B53k — Sicilian, Chekhover, 4…Nf6 5.Nc3

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nf6 5.Nc3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Bb5 (Fou actif (mobilité 9), Développer f1 — 46 % des parties) ; Bg5 (Fou actif (mobilité 7), Développer c1 — 18 % des parties) ; Qd3 (Centraliser la dame, Prépare O-O-O — 8 % des parties) ; e5 (Occuper le centre — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Nc6 (Menace d4, Développer b8 — 58 % des parties) ; ...a6 (Préparer expansion aile dame — 25 % des parties) ; ...Bd7 (Fou actif (mobilité 8), Développer c8 — 8 % des parties) ; ...e5 (Occuper le centre — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● e7→d6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c4 (2v0), ● b5 (2v0), ● d5 (3v1), ● g5 (2v0)	● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (1v0), ● d5 (3v1), ● e4 (2v1), ● e5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
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	mobile
Ruptures	● e4-e5	● …d6-d5

Partie
1955 Novi Sad – Round 12 – Trajkovic, Mihajlo – 1-0 – Janosevic, Dragoljub – G95 1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Qxd4 a6 6. Nd5 Nc6 7. Nxf6+ gxf6 8. Qe3 d5 9. exd5 Qxd5 10. c4 Qd6
1956 Mar del Plata – Round 1 – Maderna, Carlos – 1/2-1/2 – Shocron, Ruben – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 a6 6. Bg5 Nc6 7. Qd2 e6 8. a3 Be7 9. Bd3 h6 10. Bf4 e5
1957 URS Ch, semi final – Round 6 – Chistiakov, Alexander – 1/2-1/2 – Vasiukov, Evgeni – G55 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 Bd7 6. Bg5 Nc6 7. Qd2 a6 8. Be2 e6 9. O-O h6 10. Bxf6 Qxf6
2024 Superbet Chess Blitz – Round 10 – Praggnanandhaa R – 1/2-1/2 – Duda Jan-Krzysztof – G48 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 a6 6. Nd5 Nbd7 7. Bg5 e6 8. Nxf6+ Nxf6 9. O-O-O Be7 10. e5 dxe5
2026 Tata Steel India Rapid - Round 5.2 - Aravindh, Chithambaram VR. - 0-1 - So, Wesley - G22 1. e4 1... c5 2. Nf3 2... d6 3. d4 3... cxd4 4. Qxd4 4... Nf6 5. Nc3 5... Nc6 6. Bb5 6... Nd7 7. Bxc6 7... bxc6 8. e5 8... Qb6 9. exd6 9... exd6 10. Bf4 10... Qxd4
30. ECC Open 2014 – Round 1.2 – Glek, Igor – 0-1 – Vachier-Lagrave, Maxime – G8 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Bd7 6. Be3 Nc6 7. Qd2 h6 8. h3 e6 9. O-O-O a6 10. g4 b5
5. Norway Chess 2017 – Round 5.5 – Kramnik, Vladimir – 1/2-1/2 – Nakamura, Hikaru – G25 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 a6 6. e5 Nc6 7. Qa4 dxe5 8. Nxe5 Bd7 9. Nxd7 Qxd7 10. Bd2 g6
85. Tata Steel Masters 2023 – Round 6.6 – Rapport, Richard – 1/2-1/2 – Maghsoodloo, Parham – G41 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qd3 g6 7. Nd5 Bg7 8. c3 O-O 9. Bg5 Be6 10. Be2 Qa5
American Cup Blitz 2022 – Round 6.6 – Xiong, Jeffery – 1-0 – Kevlishvili, Robby – G35 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 Nc6 6. Qd3 g6 7. Nd5 Bg7 8. c3 O-O 9. Bg5 Nxd5 10. exd5 Ne5
FIDE Grand Swiss 2025 – Round 10 – Chigaev Maksim – 0-1 – Narayanan, Sunilduth Lyna – G557 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 e5 6. Qa4+ Nc6 7. Bg5 Bd7 8. Bxf6 Qxf6 9. Nd5 Qd8 10. O-O-O a6
FIDE World Cup 2025 – Round R2 Blitz 2 – Svane – 1-0 – Rauf Mamedov – G434 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bh4 d6 7. c3 a6 8. O-O Ba7 9. Nbd2 O-O 10. a4 Be6
Saint Louis Blitz 2022 – Round 12.2 – Xiong, Jeffery – 1/2-1/2 – Shankland, Sam – G57 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 Nc6 6. Qd3 Bd7 7. Nd5 e6 8. Nxf6+ Qxf6 9. c3 Qg6 10. Bf4 e5
Saint Louis Blitz 2022 – Round 6.4 – Xiong, Jeffery – 1-0 – Dominguez Perez, Leinier – G29 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 Nc6 6. Qd3 g6 7. Nd5 Bg7 8. c3 O-O 9. Bg5 Nxd5 10. exd5 Ne5
Superbet Blitz 2022 – Round 18.5 – Gavrilescu, David – 0-1 – Korobov, Anton – G90 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qe3 g6 7. Be2 Bg7 8. O-O O-O 9. h3 Nd7 10. Rd1 a6
World Blitz 2017 – Round 14.27 – Movsesian, Sergei – 0-1 – Mchedlishvili, Mikheil – G729 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 a6 6. e5 Nc6 7. Qa4 dxe5 8. Nxe5 Bd7 9. Nxd7 Qxd7 10. Bd2 e6
World Blitz 2021 – Round 12.42 – Wojtaszek, Radoslaw – 0-1 – Gareyev, Timur – G724 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qe3 g6 7. h3 Bg7 8. Bc4 O-O 9. O-O Nd7 10. Rd1 b6
World Blitz 2021 – Round 18.65 – Demchenko, Aleksandr – 0-1 – Szpar, Milosz – G1084 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Bd7 6. h3 Nc6 7. Qe3 g6 8. Bc4 Bg7 9. O-O O-O 10. Rd1 Rc8
World Rapid 2021 – Round 9.38 – Demchenko, Aleksandr – 1-0 – Yuffa, Daniil – G533 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qe3 g6 7. h3 Bg7 8. Bc4 O-O 9. O-O a6 10. a4 Qc7

B53k — Sicilian, Chekhover (1955)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nf6 5.Nc3

Les coups candidats

5…Nc6 — 58.4% (1275 parties)

Ambassadeurs : Hauser, Siegfried (23x), Movsesian, Sergei (19x), Balogh, Csaba (13x), Rodríguez Pérez, René (11x), Rodriguez Perez, Rene (11x), Zelcic, Robert (9x), Hovhannisyan, Razmik (9x), Naiditsch, Arkadij (8x)

5…a6 — 25.4% (555 parties)

Ambassadeurs : Movsesian, Sergei (8x), Cichy, Kamil (6x), Tate, Alan (6x), Kacharava, Nikolozi (6x), Filipovic, Branko (4x), Olszewski, Marek (4x), Paichadze, Luka (4x), Ribeiro, Fernando (3x)

5…Bd7 — 8.0% (175 parties)

Ambassadeurs : Riepe, Bernhard (3x), Vasiukov, Evgeni (3x), Zakhartsov, Vladimir (3x), Baltag, Iulian (2x), Peter, Ambrus (2x), Cawdery, Daniel (2x), Van Kampen, Robin (2x), Ratkovic, Milovan (2x)

5…e5 — 5.5% (120 parties)

Ambassadeurs : Moreno Tejera, Emilio (3x), Provkin, Vladimir (3x), Bischoff, Klaus (2x), Rogers, Ian (2x), Biarge Carnicer, Arturo (2x), Cortes Bueno, Jesus Javier (2x), Bellosta Lopez, Pablo (2x), Ognerubova, Anastasia (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Nc6	5…a6	5…Bd7	5…e5
<1800	123	71%	15%	3%	4%
1800-2200	746	57%	25%	8%	7%
2200-2600	1055	57%	28%	9%	5%
2600+	100	73%	22%	2%	2%

Évolution par décennie (% des parties)

Décennie	N parties	5…Nc6	5…a6	5…Bd7	5…e5
1950s	4	25%	50%	25%	—
1960s	8	75%	12%	—	—
1970s	13	46%	38%	15%	—
1980s	54	37%	50%	6%	6%
1990s	222	52%	30%	11%	2%
2000s	488	45%	33%	10%	8%
2010s	730	56%	27%	9%	6%
2020s	665	75%	14%	4%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Nc6	56%	75%	▲ +19.1%
5…a6	27%	14%	▼ -12.7%
5…Bd7	9%	4%	▼ -5.3%
5…e5	6%	5%	▼ -0.6%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 4 parties
Botvinnik, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Kramnik, Vladimir — 1 partie
Ding, Liren — 1 partie

Parties historiques

5…Nc6 — 58.4% (1275 parties)

1956 — Olafsson, Fridrik vs Larsen, Bent Ravn — 1/2-1/2 — Oslo NOR
1961 — Hradetzky, Horst vs Enriquez R., Erick J. Lizardi — 1/2-1/2 — corr Spain-BRD
1964 — Leuza Garcia, Jose vs Pomar Salamanca, Arturo — 1/2-1/2 — Las Palmas ESP
1967 — Lutikov, Anatoly S vs Ciric, Dragoljub M — 1/2-1/2 — Beverwijk NED
1967 — Ciric, Dimitrije vs Ghitescu, Theodor — 1/2-1/2 — Amsterdam NED

5…a6 — 25.4% (555 parties)

1955 — Talevski, Mihajlo vs Janosevic, Dragoljub — 1-0 — Novi Sad SRB
1956 — Maderna, Carlos vs Shocron, Ruben — 1/2-1/2 — Mar del Plata ARG
1968 — Umansky, Mikhail vs Ribli, Zoltan — 0-1 — URS
1971 — Hecht, Hans-Joachim vs ? — 1/2-1/2 — Amsterdam NED
1973 — Schweber, Samuel vs Palermo, Vicente — 1/2-1/2 — Buenos Aires ARG

5…Bd7 — 8.0% (175 parties)

1957 — Chistiakov, Alexander vs Vasiukov, Evgeni — 1/2-1/2 — Kiev UKR
1970 — Ljubojevic, Ljubomir vs Barle, Janez — 1/2-1/2 — Porec CRO
1977 — Krnic, Zdenko vs ? — 0-1 — Yugoslavia tt
1981 — Nikolenko, Oleg vs Pimenov, Aleksandr — 1-0 — Moscow RUS
1984 — Lein, Andreas vs Hansen, Curt — 1/2-1/2 — Copenhagen DEN

5…e5 — 5.5% (120 parties)

1983 — Nevednichy, Boris M vs Mikhalchishin, Adrian — 1/2-1/2 — Tournament
1983 — Kremer, Mark vs Breedveld, Andre — 1/2-1/2 — Dieren NED
1989 — Roeder, Hans-Martin vs Siepelt, Heiner — 1-0 — GER
1997 — Holzhaeuer, Mathias vs Bischoff, Klaus — 1/2-1/2 — Gladenbach ch-GER
1998 — Szymanowska, Karolina vs Motor, Marta — 1/2-1/2 — Trzebinia

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