Compare

Darrel Ruiz Alfaro

CRC · 21 yrs · K=20 · Peak 1914 (Aug 2025)

Best performance: 2094 at Campeonato Nacional Sub20 Juvenil 2024(Best of 2024)

World #=49559 live, down 551#49,008 publishedCosta Rica #69

NOV26 Rating

1898

Live Rating

1898.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

Loading chart…
Official classical rating by month
ListRatingChange
Nov 202618980
Oct 202618980
Sep 202618980
Aug 202618980
Jul 202618980
Jun 202618980
May 202618980
Apr 202618980
Mar 20261898+15
Feb 202618830
Jan 20261883-31
Dec 202519140

Form · Classical

oldest → latest

From 253 classical games on record, the latest on Jan 23.

Classical games since the November list

No rated standard games this rating periodsince the NOV26 list (Nov 1, 2026)

The live rating moves only when new rated games are played. Until then it matches the published rating.

Best wins · Classical

From 202 rated classical games against rated opponents, 2019–2026

#OpponentRating
1, CM Gabriel A Chaves Sanchez, Oct 2023 · I Memorial Samuel Li Chen 2023, 2106
2, Ronald Ugalde Garcia, Jan 2025 · FCA Campeonato Nacional Absoluto 2025, 2082
3, FM Juan Leon Jimenez Molina, Jun 2025 · Liga Ponziani 2025, 2054

Openings · Classical

From the moves of 43 of 253 classical games on record.

As WhiteOpens 1.d4 in 8 of 23 games, 1.c4 in 7, 1.Nf3 in 4.

As BlackMeets 1.e4 with 1...c5, and 1.d4 with 1...Nf6.

All openings (3 as White, 1 as Black)
Openings in White gamesGamesScore
King's Indian Defense580%
English Opening3100%
Sicilian Defense367%

12 more games in openings played fewer than 3 times.

Event timeline · Classical

1 of 36 events · All years

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Performance rating by month

2026: not enough games against rated opponents for a performance rating

MonthGamesScoreAvg oppTPR
Jan112019—

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

Rated near Darrel Ruiz Alfaro · Classical

Live ratings projected from the NOV26 published list · Not affiliated with FIDE