What is Sandro Mareco's FIDE rating?

Sandro Mareco's FIDE rating is 2551 standard, 2566 rapid, 2547 blitz. Chess Stalker tracks it together with Sandro Mareco's over-the-board games and opening repertoire.

How many OTB games has Sandro Mareco played?

The Chess Stalker database holds 1,985 over-the-board games by Sandro Mareco (1,887 classical, 37 rapid, 61 blitz), with 52% wins. The full list, with openings and results, is on Sandro Mareco's Chess Stalker profile.

How do I prepare against Sandro Mareco?

Open Sandro Mareco's free Chess Stalker report: opening repertoire with results per line as White and Black, recurring weaknesses and blunder patterns evaluated with Stockfish, and recent games. Then rehearse against the Twin Bot, which imitates Sandro Mareco's style, before facing them.

Sandro Mareco

Argentinaborn 1987FIDE ID 112275

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026

2500

2540

2580

2620

2606 · Sep 2023

Oct

2024

Apr

Jul

Oct

2025

Apr

Jul

Oct

2026

Apr

Jul

Oct

Sep 2023Oct 2026

2566Rapid

2551Classical

2547Blitz

2666peak, Mar 2019

1,985games

1,023wins, 52%

682draws, 34%

280losses, 14%

Rated gamesInactive · rating frozenOfficial FIDE lists · drag the range below the chartPeak 2666 · Mar 2019

Play style

before facing themWhat you need to know before facing them

Elite accuracy: 93.8% average

High resilience (67%): Dangerous even when losing

Very consistent (89%)

Very precise: only 0.1 blunders/game

Dominates 1.Nf3 as

(75% in 216 games)

Play against Mareco's Twin

Their real openings, level & style

Practice against a bot that uses their real openings and playing style

Based on

1,985 games

Based on 1,985 games

Openings

1,985 gamesBased on 1,985 player games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White

King's Indian: Classical1.d4 ♞f6 2.c4 g6 3.♞c3 ♝g7 4.e4 d6 5.♞f3 O-O 6.♝e2 e514 games, last played 4 years ago85.7%wins

King's Indian: Main Line1.d4 ♞f6 2.c4 g6 3.♞c3 ♝g7 4.e4 d6 5.♞f3 O-O18 games, last played 4 years ago77.8%wins

Deep analysis

Stockfish · Classical · 474 analyzedStockfish · Classical games · 474 analyzed

Accuracy by phase

Opening

96.9%

Middlegame

94.1%

Endgame

95.0%

Clutch factor

+7%

Winning (+2)Winning (+2)

95%231g

EqualEqual position

95%190g

Losing (−2)Losing (−2)

88%53g

Accuracy under pressure barely drops when losing.

Problematic pieces

26%

77 err

17%

51 err

16%

48 err

15%

46 err

15%

46 err

10%

29 err

Critical moment

Move 39 avg

1-15

16-25

36%

26-35

18%

36-45

36%

46+

36% of blunders occur after move 26-35. Keep tension until then.of blunders occur after move 26-35. Keep tension until then.

Error heatmap · Critical squaresError heatmap

Few

Many

98Errors mapped

c5 / d4Hotspot zone

Critical squares

1515 err

1111 err

1010 err

c5/d4 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors · Stockfish

#57

fxg4?? vs Baules Rodriguez

Endgame · OTB · 2026

#47

♜b2?? vs Benedetti

Endgame · Blitz · 2025

#29

♛f1?? vs Tari

Middlegame · Blitz · 2025

#55

a2?? vs Silva

Endgame · Blitz · 2025

#26

f4?? vs Schnaider

Middlegame · OTB · 2025

#31

♝d3?? vs Flores

Middlegame · OTB · 2025

Recent games

1,985 games

Fier, Alexandr(2553)

19th American Continental · 10 Jun 2026

½–½

Shankland, Sam(2647)

19th American Continental · 9 Jun 2026

½–½

Jimenez Garcia, Emmanuel(2349)

19th American Continental · 8 Jun 2026

1–0

Diaz Perez, Michel Alejandro(2425)

19th American Continental · 7 Jun 2026

1–0

Berdayes Ason, Dylan Isidro(2460)

19th American Continental · 6 Jun 2026

½–½

Delgado Romero, Marco(2373)

19th American Continental · 5 Jun 2026

1–0

Endgame statistics

187 endgames (35.6%) · force Opposite-Color Bishops (20%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

35.6%

187 / 526

B vs N Pref

52.4%·47.8%

prefers the bishop

PiecesTypeWin %games

Rook + Equal Minors

56%44%

77.9%353g

R+Bishop vs R+Knight

59%41%

79.4%306g

Rook vs Minor (Exchange)

49%50%

73.7%281g

Rook vs Rook

48%50%

72.6%252g

Rook vs Two Minors

56%44%

78.1%160g

Pure Pawn

36%50%14

60.6%109g

Rook + Equal Minors77.9%353g

R+Bishop vs R+Knight79.4%306g

Rook vs Minor (Exchange)73.7%281g

Rook vs Rook72.6%252g

Rook vs Two Minors78.1%160g

Pure Pawn60.6%109g

Weak in Opposite-Color Bishops: only 20% win rate (5 games). Force this endgameShow all 14 types

Unlock Endgame Statistics

All their endgames: discover where they collapse under pressure

Repertoire

PROTime controls · Years · Events

1,985 games in scope

Explore the repertoireevery move played, ranked by frequency

998 games56%W32%D12%L

998games in this linewon 56%, drew 32%, lost 12%

Move

1. d4

4373m

54%36%10

72%

1. e4

2273m

55%32%13

71%

1. ♞f3

2169m

63%24%13

75%

1. c4

1159m

53%33%14

70%

1. b3

39y

100%

Scouting report: Sandro Mareco (GM, ARG)