C50l — Giuoco Piano: 4.O-O Nf6

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.O-O Nf6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d5, Bc4 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nbd2 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4
● c3 — Préparer d4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte b4, case forte d4, Bc5 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, pawn e4 en prise.
Problèmes : roi au centre, Bc8 enfermé, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Na5 — Attaquer Bc4
● ...Bg4 — Clouer Nf3
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C50l — Giuoco Piano:

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.O-O Nf6

Eval: [+0.15]

Les coups candidats

5.d3 — 56.3% (8978 parties) →

Ambassadeurs : Cvak, Rudolf (107x), Marbourg, Denny (85x), Anand, Viswanathan (49x), Karjakin, Sergey (43x), So, Wesley (41x), Aronian, Levon (36x), Korneev, Oleg (34x), Mamedyarov, Shakhriyar (33x)

5.d4 — 19.0% (3034 parties) →

Ambassadeurs : Koltanowski, George (49x), Nowak, Ireneusz (14x), ? (10x), Zelcic, Robert (10x), Ngo, Dieu Hoa (9x), Gal, Tibor (9x), Volodarsky, Yury Aleksandrovich (9x), Golek-Schild, Jagoda (8x)

5.Nc3 — 12.8% (2043 parties) →

Ambassadeurs : Randolph, Donald (7x), Lindberg, William J (7x), Fisher-Kirshner, Micah (6x), Aldrich, Justin (5x), Glowinski, Daniel (5x), Mejzlik, Ondrej (4x), Hurtado Zonneveld, Rahmat (4x), Gyurika, Tamas (4x)

5.c3 — 5.5% (870 parties) →

Ambassadeurs : Bonnerjee, Mohishunder (36x), Cochrane, John Miles (36x), Barabas, Tibor (6x), Andersson, Christin (6x), Anderssen, Adolf (3x), Alvarez, Maria Florencia (3x), Baumann, Arend (3x), Trevis, Robert (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.d3	5.d4	5.Nc3	5.c3
<1800	1002	44%	26%	15%	7%
1800-2200	4406	53%	26%	9%	7%
2200-2600	4603	80%	14%	2%	2%
2600+	727	97%	2%	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	5.d3	5.d4	5.Nc3	5.c3
1620s	2	—	—	—	—
1800s	1	100%	—	—	—
1840s	3	67%	—	33%	—
1850s	51	8%	12%	—	65%
1860s	56	46%	16%	5%	21%
1870s	35	46%	31%	14%	3%
1880s	15	60%	13%	—	7%
1890s	25	32%	32%	8%	12%
1900s	25	20%	36%	12%	16%
1910s	26	8%	62%	8%	15%
1920s	23	22%	48%	13%	9%
1930s	29	10%	59%	—	17%
1940s	35	6%	71%	6%	6%
1950s	48	15%	56%	8%	8%
1960s	51	16%	67%	2%	10%
1970s	91	26%	30%	11%	19%
1980s	251	42%	26%	14%	9%
1990s	1800	40%	16%	25%	8%
2000s	3544	41%	20%	22%	8%
2010s	7261	64%	20%	8%	4%
2020s	2571	76%	13%	5%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.d3	64%	76%	▲ +11.7%
5.d4	20%	13%	▼ -6.5%
5.Nc3	8%	5%	▼ -3.1%
5.c3	4%	2%	▼ -1.6%

Joueurs célèbres

Champions du monde dans cette position

Steinitz, Wilhelm — 10 parties
Anand, Viswanathan — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 10 parties
Kramnik, Vladimir — 10 parties
Ding, Liren — 9 parties
Alekhine, Alexander — 3 parties
Gukesh D — 3 parties
Lasker, Emanuel — 2 parties
Karpov, Anatoly — 2 parties
Ju, Wenjun — 2 parties
Botvinnik, Mikhail — 1 partie
Karpov, Aleksandr — 1 partie

Parties historiques

5.d3 — 56.3% (8978 parties)

1806 — Castro Smith, Javier Antonio vs Derrickson, G. — 0-1 — Philadelphia, PA USA
1846 — Staunton, Howard vs Harrwitz, Daniel — 1-0 — London ENG
1846 — Buckle, Henry vs Harrwitz, Daniel — 0-1 — London ENG
1851 — Robertson, William vs Ranken, Charles Edwards — 0-1 — London ENG
1851 — Loewenthal, Johann vs Emma Iniya Williams R — 1/2-1/2 — London ENG

5.d4 — 19.0% (3034 parties)

1853 — Lange, Max vs Ehrich, Dieter — 1-0 — Magdeburg GER
1853 — Lange, Max vs Heinemann, Bernard — 1-0 — Halle/Saale
1853 — Lange, Max vs Von Schmidt, Eugen — 1-0 — Magdeburg GER
1853 — Lange, Max vs Heinemann, Bernard — 1-0 — Halle/Saale
1859 — ? vs Morphy, Paul — 0-1 — London ENG

5.Nc3 — 12.8% (2043 parties)

1846 — Buckle, Henry vs Harrwitz, Daniel — 1-0 — London ENG
1868 — ? vs Schaffer, Edward — 0-1 — New York (New York CC)
1869 — Alexander Alexander vs Minckwitz, Johannes — 0-1 — Altona
1869 — Rosenthal, Samuel vs Neumann, Gustav — 0-1 — Paris FRA
1875 — Howe, Henry A vs Henderson, John B. — 1/2-1/2 — Ottawa CAN

5.c3 — 5.5% (870 parties)

1850 — Bird, Henry vs Pinkerley — 1-0 — London London ENG
1852 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 0-1 — Calcutta IND
1852 — Shumov, Ilya vs Jaenisch, Carl F A — 1/2-1/2 — St Petersburg RUS
1853 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 1-0 — Calcutta IND
1853 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 1-0 — Calcutta IND

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1)	● b4 (2v0), ● d4 (3v1)
Cases faibles	—	—
Centre	● d5 (2v1)	● d4 (3v1), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bc4	● Bc4 Actif (mob. 8)
Bc5		● Bc5 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● pawn f2	—
Non développées	3 (b1, c1, a1)	3 (c8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre !
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c2-c3, ● d2-d3	● …d7-d6, ● …d7-d5

Partie
1905 Barmen-D – Round ? – Tartakower, Savielly – 1-0 – Creyghton, JP. – G9 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. b4 Bxb4 6. c3 Be7 7. d4 d6 8. Ng5 O-O 9. f4 exd4 10. cxd4 h6
1907 Ostende II – Round 21 – Leonhardt, Paul – 1/2-1/2 – Salwe, Georg – G254 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. b4 Bxb4 6. d4 O-O 7. dxe5 Nxe4 8. Qd5 Nc3 9. Nxc3 Bxc3 10. Rb1 d6
1912 Vilnius – Round 7 – Levitsky, Stepan – 0-1 – Bernstein, Ossip – G30 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Bd5 d6 6. Bxc6+ bxc6 7. d4 exd4 8. Nxd4 Bd7 9. Bg5 h6 10. Bh4 g5
1934 Budapest – Round ? – Balogh, Janos – 0-1 – Eliskases, Erich – G21 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. b4 Bxb4 6. d4 Qe7 7. c3 Bd6 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nxe4
1953 Hoogovens – Round 4 – Rossolimo, Nicolas – 1-0 – Donner, Jan-Hein – G28 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Re1 d6 6. c3 Bb6 7. a4 a6 8. Na3 O-O 9. Ba2 Ba7 10. Nc2 Be6
American Cup Blitz 2022 – Round 3.2 – Aronian, Levon – 1-0 – Burke, John M – G14 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Re1 O-O 6. d3 h6 7. c3 d6 8. Nbd2 a6 9. Nf1 Re8 10. Ng3 Ba7
American Cup Blitz 2022 – Round 8.1 – Aronian, Levon – 1-0 – Xiong, Jeffery – G42 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Re1 d6 6. c3 Bb6 7. d4 Bg4 8. Be3 Bxf3 9. gxf3 Nh5 10. Na3 Qh4
FIDE Grand Prix 1 playoff 2022 – Round 2.4 – Aronian, Levon – 0-1 – Nakamura, Hikaru – G8 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Re1 d6 6. c3 a6 7. d4 Ba7 8. h3 O-O 9. Be3 h6 10. Bb3 Re8
Levitov Chess Week Rapid 2023 – Round 12.5 – So, Wesley – 1-0 – Anand, Viswanathan – G60 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Re1 O-O 6. d3 d6 7. c3 a6 8. h3 Re8 9. Bg5 h6 10. Bh4 Ba7