S
IM
Stoyanov, Tsvetan
BUL·Born 2004·FIDE #2917173·1,275 Games
Classical24401,240 Games
Rapid24374 Games
Blitz240431 Games
Play against Stoyanov, Tsvetan's Twin
PROUses their openings, level & style
Practice against a bot that uses their real openings and playing style
Ready to play
1275 games analyzed
Statistics
Total
1275Wins
595Draws
290Losses
38847%23%30%
Play Style
What you need to know before facing themElite accuracy: 93.7% average
Solid conversion: 87%
Very consistent (91%)
Very precise: only 0.1 blunders/game
Dominates 1.b3 ♔ (70% in 25 games)
Vulnerable to 1.Nf3 ♚ (only 45%)
Deep Analysis
Stockfish 18 · Classical games · 408 analyzedAccuracy by phase
Opening
96.4%
Middlegame
93.8%
Endgame
95.0%
Clutch Factor
+5%Winning (+2 or more)
95%174g
Equal position
95%136g
Losing (-2 or more)
90%98g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
24%
80 errors
19%
64 errors
18%
61 errors
16%
52 errors
12%
41 errors
11%
35 errors
Critical Moment — When does the first serious error occur?
Move 39 average0%
18%
35%
24%
24%
1-15
16-25
26-35
36-45
46+
35% of blunders occur between move 26-35. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
11
13
FewMany
Errors mapped
98
Hotspot zone
e4 / c5
Critical squares
e4
13 err
c5
11 err
d4
10 err
d5
10 err
e5
10 err
e4/c5 concentrate most errors. Force decisions in those zones.
Openings
Based on player gamesWeaknesses
— exploit these linesWhite50.0%Loses
Italian: Two Knights — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6
8 Games · Low sample · last played last yearPlay this line
White44.4%Loses
Sicilian: Closed — 1.e4 c5 2.Nc3 Nc6
9 Games · Low sample · last played 4 years agoPlay this line
Black62.5%Loses
Petroff: Main Line — 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6
8 Games · Low sample · last played 11 months agoPlay this line
Strengths
— avoid these linesWhite69.2%Wins
English: Anglo-Indian — 1.c4 Nf6 2.Nc3 g613 Games · last played 2 months ago
White60.9%Wins
English: Four Knights — 1.c4 e5 2.Nc3 Nf623 Games · last played 2 months ago
Black63.6%Wins
Slav Defense — 1.d4 d5 2.c4 c611 Games · last played 5 years ago
Black46.7%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d6122 Games
Critical Blunders
10 errors · Stockfish#53Kf8??vs VaibhavOTB · 2026
#33Re1??vs BrankovicOTB · 2025
#41Qa6??vs FilipOTB · 2025
#32Bc5+??vs Pranav VOTB · 2025
#26Qe3??vs KochaviOTB · 2025
#35Re6??vs Uber GraciaOTB · 2024
#27f4??vs AhmadOTB · 2024
#57Bc5??vs PichotOTB · 2024
#18Qa4??vs FirouzjaOTB · 2024
#30axb6??vs CitakOTB · 2024
Recent Games
1,275 GamesW
Ochedzan, Filip(2239)
4th Munich Whitsun Open A · 29 May 2026
D
Dorrance, Adam(2315)
4th Munich Whitsun Open A · 28 May 2026
D
Oktem, Ege Tuna(2340)
4th Munich Whitsun Open A · 27 May 2026
D
Stelmaszyk, Nico(2359)
4th Munich Whitsun Open A · 27 May 2026
W
Friedrich, Ricardo(2272)
4th Munich Whitsun Open A · 26 May 2026
D
Selbes, Tamer Tarik(2258)
4th Munich Whitsun Open A · 25 May 2026
Endgame Statistics
PRO23 endgame categories analyzedEndgame Statistics
Reveal weaknesses →
23 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
649 Games
50%25%25%
MoveGamesPerformance%
1.e4
42962%
1.c4
14365%
1.Nf3
3267%
1.b3
2570%
1.d4
1553%
1.g3Weak
30%
1.e3
150%
1.f4Strong
1100%
BUL