Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● b2→c3, d2→c3
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● d5 (2v0)
Cases faibles
Centre ● d5 (2v0) ● d4 (3v2)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bc4 ● Bc4 Actif (mob. 9)
Bc5 ● Bc5 Actif (mob. 9)
Bc8 ● Bc8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Non développées 4 (● b1, ● c1, ● a1, ● h1) 4 (● g8, ● 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 fermé
Ruptures ● d2-d4 ● …d7-d5, ● …f7-f5

C53a — Giuoco Piano: 4.c3

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 *   ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bB
bQ
bK
bN
bR
bP
bP
bP
bP
bPPion sous pression
bP
bP
bN
bB
Case forte (2v0)
bPPion sous pression
wBFou actif — mobilité 9
wPPion central
wP
wN
wP
wP
wP
wP
wP
wP
wR
wN
wB
wQ
wK
wR
abcdefgh
Plans. d3 (Solidifier le centre — 51 % des parties) ; d4 (Occuper le centre — 40 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wK
wQ
wB
wN
wR
wP
wP
wP
wP
wP
wP
wN
wP
wP
wB
bPPion sous pression
bBFou actif — mobilité 9
bN
bP
bP
bPPion sous pression
bP
bP
bP
bP
bR
bN
bK
bQ
bB
bR
hgfedcba
Plans. ...Nf6 (Développer g8 — 88 % des parties) ; ...d6 (Libérer Bc8 — 6 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1902 USA tour sim – Round ? – Lasker, Emanuel – 1-0 – Howe, H. – G15
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb4+ 7. Kf1 Ba5 8. Qb3 Qe7 9. d5 Ne5 10. Nxe5 Qxe5
1929 Barcelona Barcelona ESP – Round 15 – Font Alvelo, Joaquim – 0-1 – Yates, Frederic D – G43
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. O-O Nf6 6. d4 Qe7 7. Bg5 d6 8. a4 a6 9. d5 Nb8 10. a5 Ba7
1935 Vienna – Round 6 – Becker, Albert – 1-0 – Kolnhofer, Josef – G36
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. d4 d6 6. dxe5 dxe5 7. Qxd8+ Nxd8 8. Nxe5 Ne7 9. O-O Ng6 10. Nxg6 hxg6
1947 San Pablo blind sim – Round 31 – Najdorf, Miguel – 1-0 – Avino Zavyalov, Nicolas – G27
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Na5 5. Be2 d6 6. b4 Bxf2+ 7. Kxf2 Nc6 8. d4 b6 9. Bb5 Bb7 10. d5 a6
1948 Bad Nauheim – Round 12 – Hoenlinger, Baldur – 1-0 – Moldt, Lt – G20
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 a6 5. d4 Be7 6. Nxe5 Nxe5 7. dxe5 d6 8. Qb3 Be6 9. Bxe6 fxe6 10. Qxe6 Qd7
1948 GER Ch – Round 6 – Schuster, Ailleann – 0-1 – Unzicker, Ferdinand, Dr. – G14
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. O-O Nf6 6. d4 Qe7 7. b4 d6 8. a4 a6 9. Ra2 O-O 10. Re2 Bg4
1948 It Beverwijk NED – Round ? – Van Steenis, Hendrik Jan – 0-1 – O'Kelly de Galway, Alberic – G10
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. O-O Nf6 6. d3 d6 7. h3 h6 8. Kh2 g5 9. Ng1 Ne7 10. Be3 Ng6
1950 Venice – Round 3 – De Paoli, Emilio – 1/2-1/2 – Rossolimo, Nicolas – G38
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qf6 5. O-O d6 6. b4 Bb6 7. a4 a6 8. Na3 Nge7 9. Be2 Ng6 10. d3 Nf4
1953 Mar del Plata – Round 5 – Shocron, Ruben – 1/2-1/2 – Trifunovic, Petar – G71
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. a4 a6 6. d3 Nf6 7. Na3 Be6 8. O-O Bxa3 9. Bxe6 fxe6 10. Rxa3 O-O
1953 Mar del Plata – Round 9 – Shocron, Ruben – 0-1 – Cuellar Gacharna, Miguel – G104
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. a4 Nf6 6. d3 d6 7. Na3 Ne7 8. Ba2 c6 9. Nc4 Bc7 10. O-O Ng6
1954 Hastings5455 – Round 6 – Phillips, Alan – 1/2-1/2 – Donner, Jan-Hein – G24
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. d4 exd4 6. O-O d6 7. cxd4 Bg4 8. Bb5 Kf8 9. Be3 Qf6 10. Bxc6 bxc6
1956 ITA-ch18 Rovigo – Round 11 – Zichichi, Alvise – 1/2-1/2 – Venni, Tito – G37
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. d3 Nf6 6. Bg5 h6 7. Bh4 d6 8. h3 g5 9. Bg3 Qe7 10. Nbd2 Nd8
1963 Reggio Emilia 6364 06th – Round 2 – Paoli, Enrico – 1/2-1/2 – Castaldi, Vincenzo – G7
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. O-O d6 6. h3 Qf6 7. d3 Be6 8. Bb5 Bd7 9. Na3 a6 10. Ba4 Nge7
GCT Blitz Croatia 2021 – Round 16.1 – Anand, Viswanathan – 1-0 – Van Foreest, Jorden – G76
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 Bb6 6. O-O Nf6 7. Re1 O-O 8. h3 h6 9. Bb3 Re8 10. Bc2 Bd7
Hoogovens Blitz 1998 – Round 6 – Kramnik, Vladimir – 1-0 – Salov, Valery – G7
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Bg4 8. O-O Nf6 9. d5 Bxf3 10. gxf3 Bxc3
Thessaloniki olm 1988 – Round 7 – Motwani Prashant – 1/2-1/2 – Granda Zuniga, Julio E – G61
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qf6 5. d4 exd4 6. e5 Qg6 7. O-O d5 8. Bxd5 dxc3 9. Nxc3 Nge7 10. Be4 Qh5
World Blitz 2023 – Round 12.74 – Demchenko, Aleksandr – 1-0 – Sattarov, Bobir – G722
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qf6 5. d3 h6 6. b4 Bb6 7. Na3 d6 8. Bb3 a6 9. Nc4 Ba7 10. Be3 Nge7

C53a — Classical Variation (1902)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3
Les coups candidats
Ambassadeurs : Wosch, Arkadiusz (207x), Herzog, Klaus (70x), ? (67x), Dominguez Perez, Leinier (62x), Vachier-Lagrave, Maxime (51x), Bologan, Victor (46x), Kramnik, Vladimir (43x), Nevednichy, Vladislav (42x)
4…d6 — 5.7% (3132 parties)
Ambassadeurs : Mahmood Lodhi (17x), Pinter, Jozsef (12x), Herzog, Klaus (6x), Molnar, Laszlo (5x), Acs, Peter (4x), Skuhala, Luka (4x), Paoli, Enrico (3x), Lukacs, Peter (3x)
Ambassadeurs : Paoli, Enrico (9x), Gross, David (8x), Zupe, Miran (8x), Hristodorescu, Daniel (8x), Cottarelli, Franco (7x), Norcia, Federico (4x), Estrin, Yakov (4x), Rossolimo, Nicolas (4x)
4…Bb6 — 1.2% (685 parties)
Ambassadeurs : Tuovinen, Jukka (12x), Sasikiran, Krishnan (6x), Galunova, Tsveta (5x), Pereira, Si (5x), Diez, Gerhard (4x), De Haro, Martim Afonso Palma (4x), Eken, Max (3x), Rantanen, Yrjo A. (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Nf6 4…d6 4…Qe7 4…Bb6
<1800 7241 84% 9% 2% 1%
1800-2200 20492 89% 5% 4% 1%
2200-2600 14465 94% 2% 3% 1%
2600+ 1465 99% 1% 0%
Évolution par décennie (% des parties)
Décennie N parties 4…Nf6 4…d6 4…Qe7 4…Bb6
1950s 206 50% 7% 30% 12%
1960s 189 59% 3% 25% 13%
1970s 389 64% 7% 22% 6%
1980s 1276 82% 4% 10% 3%
1990s 7207 81% 8% 6% 2%
2000s 14014 83% 8% 4% 2%
2010s 20878 91% 5% 2% 1%
2020s 11056 94% 4% 1% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Nf6 91% 94% ▲ +3.0%
4…d6 5% 4% ▼ -0.7%
4…Qe7 2% 1% ▼ -1.5%
4…Bb6 1% 1% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Ju, Wenjun — 2 parties
Tal, Mikhail — 1 partie
Parties historiques
4…Nf6 — 87.5% (48326 parties)
1950 — O'Kelly, Albéric de Galway vs Adams, Weaver — 1-0 — Hastings ENG
1950 — Lauterbach, Werner vs Sutterer, Robert — 1/2-1/2 — Bretten
1950 — Rossolimo, Nicolas vs O'Kelly, Albéric de Galway — 1-0 — Hastings ENG
1950 — Castaldi, Vincenzo vs Phillips, Alan — 1/2-1/2 — Hastings ENG
1950 — Rossolimo, Nicolas vs Dunkelblum, Arthur — 1-0 — Dubrovnik olm
4…d6 — 5.7% (3132 parties)
1951 — Martin, Dennis vs Waters, Will — 0-1 — Forth Worth
1951 — Maderna, Carlos vs Liebstein, Arturo — 1-0 — Mar del Plata ARG
1951 — Gee Vinaayak A vs Spero, I. — 1-0 — San Luis ARG
1952 — Paoli, Enrico vs Bisguier, Arthur B — 0-1 — Vienna 5253 Vienna AUT
1952 — Knighton, F. vs Hammond, Jeremiah Michael — 1-0 — Bolton
4…Qe7 — 3.6% (2009 parties)
1950 — Pogats, Jozsef Jr. vs Pytlakowski, Andrzej — 1-0 — Szcawno Zdroj
1950 — Wesingi, Uno vs Siemms, Ross E — 0-1 — Toronto CAN
1950 — Jacobs, Robert Merton vs Almgren, Sven — 0-1 — Hollywood, CA
1950 — Novak, Zbynek vs Herink, Miroslav — 1/2-1/2 — Chocen
1950 — Rossolimo, Nicolas vs Eken, Max — 1/2-1/2 — Beverwijk NED
4…Bb6 — 1.2% (685 parties)
1950 — Thompson, Harry vs Bishop, Adam — 1-0 — cr.
1950 — Ajuna Thompson vs Bishop, Adam — 1-0 — ?
1950 — Grosser, Wilhelm vs Krause, Kurt — 1-0 — Soemmerda GER
1951 — Limbos, Paul vs Thibaut, Georges — 1-0 — Brussels BEL
1951 — Asker, Sven vs Walsh, James J — 0-1 — Birmingham/Coventry

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