Cossin, Sebastien

FRA FRA·Born 1986·FIDE #618802·429 Games

FIDE OTB · #618802 · 429 Games

Classical2502428 g Games

Rapid—1 g Games

Blitz—0 g Games

Play against Cossin's Twin

PRO

Uses their openings, level & style

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

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429 games analyzed

Statistics

Total

429

Wins

196

Draws

127

Losses

106

46%30%25%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 92.2% average

Very consistent (90%)

Very precise: only 0.1 blunders/game

Dominates 1.e4 ♔ (68% in 11 games)

Deep Analysis

Stockfish 18 · Classical games · 11 analyzed

Accuracy by phase

Opening

96.1%

Middlegame

93.4%

Endgame

95.2%

Clutch Factor

+7%

Winning (+2)Winning (+2)

96%4g

EqualEqual position

94%2g

Losing (−2)Losing (−2)

89%5g

Accuracy under pressure

Problematic Pieces — which cause most errors?

40%

4 err

30%

3 err

20%

2 err

10%

1 err

0 err

Critical Moment

Move 36 avg

1-15

16-25

26-35

100%

36-45

46+

100% of blunders after move 36-45 — keep the tension until then.of blunders occur in moves 36-45. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

g5 / b3

Critical squares

2 err

1 err

g5/b3 account for most of the errors. Force decisions in those zones.

Openings

429 GamesBased on 429 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite59.3%Wins

King's Indian — 1.d4 Nf6 2.c4 g627 Games · last played 8 years ago

27 Games · last played 8 years ago

aswhite60.0%Wins

Grünfeld — 1.d4 Nf6 2.c4 g6 3.Nc3 d510 Games · last played 10 years ago

10 Games · last played 10 years ago

asblack60.0%Wins

Sicilian: Dragon — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g610 Games

10 Games

asblack57.1%Wins

King's Indian — 1.d4 Nf6 2.c4 g628 Games · last played 8 years ago

28 Games · last played 8 years ago

Critical Blunders

4 errors · Stockfish

#36Rc3??Tacticsvs HamiteviciOTB · 2019

#34Qc7+??Tacticsvs BauerOTB · 2019

#27Nb3??Tacticsvs HeimannOTB · 2019

#65Re2??Endgamevs CaruanaOTB · 2009

Recent Games

429 Games

Win

Karthikeyan, Murali(2596)

TCh-FRA Top 12 2019 · 27 May 2019

1-0

Win

Karthikeyan M2(2596)

TCh-FRA Top 12 2019 · 27 May 2019

1-0

Win

Kosten, Anthony C.(2419)

TCh-FRA Top 12 2019 · 26 May 2019

1-0

Loss

Balogh, C.(2598)

TCh-FRA Top 12 2019 · 25 May 2019

1-0

Loss

Balogh, Csaba(2598)

TCh-FRA Top 12 2019 · 25 May 2019

1-0

Loss

Hamitevici, Vladimir(2476)

TCh-FRA Top 12 2019 · 24 May 2019

0-1

Endgame Statistics

PRO9 endgames (81.8%)

Strongest

60%

Rook + Minor

Weakest

Reaches Endgame

81.8%

9 / 11

B vs N Pref

0% · 0%

1 / 0

PiecesTypeWin %Games

Rook + Minor

60%5

Rook vs Rook

100%3

Rook + Equal Minors

100%3

Double Rook

100%2

Queen vs Fortress

0%2

Rook + Bishop Pair

0%1

Rook + Minor60%5

Rook vs Rook100%3

Rook + Equal Minors100%3

Double Rook100%2

Queen vs Fortress0%2

Rook + Bishop Pair0%1

Weakest: 0%Show all 10 types

Unlock Endgame Statistics

10 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

220 Games

50%30%20%

Move	Games	%
1.d4	120	64%
1.c4	73	67%
1.Nf3	16	59%
1.e4	11	68%

MoveGamesPerformance%

1.d4

120

64%

1.c4

67%

1.Nf3

59%

1.e4

68%