CChessStats

Juegos Deportivos Nacionales Eliminatorias 2025 Z2 U12 Individual Absoluto

Open SwissStandard

26 players participated in this 7-round tournament, held from 30 Aug 2025 to 31 Aug 2025 in Heredia, Costa Rica. Top 10 Elo average was 781, and top seed was Santiago Alejandro Gomez Rodriguez (🇨🇷 CRC, 1676).

Lucas Giachino (🇨🇷 CRC, 1610) won with 7.0/7, ahead of Michael Andres Bejarano Tames (6.0) and Santiago Alejandro Gomez Rodriguez (6.0). Giachino broke clear in the final round.

Location
🇨🇷Heredia, Costa Rica
Dates
30 Aug 2025 → 31 Aug 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇨🇷Santiago Alejandro Gomez Rodriguez1676
Avg top 10
781
Participants
26
Federations · 1 represented
🇨🇷Costa Rica×11
Top 3

How it unfolded

Top 6 · 7 rounds

Lucas Giachino led from R7; +1.0-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R7.

Co-leaders
30
16
7
3
2
2
1
23.55.57R1R2R3R4R5R6R7
Giachino7Gomez Rodriguez6Bejarano Tames6Larionov5.55Rodriguez Solis5
R7–R7 · LEAD HELD

Lucas Giachino never relinquished the lead after R7; final gap +1.0 over the runner-up.

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Lucas Giachino beat Santiago Alejandro Gomez Rodriguez (White).

WIN STREAKS · 3 top finishers

Lucas Giachino 7 wins (R1–R7)Santiago Alejandro Gomez Rodriguez 6 wins (R1–R6)Michael Andres Bejarano Tames 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Lucas Giachino*
1
1
—
2Santiago Alejandro Gomez Rodriguez
0
*——
3Michael Andres Bejarano Tames
0
—*
1
4Lev Larionov——
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Giachino, Lucas1610CRC+24B+14N+19B+9N+2B+5N+3B7.030.032.032.002362+51.6
2Bejarano Tames, Michael Andres1474CRC+17N+25B+16N+4B−1N+7B+10N6.030.532.525.50813-12.8
3Gomez Rodriguez, Santiago Alejandro1676CRC+26N+21B+18N+23B+11N+13B−1N6.025.526.019.001566-12.0
4Larionov, Lev0CRC+?B+?N+?B−2N+16N=11B+?N5.514.514.56.2513060.0
5Rodriguez Solis, Pablo Andres1529CRCF+22B+7N+10B+8N−1B+9N5.031.031.024.00813-15.2
6Rodriguez Navarro, Aaron0CRC+?N+?B+8N−11B−7N+21B+16N5.022.522.513.007190.0
7FIDE 65702240—+?B+?N−5B+?N+6B−2N+15B5.020.020.09.007040.0
8Acuna Mora, Sara0CRC+?B+?N−6B+?N−5B+?N+14B5.014.014.04.007280.0
9Sanchez Icaza, Brian0CRC+?N+?B+?N−1B+23N+?B−5B5.014.014.02.007710.0
10FIDE 65666850—+?B+?N+?B−5N+?B+?N−2B5.011.011.00.007040.0
11Arrieta Lopez, Mikel Gael1521CRCF+20N+15B+6N−3B=4N+12B4.529.029.020.25879-11.6
12FIDE 65669440—−?N+?B+17N+?B=?N+?B−11N4.58.58.54.007190.0
13FIDE 65587120—F−15N+?B+14N+20B−3N+?B4.018.018.08.008790.0
14FIDE 65666180—+?N−1B+?N−13B+?N+23B−8N4.018.018.02.008130.0
15Bonilla Mora, Alejandro Jose0CRC+?N+13B−11N+18B+?N−?B−7N4.017.517.58.007190.0
16FIDE 65495350—+?B+?N−2B+?N−4B+?N−6B4.016.516.50.006790.0
17FIDE 65758460—−2B+?N−12B+?N+19B+?N−?B4.014.514.54.006790.0
18FIDE 65695790—+?N+?B−3B−15N+?B+20N−?B4.014.014.04.008790.0
19FIDE 65697490—+?N+?B−1N−?B−17N+?B+23N4.013.013.02.008130.0
20FIDE 65620860—+?N−11B+?N+?B−13N−18B+?B4.012.512.50.007190.0
21FIDE 65702080—+?B−3N−?B+?N+?B−6N+?B4.011.011.00.008790.0
22FIDE 65752000—+?B−5N+?B−?N−?B+?N+?B4.05.05.00.007280.0
23FIDE 65725450—F+?B+?N−3N−9B−14N−19B2.019.019.00.008790.0
24FIDE 65714250—−1N+?B−?N−?B−?N+?B−?N2.07.07.00.008130.0
25Mena Arias, Adriel0CRCF−2N−?B−?N−?B+?N+?B2.06.06.00.006790.0
26FIDE 65777170—−3B−?N−?B=?N−?B−?B−?N0.56.06.00.008790.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Juegos Deportivos Nacionales Eliminatorias 2025 Z2 U12 Individual Absoluto — Heredia, Costa Rica | Chess Tournament Results | ChessStats