CChessStats

1st ICCD AMERICAS Open Deaf Chess Tournament Classical

Open SwissStandard

13 players participated in this 5-round tournament, held from 08 Dec 2025 to 10 Dec 2025 in Curitiba PR, Brazil. 5 federations represented. Top 10 Elo average was 786, and top seed was Jonathan Tuck (πŸ‡ΊπŸ‡Έ USA, 1684).

Jonathan Tuck (πŸ‡ΊπŸ‡Έ USA, 1684) won with 4.5/5, ahead of Patricio Vallejos Tapia (4.0). Tuck won solo starting round 3.

Location
πŸ‡§πŸ‡·Curitiba PR, Brazil
Dates
08 Dec 2025 β†’ 10 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 5 rounds
Top seed
πŸ‡ΊπŸ‡ΈJonathan Tuck1684
Avg top 10
786
Participants
13
Federations Β· 5 represented
πŸ‡§πŸ‡·BrazilΓ—4
πŸ‡¨πŸ‡·Costa RicaΓ—2
πŸ‡¦πŸ‡·ArgentinaΓ—1
πŸ‡ΊπŸ‡ΈUnited States of AmericaΓ—1
πŸ‡¨πŸ‡±ChileΓ—1
Top 3

How it unfolded

Top 6 Β· 5 rounds

Jonathan Tuck led from R3; +0.5-point edge over the runner-up.

Co-leaders
7
4
1
1
1
1.52.545R1R2R3R4R5
Tuck4.5Vallejos Tapia44Ramella3Navas Pereira3van den Bylaardt2.5
R3–R5 Β· LEAD HELD

Jonathan Tuck held the sole lead from R3 through R5 without losing it.

R5 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Jonathan Tuck drew with Patricio Vallejos Tapia (White).

WIN STREAKS Β· 2 top finishers

Jonathan Tuck 4 wins (R1–R4)FIDE 44773439 3 wins (R3–R5)

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Jonathan Tuck*
Β½
1
β€”
2Patricio Vallejos Tapia
Β½
*β€”β€”
3FIDE 44773439
0
β€”*
1
4Andrei Ramellaβ€”β€”
0
*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΞ”
1Tuck, Jonathan1684USA+12B+3N+4B+6N=2B4.513.514.512.502382+29.2
2Vallejos Tapia, Patricio0CHI+?N+8B=6B+4N=1N4.012.512.59.0016380.0
3FIDE 447734390β€”+9Nβˆ’1B+11N+5B+6N4.012.013.08.5016730.0
4Navas Pereira, Eduardo Kane1503CRC+5N+11Bβˆ’1Nβˆ’2B+9N3.013.514.56.00884-10.4
5Ramella, Andrei0BRAβˆ’4B+?B+7Nβˆ’3N+10B3.011.011.04.0014870.0
6van den Bylaardt, Richard1661BRA+13N+7B=2Nβˆ’1Bβˆ’3B2.515.015.55.001578-8.8
7Benetti, Leonardo1475ARG+10Bβˆ’6Nβˆ’5B+11N=8N2.59.510.53.751411-6.0
8Chan Chen, Johnny1532CRCβˆ’11Bβˆ’2N+12B+10N=7B2.59.010.03.751471-4.0
9FIDE 5380715330β€”βˆ’3B+12Nβˆ’10B+?Nβˆ’4B2.09.59.51.007020.0
10Silva Junior, Clovis Dallegrave0BRAβˆ’7N=13B+9Nβˆ’8Bβˆ’5N1.510.010.52.257090.0
11Negrisoli, Kleber De Peder0BRA+8Nβˆ’4Nβˆ’3Bβˆ’7BF1.012.012.02.5013810.0
12FIDE 227778810β€”βˆ’1Nβˆ’9Bβˆ’8NF+?B1.09.09.00.008150.0
13FIDE 5380783920β€”βˆ’6B=10NFFF0.54.04.00.758610.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
1st ICCD AMERICAS Open Deaf Chess Tournament Classical (2025) β€” Curitiba PR, Brazil | Chess Tournament Results | ChessStats