CChessStats

XXI Campeonato Amapaense de Xadrez Absoluto CAXA 2026 Etapa 1

Open SwissStandard

24 players participated in this 6-round tournament, held from 26 Mar 2026 to 29 Mar 2026 in Macapa AP, Brazil. Top 10 Elo average was 1782, and top seed was Argemiro Braga Guara Neto (🇧🇷 BRA, 1971).

Victor Montero Del Aguila (🇧🇷 BRA, 1936) won with 5.0/6, ahead of Danilo H Mendonca Assuncao (5.0) and Marcos Paulo De Souza Monteiro (4.0). Del Aguila won on tie-break after catching the field in the final round.

The biggest upset came in round 3: Danilo H Mendonca Assuncao (1729) beat Victor Montero Del Aguila (1936), a +207-point gap.

Location
🇧🇷Macapa AP, Brazil
Dates
26 Mar 2026 → 29 Mar 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇧🇷Argemiro Braga Guara Neto1971
Avg top 10
1,782
Participants
24
Federations · 1 represented
🇧🇷Brazil×14
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R5; 2 players tied at 5.0/6, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
12
3
2
2
1
2
1.534.56R1R2R3R4R5R6
Assuncao5Del Aguila5De Souza Monteiro4Gregorio4Ribeiro4Souza4
R5–R6 · LEAD HELD

Danilo H Mendonca Assuncao held the sole lead from R5 through R6 without losing it.

R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Del Aguila takes the title on Buchholz Cut1 (20.0).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Danilo H Mendonca Assuncao beat Victor Montero Del Aguila (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Danilo H Mendonca Assuncao*
1
½
—
2Victor Montero Del Aguila
0
*—
1
3Marcos Paulo De Souza Monteiro
½
—*—
4Joanderson Olimpio Gregorio—
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Del Aguila, Victor Montero1936BRA+8N+11B−2N+15B+4N+5B5.020.022.517.501938+0.4
2Assuncao, Danilo H Mendonca1729BRA+15N+12B+1B=5N+10B=3N5.019.021.517.502055+67.6
3De Souza Monteiro, Marcos Paulo1959BRA+22B=7N+6B=16N=5B=2B4.019.520.512.751801-16.8
4Gregorio, Joanderson Olimpio1815BRA+9B=6N=16B+19N−1B+13N4.018.520.512.251773-14.4
5Souza, Luiz Andre Silva De1742BRA+23B+18N+19B=2B=3N−1N4.018.519.510.001804+12.4
6Ribeiro, Renan Rego1591BRA+20N=4B−3N+18B+11N=7B4.017.519.511.501770+33.6
7Silva, Guilherme Melo Da1612BRA+17N=3B−10N+20B+12B=6N4.016.518.511.501662+4.8
8Santos, Douglas Kaue Souza0BRA−1B+14N+?B−10N+16B+19N4.015.515.57.5018280.0
9Domingues, Arthur Smith0BRA−4N+17B−20N+21B+14N+10B4.014.516.510.501831+12.4
10Alves, Josue Pires1811BRA+13NF+7B+8B−2N−9N3.020.022.011.001671-7.4
11De Jesus, Debora Jamilly Goes1656BRA+14B−1N+13B=12N−6B=16N3.018.020.58.751560-15.6
12FIDE 5380912320—+24N−2N+22B=11B−7N=15B3.015.515.53.7513930.0
13FIDE 447607950—−10B+21N−11N+17B+20N−4B3.014.516.56.509730.0
14Ferreira, Joao Lucas Duarte0BRA−11N−8B+24N+?B−9B+23N3.012.012.01.008560.0
15FIDE 5380980400—−2B+22N+18B−1N−19B=12N2.517.518.55.009520.0
16Guara Neto, Argemiro Braga1971BRAF+24B=4N=3B−8N=11B2.515.015.05.501822-10.8
17FIDE 5380913300—−7B−9N+23B−13N=18N+?B2.514.514.52.258120.0
18FIDE 5380911270—+?N−5B−15N−6N=17B+24B2.513.013.01.258670.0
19Alencar, Victor Tupac Lima1592BRA+21BF−5N−4B+15N−8B2.017.519.54.50997-19.2
20FIDE 5380980590—−6B+23N+9B−7N−13B−21N2.017.018.05.008020.0
21FIDE 5380912400—−19N−13BF−9N+22B+20B2.012.012.03.007920.0
22FIDE 5380911430—−3N−15B−12N+24B−21NF1.011.511.50.0011590.0
23FIDE 5380912160—−5N−20B−17NF+?N−14B1.011.511.50.009420.0
24FIDE 5380980670—−12B−16N−14B−22NF−18N0.012.012.00.0011710.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets