Scouting report: Leonardo Costa (GM, GER)

625 over-the-board games in the Chess Stalker database (621 classical, 4 blitz): 40% wins, 36% draws, 24% losses. FIDE rating 2555 standard, 2310 rapid, 2414 blitz. 494 games analyzed with Stockfish: 93% accuracy, 0.07 blunders per game.

  • Opening repertoire of Leonardo Costa as White and Black, with results per line — free.
  • Weaknesses and blunder patterns, evaluated with Stockfish — free.
  • Recent over-the-board games and endgame statistics.
  • Twin Bot: a sparring bot that imitates Leonardo Costa's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/16213955 — no account needed.

Chess Stalker

Leonardo Costa

GM

Germanyborn 2008FIDE ID 16213955

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2100
2300
2500
Peak2556
2387 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2555
2414
2310
2556peak, Apr 2026
625games
248wins, 40%
225draws, 36%
151losses, 24%

Play style

before facing them
Elite accuracy: 93.3% average
Solid conversion: 84%
Very consistent (90%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 as ♔ (61% in 290 games)
Vulnerable to 1.c4 ♚ (only 47%)

Play against Costa's Twin

Their real openings, level & style

Based on 625 games

Openings

625 games

Weaknesses

where they slip as ♔ White
Sicilian: Kan1.e4 c5 2.♞f3 e6 3.d4 cxd4 4.♞xd4 a616 games, last played last month50.0%losses

Strengths

what holds up for them as ♔ White
Scotch Game1.e4 e5 2.♞f3 ♞c6 3.d410 games, last played 2 years ago60.0%wins
Italian: Giuoco Piano1.e4 e5 2.♞f3 ♞c6 3.♝c4 ♝c517 games, last played 5 months ago58.8%wins

Deep analysis

Stockfish · Classical · 494 analyzed
Accuracy by phase
Opening
97.1%
Middlegame
93.7%
Endgame
95.4%
Clutch factor
+5%
Winning (+2)
94%
Equal
95%
Losing (−2)
89%
Problematic pieces
23%
108 err
19%
90 err
17%
82 err
16%
74 err
14%
66 err
11%
50 err
Critical moment
Move 42 avg
0%
1-15
6%
16-25
25%
26-35
41%
36-45
28%
46+
41% of blunders occur after move 36-45. Keep tension until then.
Error heatmap · Critical squares
17
16
14
15
15
14
Few
Many
f6
17
e5
16
b4
15
g5
15
d3
14
f6/e5 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#96
♚e6?? vs Makkar
Endgame · OTB · 2025
#69
♚xh5?? vs Volokitin
Endgame · OTB · 2025
#47
♝g6?? vs Chanda
Endgame · OTB · 2025
#37
♛f3?? vs Lentrodt
Endgame · OTB · 2025
#78
♞f3+?? vs Jacobson
Endgame · OTB · 2025
#57
♚c6?? vs Hess
Endgame · OTB · 2025

Recent games

Shyaam Nikhil P(2428)

24th Spilimbergo Open · 15 Aug 2026

1–0
Sardana, Rishi(2506)

24th Spilimbergo Open · 14 Aug 2026

0–1
Muthaiah AL(2455)

24th Spilimbergo Open · 13 Aug 2026

1–0
Chasin, Nico(2470)

24th Spilimbergo Open · 12 Aug 2026

½–½
Rios Gomez, Cristhian Camilo(2406)

24th Spilimbergo Open · 11 Aug 2026

1–0
Marin, Mihail(2402)

24th Spilimbergo Open · 10 Aug 2026

½–½

Endgame statistics

Repertoire

PRO
625 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
306 games42%W40%D18%L
Move
1. e4
2904w
40%41%19
61%
1. d4
124w
67%25%
79%
1. ♞f3
49m
50%25%25%
63%

🍪 Cookies · Chess Stalker stores in your browser only what it needs to work (session and preferences) and measures its audience with its own cookie-free analytics. Analytics are optional.