Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d6→e5, b7→a6, c7→d6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Ba4	● Ba4 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Clouages	—	● knight c6
Non développées	3 (● b1, ● c1, ● a1)	5 (● g8, ● c8, ● f8, ● 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	● d2-d4	● …d6-d5, ● …f7-f5

C72a — Spanish: Modern Steinitz, 5.O-O

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. c3 (Renforcer le centre — 38 % des parties) ; d4 (Occuper le centre — 20 % des parties) ; h3 (Empêcher ...Bg4 — 19 % des parties) ; Re1 (8 % des parties) ; c4 (Frapper le centre adverse — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bd7 (Fou actif (mobilité 5), Développer c8 — 54 % des parties) ; ...Bg4 (Fou actif (mobilité 7), Développer c8 — 26 % des parties) ; ...Nf6 (Développer g8 — 10 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1905 It (Men) Stockholm SWE – Round 16 – Rubinstein, Akiba – 1-0 – Leonhardt, Paul – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O b5 6. Bb3 Na5 7. d3 Nf6 8. Re1 Be7 9. Nbd2 O-O 10. Nf1 Ne8
1906 It (Men) Nuerenberg GER – Round 5 – Leonhardt, Paul – 1/2-1/2 – Schlechter, Carl – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O b5 6. Bb3 Na5 7. d4 exd4 8. Nxd4 Bb7 9. c4 Nxc4 10. a4 c6
1912 DSB-18.Kongress – Round 8 – Breyer, Gyula – 1-0 – Lowtzky, Mojsesz – G61 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O f5 6. d4 b5 7. Bb3 Nxd4 8. Nxd4 exd4 9. Bd5 Rb8 10. exf5 Qf6
1924 New York – Round 1 – Yates, Frederic D – 0-1 – Alekhine, Alexander – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O g6 6. c3 Bg7 7. d4 Bd7 8. Bg5 Nge7 9. dxe5 dxe5 10. Qd3 h6
1925 BCF Ch 18th – Round 7 – Yates, Fred Dewhirst – 1-0 – Blake, Joseph – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O g6 6. d4 Bd7 7. Nc3 Bg7 8. Be3 Nge7 9. Ne2 O-O 10. c3 Qe8
1930 Frankfurt – Round 1 – Thomas, George Alan – 1/2-1/2 – Przepiorka, Dawid – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O b5 6. Bb3 Na5 7. d4 Nxb3 8. axb3 f6 9. Nc3 Bb7 10. Qe2 Ne7
1947 Nt – Round 5 – Rautenberg, Wilhelm – 1/2-1/2 – Menke, Gerhard – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O f5 6. exf5 Bxf5 7. d4 b5 8. Bb3 e4 9. Bd5 Qd7 10. Ng5 Nf6
1952 Mar del Plata – Round 15 – Gentil Junior, Luiz – 0-1 – Maderna, Carlos – G111 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O b5 6. Bb3 Na5 7. d3 Nf6 8. Nc3 Nxb3 9. axb3 Bg4 10. h3 Bh5
1962 Wch5 sf10 6265 – Round ? – Cafferty, Bernard – 1-0 – Hoelscher, HGJ . – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O f5 6. exf5 Bxf5 7. d4 b5 8. Bb3 Qd7 9. Re1 O-O-O 10. a4 e4
1963 Leningrad ch-URS – Round 1 – Suetin, Alexey S – 1-0 – Bondarevsky, Igor – G101 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O g5 6. d4 g4 7. Bxc6+ bxc6 8. Ne1 exd4 9. Qxd4 Qf6 10. Qa4 Ne7
1965 Capablanca Memorial – Round 8 – Lehmann, Heinz – 1/2-1/2 – Jimenez Zerquera, Eleazar – G80 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Be7 6. d4 b5 7. Bb3 Nxd4 8. Nxd4 exd4 9. Qh5 g6 10. Qd5 Be6
1965 Pardubice – Round 13 – Smejkal, Jakub – 1/2-1/2 – Florian, Jaromir – G84 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O g6 6. d4 f6 7. c4 Bd7 8. Nc3 Nh6 9. dxe5 dxe5 10. Qd5 Nf7
1966 La Habana olm fin-B – Round 2 – Bednarski, Jacek B – 1-0 – Prins, Lodewijk – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O g5 6. d4 g4 7. Bxc6+ bxc6 8. Ne1 exd4 9. Qxd4 Qf6 10. Qa4 Ne7
1975 Milan – Round 11 – Browne, Walter Shawn – 0-1 – Portisch, Lajos – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Be7 6. c3 Bg4 7. d3 Nf6 8. Nbd2 Nd7 9. h3 Bh5 10. Bc2 Nf8
1975 Milan – Round 2 – Karpov, Anatoly – 1-0 – Portisch, Lajos – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Be7 6. Bxc6+ bxc6 7. d4 exd4 8. Nxd4 c5 9. Nc6 Qd7 10. Na5 Bf6
1975 Torneo Internazionale – Round 2 – Karpov, Anatoly – 1-0 – Portisch, Lajos – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Be7 6. Bxc6+ bxc6 7. d4 exd4 8. Nxd4 c5 9. Nc6 Qd7 10. Na5 Bf6

C72a — Morphy Defense, Modern Steinitz Defense (1905)

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O

Les coups candidats

5…Bd7 — 56.1% (4172 parties) →

Ambassadeurs : Westerinen, Heikki M.J. (42x), Ciocaltea, Victor (31x), Ivkov, Borislav (27x), Klovans, Janis (23x), ? (21x), Kulon, Klaudia (20x), Keres, Paul Petrovich (19x), Medina-Garcia, Antonio (18x)

5…Bg4 — 21.6% (1610 parties) →

Ambassadeurs : Yandemirov, Valeri (40x), Vorotnikov, Vladislav V (26x), Pietruske, Siegfried (13x), Upton, Timothy J (12x), Klovans, Janis (11x), Zeller, Frank (11x), Ciocaltea, Victor (10x), Biro, Sandor (10x)

5…Nf6 — 12.4% (922 parties) →

Ambassadeurs : Lutikov, Anatoly S (7x), Potemri, Stefan (6x), Injac, Teodora (6x), Hejny, Jaroslav (5x), Winants, Luc (5x), Kordinova, Monika (4x), Carrizo, Jose Andres (4x), Furhoff, Johan (4x)

5…b5 — 3.5% (261 parties)

Ambassadeurs : Rolletschek, Heinrich (12x), Jempty, George M (6x), Curdo, John (3x), Miettinen, Kristo S (3x), Leskowsky, Zoltan Emerk (2x), Peters, Alexander John (2x), Bierenbroodspot, Paul (2x), Vavulin, Maxim (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Bd7	5…Bg4	5…Nf6	5…b5
<1800	400	34%	23%	27%	6%
1800-2200	2179	50%	23%	15%	4%
2200-2600	3134	67%	18%	8%	3%
2600+	225	80%	12%	4%	1%

Évolution par décennie (% des parties)

Décennie	N parties	5…Bd7	5…Bg4	5…Nf6	5…b5
1950s	68	56%	21%	12%	4%
1960s	420	56%	30%	8%	2%
1970s	651	63%	22%	9%	2%
1980s	508	56%	30%	5%	3%
1990s	881	46%	25%	15%	5%
2000s	1463	44%	26%	17%	3%
2010s	1886	58%	18%	13%	4%
2020s	1560	69%	14%	11%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Bd7	58%	69%	▲ +11.3%
5…Bg4	18%	14%	▼ -4.6%
5…Nf6	13%	11%	▼ -2.3%
5…b5	4%	3%	▼ -1.2%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Anand, Viswanathan — 7 parties
Kasparov, Garry — 4 parties
Carlsen, Magnus — 3 parties
Karpov, Anatoly — 2 parties
Ju, Wenjun — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie
Gukesh D — 1 partie

Parties historiques

5…Bd7 — 56.1% (4172 parties)

1950 — Vajda, Arpad vs Szabo, Laszlo — 1/2-1/2 — Budapest HUN
1950 — Unzicker, Ferdinand, Dr. vs Saemisch, Friedrich — 1-0 — Travemuende
1950 — Cuadrado Pastor, Antonio vs Wood, Gabriel — 1/2-1/2 — corr Wch1
1950 — Bergqvist, Nils vs Staudte, Hans-Hilmar — 0-1 — Dubrovnik olm
1951 — Radojcic, Miroslav vs Sergeant, Edward — 0-1 — Hastings ENG

5…Bg4 — 21.6% (1610 parties)

1951 — Barde Pratham vs Joachim, C.K.. — 1/2-1/2 — Blaine
1952 — Lambert, Hans vs Horne, Dennis Morton — 0-1 — Helsinki olm
1954 — Fichtl, Jiri vs Sefc, Jan — 1-0 — Prague CZE
1956 — Cernik, Frantisek vs Smetana, Jaroslav — 0-1 — Chomutov
1957 — Khanov, Kurban vs Kaminsky, Oleg — 0-1 — Sverdlovsk

5…Nf6 — 12.4% (922 parties)

1951 — Bogoljubow, Efim vs Kieninger, Georg — 1-0 — Augsburg GER
1953 — Luczynowicz, Waclaw vs Grabczewski, Romuald — 0-1 — Krakow POL
1953 — Yanofsky, Daniel Abraham vs Horne, Dennis Morton — 0-1 — Hastings ch-BCF
1954 — Unzicker, Ferdinand, Dr. vs Abiolla James — 1-0 — Munich GER
1956 — Flores, Adrian vs Andrade Andrade, Mathias Benjamin — 1/2-1/2 — Moskou olm

5…b5 — 3.5% (261 parties)

1950 — Ronean, J. vs Genereux, Paul — 1/2-1/2 — Edmonton CAN
1952 — Gentil Junior, Luiz vs Maderna, Carlos — 0-1 — Mar del Plata ARG
1958 — Siveri, Armando vs Baldanello, Mario — 0-1 — San Benedetto
1960 — Spassky, Boris V. vs Sakharov, Yuri N — 1-0 — Moscow RUS
1962 — Ajanski, Jordan S vs Filchev, Rusko — 0-1 — Sofia BUL

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