CChessStats

IRT Chess For Life U2400

Open SwissStandard

19 players participated in this 6-round tournament, held from 11 Jul 2025 to 13 Jul 2025 in Florianopolis SC, Brazil. 2 titled players from 2 federations. Top 10 Elo average was 2003, and top seed was Cesar Hidemitsu Umetsubo (🇧🇷 BRA, IM, 2346).

Cesar Hidemitsu Umetsubo (🇧🇷 BRA, IM, 2346) won with 5.0/6, ahead of Raphael V. P. Patricio Alonso (4.5) and Andre Jordi Volkmann (4.5). Umetsubo broke clear in the final round.

The biggest upset came in round 1: Jean Michael Bogo Morais Biscaia (1471) beat Elias Moyses Sobrinho (1932), a +461-point gap.

Location
🇧🇷Florianopolis SC, Brazil
Dates
11 Jul 2025 → 13 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
🇧🇷IMCesar Hidemitsu Umetsubo2346
Avg top 10
2,003
Participants
19
Titled players · 2
IM×1
FM×1
Federations · 2 represented
🇧🇷Brazil×17
🇨🇺Cuba×1
Top 3

How it unfolded

Top 6 · 6 rounds

IM Cesar Hidemitsu Umetsubo led from R4; +0.5-point edge over the runner-up.

Co-leaders
8
3
3
1
2
1
1.534.56R1R2R3R4R5R6
Umetsubo5Volkmann4.5Alonso4.5Goncalves4Saiz Rodriguez3.5Ribeiro3.5
R4–R6 · LEAD HELD

IM Cesar Hidemitsu Umetsubo held the sole lead from R4 through R6 without losing it.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

IM Cesar Hidemitsu Umetsubo beat Andre Jordi Volkmann (White).

R1–R6 · UNBEATEN

IM Cesar Hidemitsu Umetsubo went unbeaten across 6 games (R1–R6).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1IMCesar Hidemitsu Umetsubo*
1
½
1
2Andre Jordi Volkmann
0
*
½
—
3Raphael V. P. Patricio Alonso
½
½
*—
4Nata Goncalves
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Umetsubo, Cesar HidemitsuIM2346BRA+10B=7N+3B+5N=2B+4N5.020.023.019.002322-0.3
2Alonso, Raphael V. P. Patricio2130BRA+12B+9N=5B=3N=1N+10B4.519.021.515.002196+14.0
3Volkmann, Andre Jordi2103BRA+16N+8B−1N=2B+12N+5N4.518.520.012.752155+14.0
4Goncalves, Nata1969BRA+18B−5N+7B+8N+6B−1B4.018.519.010.502061+16.4
5Saiz Rodriguez, Daniel EvelioFM2187CUB+13N+4B=2N−1B+9N−3B3.521.023.511.752097-10.6
6Moyses Sobrinho, Elias1932BRA−8B+19N+11B+13N−4N=9B3.515.515.57.001678-24.8
7Ribeiro, Dionatan Lua Franzen1959BRA+17N=1B−4N−14B+18N+12B3.515.015.56.501874-10.0
8Biscaia, Jean Michael Bogo Morais1471BRA+6N−3N+10B−4B−14N+19B3.017.517.56.501751+57.2
9Zanghelini, Cristian Silnei1903BRA+11N−2B+15N=12B−5B=6N3.017.019.08.001847-8.2
10Campagnolo, Fabiola1748BRA−1N+16B−8N+17B+13B−2N3.016.517.55.001753-2.2
11De Paula, Albani Aroldo0BRA−9BF−6N+15B+16N+14B3.012.512.56.0018030.0
12Vieira, Roger Amorin1651BRA−2N+17B+19B=9N−3B−7N2.516.516.52.501741+11.6
13Da Rosa, Kassiele1654BRA−5B+18N+14B−6B−10N=15N2.514.515.04.001744+10.6
14Messias,Jose Vitor Lamosa Prado1755BRAF=15B−13N+7N+8B−11N2.514.014.07.501789+3.8
15Liebl, Livia1693BRAF=14N−9B−11N+17N=13B2.012.012.03.501699+0.8
16Da Costa, Michael David1633BRA−3B−10N=18B+19N−11BF1.511.011.00.251529-8.6
17Dos Santos, Celso Freire1484BRA−7B−12NF−10N−15B+18B1.011.511.50.501480-3.2
18Do Amaral e Silva, Larissa Blue1624BRA−4N−13B=16NF−7B−17N0.512.512.50.751374-27.4
19FIDE 5380240040—F−6B−12N−16BF−8N0.010.510.50.008720.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets