SOUTH WEST ZONAL CHESS CHAMPIONSHIP 2025 FEMALE
Open SwissStandard
39 players participated in this 7-round tournament, held from 07 Aug 2025 to 10 Aug 2025 in Lagos, Nigeria. 3 titled players. Top 10 Elo average was 1902, and top seed was Deborah Ebimobo-ere QUICKPEN (🇳🇬 NGR, WFM, 2082).
Deborah Ebimobo-ere QUICKPEN (🇳🇬 NGR, WFM, 2082) won with 6.5/7, ahead of Michelle Chiamaka NWANKWO (6.0) and Bridget MICHAEL (5.5). QUICKPEN broke clear in the final round.
The biggest upset came in round 3: Mayomi Olayinka OYELESE (1617) beat Joy Felix ERHABOR (1778), a +161-point gap.
Location
🇳🇬Lagos, Nigeria
Dates
07 Aug 2025 → 10 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Titled players · 3
WIM×1
WFM×2
Federations · 1 represented
🇳🇬Nigeria×36
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsWFM Deborah Ebimobo-ere QUICKPEN led from R7; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R7.
Co-leaders
16
7
3
2
2
2
1
R7–R7 · LEAD HELD
WFM Deborah Ebimobo-ere QUICKPEN held the sole lead from R7 through R7 without losing it.
R3 · HEAD-TO-HEAD · WINNER VS 2ND
WFM Deborah Ebimobo-ere QUICKPEN beat WFM Michelle Chiamaka NWANKWO (Black).
WIN STREAKS · 3 top finishers
WFM Deborah Ebimobo-ere QUICKPEN 4 wins (R1–R4)WFM Michelle Chiamaka NWANKWO 4 wins (R4–R7)WIM Bridget MICHAEL 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1WFMDeborah Ebimobo-ere QUICKPEN | * | 1 | ½ | — |
| 2WFMMichelle Chiamaka NWANKWO | 0 | * | 1 | — |
| 3WIMBridget MICHAEL | ½ | 0 | * | — |
| 4Eunice AJANWACHUKWU | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | QUICKPEN, Deborah Ebimobo-ereWFM | 2082 | NGR | +23N | +22B | +2N | +4B | =3N | +11B | +7N | 6.5 | 27.5 | 30.0 | 27.25 | 2241 | +33.6 |
| 2 | NWANKWO, Michelle ChiamakaWFM | 1954 | NGR | +18B | +14N | −1B | +12N | +29B | +8N | +3B | 6.0 | 28.0 | 30.0 | 23.50 | 2132 | +55.6 |
| 3 | MICHAEL, BridgetWIM | 1977 | NGR | +24N | +20B | +10N | +7B | =1B | +4N | −2N | 5.5 | 29.0 | 31.5 | 22.25 | 2072 | +18.2 |
| 4 | ONOJA, Iyefu Joy | 1981 | NGR | +19B | +6N | +5B | −1N | +14B | −3B | +11N | 5.0 | 30.0 | 33.0 | 21.00 | 1980 | +1.4 |
| 5 | AJANWACHUKWU, Eunice | 1890 | NGR | +25N | +13B | −4N | +15B | −11N | +29B | +12N | 5.0 | 23.5 | 25.5 | 16.50 | 2027 | +20.4 |
| 6 | ERHABOR, Joy Felix | 1778 | NGR | +16N | −4B | −26N | +30B | +35N | +13B | +10N | 5.0 | 21.0 | 22.5 | 15.00 | 1880 | +13.8 |
| 7 | Everestus Joy | 1684 | NGR | =21N | +23B | +27B | −3N | +17B | +9N | −1B | 4.5 | 25.5 | 28.0 | 14.50 | 1881 | +53.6 |
| 8 | OKE, Abiodun | 1795 | NGR | +31B | =17N | =12B | +19N | =9B | −2B | +26N | 4.5 | 23.5 | 25.5 | 13.50 | 1818 | +3.6 |
| 9 | PATRICK, Floresaint | 0 | NGR | −13N | +30B | +21N | +22B | =8N | −7B | +29N | 4.5 | 20.5 | 22.5 | 11.75 | 1734 | 0.0 |
| 10 | Samson, Peace | 1884 | NGR | +11B | +15N | −3B | =17N | =12B | +19N | −6B | 4.0 | 26.0 | 29.0 | 14.75 | 1775 | -16.8 |
| 11 | Abdulsalam Azeezat | 0 | NGR | −10N | +36B | +20N | +27B | +5B | −1N | −4B | 4.0 | 26.0 | 27.5 | 12.00 | 1876 | 0.0 |
| 12 | ADARAMAJA, Temitope | 1835 | NGR | +30N | +39B | =8N | −2B | =10N | +20B | −5B | 4.0 | 24.5 | 25.5 | 10.25 | 1780 | -15.2 |
| 13 | ASUQUO, Eunice | 1712 | NGR | +9B | −5N | +31B | −14N | +16B | −6N | +32B | 4.0 | 24.0 | 26.0 | 12.00 | 1006 | -22.6 |
| 14 | OMORUYI, Sandra Osarugue | 1747 | NGR | +37N | −2B | +24N | +13B | −4N | +15B | F | 4.0 | 24.0 | 25.0 | 11.50 | 1868 | +30.8 |
| 15 | ADEPOJU, Anuoluwayimika | 1736 | NGR | +36N | −10B | +16N | −5N | +32B | −14N | +19B | 4.0 | 21.5 | 23.0 | 10.00 | 1601 | -28.0 |
| 16 | AYENI, Fareedah Oyinlomo | 0 | NGR | −6B | +28N | −15B | +23B | −13N | +24N | =35B | 3.5 | 20.5 | 22.0 | 8.25 | 1664 | 0.0 |
| 17 | Odumade, Yetunde | 1673 | NGR | +38N | =8B | =35N | =10B | −7N | −22B | +21B | 3.5 | 20.0 | 21.0 | 9.00 | 1640 | -9.2 |
| 18 | LAWAL FAUZIAT OLAIDE | 1577 | NGR | −2N | +37B | F | −32B | =36N | +34B | +39N | 3.5 | 14.5 | 15.5 | 4.25 | 1155 | -3.6 |
| 19 | AGUSIONU, Adaeze Zita | 1652 | NGR | −4N | +21B | +32N | −8B | +25N | −10B | −15N | 3.0 | 23.0 | 25.0 | 7.50 | 1542 | -28.4 |
| 20 | EMMANUEL, Ogechi | 1737 | NGR | +34B | −3N | −11B | +31N | +24B | −12N | −27B | 3.0 | 20.5 | 22.0 | 6.00 | 1578 | -16.8 |
| 21 | PATRICK, Merrilyn | 0 | NGR | =7B | −19N | −9B | =34N | +31B | +30B | −17N | 3.0 | 19.5 | 21.0 | 7.00 | 1388 | 0.0 |
| 22 | IGBIGBI, Lily Nora Ogheneyerovwo | 1759 | NGR | +33B | −1N | F | −9N | =26B | +17N | F | 2.5 | 24.5 | 26.5 | 6.75 | 1791 | +2.4 |
| 23 | AFOLABI, Motunrayo Zainab | 1657 | NGR | −1B | −7N | +34B | −16N | +33B | −26N | =28B | 2.5 | 21.5 | 23.0 | 4.75 | 978 | -45.6 |
| 24 | UNUIGBOJE, Gabrielle Odion | 1594 | NGR | −3B | +33N | −14B | +28N | −20N | −16B | =25N | 2.5 | 21.0 | 23.0 | 5.75 | 1422 | -32.0 |
| 25 | UNUIGBOJE, Danielle Omon | 1508 | NGR | −5B | +34N | −29B | +33N | −19B | −32N | =24B | 2.5 | 16.5 | 18.0 | 4.75 | 1398 | -20.0 |
| 26 | OYELESE, Mayomi Olayinka | 1617 | NGR | F | F | +6B | −29N | =22N | +23B | −8B | 2.5 | 16.5 | 16.5 | 8.75 | 1747 | +17.2 |
| 27 | CHUKURA, Adanwakaego Ololade | 1678 | NGR | +28B | F | −7N | −11N | F | =35B | +20N | 2.5 | 16.5 | 16.5 | 6.25 | 1748 | +5.4 |
| 28 | TERIBA, Eriaseoluwa | 0 | NGR | −27N | −16B | +37N | −24B | −34N | +38B | =23N | 2.5 | 13.5 | 14.5 | 3.25 | 1371 | 0.0 |
| 29 | NZEAKO, Chizoba Treasure | 1744 | NGR | F | F | +25N | +26B | −2N | −5N | −9B | 2.0 | 20.5 | 20.5 | 5.00 | 1743 | 0.0 |
| 30 | FIDE 8537380 | 0 | — | −12B | −9N | +36B | −6N | +38B | −21N | −37N | 2.0 | 19.0 | 20.0 | 2.50 | 1007 | 0.0 |
| 31 | ANANDH, Anjelika Reddiyar | 0 | NGR | −8N | +38B | −13N | −20B | −21N | +37B | −33N | 2.0 | 17.5 | 18.5 | 2.00 | 948 | 0.0 |
| 32 | DAFIEWHAREN, Divine | 0 | NGR | F | F | −19B | +18N | −15N | +25B | −13N | 2.0 | 17.0 | 17.0 | 6.00 | 1566 | 0.0 |
| 33 | EVBUOMWAN, Victoria Esohe | 0 | NGR | −22N | −24B | +38N | −25B | −23N | F | +31B | 2.0 | 13.0 | 13.0 | 3.00 | 831 | 0.0 |
| 34 | OMOBOWALE, Omolara | 0 | NGR | −20N | −25B | −23N | =21B | +28B | −18N | −38N | 1.5 | 17.0 | 18.0 | 4.00 | 821 | 0.0 |
| 35 | Iguehi Elora Oise | 1845 | NGR | F | F | =17B | F | −6B | =27N | =16N | 1.5 | 15.5 | 15.5 | 4.75 | 1585 | -20.8 |
| 36 | OMOEFE, Efemena Daphne | 0 | NGR | −15B | −11N | −30N | +37B | =18B | −39N | F | 1.5 | 15.5 | 15.5 | 2.75 | 1463 | 0.0 |
| 37 | FIDE 8513228 | 0 | — | −14B | −18N | −28B | −36N | F | −31N | +30B | 1.0 | 15.5 | 15.5 | 2.00 | 863 | 0.0 |
| 38 | FIDE 8531919 | 0 | — | −17B | −31N | −33B | F | −30N | −28N | +34B | 1.0 | 13.5 | 13.5 | 1.50 | 873 | 0.0 |
| 39 | WILLIAMS, Anita Ewooritse | 0 | NGR | F | −12N | F | F | F | +36B | −18B | 1.0 | 13.0 | 13.0 | 1.50 | 906 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1NWANKWO, Michelle ChiamakaWFMNGR+55.66.0 pts · #1
- 2Everestus JoyNGR+53.64.5 pts · #11
- 3QUICKPEN, Deborah Ebimobo-ereWFMNGR+33.66.5 pts · #2
Top rating losers
- 1AFOLABI, Motunrayo ZainabNGR-45.62.5 pts · #33
- 2UNUIGBOJE, Gabrielle OdionNGR-32.02.5 pts · #26
- 3AGUSIONU, Adaeze ZitaNGR-28.43.0 pts · #24
Biggest upsets
- R3+161 Elo gap
- R7+106 Elo gap