
25Leitner, Gerald2122AUT+27N+15B=6N−7B+11N−5N=23BFF4.036.036.019.002085-5.2
26Gasser, Michael1841AUT=8B=32N=10B−19N+38B−13N+35B−14N=24B4.035.538.515.251873+15.6
27Dekker, Albert1858NED−25B+39N−8B+35N=9N=19B−12B+37N−16B4.035.037.513.751898+9.4
28Knaller, Christoph2052AUT+34B−4N=16B−24N=32B=22N=37B=33N=31B4.033.536.515.001864-44.0
29Istillozlu, Tugra1812TUR−11N=33B−37N+40B+16N−9B−24B=31N+36N4.032.033.513.001817+3.2
30Gleis, Wolfgang1790GERF+13N=19B−20N=22B=31N=33B−16N=32B3.534.034.014.751844+11.0
31Gerlach, Florian1863GER−1N−41B=35N+36B−18N=30B=34N=29B=28N3.533.535.012.251812-14.2
32Laustsen, Karl-Johan1832GER=21N=26B=11N−9B=28N−39B=36N=34B=30N3.532.535.013.751806-7.2
33Wirth, Steffen1896GER−3B=29N=38B+43N=15N−21B=30N=28BF3.530.530.59.751847-11.0
34Jaeger, Manfred1837AUT−28N−9B−13B+42N−36N+40B=31B=32N=38B3.528.529.57.501768-17.8
35Griessnig, Thomas1929AUT−38B−24N=31B−27B+40N+36B−26N−22B+43N3.527.527.56.251704-52.4
36Zang, Yuran1807AUT=12B−17N−23B−31N+34B−35N=32B+40N−29B3.031.533.09.251764-23.6
37Kainz, Josef1835AUT−10B=23N+29BF+41N−15B=28N−27BF3.027.527.59.501861+3.8
38Burger, Clemens1753AUT+35N−1B=33N−11B−26NFF+43B=34N3.027.027.07.001820+20.4
39Wiesinger, Johann1798AUT−15N−27BF−13N+43B+32N=14B−10NF2.527.527.56.001747-9.4
40Kuehn, Marion1715GER=20B−12N−22B−29N−35B−34N+43B−36BF1.528.028.02.251568-55.2
41Hackl, Christian1777AUT−14B+31N=20B−23N−37B−16NFFF1.525.025.05.751701-11.2
42Suster, Otto1826AUT−19B−16NF−34BF+43NFFF1.013.013.00.001603-21.4
43Traber, Heidi1472GERF−7B−15N−33B−39N−42B−40N−38N−35B0.026.026.00.001023-18.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
34. Int. Open Feffernitz 2025 A-Gruppe — Feistritz an der Drau, Austria | Chess Tournament Results | ChessStats