Robert Markus
TitleGrandmasterFederationSerbiaBorn1983FIDE ID921637
Classical2531
Rapid2621
Blitz2623
Games2,227
W · D · LWon · Drawn · Lost38 / 52 / 11
Peak2673May 2017
Rating history
2500
2540
2580
2620
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2531Rapid2621Blitz2623no games played
Accuracy by phase
96.2%Opening95.1%Middlegame95.9%Endgame
Clutch factor
Insufficient dataPlay style
Elite accuracy: 94.8% average
High resilience (64%): Dangerous even when losing
Solid conversion: 92%
Very consistent (91%)
Very precise: only 0.0 blunders/game
Dominates 1.d4 as 
(71% in 880 games)
(71% in 880 games)Recent games
Cabarkapa, Novak(2438)
Serbian Team Championship Super ... · 4 Oct 2026
Ben Ari, Yannay(2470)
Kanizsa Open 2026 · 23 Aug 2026
Czopor, Maciej(2455)
Kanizsa Open 2026 · 22 Aug 2026
Bai, Adelard(2449)
Kanizsa Open 2026 · 21 Aug 2026
Waldhausen Gordon, Frederick(2455)
Kanizsa Open 2026 · 20 Aug 2026
Play against Markus's Twin
Their real openings, level & style
Practice against a bot that uses their real openings and playing style
Based on 2,227 games
Openings
1,099 games as White · scores 69.2%Weaknesses
where they slip as ♔ WhiteNo significant weaknesses detected as white
Strengths
what holds up for them as ♔ WhiteBogo-Indian1.d4 ♞f6 2.c4 e6 3.♞f3 ♝b4+39 games, last played 7 months ago71.8%wins
Queen's Gambit Declined1.d4 d5 2.c4 e670 games, last played 5 months ago57.1%wins
By family
open a family to see its linesPROTime controls · Years · Events
2,227 games in scope
LineECOGamesLast playedWins · draws · lossesScorevs 69.2%
D30–E141724m
42%52%6
68.6%—A00–A041257w
38%52%10
63.6%−5.6 ptsA46–E111248w
60%35%5
77.8%+8.6 ptsE60–E701221y
48%40%12
68.4%—D10–D451054m
43%54%3
70.0%—A40–D021005m
50%44%6
72.0%—A10–A30637w
43%54%3
69.8%—E12–E15604m
57%37%6
75.0%+5.8 ptsMistakes
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.
Endgame statistics
195 endgames (44.3%) · force Double Rook (14%)
Unlock Endgame Statistics
All their endgames: discover where they collapse under pressure
Billed annually (€49.99/year)
Repertoire
PROTime controls · Years · Events
2,227 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
1,099 games46%W46%D8%L
1,099games in this linewon 46%, drew 46%, lost 8%
Move
1. d4
8808w48%45%7
71%1. ♞f3
1117w38%54%8
65%1. c4
637w43%54%3
70%1. e4
31Jan 199635%35%30%
53%1. b4
8Jan 199025%25%50%
38%1. a3
225y50%50%0
75%1. g3
216y0100%0
50%1. g4
1—100%00
100%1. b3
1—100%00
100%