Kenya National Junior Chess Championship - Open
Open SwissStandard
39 players participated in this 6-round tournament, held from 27 Sept 2025 to 28 Sept 2025 in Nairobi, Kenya. 2 titled players. Top 10 Elo average was 1784, and top seed was Hawi Kaloki (🇰🇪 KEN, 1957).
Kuka Kyle (🇰🇪 KEN, 1951) won with 5.5/6, ahead of Waweru Davidson Mugo (5.5) and Hawi Kaloki (4.5). Kyle shared the lead from round 5, winning on tie-break.
The biggest upset came in round 2: Kahara Ethan Kariuki (1619) beat Aguda Lwanga (CM, 1842), a +223-point gap.
Location
🇰🇪Nairobi, Kenya
Dates
27 Sept 2025 → 28 Sept 2025
Time control
Standard: 90 minutes for the whole game
System
Swiss · 6 rounds
Titled players · 2
CM×2
Federations · 1 represented
🇰🇪Kenya×34
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsTight race until R6; 2 players tied at 5.5/6, decided on Buchholz.
Co-leaders
18
10
2
1
2
2
R6 · TIEBREAK CLUSTER
2 players finish on 5.5/6. Kyle takes the title on Buchholz Cut1 (22.0).
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Kuka Kyle drew with Waweru Davidson Mugo (Black).
WIN STREAKS · 2 top finishers
Kuka Kyle 3 wins (R4–R6)Waweru Davidson Mugo 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Kuka Kyle | * | ½ | 1 | — |
| 2Waweru Davidson Mugo | ½ | * | — | — |
| 3Hawi Kaloki | 0 | — | * | 1 |
| 4Paul Jnr Olando | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kuka Kyle | 1951 | KEN | +15N | +11B | =2N | +5B | +3N | +7B | 5.5 | 22.0 | 25.5 | 22.75 | 2119 | +35.6 |
| 2 | Waweru Davidson Mugo | 1700 | KEN | +26B | +20N | =1B | +17N | +6B | +8N | 5.5 | 19.5 | 21.5 | 18.75 | 2072 | +92.4 |
| 3 | Kaloki, Hawi | 1957 | KEN | +13B | +9N | =17B | +4N | −1B | +6N | 4.5 | 21.5 | 24.5 | 17.50 | 1923 | -4.0 |
| 4 | Olando, Paul Jnr | 1772 | KEN | +29N | +12B | =5N | −3B | +17N | +24B | 4.5 | 17.5 | 19.5 | 13.00 | 1826 | +16.4 |
| 5 | Kahara Ethan Kariuki | 1619 | KEN | +33N | +7B | =4B | −1N | +12N | =10B | 4.0 | 21.5 | 22.5 | 12.75 | 1861 | +62.0 |
| 6 | Lwanga, OdongoCM | 1759 | KEN | +39N | +24B | +14N | +8B | −2N | −3B | 4.0 | 20.0 | 20.0 | 10.00 | 1762 | +2.4 |
| 7 | Lwanga, AgudaCM | 1842 | KEN | +31B | −5N | +20B | +18N | +9B | −1N | 4.0 | 19.5 | 21.5 | 12.00 | 1703 | -14.0 |
| 8 | Kagambi, Samuel | 1737 | KEN | +22B | +19N | +18B | −6N | +16B | −2B | 4.0 | 19.0 | 22.0 | 12.50 | 1657 | -18.0 |
| 9 | Jesse Jayden | 1644 | KEN | +34N | −3B | +15N | +14B | −7N | +18B | 4.0 | 18.5 | 19.5 | 11.00 | 1725 | +21.6 |
| 10 | Mugambi Christian Mwamba | 1769 | KEN | +36B | −14N | +13B | +19N | =24B | =5N | 4.0 | 16.5 | 17.5 | 10.75 | 1597 | -39.6 |
| 11 | Oluchiri Jeshurun Inyangala | 1638 | KEN | +28B | −1N | +36B | −24N | +22B | +23N | 4.0 | 16.0 | 17.0 | 9.00 | 1517 | -21.6 |
| 12 | Rotich Damien Kibet | 1612 | KEN | +37B | −4N | +22B | +23N | −5B | =16N | 3.5 | 18.0 | 19.0 | 8.75 | 1499 | -26.0 |
| 13 | Kiplangat Baraka | 1443 | KEN | −3N | +34B | −10N | +26B | +21N | =14B | 3.5 | 17.0 | 18.0 | 7.75 | 1558 | +16.0 |
| 14 | Anindo Andericus | 1561 | KEN | +38N | +10B | −6B | −9N | +33B | =13N | 3.5 | 16.5 | 17.5 | 7.75 | 1566 | -0.8 |
| 15 | Osidiana Eli | 1428 | KEN | −1B | +26N | −9B | =28N | +27B | +25N | 3.5 | 16.0 | 18.0 | 7.50 | 1607 | +33.2 |
| 16 | Jaeger Nyamongo Omari | 1480 | KEN | +30B | −17N | +32B | +27N | −8N | =12B | 3.5 | 14.5 | 16.0 | 7.25 | 1565 | +16.4 |
| 17 | Mbaabu Cyprian | 1705 | KEN | +25N | +16B | =3N | −2B | −4B | =19N | 3.0 | 21.0 | 23.5 | 9.75 | 1610 | -26.0 |
| 18 | Jean-Christophe Mugisha | 1523 | KEN | +27N | +21B | −8N | −7B | +29N | −9N | 3.0 | 17.0 | 19.0 | 7.00 | 1500 | +1.2 |
| 19 | Waweru Trevor Kipngetich | 1510 | KEN | +35N | −8B | +29N | −10B | =25N | =17B | 3.0 | 15.5 | 16.5 | 5.75 | 1464 | -5.6 |
| 20 | Adriel Baraka | 1467 | KEN | +32N | −2B | −7N | −25B | +28B | +33N | 3.0 | 15.5 | 16.5 | 4.50 | 972 | -12.0 |
| 21 | Kayden Sankau Oloitiptip | 0 | KEN | =23B | −18N | =25N | +30B | −13B | +26N | 3.0 | 14.0 | 16.0 | 6.75 | 1366 | 0.0 |
| 22 | Ethan Kiptoo Terigin | 0 | KEN | −8N | +35B | −12N | +32B | −11N | +34B | 3.0 | 14.0 | 15.0 | 3.50 | 862 | 0.0 |
| 23 | Marc-Antoine Ishimwe Ndagijimana | 1481 | KEN | =21N | =27B | +33N | −12B | +35N | −11B | 3.0 | 13.5 | 14.5 | 4.50 | 1328 | -20.4 |
| 24 | Wema Dylan | 1496 | KEN | F | −6N | +37B | +11B | =10N | −4N | 2.5 | 17.5 | 17.5 | 7.00 | 1647 | +26.8 |
| 25 | Gian Wema | 0 | KEN | −17B | =30N | =21B | +20N | =19B | −15B | 2.5 | 15.5 | 17.5 | 7.00 | 1440 | 0.0 |
| 26 | Isaac Bahati | 0 | KEN | −2N | −15B | +38N | −13N | +31B | −21B | 2.0 | 17.5 | 18.5 | 3.00 | 723 | -42.8 |
| 27 | Lemuel Ngunjiri | 1553 | KEN | −18B | =23N | +30B | −16B | −15N | =28N | 2.0 | 15.0 | 17.0 | 4.50 | 1144 | -79.2 |
| 28 | Jayden Hiyari Mwamtsi | 0 | KEN | −11N | −29B | +39N | =15B | −20N | =27B | 2.0 | 14.5 | 14.5 | 2.75 | 1328 | 0.0 |
| 29 | Sardana Aseem | 0 | KEN | −4B | +28N | −19B | +37N | −18B | F | 2.0 | 13.5 | 14.5 | 3.00 | 787 | 0.0 |
| 30 | FIDE 554001897 | 0 | — | −16N | =25B | −27N | −21N | +37B | =32B | 2.0 | 12.5 | 13.5 | 3.00 | 714 | 0.0 |
| 31 | FIDE 554003296 | 0 | — | −7N | −33B | +34N | −35B | −26N | +39B | 2.0 | 9.0 | 9.0 | 1.00 | 826 | 0.0 |
| 32 | FIDE 10885153 | 0 | — | −20B | F | −16N | −22N | +38B | =30N | 1.5 | 12.5 | 12.5 | 2.00 | 671 | 0.0 |
| 33 | Jayden Kihuria | 0 | KEN | −5B | +31N | −23B | F | −14N | −20B | 1.0 | 15.5 | 16.5 | 2.00 | 732 | 0.0 |
| 34 | FIDE 10854215 | 0 | — | −9B | −13N | −31B | +39B | F | −22N | 1.0 | 13.5 | 13.5 | 0.00 | 741 | 0.0 |
| 35 | Oscar Jesus | 0 | KEN | −19B | −22N | F | +31N | −23B | F | 1.0 | 13.0 | 13.0 | 2.00 | 696 | 0.0 |
| 36 | Carl Anyimu Nyakundi | 0 | KEN | −10N | +38B | −11N | F | F | F | 1.0 | 11.0 | 11.0 | 1.00 | 903 | 0.0 |
| 37 | Maiyani Oloitiptip Trevor | 0 | KEN | −12N | +39B | −24N | −29B | −30N | −38B | 1.0 | 11.0 | 11.0 | 0.00 | 754 | 0.0 |
| 38 | Mugambi Nathan Baraka | 0 | KEN | −14B | −36N | −26B | F | −32N | +37N | 1.0 | 9.0 | 9.0 | 1.00 | 685 | 0.0 |
| 39 | FIDE 554007305 | 0 | — | −6B | −37N | −28B | −34N | F | −31N | 0.0 | 10.0 | 10.0 | 0.00 | 959 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Waweru Davidson MugoKEN+92.45.5 pts · #2
- 2Kahara Ethan KariukiKEN+62.04.0 pts · #6
- 3Kuka KyleKEN+35.65.5 pts · #1
Top rating losers
- 1Lemuel NgunjiriKEN-79.22.0 pts · #24
- 2Isaac BahatiKEN-42.82.0 pts · #37
- 3Mugambi Christian MwambaKEN-39.64.0 pts · #5
Biggest upsets
- R2+223 Elo gap
- R2+208 Elo gap
- R4+142 Elo gap