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 semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte d4, paire de fous, colonne e.
Faiblesses adverses : arriéré c7, Bc8 enfermé, knight c6 en prise.
Problèmes : Bc1 enfermé, arriéré d2, 3 pièces non développées (B1, C1, A1).
Plans :
● Nc3 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4
● Bc2 — Anticiper ...Na5
● Re — Tour sur colonne e

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte g4, case forte d5, Be7 actif, paire de fous, colonne d.
Faiblesses adverses : arriéré d2, Bc1 enfermé.
Problèmes : Bc8 enfermé, arriéré c7.
Plans :
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Rd — Tour sur colonne d

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C89b — 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

Eval: [+1.01]

Les coups candidats

10.dxc6 — 75.2% (492 parties)

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

10.Ng5 — 23.2% (152 parties)

Ambassadeurs : Bade, Heidrun (4x), Rothmund, Joachim (2x), Vojenciakova, Mariana (2x), Matriciani, Ruediger (2x), Schuchardt, Guenter (2x), Mena Cordoba, Yamil Octavio (2x), Havasi, Kornel (1x), Balogh, Janos (1x)

10.d4 — 0.8% (5 parties)

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

10.Nd4 — 0.6% (4 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	27	70%	26%	—	4%
1800-2200	226	68%	31%	1%	0%
2200-2600	72	85%	12%	3%	—
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10.dxc6	10.Ng5	10.d4	10.Nd4
1890s	1	100%	—	—	—
1910s	1	100%	—	—	—
1920s	2	50%	50%	—	—
1930s	2	100%	—	—	—
1940s	11	55%	45%	—	—
1950s	26	77%	23%	—	—
1960s	63	87%	11%	—	—
1970s	61	85%	13%	2%	—
1980s	39	87%	13%	—	—
1990s	172	73%	26%	1%	—
2000s	158	70%	28%	—	2%
2010s	103	69%	28%	2%	1%
2020s	15	80%	20%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.dxc6	69%	80%	▲ +11.1%
10.Ng5	28%	20%	▼ -8.2%
10.d4	2%	0%	▼ -1.9%
10.Nd4	1%	0%	▼ -1.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

10.dxc6 — 75.2% (492 parties)

1893 — Walbrodt, Carl vs ? — 0-1 — Havana CUB
1917 — Frere, Bruno vs Akonde Marshall — 0-1 — New York, NY USA
1926 — Lasker, Edward vs Marshall, Frank — 1/2-1/2 — Chicago, IL USA
1930 — Stoltz, Gosta vs Steiner, Endre — 1-0 — Hamburg ol
1930 — Stoltz, Gabriel vs Steiner, Heinrich Jun. — 1-0 — Hamburg GER

10.Ng5 — 23.2% (152 parties)

1929 — Fox, Mark vs Steiner, Heinrich Jun. — 1-0 — Bradley Beach
1940 — Havasi, Kornel vs Balogh, Janos — 1/2-1/2 — HUN
1942 — Ancsin vs Aranyi, Bence — 0-1 — corr Hungary
1947 — Yanofsky, Kevin vs Tornerup — 0-1 — Copenhagen DEN
1947 — Yanofsky, Daniel Abraham vs Tornerup, J.. — 0-1 — ?

10.d4 — 0.8% (5 parties)

1975 — Bronstein, Luis Marcos vs Camara, Helder — 1-0 — Fortaleza BRA
1990 — Kovacs, Laszlo M vs Szigetvari, Jozsef — 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 — 0.6% (4 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

	♔ Blancs	♚ Noirs
Pions doublés	● d2, ● d5	—
Pions isolés	—	—
Arriérés	● d2	● c7
Chaînes	● b2→c3, d2→c3	● a6→b5
Passés	—	—
Majorité	● centre 2v1	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1)	● g4 (2v0), ● d5 (2v1)
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	semi-ouvert
Ruptures	● c3-c4, ● d2-d3, ● d2-d4	—

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

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