Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	● f2, ● f5	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	● aile roi 4v2	—

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● e	● f

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb5	● Bb5 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● a1, ● h1)	5 (● 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	mobile
Ruptures	● d2-d4, ● f5-f6	—

C63b — Spanish: Schliemann, 4.exf5

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.exf5 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Qe2 (Pression sur colonne e, Prépare O-O-O — 48 % des parties) ; Bxc6 (Clouer d7, Fou actif (mobilité 6) — 40 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...e4 (Occuper le centre — 84 % des parties) ; ...Nf6 (Développer g8 — 12 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1905 Hauptturnier A – Round 7 – Důras, Oldřich – 1-0 – Englund, Fritz – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Qe2 Qe7 6. Bxc6 bxc6 7. Nd4 c5 8. Nb5 d5 9. O-O Bxf5 10. f3 c6
1905 It (Men) Barmen GER – Round 1 – Neumann Feliu, Rodrigo – 1/2-1/2 – Spielmann, Rudolf – G49 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Qe2 Qe7 6. Bxc6 bxc6 7. Nd4 Nf6 8. O-O c5 9. Nb5 d5 10. f3 c6
1919 Gothenborg – Round ? – Larsson, Anders 1955 – 1-0 – Spielmann, Rudolf – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Bxc6 dxc6 6. Qe2 Bxf5 7. d3 Qe7 8. dxe4 Qxe4 9. Nd4 O-O-O 10. Nxf5 Qxf5
1949 Budapest-Moscow – Round 13 – Szily, Jozsef – 0-1 – Bronstein, David I – G98 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Qe2 Qe7 6. Bxc6 bxc6 7. Nd4 Nf6 8. Nc3 c5 9. Nb3 d5 10. Qb5+ Qd7
1958 Torneo de las Americas 1st – Round 1 – Acosta Cuellar, Juan Martin – 0-1 – Bisguier, Arthur B – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Qe2 Qe7 6. Bxc6 dxc6 7. Nd4 Qe5 8. Ne6 Bxe6 9. fxe6 Bd6 10. Nc3 Nf6
1959 Stevenson Memorial – Round 7 – Mardle, Denis – 1-0 – Furmston, MP. – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Qe2 Qe7 6. Bxc6 dxc6 7. Nd4 Qe5 8. Ne6 Bxe6 9. fxe6 O-O-O 10. Nc3 Nf6
1963 Winnipeg – Round 10 – Suttles, Duncan – 1-0 – Allan Dennis – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Bxc6 dxc6 6. Qe2 Bxf5 7. d3 Qe7 8. dxe4 Qxe4 9. Nd4 Qxe2+ 10. Kxe2 Bd7
1964 Magdeburg – Round 8 – Postler, Reinhard – 0-1 – Moehring, Guenther – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Bxc6 bxc6 6. Qe2 Qe7 7. Nd4 Nf6 8. O-O c5 9. Nb5 d5 10. f3 c6
1965 Titograd – Round 12 – Nikolic, Stanimir – 1/2-1/2 – Marić, Rudolf – G89 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Qe2 Qe7 6. Bxc6 dxc6 7. Nd4 Qe5 8. Nf3 Qe7 9. Nd4 Nf6 10. Nc3 Qe5

C63b — Schliemann Defense, Jaenisch Gambit Accepted (1905)

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.exf5

Les coups candidats

4…e4 — 89.6% (579 parties)

Ambassadeurs : Rosner, Dirk (6x), Leisebein, Peter (5x), Vontina, Maria (5x), Chylik, Rudolf (4x), Wall, Bill (3x), Jackova, Jana (3x), Chen, Yanxi Lolly (3x), Bazant, Petr (3x)

4…Nf6 — 5.9% (38 parties)

Ambassadeurs : Tompa, Janos (2x), Heimrath, Reiner (2x), Joswin Christin Pais (1x), ? (1x), Sandum, Kjell Tore (1x), Jordahl, Asgeir (1x), Mikisa Price (1x), White, Gabriel (1x)

4…d6 — 2.8% (18 parties)

Ambassadeurs : Paciuk, Hector Isabelino (2x), Stoel, S. (1x), Van Brug, Rolf (1x), Krajcovic, Branislav (1x), Havran, Svetozar (1x), Bozi, Melinda (1x), Remete, Zsuzsa (1x), Bergli, Stale (1x)

4…Bc5 — 0.8% (5 parties)

Ambassadeurs : Nandkumar Patule (1x), Talavera, L. (1x), Banas, Kamil (1x), Castiglione, Mario (1x), Vontina, Maria (1x), Havelka, Josef (1x), Tsolov, Tsanko (1x), Simov, Zahari (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…e4	4…Nf6	4…d6	4…Bc5
<1800	96	92%	4%	3%	1%
1800-2200	281	92%	5%	2%	0%
2200-2600	68	91%	6%	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	4…e4	4…Nf6	4…d6	4…Bc5
1950s	3	100%	—	—	—
1960s	6	67%	33%	—	—
1970s	11	82%	9%	—	9%
1980s	37	89%	11%	—	—
1990s	172	90%	8%	2%	1%
2000s	224	89%	4%	5%	—
2010s	174	90%	5%	2%	2%
2020s	19	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…e4	90%	100%	▲ +9.8%
4…Nf6	5%	0%	▼ -4.6%
4…d6	2%	0%	▼ -2.3%
4…Bc5	2%	0%	▼ -1.7%

Parties historiques

4…e4 — 89.6% (579 parties)

1958 — Cuellar Gacharna, Miguel vs Bisguier, Arthur B — 0-1 — Bogota COL
1959 — Wiesner, Manfred vs Rautenstrauch, Hans Hubert — 0-1 — Boehlen
1959 — Mardle, Denis vs Furmston, MP. — 1-0 — Bognor Regis
1963 — Suttles, Duncan vs Allan, Denis — 1-0 — ?
1964 — Postler, Reinhard vs Moehring, Guenther — 0-1 — Magdeburg GER

4…Nf6 — 5.9% (38 parties)

1962 — Joswin Christin Pais vs Tompa, Janos — 0-1 — Budapest HUN
1962 — ? vs Tompa, Janos — 0-1 — HUN
1977 — Mikisa Price vs White, Gabriel — 1-0 — Univ Dayton Open
1981 — Sandum, Kjell Tore vs Jordahl, Asgeir — 1-0 — Kristianssund
1986 — Andre da Costa Kizua vs Voets, Dorian — 1-0 — cr.

4…d6 — 2.8% (18 parties)

1991 — Stoel, S. vs Van Brug, Rolf — 1-0 — corr Netherlands
1997 — Krajcovic, Branislav vs Havran, Svetozar — 1/2-1/2 — SVK
1998 — Bozi, Melinda vs Remete, Zsuzsa — 1-0 — Paks HUN
2000 — Ciezkowsky, Joseph vs Ulenaers, Marc — 0-1 — Lommel
2002 — Derli, Olga vs Gerasimenyuk, Mikhail — 1-0 — St Petersburg RUS

4…Bc5 — 0.8% (5 parties)

1976 — Nandkumar Patule vs Talavera, L. — 0-1 — corr LADAC th
1997 — Banas, Kamil vs Castiglione, Mario — 1-0 — Topolcianky
2011 — Tsolov, Tsanko vs Simov, Zahari — 1/2-1/2 — ?
2013 — Vontina, Maria vs Havelka, Josef — 0-1 — LSS
2018 — Moskwinski, Marek vs Sloniewski, Michal — 1/2-1/2 — Warsaw POL