Campeonato Nacional Categorias Menores Pares 2026 U10 Absoluto
Open SwissStandard
21 players participated in this 7-round tournament, held from 21 Feb 2026 to 22 Feb 2026 in San Jose, Costa Rica. Top 10 Elo average was 597, and top seed was Atharv Marwaha (🇨🇷 CRC, 1539).
Atharv Marwaha (🇨🇷 CRC, 1539) won with 6.5/7. Marwaha shared the lead from round 5 and won solo starting round 6.
Location
🇨🇷San Jose, Costa Rica
Dates
21 Feb 2026 → 22 Feb 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Federations · 1 represented
🇨🇷Costa Rica×9
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsAtharv Marwaha led from R6; +1.0-point edge over the runner-up.
Co-leaders
21
10
4
1
2
1
1
R6 · LEADER CHANGE22 Feb
Atharv Marwaha takes the sole lead (5.5/6).
WIN STREAKS · 2 top finishers
Atharv Marwaha 3+3 wins (R1–R3, R5–R7)Andres Matamoros Alfaro 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Atharv Marwaha | * | — | ½ | 1 |
| 2FIDE 6567266 | — | * | 1 | — |
| 3Andres Matamoros Alfaro | ½ | 0 | * | 1 |
| 4Lev Larionov | 0 | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Marwaha, Atharv | 1539 | CRC | +11N | +13B | +21N | =4N | +7B | +3B | +5N | 6.5 | 27.0 | 29.0 | 26.50 | 2268 | +48.8 |
| 2 | FIDE 6567266 | 0 | — | +?B | +?N | −5B | +?N | =6B | +8N | +4B | 5.5 | 18.5 | 18.5 | 11.75 | 601 | 0.0 |
| 3 | Larionov, Lev | 1529 | CRC | +18B | +15N | +10B | +5N | −4B | −1N | +12B | 5.0 | 28.5 | 31.5 | 20.00 | 1468 | -6.8 |
| 4 | Matamoros Alfaro, Andres | 0 | CRC | +?N | +?B | +?N | =1B | +3N | =?B | −2N | 5.0 | 17.0 | 17.0 | 8.25 | 1537 | 0.0 |
| 5 | Corrales Corrales, Fidel | 1402 | CRC | +8N | +17B | +2N | −3B | =9N | +16B | −1B | 4.5 | 29.5 | 32.5 | 18.75 | 733 | -25.6 |
| 6 | FIDE 6575200 | 0 | — | +14N | −7B | +?N | +11B | =2N | +13B | −?N | 4.5 | 22.0 | 22.0 | 14.75 | 684 | 0.0 |
| 7 | Mayorga Araya, Daniel | 0 | CRC | +?B | +6N | =?B | +21N | −1N | +9B | −?N | 4.5 | 17.5 | 17.5 | 11.00 | 1497 | 0.0 |
| 8 | FIDE 6578314 | 0 | — | −5B | +?N | +17N | +?B | =?N | −2B | +16N | 4.5 | 16.5 | 16.5 | 6.50 | 601 | 0.0 |
| 9 | Sojo Miranda, Ivan Andres | 0 | CRC | =?B | +?N | +12B | =?N | =5B | −7N | +?B | 4.5 | 13.0 | 13.0 | 6.25 | 1443 | 0.0 |
| 10 | FIDE 6572367 | 0 | — | +?N | +?B | −3N | =16B | −?N | +14B | +?N | 4.5 | 12.5 | 12.5 | 5.75 | 731 | 0.0 |
| 11 | Murillo Mathiew, Thomas | 0 | CRC | −1B | +?N | +15B | −6N | +?B | −12N | +17B | 4.0 | 22.0 | 22.0 | 7.00 | 735 | 0.0 |
| 12 | FIDE 6579175 | 0 | — | +?N | −21B | −9N | +18B | +?N | +11B | −3N | 4.0 | 18.5 | 18.5 | 7.00 | 702 | 0.0 |
| 13 | FIDE 6569579 | 0 | — | +?B | −1N | −?B | +?N | +?B | −6N | +19B | 4.0 | 14.0 | 14.0 | 3.00 | 735 | 0.0 |
| 14 | FIDE 6578322 | 0 | — | −6B | +19N | +?B | +?N | −?B | −10N | +?B | 4.0 | 12.0 | 12.0 | 3.00 | 684 | 0.0 |
| 15 | FIDE 6570569 | 0 | — | +?N | −3B | −11N | −?B | +?N | +?B | +?B | 4.0 | 9.0 | 9.0 | 0.00 | 731 | 0.0 |
| 16 | Hernandez Ramirez, Mateo | 0 | CRC | +?B | −?N | +?B | =10N | +?B | −5N | −8B | 3.5 | 13.5 | 13.5 | 2.25 | 643 | 0.0 |
| 17 | FIDE 6569110 | 0 | — | +?B | −5N | −8B | −?N | +?N | +18B | −11N | 3.0 | 16.0 | 16.0 | 3.00 | 601 | 0.0 |
| 18 | FIDE 6573444 | 0 | — | −3N | −?B | +?N | −12N | +?B | −17N | +?B | 3.0 | 12.0 | 12.0 | 0.00 | 731 | 0.0 |
| 19 | FIDE 6564658 | 0 | — | −21N | −14B | +?N | +?B | +?N | −?B | −13N | 3.0 | 10.0 | 10.0 | 0.00 | 673 | 0.0 |
| 20 | FIDE 6558720 | 0 | — | −?B | −?N | +?B | =?N | −?B | +?N | =?B | 3.0 | 0.0 | 0.0 | 0.00 | 684 | 0.0 |
| 21 | Berzosa Madriz, Hector Julian | 1497 | CRC | +19B | +12N | −1B | −7B | F | F | F | 2.0 | 18.0 | 18.0 | 7.00 | 735 | -16.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Marwaha, AtharvCRC+48.86.5 pts · #1
- 2FIDE 65587200.03.0 pts · #15
- 3Mayorga Araya, DanielCRC0.04.5 pts · #3
Top rating losers
- 1Corrales Corrales, FidelCRC-25.64.5 pts · #16
- 2Berzosa Madriz, Hector JulianCRC-16.42.0 pts · #21
- 3Larionov, LevCRC-6.85.0 pts · #5