C54k — Giuoco Piano: Anderssen Variation

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.e5 d5 7.Bb5 Ne4 8.cxd4 Bb4+ * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Bd2 (Fou actif (mobilité 7), Développer c1 — 74 % des parties) ; Nbd2 (Développer b1 — 25 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Nxd2 (49 % des parties) ; ...Bxd2+ (Fou actif (mobilité 9) — 20 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 18 % des parties) ; ...Bd7 (Fou actif (mobilité 5), Développer c8 — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● d4→e5	—
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	● d2	● e5, ● g5
Centre	● d4 (2v1), ● e5 (2v1)	● d5 (1v0), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb5	● Bb5 Actif (mob. 7)
Bb4		● Bb4 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	—	● knight c6
Non développées	4 (● b1, ● c1, ● a1, ● h1)	3 (● 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	● e5-e6	● …f7-f6

Partie
1927 Amsterdam – Round 1 – Euwe, Max – 1-0 – Van Hoorn, Casper – G5 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 d5 5. Bb5 exd4 6. e5 Ne4 7. cxd4 Bb4+ 8. Nbd2 O-O 9. O-O Bxd2 10. Bxd2 Nxd2
1950 Hastings5051 – Round 7 – Castaldi, Vincenzo – 1/2-1/2 – Phillips, Alan – G32 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ 9. Nbd2 O-O 10. O-O Nxd2
1950 Vienna – Round 3 – Paoli, Enrico – 1-0 – Michel, Paul – G8 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ 9. Bd2 Nxd2 10. Nbxd2 O-O
1965 Hastings ch-BCF – Round 3 – Mardle, Denis – 0-1 – Ansell, John – G44 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ 9. Kf1 O-O 10. Qa4 a5
Tal Memorial Blitz 2008 – Round 12 – Leko, Peter – 1-0 – Mamedyarov, Shakhriyar – G105 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ 9. Bd2 Nxd2 10. Bxc6+ bxc6

C54k — Classical Variation, Greco Gambit, Anderssen Variation (1927)

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.e5 d5 7.Bb5 Ne4 8.cxd4 Bb4+

Les coups candidats

9.Bd2 — 73.6% (839 parties)

Ambassadeurs : Domingo, Jordi (8x), Chetina, Elizaveta (3x), Zawadzka, Jolanta (3x), Issani, Nameer (3x), Bojkovic, Natasa (2x), Haber, Kamila (2x), Vega Chirino, Lemay (2x), Vigil Alvarez, Luis Javier (2x)

9.Nbd2 — 24.7% (282 parties)

Ambassadeurs : Piroska, Istvan (3x), Cardena Cazares, Manuel Bernardo (2x), Maric, Viktor (2x), Triunfetti, Claudio (2x), Morel, Oscar (2x), Castaldi, Vincenzo (1x), Phillips, Alan (1x), Rizk, Joseph (1x)

9.Kf1 — 0.8% (9 parties)

Ambassadeurs : Molnar, Francois (1x), Ravn, Palle (1x), Mardle, Denis (1x), Ansell, John (1x), Denda, Ronald (1x), EUGENE SOREE (1x), Balaskas, Panayotis (1x), Delithanasis, Dimitrios (1x)

9.Nfd2 — 0.8% (9 parties)

Ambassadeurs : Zdrojewska, Natalia (1x), Staszewska, Aleksandra (1x), Martinez Perdomo, Aleidi Josefina (1x), Liyanagedara, L G A (1x), Charbonneau, Pascal (1x), Grigoriants, Sergey (1x), Garma, Chito (1x), Peiris, T D R (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Bd2	9.Nbd2	9.Kf1	9.Nfd2
<1800	198	77%	22%	1%	1%
1800-2200	585	75%	23%	1%	1%
2200-2600	211	72%	27%	—	1%
2600+	10	90%	10%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Bd2	9.Nbd2	9.Kf1	9.Nfd2
1950s	3	33%	33%	33%	—
1960s	3	33%	33%	33%	—
1970s	6	50%	50%	—	—
1980s	14	79%	21%	—	—
1990s	116	63%	36%	—	1%
2000s	321	73%	24%	1%	2%
2010s	431	79%	20%	1%	0%
2020s	246	71%	28%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Bd2	79%	71%	▼ -7.7%
9.Nbd2	20%	28%	▲ +8.7%
9.Kf1	1%	0%	▼ -1.2%
9.Nfd2	0%	0%	-0.2%

Parties historiques

9.Bd2 — 73.6% (839 parties)

1950 — Paoli, Enrico vs Michel, Paul — 1-0 — Vienna AUT
1964 — Pena Felix, Gustavo Adolfo vs Ramirez Espinoza, Percy Willy — 1/2-1/2 — Tel Aviv ISR
1976 — Rigo, Janos vs Karsa, Laszlo — 0-1 — Budapest HUN
1977 — Wozney, Tom vs Voelker, James — 1/2-1/2 — Ohio Congress
1977 — Hansen, Curt vs Mannion, Stephen R — 1-0 — Rouen FRA

9.Nbd2 — 24.7% (282 parties)

1950 — Castaldi, Vincenzo vs Phillips, Alan — 1/2-1/2 — Hastings ENG
1968 — Rizk, Joseph vs Reissman, Peter — 0-1 — Lugano SUI
1974 — Stratil, Ladislav vs Dekker, Kees — 0-1 — cr.
1976 — Geleriu, Calin-Stelian vs Abhishek Birla — 0-1 — corr EU
1979 — Riha, Vaclav vs Sosna, Jan — 1/2-1/2 — Loucovice

9.Kf1 — 0.8% (9 parties)

1955 — Molnar, Francois vs Ravn, Palle — 1/2-1/2 — Paris FRA
1965 — Mardle, Denis vs Ansell, John — 0-1 — Hastings ch-BCF
2002 — Denda, Ronald vs EUGENE SOREE — 1-0 — Heimbach-Weis
2007 — Balaskas, Panayotis vs Delithanasis, Dimitrios — 1/2-1/2 — Peiraias GRE
2012 — Omercic, Muhamed vs Kalac, Hajran — 1-0 — Lukavac

9.Nfd2 — 0.8% (9 parties)

1999 — Zdrojewska, Natalia vs Staszewska, Aleksandra — 0-1 — Straszecin POL chTJ
2000 — Charbonneau, Pascal vs Grigoriants, Sergey — 1/2-1/2 — Montreal CAN
2001 — Garma, Chito vs Peiris, T D R — 0-1 — Calcutta IND
2002 — Martinez Perdomo, Aleidi Josefina vs Liyanagedara, L G A — 1-0 — Bled SLO
2006 — Zialor, Michel vs Hayashi, Kaito — 0-1 — Turin ITA

1927 Amsterdam – Round 1 – Euwe, Max – 1-0 – Van Hoorn, Casper – G5

1950 Hastings5051 – Round 7 – Castaldi, Vincenzo – 1/2-1/2 – Phillips, Alan – G32

1950 Vienna – Round 3 – Paoli, Enrico – 1-0 – Michel, Paul – G8

1965 Hastings ch-BCF – Round 3 – Mardle, Denis – 0-1 – Ansell, John – G44

Tal Memorial Blitz 2008 – Round 12 – Leko, Peter – 1-0 – Mamedyarov, Shakhriyar – G105