CChessStats

IX CN Absoluto 2025

Open SwissStandard

25 players participated in this 9-round tournament, held from 07 Dec 2025 to 14 Dec 2025 in Ribeira Grande, Cape Verde. 6 titled players. Top 10 Elo average was 1927, and top seed was Mariano Ortega Amarelle (🇨🇻 CPV, IM, 2380).

Mariano Ortega Amarelle (🇨🇻 CPV, IM, 2380) won with 9.0/9, ahead of Jose Carlos Vaz (7.0) and Diogo Alho (7.0). Ortega Amarelle won solo starting round 3.

The biggest upset came in round 2: Luis Barros (1726) beat David Mirulla (CM, 1905), a +179-point gap.

Location
🇨🇻Ribeira Grande, Cape Verde
Dates
07 Dec 2025 → 14 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Top seed
🇨🇻IMMariano Ortega Amarelle2380
Avg top 10
1,927
Participants
25
Titled players · 6
IM×1
FM×1
CM×2
WCM×2
Federations · 1 represented
🇨🇻Cape Verde×24
Top 3

How it unfolded

Top 6 · 9 rounds

IM Mariano Ortega Amarelle led from R3; +2.0-point edge over the runner-up.

Co-leaders
11
4
1
1
1
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9
Ortega Amarelle9Vaz7Alho7Santos6Pereira5.5Silva5.5
R3–R9 · LEAD HELD

IM Mariano Ortega Amarelle never relinquished the lead after R3; final gap +2.0 over the runner-up.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

IM Mariano Ortega Amarelle beat CM Jose Carlos Vaz (Black).

WIN STREAKS · 3 top finishers

IM Mariano Ortega Amarelle 9 wins (R1–R9)CM Jose Carlos Vaz 3 wins (R7–R9)FM Diogo Alho 5 wins (R5–R9)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1IMMariano Ortega Amarelle*
1
1
—
2CMJose Carlos Vaz
0
*
0
1
3FMDiogo Alho
0
1
*
1
4Steven Santos—
0
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Ortega Amarelle, MarianoIM2380CPV+15N+13B+2N+3B+6N+18B+7N+10B+5N9.042.546.046.002802+8.8
2Vaz, Jose CarlosCM1957CPV+12N+18B−1B+7N+5B−3N+4B+6N+10N7.047.050.534.502116+34.4
3Alho, DiogoFM2175CPVF+5N+9B−1N+4B+2B+13N+18B+7N7.045.549.036.002234+11.8
4Santos, Steven1886CPV+11N=8B=10N+15B−3N+20B−2N+13B+18N6.039.542.523.751916+9.0
5Pereira, Eder Marcio1826CPV+20N−3B+12N+8B−2N+9B=6N+14B−1B5.547.050.024.251912+18.4
6Silva, Bryan Jorge1843CPV+19B−7N+16B+9N−1B+8N=5B−2B+13N5.544.547.523.751876+7.8
7Pereira, Nelino1674CPV+24N+6B−8N−2B+17N+11B−1B+16N−3B5.046.046.518.501793+32.4
8Carvalho, Vladmir Husni1732CPV+23B=4N+7B−5N=13N−6B−10N+11B+14N5.039.040.019.501771+17.2
9Barros, Luis1726CPV+25N+10B−3N−6B+11N−5N−14B+17B+16N5.039.039.017.001745+0.6
10Mirulla, DavidCM1905CPV+16B−9N=4B+19N−18B+21N+8B−1N−2B4.542.545.017.501807-23.0
11Lima, Flavio1583CPV−4B+23N+14B=18N−9B−7N+19B−8N+21B4.534.035.012.251668+16.2
12Junior, Aguinaldo Vera Cruz1638CPV−2B+22N−5B−17N+19B−15B=21N+24N+23B4.529.029.57.751638-2.2
13Neves, Diogo Alexandre1811CPV+22B−1N=19B+14N=8B+16N−3B−4N−6B4.043.545.514.001752-16.0
14Silva, Victor Andrade Cruz1644CPVF+20B−11N−13B+23N+17B+9N−5N−8B4.038.039.013.001579-10.4
15Reis, Lian1650CPV−1B+17N+24B−4N−16B+12N−18N−21B+22N4.035.536.011.001578-32.4
16Moes Joaquim, Carlos1638CPV−10N+25B−6N+22B+15N−13B+20N−7B−9B4.033.033.09.001616-7.0
17Ramos, Celton0CPV+21N−15B−18N+12B−7B−14N+22B−9N+24B4.030.531.09.5015720.0
18Pereira, DeiseWCM1759CPVF−2N+17B=11B+10N−1N+15B−3N−4B3.546.046.014.751798+1.6
19Moreno, AkianeWCM1553CPV−6N+21B=13N−10B−12N+24B−11N=23NF3.027.027.05.501556-3.2
20Soares, Edson1546CPV−5B−14N+23B+24N+21B−4N−16BFF3.023.523.54.001501-12.0
21Vera-Cruz, Rui Manuel Nobre de Oliveira1712CPV−17B−19N+22BF−20N−10B=12B+15N−11N2.529.529.58.251519-73.6
22Castro, Dioniso1472CPV−13N−12B−21N−16N+24B+23B−17NF−15B2.024.524.51.50890-23.0
23Neves, Azaergal Bernardo0CPV−8N−11B−20NF−14B−22N=24N=19B−12N1.026.526.51.7511730.0
24FIDE 236023840—−7BF−15N−20B−22N−19N=23B−12B−17N0.526.526.50.507890.0
25Neves, Crisele Ivette0CPV−9B−16NFFFFFFF0.011.511.50.008820.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets