Sonis, Francesco

ITA ITA·Born 2002·FIDE #895733·2,182 Games

Classical25401,993 Games

Rapid257152 Games

Blitz2463137 Games

Play against Sonis, Francesco's Twin

PRO

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

Ready to play

2182 games analyzed

Statistics

Total

2182

Wins

1075

Draws

527

Losses

579

49%24%27%

Play Style

What you need to know before facing them

Elite accuracy: 93.5% average

Very consistent (91%)

Very precise: only 0.1 blunders/game

Dominates 1.Nf3 ♔ (67% in 303 games)

Deep Analysis

Stockfish 18 · Classical games · 596 analyzed

Accuracy by phase

Opening

96.3%

Middlegame

93.7%

Endgame

95.2%

Clutch Factor

+5%

Winning (+2 or more)

95%219g

Equal position

95%177g

Losing (-2 or more)

90%104g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

21%

91 errors

19%

81 errors

16%

69 errors

16%

68 errors

14%

59 errors

14%

62 errors

Critical Moment — When does the first serious error occur?

Move 46 average

16%

28%

44%

1-15

16-25

26-35

36-45

46+

44% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

137

Hotspot zone

e4 / f4

Critical squares

23 err

17 err

15 err

13 err

e4/f4 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

White50.0%Loses

Sicilian: Open — 1.e4 c5 2.Nf3 d6 3.d4

14 Games · last played 2 months agoPlay this line

White50.0%Loses

English: Four Knights — 1.c4 e5 2.Nc3 Nf6

10 Games · last played 5 months agoPlay this line

No significant weaknesses detected as Black

Strengths

— avoid these lines

White78.6%Wins

Reti vs King's Indian — 1.Nf3 Nf6 2.c4 g614 Games · last played last year

White60.7%Wins

King's Indian — 1.d4 Nf6 2.c4 g656 Games · last played 2 months ago

Black56.3%Wins

Scotch Game — 1.e4 e5 2.Nf3 Nc6 3.d416 Games

Black52.6%Wins

Ruy Lopez: Steinitz Deferred — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d638 Games

Critical Blunders

10 errors · Stockfish

#18Bd8??Tacticsvs KaminskiiOTB · 2026

#47Kc6??Endgamevs LeeOTB · 2026

#37Ba1??Tacticsvs LortkipanidzeOTB · 2026

#14Nc6??Tacticsvs De FilomenoOTB · 2026

#35gxf4+??Tacticsvs CaruanaOTB · 2026

#80Re1??Endgamevs NepomniachtchiOTB · 2026

#17Qxf3??Tacticsvs CaruanaOTB · 2026

#72f5??Endgamevs NepomniachtchiOTB · 2026

#66Kf4??Endgamevs PreotuOTB · 2025

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Endgame Statistics

PRO23 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

1106 Games

54%24%22%

Move	Games	%
1.d4	420	66%
1.Nf3	303	67%
1.e4	200	65%
1.c4	147	65%
1.b3	16	63%
1.f4 Strong	9	72%
1.g3 Strong	4	88%
1.Nc3 Weak	4	25%
1.d3	2	50%
1.b4 Strong	1	100%

MoveGamesPerformance%

1.d4

420

66%

1.Nf3

303

67%

1.e4

200

65%

1.c4

147

65%

1.b3

63%

1.f4Strong

72%

1.g3Strong

88%

1.Nc3Weak

25%

1.d3

50%

1.b4Strong

100%