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Jan Sosna

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Fide Id304379
CZE Id202
TitleInternational Master
FederationCzech Republic fed
FIDE Elo2350 
Highest 2441 (October 2003)
URS Rating2325 
National Elo2363
Born 14.Oct.1960  (Age 58)
ClubSk Slavoj Poruba
 Ranking: World #3426, Europe #2610, Czech Republic #79
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Chess games of Jan Sosna:    PGN Database (JanSosna.pgn)  [512 games]

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Play Style


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Play chess against Jan Sosna (computer simulated play style): with white or black.
Opening (White) Realtime (beta)Opening (Black) Realtime (beta)
Queen's pawn (48%): D02 D03 D02 A40 A45 A40Queen's gambit (28%): D35 D31 D30 D53 D11 D10
King's Indian, East Indian (20%): A48 A48 A48Ruy Lopez (23%): C63 C65 C63 C65 C63 C63
Sicilian defence (10%): B52 B52 B31 B30 B51 B40Reti (9%): A06 A04 A09 A09 A07
French defence (5%): C10 C09 C05 C04 C01 C03Queen's pawn (7%): A46 D02 D03 D02 D00 D02
Two knights defence (3%): C58 C58 C57 C57 C55English (6%): A11 A10 A15 A13 A13 A13
Play tendenciesEndgame tendencies
Sacrifices: Not availableAverage draws at: Move #41 (details)
Blunders (): Explore blunders Optimal play:   99.6%  [what is this?]
Positional player: Not available Optimal checkmate:   58.53%  [what is this?]
Exchange tendencies: +0.84 (details) Endgame blunders: Explore blunders
Stockfish first line: Not available [calculate] Strength:         
Quality of play:  86.04 (games[what is this?] Exploitive analysis: Not available
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Live Games


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Chess Games


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Rating History ()


The graph shows Jan Sosna's rating history vs. the World #100 (age considered) for each rating period (read more ...)

Tournament History


Sources: fide.com, schachbund.de, chess-results.com, uschess.org, others coming soon.

Tournament (Click on name for details) VenueDate
3rd Liga A2 R5 Slovakia2015.12.201640
1st Liga Vychod r5 Czech Republic2015.12.132110
2nd Liga Skupina A R5-6 Slovakia2015.12.052000
tht Extraliga r3-4 Czech Republic2015.12.052360
3rd Liga A2 R4 Slovakia2015.11.291650
1st Liga Vychod r3-4 Czech Republic2015.11.152110
3rd Liga A2 R3 Slovakia2015.11.151650
tht Extraliga r1-2 Czech Republic2015.11.072360
2nd Liga Skupina A R3-4 Slovakia2015.11.072000
2nd Liga Skupina A R1-2 Slovakia2015.10.172000
3rd Liga A2 R1-2 Slovakia2015.10.111650
1st Liga Vychod r1-2 Czech Republic2015.10.112110
    (106 more)
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