CChessStats

NIGERIA NATIONAL WOMEN CHESS CHAMPIONSHIP QUALIFIERS 2025

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18 players participated in this 9-round tournament, held from 04 Nov 2025 to 08 Nov 2025 in Chevron Recreation Centre, Gbagada, LAGOS., Nigeria. Top 10 Elo average was 1821, and top seed was Eunice AJANWACHUKWU (🇳🇬 NGR, 1909).

Peace Samson (🇳🇬 NGR, 1867) won with 7.5/9, ahead of Eunice AJANWACHUKWU (7.5) and Pelomoh Jessica (6.5). Samson took the lead from round 5, winning on tie-break.

The biggest upset came in round 3: Mercy Iliya NAMARWA (1642) beat Joy Felix ERHABOR (1792), a +150-point gap.

Location
🇳🇬Chevron Recreation Centre, Gbagada, LAGOS., Nigeria
Dates
04 Nov 2025 → 08 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Top seed
🇳🇬Eunice AJANWACHUKWU1909
Avg top 10
1,821
Participants
18
Federations · 1 represented
🇳🇬Nigeria×18
Top 3

How it unfolded

Top 6 · 9 rounds

Tight race until R4; 2 players tied at 7.5/9, decided on Buchholz.

Co-leaders
6
3
4
1
1
1
1
2
2
2.54.579R1R2R3R4R5R6R7R8R9Samson takes lead
AJANWACHUKWU7.5Samson7.5Jessica6.5ERHABOR5.5IGBIGBI5MONDAY5
R5 · LEADER CHANGE06 Nov

Peace Samson takes the sole lead (4.0/5).

R9 · TIEBREAK CLUSTER

2 players finish on 7.5/9. Samson takes the title on Buchholz Cut1 (41.5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Eunice AJANWACHUKWU lost to Peace Samson (Black).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Eunice AJANWACHUKWU*
0
1
—
2Peace Samson
1
*
½
½
3Pelomoh Jessica
0
½
*
1
4Joy Felix ERHABOR—
½
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Samson, Peace1867NGR+6B+7N=3B=14N+2B+5B+15N=4B+12N7.541.545.037.252076+44.4
2AJANWACHUKWU, Eunice1909NGR=17N+9B+11N+3B−1N+14B+8B+5N+6B7.540.543.034.252045+27.6
3Pelomoh Jessica1840NGR+16N+4B=1N−2N+7B=15B+14N+8B=5B6.541.544.028.501957+28.2
4ERHABOR, Joy Felix1792NGR+5B−3N−8B−18N+12B+10N+13B=1N+7B5.540.542.525.751842+12.6
5MONDAY, MUSA Naomi1720NGR−4N+16B+6B+11N=14B−1N+7B−2B=3N5.044.046.521.001858+65.6
6IGBIGBI, Lily Nora Ogheneyerovwo1746NGR−1N+18B−5N−15B+10N+16B+11N+9B−2N5.039.041.017.501828+39.6
7OKE, Abiodun1799NGR+18N−1B+10N=8B−3N+9B−5N+15B−4N4.541.543.516.751764-8.8
8NAMARWA, Mercy Iliya1642NGR+12B−11B+4N=7N=9B+13B−2N−3N=10B4.541.045.020.251796+72.4
9EBIAKPO, Ebidise Sunshine1733NGR=14B−2N+12B=13B=8N−7N+17B−6N+15B4.536.539.016.001782+23.2
10ISHAYA, Rejoice Kira1727NGR−11N+12N−7B+17N−6B−4B+16N+14B=8N4.533.536.014.751767+9.2
11Osundinakin, Omoyemi1816NGR+10B+8N−2B−5B−13N+18N−6B−12N+17N4.037.039.013.501709-25.8
12ABDUSSALAM, Mardhiyyah Kehinde1778NGR−8N−10B−9N+16B−4N+17N+18B+11B−1B4.035.537.511.001714-15.6
13EBIAKPO, Ebisinde Treasure1743NGR=15N+17B−14B=9N+11B−8N−4N−16B+18B4.030.532.512.501719-20.0
14ADARAMAJA, Temitope1820NGR=9N+15B+13N=1B=5N−2N−3B−10N−16B3.543.045.516.001713-26.6
15Iguehi Elora Oise1824NGR=13B−14N=17B+6N+18B=3N−1B−7N−9N3.538.040.013.501703-30.4
16NZEAKO, Chizoba Treasure1744NGR−3B−5N−18B−12N=17B−6N−10B+13N+14N2.535.037.08.751598-35.0
17OZEMOJE, Victoria Olohijie1760NGR=2B−13N=15N−10B=16N−12B−9N+18N−11B2.534.536.58.751614-69.6
18EMMANUEL, Ogechi1720NGR−7B−6N+16N+4B−15N−11B−12N−17B−13N2.033.035.58.001561-35.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets