CChessStats

IRT Sub-2400 "Caballos de Troya"

Open SwissStandard

23 players participated in this 7-round tournament, held from 10 Oct 2025 to 12 Oct 2025 in Oruro, Bolivia. 1 titled players. Top 10 Elo average was 1753, and top seed was Daniel Titichoca Daza (🇧🇴 BOL, CM, 2101).

Daniel Titichoca Daza (🇧🇴 BOL, CM, 2101) won with 6.0/7, ahead of Rafael Villca Pereira (5.0) and Jose Damir Ruiz Achacollo (5.0). Titichoca Daza shared the lead from round 6 and broke clear in the final round.

The biggest upset came in round 7: Andy Ubaldo Alconz Huajlla (1583) beat Rafael Villca Pereira (1860), a +277-point gap.

Location
🇧🇴Oruro, Bolivia
Dates
10 Oct 2025 → 12 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇧🇴CMDaniel Titichoca Daza2101
Avg top 10
1,753
Participants
23
Titled players · 1
CM×1
Federations · 1 represented
🇧🇴Bolivia×15
Top 3

How it unfolded

Top 6 · 7 rounds

CM Daniel Titichoca Daza led from R3; +1.0-point edge over the runner-up.

Co-leaders
6
3
1
1
1
2
1
23.55.57R1R2R3R4R5R6R7Villca Pereira takes leadTitichoca Daza takes lead
Titichoca Daza6Villca Pereira5Ruiz Achacollo5Tapia4Alconz Huajlla4Santos Callahuara4
R4 · LEADER CHANGE11 Oct

Rafael Villca Pereira takes the sole lead (3.5/4).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

CM Daniel Titichoca Daza lost to Rafael Villca Pereira (Black).

WIN STREAKS · 2 top finishers

CM Daniel Titichoca Daza 3+3 wins (R1–R3, R5–R7)Jose Damir Ruiz Achacollo 3 wins (R5–R7)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1CMDaniel Titichoca Daza*
0
—
1
2Rafael Villca Pereira
1
*
1
1
3Jose Damir Ruiz Achacollo—
0
*—
4Mauricio Tapia
0
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Titichoca Daza, DanielCM2101BOL+6B+8N+4B−2N+12B+9N+5N6.024.027.022.002055-4.2
2Villca Pereira, Rafael1860BOL+12N+3B=10N+1B+5B=8N−4B5.026.029.021.501872+11.2
3Ruiz Achacollo, Jose Damir1638BOL+16B−2N+21B−4N+6B+12N+8B5.021.522.513.501687+11.2
4Alconz Huajlla, Andy Ubaldo1583BOLF+7B−1N+3B−8B+13N+2N4.026.528.517.001898+94.8
5Tapia, Mauricio1853BOLF+15B+9N+10B−2N+11N−1B4.024.524.513.501841+1.4
6Acapa Cruz, Carlos Fernando1484BOL−1N+14B−7N+19B−3N+21B+17N4.021.022.07.00963-22.8
7Santos Callahuara, Monzerrat1747BOL+23B−4N+6B−8N−9N+16B+12N4.020.020.09.001480-70.0
8Saavedra Aiza, Alejandro1659BOLF−1B+18N+7B+4N=2B−3N3.526.027.012.501779+27.2
9Tola Gutierrez, Caroline Xiomara1519BOL+19B+13N−5B=11N+7B−1B−10N3.524.025.09.751714+46.4
10Flores Ramos, Fabricio1675BOLF+21N=2B−5N−11B+14N+9B3.521.022.010.001642-8.8
11Veizaga Mamani, Kirsten Ivana1665BOLFF+23N=9B+10N−5B+13N3.514.014.08.251798+27.6
12Ruiz Achacollo, Abner Thiago1484BOL−2B+20N+13B+15N−1N−3B−7B3.026.027.07.001597+26.4
13Mattes del Castillo, Addy1744BOL+22N−9B−12N+14B+16N−4B−11B3.019.020.06.00768-58.0
14Herrera Romero, Rubi Esmeralda0BOLF−6N+16B−13N+15B−10B+19N3.016.516.56.0013990.0
15Choque Ramos, Gabriela Karen1449BOLF−5N+20B−12B−14N+19B+23N3.012.012.02.00866-21.6
16FIDE 33718160—−3N+22B−14NF−13B−7N+20B2.017.017.02.009130.0
17FIDE 33718400—FF+22NFF+18B−6B2.011.011.03.006930.0
18FIDE 33718240—F+19N−8B−20N+23B−17NF2.011.011.01.008590.0
19FIDE 33718590—−9N−18BF−6N+22B−15N−14B1.016.516.51.006960.0
20FIDE 33718320—F−12B−15N+18B−21NF−16N1.014.514.52.006670.0
21FIDE 33718670—F−10B−3NF+20B−6N−22B1.014.514.51.008050.0
22FIDE 33718080—−13B−16N−17BF−19NF+21N1.09.09.01.009440.0
23FIDE 33717940—−7NF−11BF−18NF−15B0.016.517.50.008230.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets