Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→c6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (3v2), ● e5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc4	● Bc4 Actif (mob. 9)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	4 (● b8, ● c8, ● 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	mobile
Ruptures	● d4-d5, ● e4-e5	● …c6-c5, ● …d6-d5, ● …e7-e5

B08g — Pirc: Classical, 5.Bc4 c6

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bc4 c6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bb3 (Fou actif (mobilité 5) — 25 % des parties) ; O-O (Mettre le roi en sécurité, connecter les tours — 23 % des parties) ; e5 (Occuper le centre — 19 % des parties) ; Qe2 (Pression sur colonne e, Prépare O-O-O — 13 % des parties) ; a4 (9 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 53 % des parties) ; ...b5 (Expansion aile dame — 14 % des parties) ; ...d5 (Occuper le centre — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1958 New York ch-USA – Round 7 – Kalme, G. – 1/2-1/2 – Lombardy, William J – G36 1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. Bc4 Nf6 5. Nc3 c6 6. Bg5 b5 7. Bb3 b4 8. Bxf6 Bxf6 9. Nd5 Bg7 10. Nxb4 a5
1958 Portoroz Interzonal – Round 14 – Neikirkh, Oleg – 1/2-1/2 – Matanovic, Aleksandar – G135 1. Nf3 g6 2. e4 d6 3. d4 Nf6 4. Nc3 Bg7 5. Bc4 c6 6. a4 O-O 7. O-O d5 8. Bd3 dxe4 9. Nxe4 Nxe4 10. Bxe4 Bg4
1960 Buenos Aires – Round 1 – Eliskases, Erich – 1/2-1/2 – Wade, Robert G – G23 1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. Bc4 Nf6 5. Nc3 c6 6. a4 d5 7. exd5 cxd5 8. Bb3 Bg4 9. h3 Bxf3 10. Qxf3 Nc6
1960 Ch - Closed – Round ? – Almgren, Sven – 1-0 – Rivise, Irving – G10 1. d4 g6 2. e4 Bg7 3. Bc4 c6 4. Nc3 d6 5. Nf3 Nf6 6. Bb3 O-O 7. O-O Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. Bg5 Qa5
1961 Chigorin Memorial – Round 1 – Nezhmetdinov, Rashid – 1-0 – Malich, Burkhard, Dr. – G7 1. e4 g6 2. d4 Bg7 3. Nc3 Nf6 4. Nf3 d6 5. Bc4 c6 6. Bb3 O-O 7. O-O d5 8. Re1 Bg4 9. Bg5 dxe4 10. Nxe4 Nbd7
1961 Corr FS – Round 1 – Lundqvist, Ake – 1/2-1/2 – O'Kelly, Albéric de Galway – G16 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 c6 5. Nc3 Nf6 6. O-O d5 7. Bd3 Bg4 8. Be3 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nd7
1961 Moscow Ch – Round ? – Aronin, Lev – 1/2-1/2 – Volovich, Anatoly – G95 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 c6 5. Bc4 Nf6 6. Bb3 O-O 7. Bg5 h6 8. Be3 Qc7 9. Qd2 Ng4 10. Bf4 e5
1963 Amsterdam – Round 1 – Bouwmeester, Hans – 1/2-1/2 – Botvinnik, Mikhail – G5 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 c6 6. Bb3 d5 7. e5 Nfd7 8. Bf4 Nf8 9. h3 Ne6 10. Be3 f6
1963 CAN Ch – Round 15 – Yanofsky, Harry – 1/2-1/2 – Suttles, Duncan – G23 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 c6 5. Nc3 Nf6 6. O-O d5 7. exd5 cxd5 8. Bb5+ Bd7 9. Qe2 O-O 10. Bxd7 Nbxd7
1964 Hoogovens Beverwijk NED – Round 1 – Zuidema, Coen – 1/2-1/2 – Darga, Klaus – G40 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 c6 5. Nc3 Nf6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nd5 9. Ne2 Nd7 10. Nxd7 Bxd7
1964 Moscow RUS – Round ? – Zaitsev, Igor A – 0-1 – Volovich, Anatoly – G55 1. e4 c6 2. d4 d6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 Nf6 6. Bb3 O-O 7. O-O d5 8. e5 Ne8 9. Re1 Nc7 10. Be3 f6
1965 Buenos Aires ch-ARG – Round 4 – Bolbochan, J. – 1/2-1/2 – Pugach, Alevtina – G36 1. d4 Nf6 2. Nf3 d6 3. Nc3 g6 4. e4 Bg7 5. Bc4 c6 6. e5 Nd5 7. O-O Nxc3 8. bxc3 dxe5 9. Nxe5 O-O 10. Qf3 Qe8
1965 Capablanca Memorial – Round 2 – Perez Perez, Francisco Jose – 1/2-1/2 – Tringov, Georgi P – G21 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 c6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. Bg5 Nb6 10. Bb3 a5
1965 Hamburg etc – Round 7 – Kluger, Gyula – 1/2-1/2 – Eising, Johannes – G110 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Nc3 c6 5. Bc4 Nf6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. f4 Qc7 10. Qf3 e6
1965 New York ch-USA – Round 6 – Rossolimo, Nicolas – 1/2-1/2 – Suttles, Duncan – G19 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Bc4 c6 5. Nc3 Nf6 6. e5 Nd5 7. Bxd5 cxd5 8. Nxd5 dxe5 9. dxe5 Nc6 10. Bf4 Bg4
1965 Pardubice – Round 4 – Seifert, Aidan – 1/2-1/2 – Alster, Ladislav – G42 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 c6 6. a4 O-O 7. Bb3 Na6 8. O-O Nc7 9. Re1 Be6 10. d5 cxd5
1966 BRA-ch33 – Round 5 – Mangini, Jose Henrique de Mello – 1/2-1/2 – De Souza Mendes, Joao – G12 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 c6 5. Nc3 Nf6 6. Qe2 b5 7. Bd3 O-O 8. a3 a6 9. Bg5 Qc7 10. e5 dxe5
1966 Rubinstein Memorial 04th – Round 3 – Kluger, Gyula – 1/2-1/2 – Bednarski, Jacek – G15 1. d4 g6 2. e4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Bc4 Nf6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. f4 e6 10. Bb3 Qc7
1967 Maribor – Round 15 – Unzicker, Wolfgang – 1/2-1/2 – Udovcic, Mijo – G87 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 c6 5. Nc3 Nf6 6. O-O O-O 7. e5 Ne8 8. h3 Nc7 9. exd6 exd6 10. Bg5 Qd7
1967 Palma de Mallorca – Round 3 – Medina-Garcia, Antonio – 0-1 – Botvinnik, Mikhail – G25 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 c6 6. Bb3 O-O 7. Qe2 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Bg5 h6
1968 1. Acropolis International – Round 13 – Rizopoulos, Georgios – 0-1 – Pachman, Ludek – G11 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Bc4 c6 5. Nc3 Nf6 6. h3 O-O 7. O-O b5 8. Bd3 Nfd7 9. Bg5 h6 10. Bh4 Re8
1968 1. Acropolis International – Round 6 – Rizopoulos, Georgios – 0-1 – Tringov, Georgi P – G6 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Bc4 c6 5. Nc3 Nf6 6. O-O b5 7. Bd3 O-O 8. Ne2 a6 9. h3 Nbd7 10. Bf4 Nb6
1968 1. Acropolis International – Round 8 – Rizopoulos, Georgios – 0-1 – Czerniak, Moshe – G8 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Bc4 c6 5. Nc3 Nf6 6. h3 b5 7. Bd3 O-O 8. O-O Nbd7 9. e5 Ne8 10. Bf4 dxe5
1968 Bristol ch-BCF – Round 7 – Aabel Thomas Eapen – 0-1 – Littlewood, Norman – G77 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 c6 6. a4 O-O 7. O-O d5 8. Bd3 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nd7
1968 Cardenas/Matanzas/Santa Clara – Round 1 – Estrada Degrandi, Walter – 1/2-1/2 – Letelier Martner, Rene – G10 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 c6 5. Nc3 Nf6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. Nxd7 Nxd7 10. Be3 e5
1968 Cardenas/Matanzas/Santa Clara – Round 8 – Estrada Degrandi, Walter – 1/2-1/2 – Morales Garcia, Hugo – G39 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 c6 5. Nf3 Nf6 6. e5 dxe5 7. Nxe5 O-O 8. O-O e6 9. Bb3 Nbd7 10. Qe2 Nxe5
1968 Hungary – Round 1 – Szekely, Mihaly – 0-1 – Portisch, Lajos – G102 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Bc4 Nf6 5. Nf3 c6 6. Qe2 O-O 7. O-O b5 8. Bd3 Bg4 9. Re1 Nfd7 10. Be3 b4
1968 Hungary – Round 1 – Szekely, Mihaly – 0-1 – Szabo, Ladislav – G134 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Bc4 d6 5. Nf3 Nf6 6. Qe2 O-O 7. O-O d5 8. Bb3 Bg4 9. Bg5 dxe4 10. Nxe4 Bxf3
1968 Lugano ol (Men) – Round 1 – Huebner, Robert – 1/2-1/2 – Smyslov, Vladimir – G52 1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Bc4 c6 5. Nc3 Nf6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. Bb3 c5 10. Be3 1/2-1/2
1968 Lugano olm - Round 1 - Aristides Paiva, Jazmin Catherine - 0-1 - Acevedo Ortega, Rodrigo Andres - G254 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 c6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. f4 Nb6 10. Bb3 a5
1968 Lugano olm - Round 1 - Unzicker, Wolfgang - 1/2-1/2 - Portisch, Lajos - G252 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 c6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. Bf4 Nb6 10. Bb3 a5
1968 OWL Ch – Round 3 – Groenegress, Wilfried – 1-0 – Gudath, Reiner – G4 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Nf3 c6 6. Bb3 O-O 7. h3 Na6 8. O-O Nc7 9. Be3 Be6 10. Qd2 Bxb3
1968 Skopje/Ohrid – Round 4 – Marić, Rudolf – 0-1 – Portisch, Lajos – G35 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 Nf6 5. Nf3 c6 6. O-O d5 7. exd5 cxd5 8. Bb5+ Bd7 9. Bxd7+ Nbxd7 10. Re1 O-O
1968 Toth Memorial – Round 7 – Dely, Peter – 1/2-1/2 – Csom, Istvan – G24 1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. Nc3 d6 5. Bc4 Nf6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. Bf4 Nb6 10. Bb3 a5
1969 Budapest ch-HUN – Round 1 – Szekely, Mihaly – 1-0 – Vadasz, Laszlo – G71 1. e4 c6 2. d4 g6 3. Nc3 Bg7 4. Bc4 d6 5. Nf3 Nf6 6. Bb3 b5 7. a3 Qc7 8. O-O O-O 9. Re1 e5 10. d5 Bd7
1969 DSV-Turnier – Round 2 – Espig, Lutz – 0-1 – Golz, Werner – G10 1. Nf3 g6 2. e4 Bg7 3. d4 c6 4. Nc3 d6 5. Bc4 Nf6 6. Bb3 O-O 7. O-O b5 8. a3 Nfd7 9. Bg5 Nb6 10. h3 Na6
1969 Ludwigsburg – Round 1 – Mohrlok, Dieter – 1-0 – Aczel Szabo, Janos – G5 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Nc3 c6 5. Bc4 Nf6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. Bg5 Nb6 10. Bb3 Nfd5
36. Olympiad 2004 – Round 5 – Prasca Sosa, Rafael Felipe – 1/2-1/2 – Berkes, Ferenc – G171 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 c6 6. O-O O-O 7. e5 Ne8 8. h3 b6 9. Ne2 Ba6 10. Bxa6 Nxa6
World Blitz 2015 – Round 13.51 – Pavlidis, Antonios – 0-1 – Anton Guijarro, David – G825 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Bc4 d6 5. Nf3 Nf6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. Bf4 Nb6 10. Bb3 a5
World Blitz 2018 – Round 8.63 – Sokolin, Leonid – 0-1 – Anton Guijarro, David – G501 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Bc4 Nf6 6. e5 dxe5 7. Nxe5 O-O 8. O-O Nbd7 9. Qe2 Nb6 10. Bb3 a5

B08g — Classical (1958)

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bc4 c6

Les coups candidats

6.O-O — 27.1% (589 parties)

Ambassadeurs : Hanegby, Avigdor (4x), Slipak, Sergio (2x), Danielian, Elina (2x), Prasca Sosa, Rafael Felipe (2x), Stegemann, Norbert (2x), Unzicker, Ferdinand, Dr. (1x), Udovcic, Mijo (1x), Lundqvist, Ake (1x)

6.Bb3 — 23.9% (520 parties)

Ambassadeurs : Sanduleac, Vasile (6x), Bologan, Victor (5x), Karlik, Vladimir (4x), Botvinnik, Mikhail (3x), Emms, John M (3x), Zyla, Winfried (3x), Goodman, Conrad (3x), Volovich, Anatoly (2x)

6.e5 — 12.1% (262 parties)

Ambassadeurs : Todorovic, Goran M (4x), Telljohann, Sven (3x), Rossolimo, Nicolas (2x), Suttles, Duncan (2x), Estrada Nieto, Julian (2x), Kluger, Gyula (2x), Malich, Burkhard, Dr. (2x), Cafferty, Bernard (2x)

6.a4 — 10.3% (223 parties)

Ambassadeurs : Van der Hauw, Henk (2x), Snuverink, Jochem (2x), Biagi, Eduardo (2x), Nguyen, Duc Hoa (2x), Lalaoui, Feriel (2x), Latreche, Sabrina (2x), Seifert, Milan (1x), Alster, Ladislav (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.O-O	6.Bb3	6.e5	6.a4
<1800	203	34%	18%	2%	11%
1800-2200	863	28%	21%	9%	14%
2200-2600	555	15%	36%	22%	7%
2600+	3	33%	—	67%	—

Évolution par décennie (% des parties)

Décennie	N parties	6.O-O	6.Bb3	6.e5	6.a4
1950s	5	40%	—	—	40%
1960s	62	15%	21%	35%	11%
1970s	77	22%	26%	14%	12%
1980s	76	20%	30%	20%	5%
1990s	532	28%	24%	13%	9%
2000s	692	28%	23%	10%	10%
2010s	626	29%	25%	10%	11%
2020s	102	24%	24%	11%	17%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.O-O	29%	24%	▼ -5.4%
6.Bb3	25%	24%	▼ -1.2%
6.e5	10%	11%	+0.4%
6.a4	11%	17%	▲ +5.5%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie

Parties historiques

6.O-O — 27.1% (589 parties)

1952 — Otteson, Milton vs Nedved, K. — 0-1 — Iowa
1956 — Acevedo, Agustin vs Soto Ahumada Milovan Alberto — 1-0 — Mexico City MEX
1961 — Lundqvist, Ake vs O'Kelly, Albéric de Galway — 1/2-1/2 — corr FS
1963 — Yanofsky, Harry vs Suttles, Duncan — 1/2-1/2 — Winnipeg CAN
1964 — Platonov, Igor V vs Petrosian, Tigran V. — 0-1 — Moscow RUS

6.Bb3 — 23.9% (520 parties)

1960 — Almgren, Sven vs Rivise, Irving — 1-0 — San Francisco, Ca
1961 — Aronin, Lev vs Volovich, Anatoly — 1/2-1/2 — Moscow RUS
1961 — Nezhmetdinov, Rashid vs Malich, Burkhard, Dr. — 1-0 — Sochi RUS
1963 — Bouwmeester, Hans vs Botvinnik, Mikhail — 1/2-1/2 — Amsterdam NED
1963 — Bouwmeester, Hans vs Botvinnik, Mikhail — 1/2-1/2 — Amsterdam NED

6.e5 — 12.1% (262 parties)

1963 — Neikirkh, Oleg vs Kots, Yuri I — 0-1 — Sofia BUL
1963 — Tal, Mikhail vs Bak, Istvan — 1-0 — Asztalos mem
1964 — Zuidema, Coen vs Darga, Klaus — 1/2-1/2 — Hoogovens Beverwijk NED
1965 — Rossolimo, Nicolas vs Suttles, Duncan — 1/2-1/2 — New York, NY USA
1965 — Bolbochan, Jacobo vs Pugach, Mario — 1/2-1/2 — Buenos Aires ch-ARG

6.a4 — 10.3% (223 parties)

1958 — Walsh, James vs Primavera, Giuseppe — 1-0 — ?
1958 — Neikirkh, Oleg vs Matanovic, Aleksandar — 1/2-1/2 — Portoroz izt
1960 — Eliskases, Erich vs Wade, Robert G — 1/2-1/2 — Buenos Aires ARG
1965 — Seifert, Milan vs Alster, Ladislav — 1/2-1/2 — Pardubice CZE
1967 — Standers, L. vs Blackstone, John — 1-0 — Fresno, CA