Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f2→g3, h2→g3 ● e6→d5, f7→e6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● b5 (2v0)
Cases faibles
Centre ● d4 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bf1 ● Bf1 Non développé (mob. 7)
Bc8 ● Bc8 Non développé (mob. 1)
Bf8 ● Bf8 Non développé (mob. 2)
Paire de fous ● Oui ● Oui
Non développées 5 (● g1, ● c1, ● f1, ● a1, ● h1) 6 (● b8, ● g8, ● c8, ● f8, ● a8, ● h8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Au centre ● Au centre
Droits de roque O-O / O-O-O O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre tension
Ruptures ● d2-d4 ● …f7-f5

B23j — Sicilian: Closed, Korchnoi Variation

1.e4 c5 2.Nc3 e6 3.g3 d5 *   ○ Trait aux Blancs

Ouverture — Tension centrale

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bB
bN
bR
bP
bP
bP
bP
bP
bP
Case forte (2v0)
bP
bP
wPPion central
wN
wP
wP
wP
wP
wP
wP
wP
wR
wB
wQ
wK
wBFou actif — mobilité 7
wN
wR
abcdefgh
Plans. exd5 (Capture en d5, Occuper le centre — 50 % des parties) ; Bg2 (Fianchetto, fou sur la grande diagonale — 26 % des parties) ; d3 (Libérer Bf1, préparer Bd3 — 24 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wB
wK
wQ
wB
wR
wP
wP
wP
wP
wP
wP
wP
wN
wP
bP
bP
bP
bP
bP
bP
bP
bP
bR
bN
bB
bK
bQ
bB
bN
bR
hgfedcba
Plans. ...Nf6 (Développer g8 — 20 % des parties) ; ...d4 (Occuper le centre — 13 % des parties) ; ...dxe4 (Capture en e4, Occuper le centre — 11 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
? 1998 – Round ? – Dragan Talpa, Marco – 0-1 – Kasparov, Garry – G51
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. Nge2 d4 7. Ne4 Nxe4 8. Bxe4 Nd7 9. O-O Nf6 10. Bg2 Bd6
? 2000 – Round ? – Short, Nigel D – 1-0 – Wojtkiewicz, Aleksander – G58
1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 dxe4 5. Nxe4 Nc6 6. d3 Be7 7. f4 Nf6 8. Nf3 Qc7 9. O-O O-O 10. Kh1 b6
1904 Cambridge Springs – Round 11 – Teichmann, Richard – 0-1 – Mieses, Jacques – G51
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. d4 Nf6 6. Bg2 cxd4 7. Qxd4 Nc6 8. Qa4 Bb4 9. Ne2 O-O 10. O-O Bxc3
1904 Cambridge Springs – Round 12 – Lawrence, Thomas F – 0-1 – Schlechter, Carl – G24
1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 Nf6 5. d3 Be7 6. Nge2 Nc6 7. O-O d4 8. Nb1 h5 9. h3 e5 10. f4 Bd7
1904 London – Round 14 – Mason, James – 0-1 – Van Vliet, Louis – G39
1. e4 c5 2. Nc3 e6 3. g3 d5 4. d3 Nf6 5. Bg2 Nc6 6. Bd2 Be7 7. Nge2 d4 8. Nb1 a6 9. Na3 e5 10. Nb1 Be6
1907 Ostende – Round 1 – Chigorin, Mikhail – 0-1 – Tarrasch, Siegbert – G8
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d3 Be7 7. Nge2 d4 8. Ne4 O-O 9. O-O Nc6 10. Nf4 Ne5
1907 Ostende – Round 2 – Chigorin, Mikhail – 1/2-1/2 – Marshall Viele, Fabrizio Aaron – G20
1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 Nf6 5. d3 Nc6 6. Nge2 d4 7. Nb1 Be7 8. Nd2 h5 9. Nf3 Ng4 10. h3 Nf6
1927 London Olympiad 1st – Round 15.73 – Hromadka, Karel – 1-0 – Nogues Acuna, Alejandro – G169
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. d4 Be6 6. Nge2 Nf6 7. Bg2 c4 8. O-O Bd6 9. Bg5 Be7 10. Bxf6 Bxf6
1930 Paris – Round 6 – Gromer, Aristide – 1-0 – Mieses, Jacques – G11
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. d4 Nf6 6. Bg5 Be7 7. Nge2 Nc6 8. Bg2 cxd4 9. Bxf6 Bxf6 10. Nxd5 O-O
1942 Kuibyshev – Round 9 – Alatortsev, Vladimir N. – 1-0 – Mikenas, Vladas – G41
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d3 Be7 7. Nge2 O-O 8. d4 Nc6 9. Be3 Ng4 10. Nxd5 Nxe3
1947 Chigorin Memorial – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Trifunovic, Petar – G52
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d3 d4 7. Ne4 Nxe4 8. Bxe4 Bd6 9. Qh5 Nd7 10. Bg5 Be7
1947 GBR Ch 34. Premier – Round 11 – Truscott, Alan Fraser – 0-1 – Aitken, James – G31
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d3 Be7 7. Nge2 Nc6 8. O-O O-O 9. Nf4 Bg4 10. Nce2 d4
1947 GBR Ch 34th – Round 7 – Thomas, George Alan – 1-0 – Blow, Ronald – G33
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. d4 Nc6 6. Bg2 Be6 7. Nge2 Nf6 8. O-O Be7 9. Be3 cxd4 10. Nxd4 Bg4
1948 Budapest – Round 7 – Bakonyi, Elek – 0-1 – Trifunovic, Petar – G38
1. e4 c5 2. Nc3 e6 3. g3 d5 4. d3 dxe4 5. Nxe4 Be7 6. Bg2 Nf6 7. Be3 Nd5 8. Bd2 O-O 9. Ne2 Nc6 10. O-O Qd7
1955 Wch U20 prel-C – Round 4 – Broden, Per – 0-1 – Ciric, Dragoljub M – G11
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. d4 cxd4 6. Qxd4 Be6 7. Nf3 Nc6 8. Qd1 d4 9. Ne2 Bb4+ 10. Bd2 d3
1960 Ljubljana – Round 15 – Janosevic, Dragoljub – 1-0 – Kozomara, Vlado – G101
1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 d4 5. Nce2 e5 6. Nf3 Nc6 7. d3 f6 8. Nh4 g5 9. Nf5 Nge7 10. f4 Nxf5
1965 Pardubice – Round 1 – Machacek, Petr – 1/2-1/2 – Opocensky, Karel – G9
1. e4 c5 2. Nc3 e6 3. g3 d5 4. d3 dxe4 5. Nxe4 Bd7 6. Nf3 Bc6 7. Qe2 Nd7 8. Bg2 Ngf6 9. O-O Be7 10. Bf4 Nd5
1965 Tallinn ch-URS – Round 1 – Taimanov, Mark E – 1/2-1/2 – Polugaevsky, Lev – G75
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d3 Be7 7. Nge2 d4 8. Ne4 Nxe4 9. Bxe4 Nd7 10. O-O O-O
1966 La Habana olm fin-C – Round 13 – Zichichi, Alvise – 1/2-1/2 – Ribeiro, Joao Mario – G36
1. e4 c5 2. Nc3 e6 3. g3 d5 4. d3 Nf6 5. Bg2 Nc6 6. exd5 Nxd5 7. Nge2 Nxc3 8. bxc3 Be7 9. O-O O-O 10. Be3 Bd7
1966 La Habana olm fin-C – Round 5 – Zichichi, Alvise – 1-0 – Feller, Josy – G14
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. Nge2 Nc6 7. O-O Bg4 8. h3 Be6 9. Nf4 Be7 10. Re1 Qd7
1968 Lugano ol (Men) fin-C – Round 1 – Zichichi, Alvise – 1/2-1/2 – Kokkoris, Haralambos – G3
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. Nf3 d4 7. Ne2 Be7 8. O-O O-O 9. d3 Nc6 10. Nf4 Rb8
1968 USSR – Round 1 – Gulko, Boris – 1-0 – Vladimirov, Boris T – G21
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d3 d4 7. Ne4 Be7 8. Nxf6+ Bxf6 9. Qe2+ Be7 10. Nf3 Nd7
1969 Lublin – Round 1 – Ozsvath, Andras – 1-0 – Barczay, Laszlo – G3
1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 d4 5. Nce2 Nc6 6. d3 e5 7. f4 Bd6 8. Nf3 Bg4 9. O-O Nge7 10. c4 exf4
1969 Mar del Plata zt – Round ? – Canobra, Juvenal – 0-1 – Garcia Rodriguez, Raimundo – G60
1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 dxe4 5. Nxe4 Nh6 6. b3 Nf5 7. Ne2 Be7 8. Bb2 Nc6 9. O-O O-O 10. f4 b6
1969 Raach zt – Round 1 – Camilleri, Henry – 1/2-1/2 – Barczay, Laszlo – G13
1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 dxe4 5. Nxe4 Nh6 6. d3 Nf5 7. Nf3 Nc6 8. O-O Be7 9. Bg5 O-O 10. Qd2 b6
1969 Raach zt – Round 11 – Camilleri, Henry – 0-1 – Jakobsen, Ole – G101
1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 dxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Nf3 Nc6 8. O-O Qd8 9. b3 Be7 10. Bb2 Bf6
1969 Zagreb – Round 3 – Siaperas, Triantafyllos – 1/2-1/2 – Barczay, Laszlo – G33
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. d3 Nf6 6. Bg2 Be7 7. Nf3 d4 8. Ne2 Nc6 9. O-O O-O 10. Re1 Bd6
1969 Zagreb – Round 7 – Siaperas, Triantafyllos – 1/2-1/2 – Bertok, Mario Jr. – G52
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d3 d4 7. Ne4 Nxe4 8. Bxe4 Be7 9. Ne2 Nd7 10. Bg2 O-O
1975 URS Team Ch – Round 3 – Saakova, Anzhelina – 1/2-1/2 – Fatalibekova, Elena – G239
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. d4 Nf6 6. Nf3 Bg4 7. Bg2 Nc6 8. Qe2+ Be7 9. dxc5 O-O 10. O-O Bxc5
41. Olympiad Open 2014 – Round 6.23 – Bengherabi, Khalil – 0-1 – Beliavsky, Alexander G – G432
1. e4 c5 2. Nc3 e6 3. g3 d5 4. d3 dxe4 5. Nxe4 Be7 6. Bg2 Nf6 7. Ne2 Nxe4 8. Bxe4 O-O 9. O-O Qc7 10. Nc3 Nc6
Bugojno 1982 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Kasparov, Garry – G40
1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. Nge2 d4 7. Ne4 Nxe4 8. Bxe4 Nd7 9. O-O Nf6 10. Bg2 Bd6
SuperGM It 1999 – Round 5 – Short, Nigel D – 1/2-1/2 – Topalov, Veselin – G20
1. e4 c5 2. Nc3 e6 3. g3 d5 4. d3 Nc6 5. exd5 exd5 6. Bg2 Nf6 7. Nge2 d4 8. Ne4 Nxe4 9. dxe4 Be7 10. O-O O-O
World Blitz 2015 – Round 5.47 – Duda, Jacob – 1-0 – Sanal, Vahap – G313
1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 d4 5. Nce2 Nc6 6. d3 e5 7. f4 Bd6 8. Nf3 Nf6 9. O-O O-O 10. f5 Ng4
World Blitz 2019 – Round 18.27 – Andriasian, Zaven – 1-0 – Golubov, Saveliy – G1208
1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 Nf6 5. d3 Be7 6. Qe2 O-O 7. Nf3 Nc6 8. O-O b6 9. Bf4 d4 10. Nb1 Bb7
World Blitz 2022 – Round 2.75 – Begmuratov, Khumoyun – 0-1 – Nguyen, Thai Dai Van – G119
1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 d4 5. Nce2 Nc6 6. d3 e5 7. f4 Bd6 8. Nf3 f6 9. O-O Nge7 10. a4 Be6

B23j — Closed, Korchnoi Defense (1904)
1.e4 c5 2.Nc3 e6 3.g3 d5
Les coups candidats
4.exd5 — 56.5% (2673 parties)
Ambassadeurs : Costa, Fernando J.M. (8x), Pacey, Kevin (8x), Dormann, Lars (7x), Parkanyi, Attila (7x), Buecker, Stefan (6x), Jurkovic, Hrvoje (6x), Borngaesser, Rene (6x), Beranger, Paul (5x)
4.Bg2 — 21.3% (1010 parties)
Ambassadeurs : Bartsch, Berthold (15x), Bastian, Herbert (11x), Welz, Peter, Dr. (7x), Bastian, Martin (5x), Van Voorthuijsen, Peewee (4x), Keskinen, Sauli (4x), Piersig, Klaus (4x), Abramovic, Bosko (3x)
4.d3 — 20.9% (991 parties)
Ambassadeurs : Liljedahl, Lennart (6x), Abramovic, Bosko (5x), Whitehead, Mark A (5x), Kulhanek, Tomas (5x), Modr, Bretislav (4x), Casper, Thomas (4x), Tal, Mikhail (4x), Vratonjic, Slobo (4x)
4.e5 — 0.9% (41 parties)
Ambassadeurs : Tarachowicz, Alina (2x), Swol, G. van (1x), Boll, Peter (1x), Vives Rodriguez, David Alberto (1x), Folch Sampera, Enric (1x), Gkotski, A. (1x), Gulati, Ashish (1x), Ho, Andrew (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.exd5 4.Bg2 4.d3 4.e5
<1800 309 57% 19% 19% 4%
1800-2200 2320 58% 20% 21% 1%
2200-2600 1452 54% 23% 23% 0%
2600+ 10 40% 40% 20%
Évolution par décennie (% des parties)
Décennie N parties 4.exd5 4.Bg2 4.d3 4.e5
1950s 4 50% 25% 25%
1960s 32 53% 28% 19%
1970s 131 46% 24% 29% 1%
1980s 297 48% 31% 21%
1990s 1077 59% 21% 18% 1%
2000s 1663 59% 18% 22% 1%
2010s 1179 55% 22% 21% 1%
2020s 349 52% 28% 19% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.exd5 55% 52% ▼ -3.0%
4.Bg2 22% 28% ▲ +6.0%
4.d3 21% 19% ▼ -2.7%
4.e5 1% 0% ▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 8 parties
Kasparov, Garry — 2 parties
Kramnik, Vladimir — 1 partie
Parties historiques
4.exd5 — 56.5% (2673 parties)
1953 — Cruz, Walter vs Tavares da Silva, Luiz — 1-0 — Rio de Janeiro BRA
1955 — Broden, Per vs Ciric, Dragoljub M — 0-1 — Antwerp BEL
1960 — Fauconnier, Clement vs Soler Gonzalez, Juan Fernando — 1-0 — Leipzig GER
1964 — Leuza Garcia, Jose vs Franco Raymundo, Eduardo — 0-1 — Las Palmas ESP
1965 — Taimanov, Mark vs Polugaevsky, Lev — 1/2-1/2 — Tallinn ch-URS
4.Bg2 — 21.3% (1010 parties)
1956 — Hacsak, Istvan vs Szekely, Peter — 1-0 — Debrecen HUN
1960 — Janosevic, Dragoljub vs Kozomara, Vlado — 1-0 — Ljubljana
1966 — Fernandez, Ruben vs Tapia, Hugo — 1-0 — Buenos Aires ARG
1968 — Aspstrom, Yngve vs Lekander, Rolf — 0-1 — Halmstad
1968 — Barboza, Mauro vs Estrada Degrandi, Walter — 1-0 — Uruguay
4.d3 — 20.9% (991 parties)
1955 — Ljungquist, Lennart vs Suetin, Alexey S — 0-1 — Lyon FRA
1965 — Machacek, Petr vs Opocensky, Karel — 1/2-1/2 — Pardubice CZE
1966 — Zichichi, Alvise vs Ribeiro, Joao — 1/2-1/2 — La Habana olm fin-C
1967 — Amann, David vs Meyer, John — 0-1 — Atlanta
1968 — Griffiths, Robert vs Kokkoris, Hristos — 0-1 — Lugano SUI
4.e5 — 0.9% (41 parties)
1978 — Swol, G. van vs Boll, Peter — 0-1 — NLD-BV/78-24
1991 — Tarachowicz, Alina vs Wagenschuetz, Evelyn — 1-0 — Mamaia
1992 — Tarachowicz, Alina vs Gkotski, A. — 1-0 — Rimavska Sobota SVK
1992 — Kusec, Stjepan vs Medak, Jasnica — 1-0 — Pula CRO
1996 — Vives Rodriguez, David Alberto vs Folch Sampera, Enric — 1/2-1/2 — Femeni

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