Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	● d2, ● d5	—
Pions isolés	—	—
Arriérés	● d2	—
Chaînes	● b2→c3, d2→c3	● a6→b5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1)	● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1)	● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● e	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb3	● Bb3 Ok (mob. 3)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 6)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● c3-c4, ● d2-d3, ● d5-d6	● …e4-e3

C89b — Spanish: Marshall, Herman Steiner Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 e4 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. dxc6 (Capture en c6, Renforcer le centre — 82 % des parties) ; Ng5 (16 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...exf3 (Capture en f3 — 83 % des parties) ; ...Bg4 (Fou actif (mobilité 7), Développer c8 — 10 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1929 Bradley Beach – Round 5 – Fox, Mark – 1-0 – Steiner, Heinrich Jun. – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. Ng5 Ne5
1930 Hamburg olm – Round 1 – Stoltz, Gabriel – 1-0 – Steiner, Heinrich Jun. – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1948 Saltsjobaden Interzonal – Round 18 – Boleslavsky, Isaac – 1/2-1/2 – Pirc, Vasja – G167 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1949 Trencianske Teplice – Round 14 – O'Kelly, Albéric de Galway – 1-0 – Rohacek, Ivan – G86 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1950 Stevenson Mem 2. / SCCU Ch – Round 7 – Aitken, James – 1/2-1/2 – Barden, Leonard – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. Ng5 Bd6
1953 Bariloche – Round 8 – Gonzalez Intelangelo, Gerardo – 1/2-1/2 – Ader Hausman, Walter – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1957 DDR Ch U18 – Round 16 – Wejnar, Franz – 1/2-1/2 – Neukirch, Detlef – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. Ng5 Bg4
1957 Moscow – Round 1 – Shcherbakov, Vadim – 0-1 – Estrin, Yakov – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1958 Haifa/Tel Aviv – Round 6 – Van den Berg, Carel B – 0-1 – Szabo, Ladislav – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1958 Hoogovens – Round 1 – Matanovic, Aleksandar – 1-0 – Milic, Borislav – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1959 Buenos Aires JM – Round 8 – Melamedoff, Manuel – 0-1 – Garcia Rodriguez, Raimundo – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1959 New York ch-USA – Round 8 – Fischer, Raphael – 1-0 – Bernstein, Sidney – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1959 Riga – Round 1 – Gipslis, Aivars – 1-0 – Witkowski, Stefan – G47 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1960 Asuncion – Round 1 – Riego, Victorio – 0-1 – Letelier Martner, Rene – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. Ng5 Ne5
1960 Madrid zt – Round 1 – Pachman, Ludek – 1/2-1/2 – Nejkirch – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1960 New York ch-USA – Round 6 – Fischer, Raphael – 1-0 – Seidman, Herbert – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1961 Belgrade Open – Round 5 – Vasiukov, Evgeni – 1-0 – Karaklajic, Nikola – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1961 BRA Ch – Round 11 – Camara, Helder – 1/2-1/2 – Camara Ronald – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. Ng5 Bg4
1961 Clare Benedict Cup 08th – Round 4.2 – Unzicker, Wolfgang – 1-0 – Cappello, Guido – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. Ng5 Ne5
1961 Moscow – Round 1 – Vasiukov, Evgeni – 1-0 – Tolush, Alexander – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1962 Copenhagen – Round ? – Kolvig, Bent – 1-0 – Hamann, Svend – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1963 Copenhagen – Round 1 – Kolvig, Bent – 1-0 – Petersen, Finn – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1963 Corr – Round 1 – Smith, Andrew Philip – 1/2-1/2 – Johansson, Martin 1979 – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1964 Corr EU M – Round ? – Schrancz, Istvan – 1-0 – Holzvoigt, G – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1965 FRG CupT – Round 2.2 – Schmid, Lothar – 1-0 – Martius, Ottokar – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1965 Moscow – Round 1 – Aronin, Lev – 1-0 – Gruzmann, Boris – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
1965 Tbilisi – Round 1 – Jansa, Vlastimil – 1/2-1/2 – Bokuchava, Alexander – G53 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3
2. London Chess Classic 2010 – Round 5 – Nakamura, Hikaru – 1-0 – Short, Nigel D – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 10. dxc6 exf3

C89b — Marshall Attack, Steiner Variation (1929)

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 e4

Les coups candidats

10.dxc6 — 75.2% (481 parties)

Ambassadeurs : Boschetti, Claudio (5x), De Coverly, Roger D (4x), Segiet, J. (3x), Estrin, Yakov (3x), Schuchardt, Guenter (3x), Ruiz, Carlos (3x), Okrugin, Alexander (3x), Vasiukov, Evgeni (2x)

10.Ng5 — 23.1% (148 parties)

Ambassadeurs : Rothmund, Joachim (2x), Schuchardt, Guenter (2x), Sacks, Andrew (1x), Gysbers, Jack (1x), Riego, Victorio (1x), Letelier Martner, Rene (1x), Breck, Jakub (1x), Zedek, Alois (1x)

10.d4 — 0.8% (5 parties)

Ambassadeurs : Bronstein, Luis Marcos (1x), Camara, Helder (1x), Wieder, Heiner (1x), Reth, I. (1x), Kovacs, Laszlo (1x), Szigetvari, Joseph (1x), Moller, Arne Vagn (1x), Varming, Thomas (1x)

10.Nd4 — 0.8% (5 parties)

Ambassadeurs : Matthias, Kurt (1x), Luft, Dennis (1x), Berg, Antonin (1x), Vagenknecht, Josef (1x), Ernst, Mathias, Dr. (1x), Martensen, Helmut (1x), Bray, Jose Manuel (1x), Gouvart, Stephane (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.dxc6	10.Ng5	10.d4	10.Nd4
<1800	45	71%	29%	—	—
1800-2200	256	68%	30%	1%	1%
2200-2600	70	90%	9%	1%	—
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10.dxc6	10.Ng5	10.d4	10.Nd4
1950s	26	77%	23%	—	—
1960s	60	87%	12%	—	—
1970s	62	85%	13%	2%	—
1980s	40	88%	12%	—	—
1990s	172	73%	26%	1%	—
2000s	158	70%	28%	—	2%
2010s	104	68%	29%	2%	1%
2020s	18	72%	22%	—	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.dxc6	68%	72%	▲ +4.0%
10.Ng5	29%	22%	▼ -6.6%
10.d4	2%	0%	▼ -1.9%
10.Nd4	1%	6%	▲ +4.6%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

10.dxc6 — 75.2% (481 parties)

1950 — Jorgensen, Leon vs Tornerup, John — 0-1 — Vejle DEN
1950 — Mitchell, Graham Russell vs Barda, Olaf — 1-0 — ICCF
1951 — Jonsson, Johannes G vs Lindberg, Adrian — 1-0 — Soderhamn
1952 — Kuypers, C. vs Oudheusden, WA. — 0-1 — cr.
1953 — Gonzalez G., Laura vs Ader Hausman, Walter — 1/2-1/2 — Bariloche

10.Ng5 — 23.1% (148 parties)

1950 — Abiolla James vs Barden, Leonard — 1/2-1/2 — Southsea
1953 — Adrian Misael St-til Castillo vs Bakir, Ecenur — 0-1 — Madrid ESP
1954 — Almgren, Sven vs Rivise, Irving — 0-1 — Hollywood, CA
1955 — Aadil Johnson vs Engelhardt, Anders — 0-1 — Copenhagen DEN
1957 — Wagner, Franz vs Neukirch, Detlef — 1/2-1/2 — Ruhla

10.d4 — 0.8% (5 parties)

1975 — Bronstein, Luis Marcos vs Camara, Helder — 1-0 — Fortaleza BRA
1990 — Kovacs, Laszlo vs Szigetvari, Joseph — 0-1 — Kecskemet HUN
1991 — Wieder, Heiner vs Reth, I. — 1-0 — Trier ch-RL
2014 — Moller, Arne Vagn vs Varming, Thomas — 1/2-1/2 — Sundbyoster
2016 — Fivelstad, Jon Olav vs Kristinsson, Ogmundur — 1-0 — Reykjavik ISL

10.Nd4 — 0.8% (5 parties)

2003 — Matthias, Kurt vs Luft, Dennis — 0-1 — ?
2007 — Berg, Antonin vs Vagenknecht, Josef — 0-1 — Czech Republic
2007 — Ernst, Mathias, Dr. vs Martensen, Helmut — 0-1 — Mecklenburg VP
2010 — Bray, Jose Manuel vs Gouvart, Stephane — 0-1 — Figueira da Foz POR
2025 — Ladner, Peter vs Lenz, Boris — 0-1 — Bregenz AUT

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