CChessStats

Algerian Senior U50 Chess Championship 2025

Open SwissStandard

22 players participated in this 7-round tournament, held from 07 Aug 2025 to 09 Aug 2025 in Medea, Algeria. Top 10 Elo average was 1742, and top seed was Noureddine Hannoun (🇩🇿 ALG, CM, 2240).

Mohamed Nader (🇩🇿 ALG, 0) won with 5.0/7, ahead of Yacine Khelifa (5.0) and Boualem Zarzar (4.0).

The biggest upset came in round 4: Lyes Yala (1753) beat Abdelkrim Yahiaoui (2148), a +395-point gap.

Location
🇩🇿Medea, Algeria
Dates
07 Aug 2025 → 09 Aug 2025
Time control
Standard: 40 minutes for the game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Avg top 10
1,742
Participants
22
Federations · 1 represented
🇩🇿Algeria×22
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 2 players tied at 5.0/7, decided on Buchholz.

Co-leaders
14
7
4
1
2
1
1
23.55.57R1R2R3R4R5R6R7Saheb takes lead
R6 · LEADER CHANGE09 Aug

Kamel Saheb takes the sole lead (5.5/6).

R7 · TIEBREAK CLUSTER

2 players finish on 5.0/7. Nader takes the title on Buchholz Cut1 (16.0).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Mohamed Nader lost to Yacine Khelifa (Black).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Mohamed Nader*
0
1
2Yacine Khelifa
1
*
3Boualem Zarzar*
4Lyes Yala
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Nader, Mohamed0ALG+4N?B+9N+?B2N+5B+?N5.016.016.011.0018120.0
2Khelifa, Yacine0ALG+11B+?N+?B?N+1B+?N?N5.08.08.08.0017760.0
3Zarzar, Boualem1799ALG18N15B6N+21B+20N+19B+13N4.014.014.56.501734-21.2
4Yala,Lyes1753ALG1B+20N+17B+?N?B+11N?B4.011.511.56.502437+21.2
5Oueld Mohamed, Othmane1742ALG?B+22N+10B?N+?B1N+12B4.011.011.06.002348+10.2
6Hamdouni, Kouider1583ALG=?B12N+3B7N+10B?N+15B3.516.016.09.501698+24.4
7Ilias, Belhadj1670ALG?N+?B=16N+6B?N=?B=9N3.59.09.06.251842+28.4
8Doukari,Ali1743ALG?N13B+21N+20B=?N+16B?B3.57.07.04.001825+17.2
9Madassi, Mohamed1768ALG=10B?N1B+17N=12B=15N=7B3.019.519.58.501732-7.6
10Ibbou, Sid Ali0ALG=9N=?B5N+15B6N14B+16N3.018.518.56.5016570.0
11Labassi, Mustapha1757ALG2N+19B+18N?B+14N4B?N3.016.016.07.001825+10.8
12Khefif, Mohamed1634ALG=?N+6B?N13B=9N+20B5N3.014.514.56.001660+6.8
13Guesmia, Khaled1616ALG?B+8N+?B+12N?B?N3B3.010.510.56.501854+19.0
14Mostaine Boucetta,Brahim1701ALG?N+21B?N+18B11B+10N?B3.08.58.55.501639-3.2
15Lassaci , Mhamed1688ALG?B+3N?B10N+22N=9B6N2.513.513.55.501751+13.6
16Ferrah, Hacene1799ALG+22B?N=7B+?N?B8N10B2.510.010.01.751622-12.8
17Bouzid, Salah1564ALG+?N?B4N9B19N+22B=21N2.59.59.50.251481-23.2
18Bouflah, Mohamed0ALG+3B?N11B14N+21BFF2.010.510.54.5016970.0
19Ait Youcef , Noureddine1651ALG?B11N+22B?N+17B3NF2.09.59.52.501648-0.8
20Abdlaziz, Mabrouk1592ALG?N4BF8N3B12N+22B1.014.514.50.001439-37.2
21Chekired , Mehdi1521ALG?B14N8B3N18NF=17B0.515.015.01.251383-23.2
22Sider, Hellel Habib1463ALG16N5B19NF15B17N20N0.014.514.50.00873-56.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets