Marc Arnold
TitleGrandmasterFederationUnited StatesBorn1992FIDE ID2022320
Classical2517
Rapid2502
Blitz—
Games308
W · D · LWon · Drawn · Lost40 / 34 / 26
Peak2540Aug 2012
Rating history
2480
2520
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2517Rapid2502no games played
Accuracy by phase
93.6%Opening91.2%Middlegame
Clutch factor
Insufficient dataPlay style
Plays 91.1% better with black
Very precise: only 0.0 blunders/game
Dominates 1.d4 as 
(66% in 115 games)
(66% in 115 games)Vulnerable to 1.d4 
(only 43%)
(only 43%)Recent games
Cervantes Landeiro, Thalia(2128)
PRO League Group Stage · 18 Jan 2018
Le, Quang Liem(2737)
PRO League Group Stage · 18 Jan 2018
Durarbayli, Vasif(2622)
PRO League Group Stage · 18 Jan 2018
Shimanov, Aleksandr(2641)
PRO League Group Stage · 18 Jan 2018
Lesiege, Alexandre(2525)
PRO League Knockout Stage 2017 · 8 Mar 2017
Play against Arnold's Twin
Their real openings, level & style
Practice against a bot that uses their real openings and playing style
Based on 308 games
Openings
160 games as White · scores 66.9%Weaknesses
where they slip as ♔ WhiteNo significant weaknesses detected as white
Strengths
what holds up for them as ♔ WhiteQueen's Gambit Declined1.d4 d5 2.c4 e614 games, last played 10 years ago71.4%wins
By family
open a family to see its linesPROTime controls · Years · Events
308 games in scope
LineECOGamesLast playedWins · draws · lossesScorevs 66.9%
A45–E11279y
44%30%26%
59.3%−7.6 ptsE60–E702615y
50%35%15
67.3%—A00–A042010y
55%35%10
72.5%+5.6 ptsD30–D371610y
69%25%6
81.3%—A40–D021314y
54%46%0
76.9%—D10–D111010y
30%50%20%
55.0%—B30–B50810y
50%1337%
56.3%—E21–E40514y
20%60%20%
50.0%—Mistakes
Problematic pieces
Insufficient data
Critical moment
Insufficient data
Error heatmap · Critical squaresError heatmap
Insufficient data
Critical blunders
Tactical errors analyzed with StockfishCouldn't load this.
Repertoire
PROTime controls · Years · Events
308 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Explore the repertoireevery move played, ranked by frequency
160 games50%W34%D16%L
160games in this linewon 50%, drew 34%, lost 16%
Move
1. d4
1159y48%37%15
66%1. e4
2010y60%1525%
68%1. ♞f3
1710y47%41%12
68%1. c4
515y40%40%20%
60%1. g3
215y100%00
100%1. a3
123y100%00
100%