NIGERIA NATIONAL OPEN CHESS CHAMPIONSHIP 2025
12 players participated in this 11-round tournament, held from 15 Dec 2025 to 21 Dec 2025 in Lekki, LAGOS., Nigeria. 7 titled players. Top 10 Elo average was 2244, and top seed was Abdulrahman Akintoye ABDULRAHEEM (🇳🇬 NGR, FM, 2317).
Abdulrahman Akintoye ABDULRAHEEM (🇳🇬 NGR, FM, 2317) won with 8.0/11, ahead of Tennyson Ewomazino Olisa (7.0) and Tersee Ferdinand NYUIMA (6.0). ABDULRAHEEM shared the lead from round 5 and won solo starting round 6.
The biggest upset came in round 3: Ajibola OLANREWAJU (2179) beat Abdulrahman Akintoye ABDULRAHEEM (FM, 2317), a +138-point gap.
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How it unfolded
Top 12 · 11 roundsFM Abdulrahman Akintoye ABDULRAHEEM led from R2 onwards, the runner-up race stayed tight.
FM Abdulrahman Akintoye ABDULRAHEEM never relinquished the lead after R2; final gap +1.0 over the runner-up.
FM Abdulrahman Akintoye ABDULRAHEEM beat CM Tennyson Ewomazino Olisa (Black).
FM Abdulrahman Akintoye ABDULRAHEEM went unbeaten across 8 games (R4–R11).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇳🇬FMABDULRAHEEM, Abdulrahman Akintoye | 2317 | * | 1 | ½ | ½ | 1 | ½ | ½ | 0 | 1 | 1 | 1 | 1 | 8.0 | 35.75 | 51.0 | +20.4 | 2392 |
| 2 | 🇳🇬CMOlisa, Tennyson Ewomazino | 2279 | 0 | * | ½ | 1 | 1 | 0 | 1 | 1 | ½ | 1 | — | 1 | 7.0 | 31.25 | 52.0 | +22.4 | 2364 |
| 3 | 🇳🇬NYUIMA, Tersee Ferdinand | 2188 | ½ | ½ | * | 0 | 0 | 1 | 1 | 1 | 1 | ½ | — | ½ | 6.0 | 29.25 | 53.0 | +60.0 | 2296 |
| 5 | 🇳🇬OKHIPO, Bartholomew Emmanuel | 2216 | ½ | 0 | 1 | * | ½ | 1 | 0 | 1 | 0 | ½ | ½ | ½ | 5.5 | 26.25 | 53.5 | +3.2 | 2226 |
| 4 | 🇳🇬IMBalogun, Oluwafemi Daniel | 2194 | 0 | 0 | 1 | ½ | * | 1 | ½ | 0 | 1 | ½ | — | 1 | 5.5 | 24.25 | 53.5 | +18.2 | 2259 |
| 7 | 🇳🇬FMKigigha, Bomo Lovet | 2259 | ½ | 1 | 0 | 0 | 0 | * | ½ | 0 | 1 | 1 | — | 1 | 5.0 | 23.50 | 54.0 | -11.4 | 2217 |
| 6 | 🇳🇬EKUNKE, Odey Goodness | 2195 | ½ | 0 | 0 | 1 | ½ | ½ | * | 0 | ½ | 1 | 0 | 1 | 5.0 | 22.50 | 54.0 | +0.8 | 2192 |
| 9 | 🇳🇬OLANREWAJU, Ajibola | 2179 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | * | 0 | 0 | — | ½ | 4.5 | 24.25 | 54.5 | +2.6 | 2189 |
| 8 | 🇳🇬IMAIKHOJE, Odion | 2280 | 0 | ½ | 0 | 1 | 0 | 0 | ½ | 1 | * | ½ | — | 1 | 4.5 | 19.50 | 54.5 | -28.0 | 2179 |
| 10 | 🇳🇬FMAKINSEYE, Abiola Daniel | 2238 | 0 | 0 | ½ | ½ | ½ | 0 | 0 | 1 | ½ | * | — | 1 | 4.0 | 16.75 | 55.0 | -25.0 | 2147 |
| 11 | 🇳🇬FMEYETONGHAN, Denyefa Callistus | 2273 | 0 | — | — | ½ | — | — | 1 | — | — | — | * | 1 | 2.5 | 9.25 | 56.5 | +2.4 | 2298 |
| 12 | 🇳🇬KEYI, Lucky Musa | 2082 | 0 | 0 | ½ | ½ | 0 | 0 | 0 | ½ | 0 | 0 | 0 | * | 1.5 | 8.00 | 57.5 | -35.2 | 1929 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1NYUIMA, Tersee FerdinandNGR+60.06.0 pts · #3
- 2Olisa, Tennyson EwomazinoCMNGR+22.47.0 pts · #2
- 3ABDULRAHEEM, Abdulrahman AkintoyeFMNGR+20.48.0 pts · #1
- 1KEYI, Lucky MusaNGR-35.21.5 pts · #12
- 2AIKHOJE, OdionIMNGR-28.04.5 pts · #8
- 3AKINSEYE, Abiola DanielFMNGR-25.04.0 pts · #10
- R3+138 Elo gap