JSPS Alumni Tournament
Open SwissStandard
12 players participated in this 5-round tournament, held on 06 Dec 2025 in Juja, Kenya. Top 10 Elo average was 893, and top seed was Mathenge Gichuga (🇰🇪 KEN, 1563).
Trevor Chege (🇰🇪 KEN, 0) won with 4.0/5, ahead of Joe Mesh (3.5) and Ngaruiya Aiden Wanaina (3.0). Chege shared the lead from round 4 and broke clear in the final round.
Location
🇰🇪Juja, Kenya
Dates
06 Dec 2025
Time control
Standard: 60 minutes for game
System
Swiss · 5 rounds
Federations · 1 represented
🇰🇪Kenya×11
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTrevor Chege led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
4
1
2
2
1
R5 · LEADER CHANGE06 Dec
Trevor Chege takes the sole lead (4.0/5).
WIN STREAKS · 3 top finishers
Trevor Chege 3 wins (R3–R5)Joe Mesh 3 wins (R3–R5)Mathenge Gichuga 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Trevor Chege | * | — | 1 | — |
| 2Joe Mesh | — | * | — | — |
| 3Mathenge Gichuga | 0 | — | * | 1 |
| 4Gitonga Austin Muthui | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Trevor Chege | 0 | KEN | +10B | −3N | +12B | +8N | +4N | 4.0 | 9.5 | 10.0 | 7.00 | 1572 | 0.0 |
| 2 | Mesh, Joe | 0 | KEN | −8B | =12N | +10B | +3N | +6B | 3.5 | 9.0 | 9.5 | 7.25 | 1476 | 0.0 |
| 3 | Ngaruiya Aiden Wanaina | 1484 | KEN | +12N | +1B | −6N | −2B | +8N | 3.0 | 12.0 | 12.5 | 6.50 | 2241 | +20.4 |
| 4 | Mathenge Gichuga | 1563 | KEN | F | +8N | +5B | +7N | −1B | 3.0 | 11.5 | 11.5 | 7.50 | 2257 | +11.6 |
| 5 | Gitonga Austin Muthui | 1472 | KEN | F | +11B | −4N | +6B | +7N | 3.0 | 9.5 | 9.5 | 6.50 | 1625 | +14.4 |
| 6 | Waihumbu Alvin Nganga | 0 | KEN | =7B | +10N | +3B | −5N | −2N | 2.5 | 12.0 | 13.5 | 5.75 | 1486 | 0.0 |
| 7 | Mahasi Frank Osteen | 0 | KEN | =6N | +9B | +11N | −4B | −5B | 2.5 | 10.5 | 12.0 | 4.75 | 1449 | 0.0 |
| 8 | Njenga Francis | 1441 | KEN | +2N | −4B | +9N | −1B | −3B | 2.0 | 13.5 | 15.5 | 5.50 | 800 | -25.6 |
| 9 | Kamau George Mburu | 0 | KEN | +?B | −7N | −8B | −11N | +12N | 2.0 | 6.5 | 6.5 | 0.50 | 664 | 0.0 |
| 10 | Maina Mitchelle Wandia | 1487 | KEN | −1N | −6B | −2N | +12B | =11B | 1.5 | 11.5 | 12.0 | 1.25 | 1487 | 0.0 |
| 11 | Kanyi Elsie Joyce Wangechi | 1487 | KEN | F | −5N | −7B | +9B | =10N | 1.5 | 9.0 | 9.0 | 2.75 | 1288 | -20.8 |
| 12 | FIDE 10817247 | 0 | — | −3B | =2B | −1N | −10N | −9B | 0.5 | 12.5 | 14.0 | 1.75 | 663 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Ngaruiya Aiden WanainaKEN+20.43.0 pts · #6
- 2Gitonga Austin MuthuiKEN+14.43.0 pts · #5
- 3Mathenge GichugaKEN+11.63.0 pts · #4
Top rating losers
- 1Njenga FrancisKEN-25.62.0 pts · #10
- 2Kanyi Elsie Joyce WangechiKEN-20.81.5 pts · #9
- 3FIDE 108172470.00.5 pts · #11