B29g — Sicilian: Nimzowitsch, 4.c4

1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.c4 *   ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

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bNknight en prise !
wPPion central
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Plans. d4 (Occuper le centre — 58 % des parties) ; Nc3 (Développer b1 — 21 % des parties) ; b3 (Préparer le fianchetto — 8 % des parties) ; a3 (Préparer expansion aile dame — 5 % des parties).

♚ Point de vue Noirs

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wR
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Case forte (2v0)
wP
bNknight en prise !
bP
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Plans. ...Nc7 (72 % des parties) ; ...Nb6 (18 % des parties) ; ...Nb4 (9 % des parties).
Avantages
Faiblesses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● b4 (2v0)
Cases faibles
Centre ● d5 (1v0), ● e5 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bf1 ● Bf1 Non développé (mob. 2)
Bc8 ● Bc8 Non développé (mob. 0)
Bf8 ● Bf8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Non développées 5 (● b1, ● 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 ● d2-d4, ● e5-e6 ● …d7-d6, ● …f7-f6
Partie
1920 Gothenburg – Round 9 – Spielmann, Rudolf – 0-1 – Rubinstein, Akiba – G52
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 d5 8. exd6 Qxd6 9. Nc3 e5 10. Bf4 f6
1921 Hastings 2122 Premier 2nd – Round 7 – O'Hanlon, John James – 0-1 – Kostic, Boris – G12
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 d5 8. exd6 Qxd6 9. Nc3 Qg6 10. Qxg6 hxg6
1929 Scarborough – Round 5 – Jackson, John Marvin – 0-1 – Tartakower, Savielly – G7
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Nxd4 Nc6 7. Bf4 g6 8. Nc3 Bg7 9. Nxc6 bxc6 10. Qd2 Ne6
1934 Mar del Plata – Round 4 – Villegas, Benito – 0-1 – Illetsko, Jaroslav – G25
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Qxd4 Nc6 7. Qc3 e6 8. a3 Be7 9. Nbd2 f5 10. b4 b6
1935 Copenhagen – Round 1 – Cruusberg, Axel – 1-0 – Enevoldsen, Jens – G18
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nb4 5. d4 cxd4 6. Nxd4 Qa5 7. Nc3 Qxe5+ 8. Be3 N8c6 9. Nf3 Qb8 10. a3 Na6
1939 Argentina – Round 13 – Grau, Roberto G – 1-0 – Guimard, Jean Louis – G12
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nb4 5. Nc3 d6 6. a3 N4c6 7. exd6 e5 8. b4 Bxd6 9. b5 Nd4 10. Be2 O-O
1955 Prague tm Prague CZE – Round 4 – Dworzynski, Roman – 1/2-1/2 – Rejfir, Josef – G29
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Nxd4 Nc6 7. Nxc6 bxc6 8. Be2 Ne6 9. O-O Qb6 10. Kh1 Qd4
1956 Montevideo – Round 1 – Rossetto, Hector – 1/2-1/2 – Ader Hausman, Walter – G33
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 g6 8. Be2 Bg7 9. O-O b6 10. Nc3 Bb7
1957 Dublin zt – Round 2 – Walther, Edgar – 1-0 – Dunkelblum, Arthur – G13
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Qxd4 Nc6 7. Qd1 Ne6 8. Nc3 Qc7 9. Nd5 Qb8 10. Qe2 g6
1957 Poland – Round 11 – Tarnowski, Alfred – 1-0 – Szpakowski, M. – G18
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Nxd4 Nc6 7. Nxc6 bxc6 8. g3 Ne6 9. f4 g6 10. Nc3 Bg7
1958 Corr Golden Knights – Round ? – Young, James – 0-1 – Zalys, Ignas – G3
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Nxd4 d5 7. Nc3 e6 8. Be3 a6 9. f4 Nc6 10. Nf3 Be7
1959 Argentina – Round 10 – Piazzini, Luis – 0-1 – Saadi, Julio – G51
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Qxd4 Nc6 7. Qc3 b6 8. Be2 Bb7 9. O-O Ne6 10. h4 g6
1959 Reggio Emilia ITA – Round 4 – Trampuz Cveto – 1-0 – Seitz, Jakob Adolf – G8
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Nxd4 Nc6 7. Nxc6 dxc6 8. Bd3 Ne6 9. O-O Nc5 10. Bc2 Qxd1
1960 Leipzig olm fin-C – Round 4 – Momo, Suren – 1/2-1/2 – Noradounghian, Georges – G18
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. Nc3 Nc6 6. Ne4 Ne6 7. b3 g6 8. Bb2 Bg7 9. Rb1 Qc7 10. Qe2 O-O
1961 Katowice ch18-POL – Round 8 – Kostro, Jerzy – 1-0 – Adamski, Andrzej – G52
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 d5 8. exd6 Qxd6 9. Nc3 Qg6 10. Qxg6 hxg6
1961 Third C.F.N.C. Experts Tournament – Round 8 – Osbun, Erik – 1-0 – Hoppe, Roy – G8
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Qxd4 Nc6 7. Qe4 d5 8. exd6 Qxd6 9. Bf4 Qe6 10. Nc3 Qxe4+
1967 Sarajevo – Round 11 – Dan Nikolic, Slobodan – 1-0 – Kozomara, Vlado – G60
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Nxd4 Nc6 7. Nxc6 dxc6 8. Qxd8+ Kxd8 9. Nc3 g6 10. Be2 Bg7
World Blitz 2015 – Round 6.59 – Sanal, Vahap – 1/2-1/2 – Rakhmanov, Aleksandr – G385
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Qxd4 Nc6 7. Qe3 d6 8. exd6 Qxd6 9. Be2 e6 10. O-O Qc5

B29g — Nimzowitsch (1920)
1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.c4
Les coups candidats
4…Nc7 — 71.7% (297 parties)
Ambassadeurs : Sarosy, Zoltan L (5x), Blackstone, John (2x), Rossetto, Hector (2x), Inkiov, Ventzislav (2x), Baranski, Maciej (2x), Policar, Martin (2x), Blagojevic, Katarina (1x), Stadler, Tereza (1x)
4…Nb6 — 18.4% (76 parties)
Ambassadeurs : Wall, Bill (2x), Falconer, Neil E (1x), Georg, Heinz (1x), Wall, Alejandro (1x), Lovegren (1x), Lovegren, Bob (1x), Bloem, Carlo (1x), Schenning, Albert (1x)
4…Nb4 — 8.7% (36 parties)
Ambassadeurs : Szurovszky, Elek (2x), Platz, Joseph (1x), Olmsted, L. (1x), Andersen, Henrik (1x), Larsen, Bent Ravn (1x), Keeshan, Michael (1x), Egan, Colm (1x), Csanadi, Lajos (1x)
4…Nf4 — 0.7% (3 parties)
Ambassadeurs : Bakos, Laszlo (1x), Bakos, Lili (1x), Jales, Luiz Fabio Alves (1x), Da Silva, Antonio Dutra (1x), Lopes Junior, Ubiratan Dos Santos (1x), Massoud , Rodrigo Ormanes (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Nc7 4…Nb6 4…Nb4 4…Nf4
<1800 42 62% 19% 14% 2%
1800-2200 200 70% 19% 10% 0%
2200-2600 84 89% 5% 6%
Évolution par décennie (% des parties)
Décennie N parties 4…Nc7 4…Nb6 4…Nb4 4…Nf4
1950s 10 100%
1960s 17 82% 6% 12%
1970s 10 80% 10% 10%
1980s 16 62% 31% 6%
1990s 56 64% 27% 7%
2000s 116 65% 22% 12% 1%
2010s 127 75% 17% 6% 2%
2020s 62 79% 11% 10%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Nc7 75% 79% ▲ +4.2%
4…Nb6 17% 11% ▼ -5.2%
4…Nb4 6% 10% ▲ +3.4%
4…Nf4 2% 0% ▼ -1.6%
Parties historiques
4…Nc7 — 71.7% (297 parties)
1951 — Agon, Hubert vs Sarosy, Zoltan L — 0-1 — Toronto CAN
1954 — Orlando, Roy vs Sarosy, Zoltan L — 1-0 — Toronto CAN
1955 — Dworzynski, Roman vs Rejfir, Josef — 1/2-1/2 — Prague tm Prague CZE
1956 — Rossetto, Hector vs Ader Hausman, Walter — 1/2-1/2 — Montevideo URU
1957 — Walther, Edgar vs Dunkelblum, Arthur — 1-0 — Dublin zt
4…Nb6 — 18.4% (76 parties)
1961 — Falconer, Neil E vs Georg, Heinz — 1-0 — San Francisco, CA USA
1970 — Zotos, Loukas vs Nykopp, Mikael — 0-1 — Haifa ISR
1980 — Hayes, Dan vs Wall, Bill — 0-1 — ?
1981 — Wall, Alejandro vs Lovegren — 1-0 — Dayton, OH USA
1981 — Wall, Bill vs Lovegren, Bob — 1-0 — ?
4…Nb4 — 8.7% (36 parties)
1960 — Andersen, Henrik vs Larsen, Bent Ravn — 1-0 — Copenhagen DEN
1963 — Platz, Joseph vs Olmsted, L. — 1-0 — Hartford
1972 — Keeshan, Michael vs Egan, Colm — 1-0 — Dublin IRL
1981 — Szurovszky, Elek vs Csanadi, Lajos — 1/2-1/2 — Budapest HUN
1992 — Manuel A. Mateus vs Pineau, Jacques — 0-1 — Manila olm
4…Nf4 — 0.7% (3 parties)
2002 — Bakos, Laszlo vs Bakos, Lili — 1/2-1/2 — Gyongyos
2014 — Jales, Luiz Fabio Alves vs Da Silva, Antonio Dutra — 1/2-1/2 — Joao Pessoa
2015 — Lopes Junior, Ubiratan Dos Santos vs Massoud , Rodrigo Ormanes — 1-0 — Belem BRA

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