GM

Felgaer, Ruben

ARG ARG·Born 1981·FIDE #107069·1,585 Games

Classical25561,559 Games
Rapid252910 Games
Blitz245516 Games

Statistics

1585

Total

746

Wins

521

Draws

318

Losses

47%33%20%

Play Style

What you need to know before facing them

Elite accuracy: 93.0% average
Solid conversion: 88%
Very consistent (81%)
Very precise: only 0.1 blunders/game
Dominates 1.c4 ♔ (82% in 30 games)

Deep Analysis

Stockfish 18 · Classical games · 107 analyzed

Accuracy by phase
Opening96.4%
Middlegame93.3%
Endgame94.9%

Clutch Factor

Performance under pressure

+6%
Winning (+2 or more)94%
45 Games
Equal position95%
37 Games
Losing (-2 or more)89%
25 Games

Problematic Pieces

Which pieces cause most errors?

♖
23%
21 errors
♕
21%
19 errors
♗
19%
17 errors
♞
18%
16 errors
♙
11%
10 errors
♔
9%
8 errors

Critical Moment

When does the first serious error occur?

Move 30average
1-15
16-25
26-35
36-45
46+
50% of blunders occur between move 16-25. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

3
4
3
5
3
4
3
3
3
5
abcdefgh
Many
Few
Critical squares
e45 err
h15 err
b34 err
f54 err
a33 err
e4/h1 concentrate most errors. Force decisions in those zones.

Recent Games

D
Villanueva, Mario

Liga Nacional Superior 20... · 30 Aug 2025

½-½
W
Gatti, Juan Manuel1951

BA Chess Blitz Etapa 3 · 28 Jun 2025

1-0
D
Asprelli, Gaspar

BA Chess Blitz Etapa 3 · 28 Jun 2025

½-½
L
Villegas, Franco2329

BA CHESS BLITZ -DGT GRAN ... · 25 Apr 2025

1-0
W
Perelman, Hernan2257

BA CHESS BLITZ -DGT GRAN ... · 25 Apr 2025

1-0
W
Barrionuevo, Pablo2263

Round 9: Barrionuevo, Pab... · 25 Apr 2025

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
Ruy Lopez: Marshall
72.7%
11 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5

Petroff: Classical
68.4%
19 Games·Wins

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4

Black
Sicilian: e6 Systems
50.0%
42 Games·Wins

1.e4 c5 2.Nf3 e6

Sicilian: d6 Systems
46.6%
58 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#38Qe4??
Tactics
vs Villegas
Blitz·2025
▶
#37c4??
Tactics
vs Perelman
Blitz·2025
▶
#40Rg7??
Tactics
vs Wojtaszek
OTB·2024
▶
#29Rb3??
Tactics
vs Smirnov
OTB·2024
▶
#25Rxe4??
Tactics
vs Acosta
OTB·2024
▶
#43Qxd3??
Endgame
vs Bachmann
OTB·2020
▶
#60Kc8??
Endgame
vs Bachmann
OTB·2020
▶
#59Qxe3+??
Endgame
vs Espinosa Aranda
OTB·2020
▶
#25Rh1??
Tactics
vs Espinosa Aranda
OTB·2020
▶
#55Kf2??
Endgame
vs Delgado Ramirez
OTB·2019
Endgame Statistics

19 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2025
2024
2023
2021
2020
2019
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
811 Games
51%32%17%
1.e4
66%
774
1.c4
82%
30
1.d4
88%
4
1.Nf3
67%
3
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