A18k — English: Mikenas, Flohr, 7.Nf3

1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 d4 5.exf6 dxc3 6.bxc3 Qxf6 7.Nf3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, paire de fous, colonnes b, e.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, arriéré d2, isolé a2, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● d3 — Libérer Bc1
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4
● Rb — Tour sur colonne b

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte f5, paire de fous, colonne d.
Faiblesses adverses : arriéré d2, isolé a2, Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Nbd7 — Développer Nb8
● ...Be7 — Développer Bf8
● ...Bg4 — Clouer Nf3

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A18k — Mikenas Flohr

1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 d4 5.exf6 dxc3 6.bxc3 Qxf6 7.Nf3

Eval: [+0.20]

Les coups candidats

7…e5 — 34.2% (447 parties)

Ambassadeurs : Girard, Eric (6x), Jussupow, Artur (4x), Rozentalis, Eduardas (4x), Kulaots, Kaido (4x), Korchnoi, Viktor (4x), Reizniece, Dana (4x), Gelfand, Boris (3x), Pogorelov, Ruslan (3x)

7…b6 — 25.0% (326 parties)

Ambassadeurs : Zwardon, Vojtech (7x), Sitorus, Yosua (4x), Semenova, El1 (4x), Nopin, Vyacheslav Mikhailo (4x), Wojtaszek, Radoslaw (3x), Navara, David (3x), Malinowski, Damian (3x), Priyanka Nutakki (3x)

7…c5 — 24.1% (315 parties)

Ambassadeurs : Cramling, Dan (5x), Plotkin, Victor (4x), Matnadze Bujiashvili, Ann (4x), Henriksson, Jacob (3x), Kharlov, Andrei (3x), Lalic, Bogdan (3x), Reinderman, Dimitri (3x), Sakelsek, Tadej (3x)

7…Nc6 — 5.6% (73 parties)

Ambassadeurs : Sinha, Sahil (4x), Aleksandrov Ivanchev, Aleksandar (2x), Ynojosa Aponte, Felix Jose (2x), Ditmas, Hugh (2x), Packroff, Hermann (2x), Shabalov, Alexander (2x), Gygli, Fritz (1x), Rosselli del Turco, Stefano (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…e5	7…b6	7…c5	7…Nc6
<1800	10	60%	20%	10%	10%
1800-2200	325	29%	22%	26%	6%
2200-2600	797	37%	26%	23%	5%
2600+	68	44%	31%	10%	15%

Évolution par décennie (% des parties)

Décennie	N parties	7…e5	7…b6	7…c5	7…Nc6
1930s	8	—	50%	25%	12%
1940s	2	—	—	100%	—
1950s	2	—	—	50%	—
1960s	7	—	—	86%	14%
1970s	3	33%	—	33%	—
1980s	27	19%	19%	56%	—
1990s	152	47%	11%	30%	1%
2000s	381	43%	14%	30%	2%
2010s	549	32%	29%	19%	9%
2020s	175	18%	50%	13%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…e5	32%	18%	▼ -13.2%
7…b6	29%	50%	▲ +21.3%
7…c5	19%	13%	▼ -6.2%
7…Nc6	9%	6%	▼ -3.2%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 4 parties
Anand, Viswanathan — 3 parties
Kramnik, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

7…e5 — 34.2% (447 parties)

1978 — Timman, Jan H vs Sosonko, Gennadi — 0-1 — Nijmegen rapid
1980 — Alburt, Lev vs Mednis, Edmar J — 1/2-1/2 — New York, NY USA
1981 — Raupp, Thomas vs Ahmels, Volker — 0-1 — Duitsland tt
1982 — Cramling, Dan vs Cebalo, Miso — 1/2-1/2 — Eksjo SWE
1982 — Sitanggang, Salor vs Mascarinas, Rico — 1-0 — Hong Kong zt

7…b6 — 25.0% (326 parties)

1930 — Opocensky, Karel vs Skalicka, Karel — 1-0 — Prague-ch Prague CZE
1933 — Eliskases, Erich vs Becker, Albert — 1-0 — Wenen
1935 — Golombek, Harry vs Danielsson, Goesta — 0-1 — 6th Olympiad
1938 — Pettersson, Willy vs Bergqvist, Allan — 1/2-1/2 — Stockholm SWE
1982 — Gogel, Dennis vs Quigley, Lawrence — 1-0 — St Paul

7…c5 — 24.1% (315 parties)

1935 — Alexander, Conol Hugh vs Kostic, Boris — 1/2-1/2 — Warsaw POL
1937 — Krogius, Ragnar vs Gauffin, Thorsten — 1-0 — Helsinki FIN
1945 — Popov, Vesselin vs Milic, Borislav — 1/2-1/2 — Sofia BUL
1946 — Florian, Tibor vs Asztalos, Lajos — 1-0 — Budapest HUN
1950 — Kramer, Gerald vs Zapata Vinces, Mario — 1/2-1/2 — Dubrovnik CRO

7…Nc6 — 5.6% (73 parties)

1938 — Gygli, Fritz vs Rosselli del Turco, Stefano — 1-0 — Lausanne SUI
1969 — Schmid, Lothar vs Martinez Ibrahim, F. — 1-0 — San Juan
1996 — Korchnoi, Viktor vs Ashley, Maurice — 1-0 — New York, NY USA
1999 — Lalic, Bogdan vs Woolley, Jos — 1-0 — Edinburgh SCO
2000 — Wilen, Eero vs Mujunen, Martti — 1-0 — Finland

	♔ Blancs	♚ Noirs
Pions doublés	● c3, ● c4	—
Pions isolés	● a2	—
Arriérés	● d2	—
Chaînes	● d2→c3	● f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1)	● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b, ● e	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	5 (b8, 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	semi-ouvert
Ruptures	● c4-c5, ● d2-d3	● …c7-c6, ● …c7-c5, ● …e6-e5

Partie
1930 Prague Ch Prague CZE – Round 8 – Opocensky, Karel – 1-0 – Skalicka, Karel – G6 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 b6 8. d4 Bb7 9. Bd3 Bd6 10. Ng5 Bf4
1935 Warsaw ol – Round ? – Alexander, Conol Hugh – 1/2-1/2 – Kostic, Boris – G45 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 c5 8. d4 h6 9. Bd3 cxd4 10. cxd4 Bb4+
1946 Hungary – Round 1 – Florian, Tibor – 1-0 – Asztalos, Lajos – G4 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 c5 8. g3 Bd6 9. Bg2 Nc6 10. O-O O-O
1960 Leipzig olm fin-A – Round 2 – Eliskases, Erich – 1/2-1/2 – Drimer, Dolfi – G21 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 c5 8. g3 Qd8 9. Bg2 Nc6 10. O-O Be7
1966 Hungary – Round 1 – Florian, Tibor – 1-0 – Estrin, Yakov – G11 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 c5 8. g3 Nc6 9. Bg2 Bd6 10. O-O O-O
1968 Reggio Emilia ITA – Round 1 – Radulov, Ivan – 1-0 – Trincardi, Tullio – G2 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 c5 8. Be2 Bd6 9. O-O O-O 10. d4 h6
1969 San Juan – Round 13 – Schmid, Lothar – 1-0 – Martinez Ibrahim, F. – G83 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 Nc6 8. d4 h6 9. Bd3 Bd6 10. O-O O-O
40. Olympiad Open 2012 – Round 9.3 – Aronian, Levon – 1-0 – Naiditsch, Arkadij – G514 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 e5 8. Bd3 Na6 9. O-O Bd6 10. Bc2 Bg4
42. Olympiad 2016 – Round 8.28 – Iotov, Valentin – 1/2-1/2 – Leitao, Rafael – G576 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 b6 8. d4 Bb7 9. Bd3 h6 10. O-O Bd6
43. Olympiad 2018 – Round 7.1 – Radjabov, Teimour – 1/2-1/2 – Wojtaszek, Radoslaw – G427 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 b6 8. d4 Bb7 9. Bd3 h6 10. O-O Bd6
51. Biel GM 2018 – Round 10.1 – Svidler, Peter – 1/2-1/2 – Mamedyarov, Shakhriyar – G28 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 b6 8. Bd3 Bb7 9. Bc2 Bxf3 10. Qxf3 Qxf3
51. Biel GM 2018 – Round 5.3 – Vachier-Lagrave, Maxime – 1-0 – Georgiadis, Nico – G15 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 Nc6 8. d4 e5 9. Be2 exd4 10. Bg5 Qg6
75. Tata Steel GpA 2013 – Round 8.3 – Aronian, Laurel – 1-0 – Hou, Yifan(HLJ) – G40 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 e5 8. Bd3 Bg4 9. Be4 Nd7 10. Bxb7 Rb8
82. Tata Steel GpA 2020 – Round 13.3 – Duda, Jacob – 1/2-1/2 – Anand, Viswanathan – G79 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 b6 8. d4 Bb7 9. Bd3 Bxf3 10. Qxf3 Qxf3
84. Tata Steel Masters 2022 – Round 10.2 – Giri, Anish – 1/2-1/2 – Duda, Jacob – G63 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 c5 8. Bd3 Bd7 9. Be4 Bc6 10. Qc2 Bxe4
9. London Classic 2017 – Round 6.5 – Anand, Viswanathan – 1/2-1/2 – Karjakin, Sergey – G30 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 e5 8. d4 Nc6 9. Bg5 Qg6 10. d5 Nb8
Botvinnik Memorial 2011 – Round 6 – Aronian, Levon – 1-0 – Kramnik, Vladimir – G11 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 e5 8. d4 exd4 9. Bg5 Qe6+ 10. Be2 Be7
FIDE World Cup 2015 – Round 2.1 – Smirin, Ilia – 1/2-1/2 – Radjabov, Teimour – G206 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 Nc6 8. Bd3 Ne5 9. Be4 Nxf3+ 10. Qxf3 Qxf3
FIDE World Cup 2017 – Round 2.1 – Navara, David – 1-0 – Cheparinov, Ivan – G190 1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 e5 8. d4 Nc6 9. Bg5 Qg6 10. d5 Nb8
FIDE World Cup 2019 – Round 2.2 – Fedoseev, Vladimir – 1/2-1/2 – Harikrishna, Pentala – G231 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 b6 8. d4 Bb7 9. Bd3 Bxf3 10. gxf3 Nd7
FTX Crypto Cup 2022 – Round 7.2 – Giri, Anish – 0-1 – Duda, Jacob – G102 1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 c5 8. d4 h6 9. Bd3 Nc6 10. Rb1 cxd4
Olympiad 2002 – Round 11 – Agrest, Evgenij – 0-1 – Sturua, Zurab – G353 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 e5 8. Bd3 Na6 9. Bc2 Bg4 10. O-O O-O-O
PCA/Intel-GP 1995 – Round 1 – Christiansen, Larry – 1/2-1/2 – Jussupow, Artur – G1 1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 e5 8. d4 exd4 9. Bg5 Qe6+ 10. Be2 f6
Saint Louis Blitz 2021 – Round 5.4 – Xiong, Jeffery – 1-0 – Shankland, Sam – G22 1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 b6 8. g3 Bb7 9. Bg2 Qd8 10. O-O Be7
Superbet Blitz 2022 – Round 9.1 – Caruana, Fabiano – 1/2-1/2 – Aronian, Levon – G41 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 b6 8. g3 Bb7 9. Bg2 Bd6 10. d4 h6
World Blitz 2009 – Round 16 – Anand, Viswanathan – 1/2-1/2 – Naiditsch, Arkadij – G155 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 c5 8. d4 cxd4 9. cxd4 Bb4+ 10. Bd2 Bxd2+
World Blitz 2015 – Round 18.12 – Ghaem Maghami, Ehsan – 0-1 – Ponomariov, Ruslan – G1098 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 b6 8. g3 Bb7 9. Bg2 Nd7 10. O-O Qd8
World Blitz Final 2012 – Round 14 – Andreikin, Dmitry – 0-1 – Jumabayev, Rinat – G103 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 e5 8. Qe2 Nc6 9. d4 Bg4 10. d5 Bxf3
Yerevan ol (Men) 1996 – Round 14 – Gelfand, Boris – 1-0 – Yegiazarian, Arsen – G207 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 e5 8. Bd3 Nc6 9. O-O Bd6 10. Rb1 O-O

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