Jumuiya Ya Afrika Mashariki 12- Square Series 2026 Major Section- 1st Episode
Open SwissStandard
15 players participated in this 3-round tournament, held on 28 Feb 2026 in Nairobi, Kenya. 1 titled players from 2 federations. Top 10 Elo average was 1868, and top seed was Manyok Chaderek P (🇸🇸 SSD, 2095).
Peter Majur Manyang (🇸🇸 SSD, FM, 2050) won with 3.0/3, ahead of Kaburo Winnie (2.5) and Manyok Chaderek P (2.0). Manyang broke clear in the final round.
The biggest upset came in round 2: Kaburo Winnie (1780) beat Gabriel Njuki (2035), a +255-point gap.
Location
🇰🇪Nairobi, Kenya
Dates
28 Feb 2026
Time control
Standard: 90 minutes for the whole game
System
Swiss · 3 rounds
Titled players · 1
FM×1
Federations · 2 represented
🇰🇪Kenya×13
🇸🇸South Sudan×2
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsFM Peter Majur Manyang led from R3; +0.5-point edge over the runner-up.
Co-leaders
5
3
1
R3–R3 · LEAD HELD
FM Peter Majur Manyang held the sole lead from R3 through R3 without losing it.
R1–R3 · WIN STREAK
FM Peter Majur Manyang won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMPeter Majur Manyang | * | — | 1 | — |
| 2Kaburo Winnie | — | * | — | — |
| 3Manyok Chaderek P | 0 | — | * | — |
| 4Ngong Atem Gak | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Peter Majur ManyangFM | 2050 | SSD | +7B | +4N | +3B | 3.0 | 4.0 | 5.0 | 5.00 | 2652 | +16.8 |
| 2 | Kaburo Winnie | 1780 | KEN | +12B | +5N | =8B | 2.5 | 3.0 | 3.5 | 3.00 | 1956 | +26.8 |
| 3 | Manyok Chaderek P | 2095 | SSD | +10N | +15B | −1N | 2.0 | 4.0 | 4.0 | 1.00 | 1988 | -5.8 |
| 4 | Mugambi Christian Mwamba | 1810 | KEN | +14N | −1B | +11N | 2.0 | 3.5 | 3.5 | 0.50 | 1824 | +5.2 |
| 5 | Njuki, Gabriel | 2035 | KEN | +11N | −2B | +13N | 2.0 | 3.0 | 3.5 | 1.00 | 1881 | -9.4 |
| 6 | Atem Gak, Ngong | 1908 | KEN | F | +9B | +7N | 2.0 | 2.0 | 3.0 | 2.00 | 2404 | +11.6 |
| 7 | Kiruthu Ted Wahome | 1639 | KEN | −1N | +14B | −6B | 1.0 | 5.0 | 5.0 | 0.00 | 1674 | +0.4 |
| 8 | Jayson Kimani Ndarwa | 1585 | KEN | F | =13B | =2N | 1.0 | 4.5 | 5.0 | 1.50 | 1817 | +23.2 |
| 9 | Oddiaga Nigel | 1567 | KEN | F | −6N | +12B | 1.0 | 2.5 | 3.0 | 0.50 | 1670 | +4.0 |
| 10 | Maguor Deng Gheit Longar | 1662 | KEN | −3B | F | +15N | 1.0 | 2.0 | 2.0 | 0.00 | 1954 | +26.4 |
| 11 | Gikandi Bernice Wambui | 1596 | KEN | −5B | =12N | −4B | 0.5 | 4.0 | 4.5 | 0.25 | 1473 | -21.2 |
| 12 | Eliana Ella | 0 | KEN | −2N | =11B | −9N | 0.5 | 3.5 | 4.0 | 0.25 | 1375 | -8.4 |
| 13 | Muli Faraja Mumo | 1851 | KEN | F | =8N | −5B | 0.5 | 3.0 | 4.0 | 0.50 | 1617 | -23.6 |
| 14 | Yator Mugo Waikwa | 1452 | KEN | −4B | −7N | F | 0.0 | 3.0 | 3.0 | 0.00 | 925 | -14.4 |
| 15 | Manyeki Nathaniel | 1846 | KEN | F | −3N | −10B | 0.0 | 3.0 | 3.0 | 0.00 | 1079 | -37.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Kaburo WinnieKEN+26.82.5 pts · #2
- 2Maguor Deng Gheit LongarKEN+26.41.0 pts · #9
- 3Jayson Kimani NdarwaKEN+23.21.0 pts · #10
Top rating losers
- 1Manyeki NathanielKEN-37.20.0 pts · #15
- 2Muli Faraja MumoKEN-23.60.5 pts · #13
- 3Gikandi Bernice WambuiKEN-21.20.5 pts · #12
Biggest upsets
- R2+255 Elo gap
- R3+184 Elo gap