Chess Stalker
C
GM

Cheparinov, Ivan

BUL BUL·Born 1986

FIDE OTB · #2905540 · 3,426 Games

Classical26312,725 g
Rapid2615261 g
Blitz2575462 g

Play against Cheparinov's Twin

PRO

Uses their openings, level & style

Statistics

Total

3426

Wins

1444

Draws

1407

Losses

574
42%41%17%

Play Style

before facing them
Elite accuracy: 94.9% average
Very consistent (92%)
Very precise: only 0.0 blunders/game
Dominates 1.e4 ♔ (70% in 704 games)

Deep Analysis

Stockfish 18 · Classical games · 617 analyzed
Accuracy by phase
Opening
97.2%
Middlegame
94.4%
Endgame
95.5%
Clutch Factor
+5%
Winning (+2)
96%
Equal
96%
Losing (−2)
91%
Problematic Pieces
21%
49 err
20%
47 err
17%
40 err
16%
37 err
14%
33 err
12%
29 err
Critical Moment
Move 52 avg
0%
1-15
0%
16-25
25%
26-35
17%
36-45
58%
46+
58% of blunders after move 46 — keep the tension until then.
Error Heatmap
13
11
Few
Many
d5
13 err
e5
11 err
g5
10 err
b6
9 err
d8
8 err
d5/e5 account for most of the errors. Force decisions in those zones.

Openings

3,426 Games

Weaknesses

— exploit these
aswhite50.0%Losses
Sicilian: Sveshnikov — 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5
10 Games · last played 4 years agoPlay this line

No significant weaknesses detected as black

Strengths

— avoid these
aswhite87.5%Wins
Reti vs King's Indian — 1.Nf3 Nf6 2.c4 g6
16 Games · last played 2 years ago
aswhite66.2%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d6
130 Games · last played 2 months ago
asblack47.6%Wins
Sicilian: Rossolimo — 1.e4 c5 2.Nf3 Nc6 3.Bb5
21 Games · last played 3 months ago
asblack46.2%Wins
Nimzo-Indian: Capablanca — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3
13 Games · last played 11 months ago

Critical Blunders

10 errors
Rxb6??vs BaklanOTB · 2026
Qc5??vs ValergaBlitz · 2025
Rd1??vs VillegasBlitz · 2025
Ke4??vs SchnaiderOTB · 2025
Rc5??vs Perez PonsaBlitz · 2025
Re8??vs Della MorteBlitz · 2025
Kg6??vs VillarrealBlitz · 2025
Nxd8??vs HongOTB · 2025
Nc5??vs MuradliOTB · 2025
Ke5??vs PetrosyanOTB · 2025

Recent Games

D
Dardha, Daniel(2587)

TCh-FRA Top 16 Haute 2026 · 14 Jun 2026

½-½
W
Idani, Pouya(2614)

TCh-FRA Top 16 Haute 2026 · 13 Jun 2026

0-1
D
Chabanon, Jean-Luc(2351)

TCh-FRA Top 16 Haute 2026 · 11 Jun 2026

½-½
D
Mariette, Lucas(2301)

TCh-FRA Top 16 GpB 2026 · 10 Jun 2026

½-½
W
Solodovnichenko, Yuri(2510)

TCh-FRA Top 16 GpB 2026 · 8 Jun 2026

1-0
L
Pranesh M(2644)

TCh-FRA Top 16 GpB 2026 · 7 Jun 2026

1-0

Endgame Statistics

PRO

Repertoire

8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Move arrowsmost-played moves
Starting Position
Stockfish
1718 Games
49%38%13%
MoveGamesPerformance%
1.d4
830
67%
1.e4Strong
704
70%
1.Nf3
137
66%
1.c4
47
62%

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