A31m — English: Symmetrical, Two Knights, 4…Nc6

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte b5, case forte d5, paire de fous, colonne d.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Bg5 — Clouer Nf6
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 4 pièces non développées (C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Bd6 — Développer Bf8
● ...d5 — Rupture
● ...e6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A31m — Symmetrical Two Knights

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3

Eval: [+0.34]

Les coups candidats

5…e6 — 47.1% (6600 parties) →

Ambassadeurs : Korchnoi, Viktor (44x), De Firmian, Nick (29x), Krasenkow, Michal (25x), Hulak, Krunoslav (24x), Timman, Jan H (24x), Rogulj, Branko (24x), Vachier-Lagrave, Maxime (24x), Portisch, Lajos (20x)

5…g6 — 34.5% (4840 parties) →

Ambassadeurs : Pogorelov, Ruslan (15x), Cvetkovic, Srdjan (13x), Arkell, Keith C (9x), Portisch, Lajos (8x), Hocevar, Nikola (8x), Garcia, Antonio 1954 (7x), Linqvist, Grels (7x), Gheorghiu, Florin (6x)

5…d6 — 5.6% (778 parties)

Ambassadeurs : Srbis, Jurica (6x), Berke, Ana (6x), Campora, Daniel H. (4x), Mickiewicz, Piotr (4x), Pomar Salamanca, Arturo (3x), Giese, Lothar (3x), Philippe, Georges (2x), Van Scheltinga, Theo (2x)

5…Qb6 — 3.9% (549 parties)

Ambassadeurs : Sax, Gyula (7x), Kosic, Dragan (6x), Horvath, Jozsef (5x), Tolnai, Tibor (5x), Panno, Oscar (3x), Adorjan, Andras (3x), Lazarev, Vladimir (3x), Robatsch, Karl (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…e6	5…g6	5…d6	5…Qb6
<1800	325	32%	38%	7%	3%
1800-2200	4279	30%	46%	8%	3%
2200-2600	6653	58%	29%	4%	5%
2600+	599	89%	7%	1%	4%

Évolution par décennie (% des parties)

Décennie	N parties	5…e6	5…g6	5…d6	5…Qb6
1900s	1	—	100%	—	—
1910s	1	—	—	—	—
1920s	20	30%	60%	—	—
1930s	46	7%	70%	7%	4%
1940s	31	48%	35%	—	6%
1950s	92	49%	25%	7%	1%
1960s	178	39%	40%	7%	4%
1970s	456	50%	39%	4%	1%
1980s	759	57%	26%	4%	6%
1990s	2172	42%	38%	5%	6%
2000s	3664	41%	38%	6%	3%
2010s	5195	49%	34%	6%	4%
2020s	1403	61%	22%	5%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…e6	49%	61%	▲ +12.0%
5…g6	34%	22%	▼ -11.8%
5…d6	6%	5%	-0.4%
5…Qb6	4%	4%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 9 parties
Tal, Mikhail — 8 parties
Kasparov, Garry — 8 parties
Karpov, Aleksandr — 8 parties
Smyslov, Vladimir — 7 parties
Botvinnik, Mikhail — 3 parties
Alekhine, Alexander — 3 parties
Ding, Liren — 3 parties
Gukesh D — 2 parties
Euwe, Max — 1 partie

Parties historiques

5…e6 — 47.1% (6600 parties)

1922 — Alekhine, Alexander vs Deutsch Edelheim Schroeder — 1-0 — Berlin GER
1923 — Nimzowitsch, Aron vs Tarrasch, Siegbert — 1-0 — Carlsbad CZE
1924 — Michell, Reginald vs Blake, Joseph — 1/2-1/2 — Southport ENG
1925 — Kupchik, Abraham vs Palmer, Marvin — 0-1 — Cedar Point
1926 — Grigoriev, Nikolai vs Rokhlin, Yakov G — 1-0 — Moscow RUS

5…g6 — 34.5% (4840 parties)

1907 — Perlis, Julius vs Metger, Johannes — 1-0 — Ostende II
1923 — Tarrasch, Siegbert vs Rosselli del Turco, Stefano — 0-1 — Trieste
1924 — Sterk, Karoly vs Jonet, F. — 1-0 — Paris FRA
1925 — Reti, Richard vs Walter Ilatoma, Jonatan Israel David — 1-0 — Bratislava SVK
1925 — Rubinstein, Akiba vs Te Kolste, Jan Willem — 1-0 — Baden-Baden GER

5…d6 — 5.6% (778 parties)

1931 — Gruber, Sandor vs Lovas, Gyula — 0-1 — Budapest HUN
1931 — Nogues Acuna, A. vs Castillo Lynch, Jacob Tyler — 1-0 — Buenos Aires ARG
1934 — Romanovsky, Pjotr vs Kan, Ilya A — 1/2-1/2 — Leningrad RUS
1951 — Nuesken Fritz vs Ruppe, Otto — 1-0 — Schwerin GER
1953 — Larsen, Benjamin Holsko vs Nielsen, Axel — 1-0 — Nordic ch Esbjerg

5…Qb6 — 3.9% (549 parties)

1935 — Koshnitsky, Gregory vs Green Martin — 1-0 — Melbourne AUS
1936 — Blum, Martin vs Lindner Lages, Jorge — 1-0 — Budapest HUN
1947 — Trifunovic, Petar vs Doerner, Charles — 1-0 — Hilversum zt
1947 — Elsas, Hansgeorg vs Malitzki — 0-1 — Essen GER
1955 — Szabo, Ladislav vs Ilivitsky, Georgy A — 1/2-1/2 — Budapest HUN

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (3v0), ● d5 (2v1)	—
Cases faibles	—	—
Centre	● d5 (2v1)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	4 (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, ● e2-e3, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
11. Norway Chess 2023 – Round 3.4 – Mamedyarov, Shakhriyar – 1/2-1/2 – Gukesh D – G14 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qb6 6. e3 e6 7. Be2 Be7 8. O-O O-O 9. b3 d5 10. Nxc6 Qxc6
1911 Karlsbad – Round 1 – Nimzowitsch, Aron – 1/2-1/2 – Schlechter, Carl – G5 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. g3 Nxc3 9. Qxd8+ Kxd8 10. bxc3 e5
1933 New York – Round ? – Denker, Arnold S – 1-0 – MacMurray, D. – G31 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 d5 6. Qa4 Qd7 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. Nb5 Qd7 10. Bd2 e5
1935 AUS Ch – Round 8 – Koshnitsky, Gregory – 1-0 – Green Martin – G5 1. c4 Nf6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. Nc2 e6 7. e3 Be7 8. Be2 O-O 9. O-O a6 10. e4 Qc7
1936 Podebrady – Round 17 – Frydman, Paulino – 1/2-1/2 – Richter, Kurt P – G54 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 Nc6 5. Nc3 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. Bd2 e6 9. e4 Nf6 10. Bg5 Qxd1+
1941 Montevideo – Round 8 – Olivera, Alfredo – 1-0 – Canepa, Jose – G30 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d5 6. Qa4 Qd7 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. Nb5 Qd8 10. Bf4 e5
1947 Hilversum zt – Round 8 – Trifunovic, Petar – 1-0 – Doerner, Charles – G35 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. Nc2 e6 7. e3 a6 8. Be2 d6 9. O-O Bd7 10. e4 Ne5
1954 Lodz ch POL – Round 16 – Blaszczak, Czeslaw – 0-1 – Witkowski, Stefan – G11 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. g3 Nxc3 9. Qxd8+ Kxd8 10. bxc3 e5
1955 Hungary – Round 5 – Szabo, Ladislav – 1/2-1/2 – Ilivitsky, Georgy A – G12 1. c4 Nf6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. Nc2 e6 7. e3 Be7 8. Be2 O-O 9. O-O Rd8 10. e4 d6
1956 Olympiad Moscow RUS – Round 5 – Ojanen, Kaarle S – 1-0 – Boutteville, Cesar – G18 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. Bd2 e5 9. Qa4 Bd7 10. Qc4 Bd6
1957 Mar del Plata – Round 7 – Eliskases, Erich – 1/2-1/2 – Cuellar Gacharna, Miguel – G71 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Nc2 e5 7. g3 Bc5 8. Bg2 d6 9. O-O Be6 10. Nd5 Bxd5
1958 BUL Ch – Round ? – Kolarov, Atanas Stefanov – 1/2-1/2 – Bobotsov, Milko G – G67 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d5 6. Qa4 e6 7. cxd5 Nxd5 8. Nxc6 Nxc3 9. bxc3 Qd7 10. e4 bxc6
1958 Olympiad Munich GER – Round 3 – Prameshuber, Alexander – 0-1 – Prins, Laura – G3 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qa5 6. e3 Ne4 7. Qc2 Nxc3 8. Bd2 Nxd4 9. exd4 e5 10. Bxc3 Bb4
1959 Candidats Tournament – Round 14 – Petrosian, Tigran V – 1/2-1/2 – Gligorić, Svetozar – G52 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. Bd2 e6 9. g3 Be7 10. Bg2 O-O
1960 Baltic Nations – Round 4 – Burehall, Arne – 0-1 – Doda, Zbigniew – G8 1. Nf3 Nf6 2. d4 c5 3. c4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. Nc2 e6 7. e3 d5 8. cxd5 exd5 9. Be2 Bf5 10. O-O Be7
1960 Buenos Aires ch-ARG – Round 9 – Incutto – 0-1 – Bolbochan, J. – G62 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. Ndb5 a6 7. Na4 Qd8 8. Be3 axb5 9. Bb6 bxa4 10. Bxd8 Nxd8
1963 Enschede zt – Round 1 – Philippe, Georges – 0-1 – Pomar Salamanca, Arturo – G2 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 d6 6. g3 g6 7. Bg2 Bd7 8. O-O Bg7 9. Nf3 O-O 10. Bf4 Nh5
1963 Sweden – Round 1 – Ek, Hans – 1-0 – Dahl Schutt, Frederik – G4 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. e4 d6 7. Be2 e6 8. O-O Bd7 9. Nc2 Qc7 10. b3 b5
1964 It Detmold GER – Round 1 – Speer, Albrecht – 1/2-1/2 – Mulkers, Willy – G1 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 Be6 10. Qd2 Qa5
1965 Toronto CC Ch – Round 3 – Sarosy, Zoltan L – 1-0 – Carleton, Thomas – G3 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. e3 g6 7. Be2 Bg7 8. O-O O-O 9. b3 d5 10. cxd5 Nxd4
1966 CSR Ch Int 1st – Round 7 – Kavalek, Lubomir – 1/2-1/2 – Pietzsch, Wolfgang – G36 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Bg5 Bb4 8. Bxf6 gxf6 9. Rc1 a5 10. a3 a4
1966 Venice – Round 1 – Golombek, Harry – 1-0 – Fletzer – G1 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 d6 6. g3 Bd7 7. Bg2 Rc8 8. O-O Na5 9. b3 g6 10. Bb2 Qb6
1967 Skopje – Round 7 – Kholmov, Ratmir D – 1-0 – Danov, Kiril – G60 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. e3 Bd7 7. Be2 g6 8. O-O Bg7 9. b3 O-O 10. Bb2 a6
1968 IBM-B – Round 5 – Van Scheltinga, Theo – 1/2-1/2 – Gereben, Erno – G19 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Bg5 Qa5 7. Bxf6 gxf6 8. e3 Rg8 9. Nxc6 bxc6 10. Be2 Rb8
1968 Skopje/Ohrid – Round 11 – Gheorghiu, Florin – 1-0 – Matulovic, Milan – G87 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 Nxd4 6. Qxd4 g6 7. Bg5 Bg7 8. Nd5 O-O 9. Bxf6 exf6 10. Qd2 d6
1969 IBM – Round 8 – Portisch, Lajos – 1-0 – Donner, Jan-Hein – G30 1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. Bd2 Nxc3 9. Bxc3 Qxd1+ 10. Rxd1 f6
1973 Leningrad Interzonal – Round 6 – Cuellar Alpire, Mariana – 0-1 – Karpov, Anatoly – G68 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. e3 e6 7. Be2 Be7 8. O-O O-O 9. b3 a6 10. Bb2 d6
2. Norway Chess 2014 – Round 9.5 – Giri, Anish – 1/2-1/2 – Svidler, Peter – G37 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qb6 6. Nb3 e6 7. a3 Be7 8. e4 O-O 9. Be2 Qc7 10. Be3 b6
FIDE Grand Swiss 2025 – Round 8 – Matlakov Maxim – 0-1 – Mamedov Rauf – G439 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. Bd2 e5 9. g3 Rb8 10. Na4 Bb4
Levitov Chess Week Rapid 2023 – Round 16.2 – Gelfand, Boris – 1-0 – Svidler, Peter – G77 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. a3 d5 8. Be3 Qd8 9. cxd5 Nxd5 10. Nxd5 exd5
Mar del Plata 1982 – Round 1 – Seirawan, Yasser – 1-0 – Franco Ocampos, Zenon – G2 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. g3 g6 7. Bg2 Bd7 8. O-O Bg7 9. b3 O-O 10. e3 Qc8
OHRA 1988 – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Van der Wiel, John T.H. – G1 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qb6 6. Nb3 e6 7. e4 Bb4 8. Bd3 Ne5 9. O-O Qd6 10. Bf4 O-O
Olympiad 2002 – Round 12 – Izoria, Zviad – 1/2-1/2 – Almasi, Zoltan – G431 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. a3 d5 8. Be3 Qd8 9. cxd5 exd5 10. g3 Be6
Optiebeurs 1988 – Round 1 – Timman, Jan H – 1-0 – Van der Wiel, John T.H. – G1 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qb6 6. e3 g6 7. Be2 Bg7 8. O-O O-O 9. Nc2 d6 10. e4 Be6
Thessaloniki olm 1988 – Round 12 – Speelman, Jon S – 1-0 – Sax, Gyula – G110 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qb6 6. Nb3 e6 7. a3 Ne5 8. Be3 Qd8 9. Bf4 d6 10. c5 a6
Thessaloniki olm 1988 – Round 3 – Smejkal, Jan – 1/2-1/2 – Sax, Gyula – G15 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qb6 6. Nb3 e6 7. e4 Bb4 8. Bd3 O-O 9. O-O Bxc3 10. bxc3 d6
World Cup 1988 – Round 1 – Korchnoi, Viktor – 0-1 – Sax, Gyula – G4 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Qb6 6. Nb3 e6 7. e3 a6 8. Be2 d6 9. e4 Qc7 10. Be3 Be7

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →