A13r — English: Neo-Catalan

1.c4 e6 2.Nf3 d5 3.g3 Nf6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Atouts. Les Blancs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; e4 (Centre d4+e4, menace e5, libère Bf1) ; Nc3 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Atouts. Les Noirs s'appuient sur la case forte e4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1, le roi resté au centre et une pièce en prise (le pion en c4).

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et 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

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

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. 1)
Bf8		● Bf8 Non développé (mob. 5)
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	semi-ouvert
Ruptures	● c4-c5, ● d2-d3, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d5-d4, ● …e6-e5

Partie
1924 Moskou ch-URS – Round 14 – Levenfish, Grigory – 0-1 – Bogoljubow, Efim – G40 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Be7 5. Bb2 O-O 6. Bg2 a5 7. O-O a4 8. d3 c6 9. Nbd2 Na6 10. d4 a3
1925 Baden-Baden – Round 16 – Rabinovich, Ilya Mar – 1/2-1/2 – Treybal, Karel – G149 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 d4 5. e3 Nc6 6. exd4 Nxd4 7. Bb2 Bc5 8. Bg2 Nxf3+ 9. Qxf3 Bd4 10. Bxd4 Qxd4
1925 Moscow – Round 1 – Capablanca, Jose – 1-0 – Marshall Viele, Fabrizio Aaron – G141 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. Bg2 Nc6 6. O-O Be7 7. d3 O-O 8. Bb2 d4 9. e4 dxe3 10. fxe3 Ng4
1926 Budapest HUN – Round ? – Master Walter Aira – 1-0 – Hoenlinger, Baldur – G15 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. b3 Nbd7 5. Bg2 c6 6. Bb2 Bd6 7. d4 Qa5+ 8. Nbd2 Ba3 9. Qc1 Bxb2 10. Qxb2 O-O
1926 Ghent – Round 1 – Tartakower, Savielly – 1-0 – Yanofsky, Daniel Abraham – G7 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. Bg2 Nc6 6. O-O d4 7. d3 Bd6 8. e4 e5 9. Ne1 Bg4 10. f3 Bd7
1926 WECU Major Open 3rd – Round 3 – Colle, Edgar – 1-0 – Price, Hubert E – G5 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. b3 Be7 5. Bb2 O-O 6. Bg2 c5 7. cxd5 exd5 8. O-O Nc6 9. d4 Be6 10. Nc3 Rc8
1927 Kecskemet I – Round 4 – Takacs, Sandor – 0-1 – Alekhine, Alexander – G16 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Qc2 c5 5. d4 cxd4 6. Nxd4 e5 7. Nf3 Nc6 8. cxd5 Nxd5 9. a3 Be6 10. Bd2 Be7
1927 Trebitsch Memorial 11th – Round 3 – Takacs, Sandor – 1-0 – Gruenfeld, Ernst – G4 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Qc2 Nbd7 5. d3 Be7 6. Bg2 O-O 7. O-O c5 8. e4 dxe4 9. dxe4 e5 10. Nc3 Qc7
1928 The Hague ol (Men) – Round 15 – Lokvenc, Josef – 1-0 – Henneberger, Walter – G92 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. b3 c5 5. Bg2 Nc6 6. O-O Be7 7. cxd5 Nxd5 8. Bb2 O-O 9. Nc3 Bf6 10. Qc1 Nd4
1928 The Hague ol (Men) – Round 5 – Lokvenc, Josef – 1-0 – Stoltz, Gosta – G36 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Bd6 5. Bb2 Nbd7 6. Bg2 c6 7. O-O O-O 8. d4 Re8 9. Nbd2 e5 10. cxd5 cxd5
1928 Vienna – Round 1 – Muller, Hans P – 1-0 – Glass, Eduard – G3 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. b3 c5 5. Bg2 Nc6 6. O-O Be7 7. d3 O-O 8. Nc3 b6 9. Bb2 Bb7 10. Qd2 Rb8
1929 NED-ch07 – Round 4 – Euwe, Max – 1-0 – Davidson, Jacques – G11 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. cxd5 exd5 6. d4 Nc6 7. Bg2 cxd4 8. O-O Bc5 9. Bb2 Qb6 10. Na3 Ne4
1929 Rogaska Slatina - Round 10 - Takacs, Sandor - 1/2-1/2 - Hoenlinger, Baldur - G33 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. b3 c5 5. Bg2 Be7 6. Bb2 Nc6 7. cxd5 Nxd5 1/2-1/2
1930 Hamburg olm – Round 1 – Lokvenc, Josef – 1-0 – Ruben, Carl – G57 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Be7 5. Bg2 c5 6. cxd5 exd5 7. d4 cxd4 8. O-O Nc6 9. Bb2 O-O 10. Nxd4 Nxd4
1934 Leningrad ch-URS – Round 1 – Yudovich, Mikhail M – 1/2-1/2 – Dubinin, Peter – G7 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. b3 c5 5. Bb2 Nc6 6. Bg2 d4 7. O-O Be7 8. d3 O-O 9. Na3 e5 10. Nc2 Bd6
1935 Copenhagen – Round 1 – Enevoldsen, Harald – 1-0 – Lund Laurent – G25 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. b3 c6 5. Bb2 Nbd7 6. Bg2 Bd6 7. d4 O-O 8. O-O c5 9. e3 b6 10. Nc3 Bb7
1935 Vienna – Round 11 – Fuss, Alex – 1/2-1/2 – Gruenfeld, Ernst – G53 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. b3 Be7 5. Bg2 c5 6. O-O d4 7. d3 Nc6 8. Nbd2 e5 9. Ne4 O-O 10. Nxf6+ Bxf6
1946 Bad Harzburg – Round 1 – Heinicke, Herbert – 1/2-1/2 – Moehler, Garry – G3 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. b3 Bd6 5. Bb2 Qe7 6. Bg2 O-O 7. O-O Nbd7 8. d4 c6 9. Ne5 Rd8 10. Qc1 Nf8
1947 Chigorin Memorial – Round 1 – Plater, Kazimierz – 1/2-1/2 – Pachman, Ludek – G74 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Be7 5. Bb2 O-O 6. Bg2 Nbd7 7. O-O c6 8. Qc2 b6 9. Nd4 Bb7 10. cxd5 cxd5
1948 Santa Fe – Round 1 – Rossetto, Hector – 0-1 – Rivarola, Joao – G13 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Be7 5. Bb2 O-O 6. Bg2 Nbd7 7. O-O b6 8. cxd5 exd5 9. Nd4 Bb7 10. Nf5 Re8
1950 Corr – Round 1 – Walther, Edgar – 1/2-1/2 – Albrecht, Akos – G4 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. e3 dxc4 5. Qa4+ Bd7 6. Qxc4 Nc6 7. Bg2 Be7 8. d4 O-O 9. O-O a6 10. Bd2 Nd5
1950 Moskou ch-URS – Round 1 – Konstantinopolsky, Alexander – 1-0 – Lipnitsky, Isaac – G115 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. Bg2 d4 6. O-O Nc6 7. e3 e5 8. exd4 exd4 9. a3 a5 10. d3 Be7
1954 Hollywood Open – Round 1 – Koelsche, G. – 0-1 – Almgren, Sven – G16 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. b3 Be7 5. Bg2 O-O 6. Bb2 Nbd7 7. O-O b6 8. d3 Bb7 9. Nbd2 c5 10. e3 Qc7
1954 Olympiad final B – Round 1 – Lorson, Gerhard – 1/2-1/2 – Raizman, Maurice – G1 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. b3 Be7 5. Bb2 Nbd7 6. Bg2 O-O 7. O-O b6 8. cxd5 Nxd5 9. e4 Nb4 10. d4 Ba6
1955 Erfurt – Round 10 – Franz, Joachim – 0-1 – Troianescu, Octav – G65 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Be7 5. Bb2 O-O 6. Bg2 Nbd7 7. O-O c6 8. d3 Bd6 9. Nc3 Qe7 10. a3 b6
1960 Balatonfured – Round 8 – Lilienthal, Andor – 1/2-1/2 – Damjanovic, Mato – G20 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. b3 Be7 5. Bb2 O-O 6. Bg2 c6 7. O-O b6 8. Qc2 Nbd7 9. cxd5 cxd5 10. Na3 Bb7
1965 FRG Ch – Round 10 – Huebner, Robert – 1/2-1/2 – Pfleger, Helmut, Dr. – G28 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. cxd5 exd5 6. Bg2 Nc6 7. O-O Be7 8. d4 O-O 9. Bb2 Bg4 10. Nbd2 Rc8
1966 Oberhausen ol women – Round 7 – Kattinger, Ingeborg – 1/2-1/2 – Rinder, Elfriede – G37 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. b3 c5 5. cxd5 exd5 6. Bg2 Nc6 7. O-O Be7 8. Bb2 O-O 9. d3 Be6 10. h3 Rc8
1968 Cardenas/Matanzas/Santa Clara – Round 1 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Rossetto, Hector – G1 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. b3 Be7 5. Bb2 O-O 6. Bg2 c6 7. O-O Nbd7 8. d3 a5 9. Nc3 Nc5 10. d4 Nce4
1968 IBM-B – Round 1 – Van Oosterom, Hennie – 1/2-1/2 – Van Scheltinga, Theo – G1 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. cxd5 exd5 5. Bg2 Be7 6. O-O O-O 7. d4 c6 8. Bf4 Bf5 9. Ne5 Qb6 10. b3 Ne4
1969 Glasgow Congress Invitation – Round 2 – Golombek, Harry – 1/2-1/2 – Pritchard, David Brine – G8 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. cxd5 exd5 5. Bg2 Be7 6. O-O O-O 7. d4 Ne4 8. Nc3 Nxc3 9. bxc3 c6 10. Qb3 Nd7
4. FIDE GP 2009 – Round 7 – Gelfand, Boris – 0-1 – Eljanov, Pavel – G33 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. Bg2 Nc6 6. cxd5 exd5 7. O-O Bg4 8. h3 Bxf3 9. Bxf3 Bd6 10. Nc3 Be5
Bugojno 1984 – Round 1 – Larsen, Bent – 0-1 – Spassky, Boris V. – G57 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. Bg2 Nc6 6. O-O Be7 7. cxd5 exd5 8. d4 O-O 9. Bb2 Re8 10. Nc3 Bg4
Lugano Open 1982 – Round 1 – Raicevic, Vladimir – 0-1 – Korchnoi, Viktor – G2 1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. b3 d4 5. Bg2 c5 6. d3 Nc6 7. e3 dxe3 8. fxe3 g6 9. O-O Bg7 10. Bb2 O-O
Moskou ch-URS 1988 – Round 1 – Beliavsky, Alexander G – 0-1 – Salov, Valery – G70 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 a5 5. Bg2 a4 6. Na3 Be7 7. O-O O-O 8. Bb2 c6 9. d3 Qa5 10. Nc2 Na6
Niksic 1983 – Round 3 – Larsen, Bent – 1/2-1/2 – Tal, Mikhail – G29 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. Bg2 Nc6 6. cxd5 exd5 7. O-O d4 8. e3 Be7 9. Na3 O-O 10. Bb2 Bg4
Superbet Blitz 2022 – Round 15.1 – Duda, Jacob – 1/2-1/2 – Aronian, Levon – G71 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. b3 d4 5. Bg2 Nc6 6. O-O a5 7. e3 e5 8. d3 Bc5 9. Ba3 Qd6 10. Bxc5 Qxc5
World Blitz 2009 – Round 17 – Svidler, Peter – 1-0 – Bareev, Evgeny – G166 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. b3 d4 5. Bg2 c5 6. O-O Nc6 7. e3 e5 8. exd4 exd4 9. d3 Be7 10. Re1 O-O
World Blitz 2021 – Round 15.59 – Ponkratov, Pavel – 1-0 – Thybo, Jesper Sondergaard – G909 1. g3 d5 2. Nf3 Nf6 3. c4 e6 4. cxd5 exd5 5. Bg2 Bd6 6. O-O O-O 7. Nc3 c6 8. d3 Re8 9. e4 Nbd7 10. Qc2 Ne5
World Blitz 2023 – Round 3.47 – Ponkratov, Pavel – 1/2-1/2 – Omonov, Asrorjon – G176 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. cxd5 exd5 5. Bg2 c6 6. O-O Bf5 7. d3 Be7 8. Nh4 Be6 9. Qc2 O-O 10. e4 Nbd7

A13r — Neo-Catalan

1.c4 e6 2.Nf3 d5 3.g3 Nf6

Eval: [+0.35]

Les coups candidats

4.Bg2 — 73.4% (25823 parties) →

Ambassadeurs : Adamski, Jan (61x), Pérez López, Alberto (46x), Vadasz, Laszlo (39x), Szekely, Panna Szandra (39x), Sunye Neto, Jaime (39x), Panno, Oscar (37x), Plachetka, Jan (36x), Vaganian, Rafael A (34x)

4.d4 — 14.7% (5157 parties) →

Ambassadeurs : Konopka, Michal (48x), Andersson, Ulf (46x), Wojtkiewicz, Aleksander (44x), Krivonosov, Oleg (38x), Buhmann, Rainer (35x), Ftacnik, Lubomir (31x), Alfaro de Hombre, José Manuel (29x), Tratar, Marko (28x)

4.b3 — 10.3% (3639 parties)

Ambassadeurs : McNab, Colin A (48x), Espig, Lutz (36x), Contin, Daniel (26x), Damljanovic, Branko (23x), Szmetan, Jorge (21x), Inkiov, Ventzislav (17x), Sarno, Spartaco (15x), Pribyl, Josef (15x)

4.cxd5 — 1.4% (480 parties)

Ambassadeurs : Owens, Johnny (7x), Coope, Derek William (5x), Lewyk, Ihor (4x), Durmaz, Ayca Fatma (3x), Vollmer, Steve (3x), Ponkratov, Pavel (3x), Borisova, Ekaterina (3x), Fahnenschmidt, Willi, Dr. (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.Bg2	4.d4	4.b3	4.cxd5
<1800	632	73%	11%	9%	6%
1800-2200	9824	75%	13%	10%	2%
2200-2600	19796	72%	17%	11%	0%
2600+	1003	72%	20%	7%	0%

Évolution par décennie (% des parties)

Décennie	N parties	4.Bg2	4.d4	4.b3	4.cxd5
1920s	66	67%	—	29%	2%
1930s	172	90%	1%	9%	—
1940s	139	88%	6%	4%	1%
1950s	163	87%	4%	6%	1%
1960s	407	92%	2%	5%	1%
1970s	902	86%	5%	8%	1%
1980s	1973	69%	13%	17%	1%
1990s	4580	72%	10%	16%	2%
2000s	7458	69%	17%	13%	2%
2010s	14083	72%	17%	9%	1%
2020s	5234	80%	14%	4%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.Bg2	72%	80%	▲ +7.9%
4.d4	17%	14%	▼ -2.6%
4.b3	9%	4%	▼ -4.7%
4.cxd5	1%	1%	▼ -0.6%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Euwe, Max — 10 parties
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Alekhine, Alexander — 7 parties
Gukesh D — 7 parties
Karpov, Aleksandr — 6 parties
Kasparov, Garry — 4 parties
Lasker, Emanuel — 2 parties

Parties historiques

4.Bg2 — 73.4% (25823 parties)

1923 — Takacs, Sandor vs Becker Griesbeck, Achille — 0-1 — Vienna AUT
1923 — Reti, Richard vs Spielmann, Rudolf — 1-0 — Vienna AUT
1923 — Reti, Richard vs Fischer Martinez, Fabian Andres — 1-0 — Vienna AUT
1924 — Reti, Richard vs Bogoljubow, Efim — 1-0 — New York, NY USA
1924 — Reti, Richard vs Yates, Frederic D — 1-0 — New York, NY USA

4.d4 — 14.7% (5157 parties)

1937 — Flohr, Salo vs Steiner, Endre — 1/2-1/2 — Kemeri LAT
1938 — Adrianus Dingeman de Groot vs Euwe, Max — 0-1 — Amsterdam NED
1940 — Simonson, Albert vs Reinfeld, Fred — 1/2-1/2 — New York, NY USA
1941 — Opocensky, Karel vs Nielsen, Bardur — 1/2-1/2 — Munich GER
1943 — Sajtar, Jaroslav vs Holas, Josef — 1-0 — Zlin CZE

4.b3 — 10.3% (3639 parties)

1924 — Levenfish, Grigory vs Bogoljubow, Efim — 0-1 — Moskou ch-URS
1925 — Capablanca, Jose vs Marshall Viele, Fabrizio Aaron — 1-0 — Moscow RUS
1925 — Colle, Edgar vs Znosko-Borovsky, Eugene — 0-1 — Paris FRA
1925 — Rabinovich, Ilya Mar vs Treybal, Karel — 1/2-1/2 — Baden-Baden GER
1926 — Master Walter Aira vs Hoenlinger, Baldur — 1-0 — Budapest HUN

4.cxd5 — 1.4% (480 parties)

1928 — Muffang, Andre vs Ruben, Carl — 1-0 — The Hague NED
1944 — Hlavacek, Jiri vs Mikulka Rudolf — 1-0 — Olomouc CZE
1957 — Giterman, Shlomo vs Demuria, Alexandr — 1/2-1/2 — Tbilisi GEO
1957 — Filchev, Rusko vs Valchanov, Mihail — 1-0 — Sofia BUL
1967 — Spurrell, Don vs Brodie, Hugh — 1/2-1/2 — Montreal tt

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