My Databases
Log in
Register
Games
Openings
Puzzles
Tournaments
Players
News
Light / Fun
Opening Repertoire Filter
My Databases
Games
Top games
Annotated games
Ten Classics
Top 250 Games
Most viewed games
ChessSpider!
Explorer
Novelties
Openings By Name/ECO
Latest Opening Trends
Chess Delight
Endgames
Puzzles
Checkmates - Advanced
Loyd on Saturday
Top tournaments in...
All-time top tournaments
Tournament Explorer
32 Classics
Portrait of a World Champion
Top players in...
Top players of all time
Player Profile
Player Explorer
Elo Calculator
News
Latest games
Chess Fun Quiz
Twenty-four miniatures
Player Profile
Player:
(Eg:
Carlsen,Magnus
)
Koski, Pekka
FIDE
:
FIDE Card
Years
:
1996-2019
Number of games
:
111
Number of wins
:
46
Number of draws
:
24
Number of losses
:
41
White score
:
34½/55 (62.73% - Average Elo: 2072.5)
Black score
:
23½/56 (41.96% - Average Elo: 2030.52)
Rating progression
Games
White wins
White draws
White losses
Black wins
Black draws
Black losses
Top wins
Koski, Pekka - Kilpi, Teemu (2170), Oulu We Sh 77 op, Oulu (D31) - 1998
Koski, Pekka - Sassi, Pekka (2080), Oulu We Sh 77 op, Oulu (D37) - 2010
Koski, Pekka (1855) - Savola, Laura (1880), Oulu We Sh 77 op, Oulu (D55) - 2005
Pyylampi, Sauli (2091) - Koski, Pekka, FIN-chT1C 0304, Finland (E20) - 2004
Lehtosaari, Kalevi (2050) - Koski, Pekka (1859), Oulu We Sh 77 op, Oulu (A29) - 2005
Lardot, Derik (2045) - Koski, Pekka, Oulu We Sh 77 op, Oulu (C47) - 2006
Koski, Pekka - ? (51)
Hautala, Roman (½/2)
Hermlin, Aarne (0/2)
Sassi, Pekka (1/2)
Terasti, Pasi (1/2)
Antonov, Maria Katariina (1/1)
Fagerholm, Rainer (0/1)
Garfinkel, Jevgeni (0/1)
Gorfinkel, Evgeny M (½/1)
Hanninen, Heikki (½/1)
Hartio, Ilkka (0/1)
Heinoja, Ari (1/1)
Houtsonen, Pedri (½/1)
Huovinen, Sauli (1/1)
Ilonen, Ilmari (1/1)
Juntunen, Jaakko (0/1)
Jylha Ollila, Kaarlo (1/1)
Kainulainen, Joona (0/1)
Kallio, Juho (½/1)
Kauko, Jussi Matti (0/1)
Kekki, Jorma J (½/1)
Ketelimaki, Teemu (0/1)
Kilpi, Teemu (1/1)
Kononen, Keijo (0/1)
Laakkonen, Markus (1/1)
Lardot, Derik (1/1)
Latvio, Erkki (1/1)
Lauronen, Terhi (1/1)
Lindell, Tuomo (1/1)
Linqvist, Grels (½/1)
Maatta, Vesa (0/1)
Nuutinen, Pan (1/1)
Nystrom, Jarno (1/1)
Parkkinen, Jyrki (0/1)
Peltomaa, Jukka (1/1)
Pitkaaho, Aki (1/1)
Pospiech, Helmut (½/1)
Rantsi, Kauko (1/1)
Rintakoski, Pentti (1/1)
Salo, Simo (1/1)
Sassi, Matti (1/1)
Savola, Laura (1/1)
Seppelin, Vesa (1/1)
Siljander, Juhana (0/1)
Takalo Eskola, Toivo (1/1)
Terho, Jarmo (1/1)
Turunen, Tuomo (1/1)
Udd, Kalle (1/1)
Ukkonen, Heimo (1/1)
Vallas, Pekka (1/1)
Valli, Frans (½/1)
Wasen, Joakim (1/1)
? - Koski, Pekka (52)
Lauronen, Tapio (½/2)
Leukkunen, Raimo (1½/2)
Nivala, Tuomas (0/2)
Sassi, Matti (1/2)
Alho, Sauli (0/1)
Bjarnemark, Douglas (0/1)
Dannenberg, Alia (0/1)
Forstadius, Jussi (1/1)
Gorfinkel, Evgeny M (½/1)
Hermlin, Aarne (0/1)
Hietala, Riku (1/1)
Huovinen, Sauli (1/1)
Julkunen, Tapio (½/1)
Juntunen, Jaakko (0/1)
Kapanen, Keijo (0/1)
Karjalainen, Joni (½/1)
Karttunen, Mika (0/1)
Kemppainen, Tuomo (0/1)
Ketola, Jukka (1/1)
Ketola, Ville (½/1)
Kokkila, Tero (0/1)
Koping, Stig (0/1)
Kuusela, Matti (0/1)
Kynsilehto, Markku (1/1)
Laitinen, Jorma (½/1)
Lardot, Derik (1/1)
Latvio, Erkki (½/1)
Lehtonen, Simo (0/1)
Lehtosaari, Kalevi (1/1)
Lillipuu, Olev (½/1)
Linden, Lari (1/1)
Maki Torkko, Martti (0/1)
Matilainen, Juhani (1/1)
Miskala, Juha (0/1)
Niemela, Risto (1/1)
Nieminen, Iiro Matti (½/1)
Orpana, Mikko (1/1)
Parkkinen, Jyrki (0/1)
Peltomaa, Jukka (½/1)
Pyylampi, Sauli (1/1)
Rantanen, Veikko J (1/1)
Runonen, Rolf (1/1)
Salmelin, Aaro (0/1)
Sandvik, Thomas (0/1)
Sassi, Pekka (0/1)
Siljander, Juhana (1/1)
Terasti, Pasi (0/1)
Verkasalo, Tommi (0/1)
Vesalainen, Petteri (0/1)
Viirret, Janne (½/1)
Viljanen, Jouko (½/1)
Wallin, Aleksi (0/1)
Openings played as White (38)
D08 Queen's Gambit Declined, Albin Counter Gambit (1.d4 d5 2.c4 e5)
Average Elo:
1985.5
Result:
2½/4 = 62.5%
D20 Queen's Gambit Accepted (1.d4 d5 2.c4 dxc4)
Average Elo:
0
Result:
1/2 = 50%
A83 Dutch, Staunton Gambit (1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5)
Average Elo:
1851
Result:
1/2 = 50%
A80 Dutch (1.d4 f5)
Average Elo:
0
Result:
1/2 = 50%
A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo:
0
Result:
1½/2 = 75%
D80 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5)
Average Elo:
2095
Result:
1/2 = 50%
E84 King's Indian, Samisch, Panno Main line (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 a6 8.Qd2 Rb8)
Average Elo:
0
Result:
1/2 = 50%
E83 King's Indian, Samisch (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6)
Average Elo:
2168
Result:
1½/2 = 75%
D35 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6)
Average Elo:
2170
Result:
1½/2 = 75%
E34 Nimzo-Indian, Classical, Noa Variation (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5)
Average Elo:
2136
Result:
1/2 = 50%
E21 Nimzo-Indian, Three Knights (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3)
Average Elo:
0
Result:
1½/2 = 75%
A65 Benoni, 6.e4 (1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4)
Average Elo:
2268
Result:
0/2 = 0%
E85 King's Indian, Samisch, Orthodox Variation (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5)
Average Elo:
0
Result:
1/2 = 50%
D53 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7)
Average Elo:
0
Result:
2/2 = 100%
D55 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3)
Average Elo:
1880
Result:
2/2 = 100%
A85 Dutch, with c4 & Nc3 (1.d4 f5 2.c4 Nf6 3.Nc3)
Average Elo:
0
Result:
½/1 = 50%
D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.Qc2)
Average Elo:
0
Result:
½/1 = 50%
E88 King's Indian, Samisch, Orthodox, 7.d5 c6 (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6)
Average Elo:
0
Result:
1/1 = 100%
A60 Benoni Defense (1.d4 Nf6 2.c4 c5 3.d5 e6)
Average Elo:
2295
Result:
0/1 = 0%
A56 Benoni Defense (1.d4 Nf6 2.c4 c5)
Average Elo:
2285
Result:
0/1 = 0%
D10 Queen's Gambit Declined Slav (1.d4 d5 2.c4 c6)
Average Elo:
0
Result:
0/1 = 0%
D07 Queen's Gambit Declined, Chigorin Defense (1.d4 d5 2.c4 Nc6)
Average Elo:
0
Result:
1/1 = 100%
D59 Queen's Gambit Declined, Tartakower (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6 8.cxd5 Nxd5)
Average Elo:
2140
Result:
½/1 = 50%
D31 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3)
Average Elo:
2170
Result:
1/1 = 100%
E32 Nimzo-Indian, Classical (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2)
Average Elo:
0
Result:
0/1 = 0%
E65 King's Indian, Fianchetto, Yugoslav, 7.O-O (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 7.O-O)
Average Elo:
1585
Result:
1/1 = 100%
A52 Budapest Gambit (1.d4 Nf6 2.c4 e5 3.dxe5 Ng4)
Average Elo:
0
Result:
1/1 = 100%
D06 Queen's Gambit Declined (1.d4 d5 2.c4)
Average Elo:
0
Result:
1/1 = 100%
D13 Queen's Gambit Declined Slav, Exchange Variation (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5)
Average Elo:
2066
Result:
½/1 = 50%
E39 Nimzo-Indian, Classical, Pirc Variation (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O)
Average Elo:
0
Result:
0/1 = 0%
D37 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3)
Average Elo:
2080
Result:
1/1 = 100%
E90 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3)
Average Elo:
0
Result:
1/1 = 100%
D14 Queen's Gambit Declined Slav, Exchange Variation (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 Bf5)
Average Elo:
0
Result:
1/1 = 100%
D30 Queen's Gambit Declined (1.d4 d5 2.c4 e6)
Average Elo:
0
Result:
0/1 = 0%
D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Qc2)
Average Elo:
0
Result:
1/1 = 100%
D60 Queen's Gambit Declined, Orthodox Defense (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7)
Average Elo:
0
Result:
1/1 = 100%
D51 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7)
Average Elo:
0
Result:
1/1 = 100%
E81 King's Indian, Samisch (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O)
Average Elo:
0
Result:
1/1 = 100%
Openings played as Black (42)
C45 Scotch Game (1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4)
Average Elo:
0
Result:
1½/4 = 37.5%
C56 Two Knights (1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4)
Average Elo:
1953
Result:
1½/4 = 37.5%
C47 Four Knights (1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6)
Average Elo:
2045
Result:
1/3 = 33.33%
A00 Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo:
2110.5
Result:
½/2 = 25%
C68 Ruy Lopez, Exchange (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6)
Average Elo:
0
Result:
1/2 = 50%
A29 English, Four Knights, Kingside Fianchetto (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3)
Average Elo:
2034
Result:
1/2 = 50%
E90 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3)
Average Elo:
0
Result:
1/2 = 50%
C88 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3)
Average Elo:
2164.5
Result:
0/2 = 0%
C42 Petrov Defense (1.e4 e5 2.Nf3 Nf6)
Average Elo:
0
Result:
1/2 = 50%
E73 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2)
Average Elo:
0
Result:
1/1 = 100%
A45 Queen's Pawn Game (1.d4 Nf6)
Average Elo:
0
Result:
1/1 = 100%
C65 Ruy Lopez, Berlin Defense (1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6)
Average Elo:
0
Result:
1/1 = 100%
A22 English (1.c4 e5 2.Nc3 Nf6)
Average Elo:
2205
Result:
0/1 = 0%
D78 Neo-Grunfeld, 6.O-O c6 (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6)
Average Elo:
0
Result:
0/1 = 0%
E83 King's Indian, Samisch (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6)
Average Elo:
0
Result:
½/1 = 50%
E06 Catalan, Closed, 5.Nf3 (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3)
Average Elo:
0
Result:
0/1 = 0%
A46 Queen's Pawn Game (1.d4 Nf6 2.Nf3)
Average Elo:
0
Result:
0/1 = 0%
C55 Two Knights Defense (1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6)
Average Elo:
0
Result:
1/1 = 100%
C54 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4)
Average Elo:
0
Result:
0/1 = 0%
E04 Catalan, Open, 5.Nf3 (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3)
Average Elo:
0
Result:
0/1 = 0%
C77 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6)
Average Elo:
0
Result:
0/1 = 0%
C50 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5)
Average Elo:
0
Result:
1/1 = 100%
E61 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3)
Average Elo:
0
Result:
1/1 = 100%
C32 King's Gambit Declined, Falkbeer Counter Gambit (1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 )
Average Elo:
0
Result:
½/1 = 50%
E20 Nimzo-Indian (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4)
Average Elo:
2091
Result:
1/1 = 100%
D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo:
0
Result:
½/1 = 50%
B02 Alekhine's Defense (1.e4 Nf6)
Average Elo:
0
Result:
0/1 = 0%
A48 King's Indian (1.d4 Nf6 2.Nf3 g6)
Average Elo:
0
Result:
1/1 = 100%
C24 Bishop's Opening (1.e4 e5 2.Bc4 Nf6)
Average Elo:
1736
Result:
½/1 = 50%
E84 King's Indian, Samisch, Panno Main line (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 a6 8.Qd2 Rb8)
Average Elo:
2229
Result:
0/1 = 0%
C44 King's Pawn Game (1.e4 e5 2.Nf3 Nc6)
Average Elo:
2148
Result:
½/1 = 50%
C79 Ruy Lopez, Steinitz Defense Deferred (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6)
Average Elo:
2129
Result:
0/1 = 0%
E11 Bogo-Indian Defense (1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+)
Average Elo:
0
Result:
½/1 = 50%
C70 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4)
Average Elo:
1958
Result:
1/1 = 100%
E91 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2)
Average Elo:
1816
Result:
1/1 = 100%
D06 Queen's Gambit Declined (1.d4 d5 2.c4)
Average Elo:
2148
Result:
½/1 = 50%
A16 English (1.c4 Nf6 2.Nc3)
Average Elo:
2046
Result:
0/1 = 0%
C21 Center Game (1.e4 e5 2.d4 exd4)
Average Elo:
0
Result:
1/1 = 100%
D13 Queen's Gambit Declined Slav, Exchange Variation (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5)
Average Elo:
1869
Result:
½/1 = 50%
D52 Queen's Gambit Declined (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3)
Average Elo:
1824
Result:
0/1 = 0%
C29 Vienna Gambit (1.e4 e5 2.Nc3 Nf6 3.f4)
Average Elo:
1978
Result:
0/1 = 0%
E01 Catalan, Closed (1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2)
Average Elo:
1956
Result:
0/1 = 0%