A04i — Reti: 1…c5

1.Nf3 c5 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, libère Bf1
● Nbd2 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 6 pièces non développées (B8, G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Nf6 — Développer Ng8
● ...Bd6 — Développer Bf8

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A04i —

1.Nf3 c5

Eval: [+0.39]

Les coups candidats

2.c4 — 50.7% (42727 parties) →

Ambassadeurs : Andersson, Ulf (130x), Espig, Lutz (112x), Pogorelov, Ruslan (107x), Ribli, Zoltan (105x), Wojtkiewicz, Aleksander (101x), Suba, Mihai (91x), Shchekachev, Andrei (83x), Pantsulaia, Levan (79x)

2.g3 — 25.7% (21680 parties) →

Ambassadeurs : Gutman, Lev (98x), Loginov, Valery A (83x), Romanishin, Oleg M (50x), Kirov, Nino (48x), Vastrukhin, Oleg (40x), Gutman, Leni (38x), Bilek, Istvan (35x), Kekki, Jorma (35x)

2.e4 — 11.8% (9955 parties) →

Ambassadeurs : Kruse, Herbert (41x), Damljanovic, Branko (39x), Sorcinelli, Andrea (20x), Grischuk, Alexander (18x), Sodomski, Andrzej (17x), Bernal Varela, Nelson (17x), Zilahi, Gabor (16x), Schebler, Gerhard (16x)

2.b3 — 6.1% (5108 parties) →

Ambassadeurs : Owens, Johnny (23x), Csom, Istvan (17x), Ackermann, Hans Werner (17x), Lazic, Miroljub (17x), Taimanov, Mark (15x), Kaenel, Hansjuerg (15x), Dizdarevic, Emir (14x), Czebe, Attila (13x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	2.c4	2.g3	2.e4	2.b3
<1800	2136	39%	31%	13%	7%
1800-2200	25976	44%	29%	12%	7%
2200-2600	43024	57%	23%	11%	5%
2600+	2192	69%	11%	11%	5%

Évolution par décennie (% des parties)

Décennie	N parties	2.c4	2.g3	2.e4	2.b3
1850s	2	50%	50%	—	—
1880s	3	—	—	33%	—
1890s	2	—	—	50%	—
1900s	2	—	—	50%	—
1910s	2	50%	50%	—	—
1920s	54	50%	9%	15%	15%
1930s	66	56%	6%	24%	8%
1940s	49	41%	31%	12%	6%
1950s	280	34%	39%	15%	5%
1960s	825	39%	40%	13%	4%
1970s	2323	52%	25%	11%	9%
1980s	4517	53%	28%	9%	6%
1990s	13430	49%	30%	10%	6%
2000s	23549	52%	25%	11%	5%
2010s	31472	51%	24%	13%	6%
2020s	7773	49%	23%	13%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
2.c4	51%	49%	▼ -2.6%
2.g3	24%	23%	▼ -0.9%
2.e4	13%	13%	▲ +0.5%
2.b3	6%	8%	▲ +2.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kasparov, Garry — 10 parties
Karpov, Aleksandr — 10 parties
Kramnik, Vladimir — 10 parties
Ding, Liren — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Gukesh D — 10 parties
Botvinnik, Mikhail — 7 parties
Euwe, Max — 6 parties
Alekhine, Alexander — 5 parties
Lasker, Emanuel — 1 partie

Parties historiques

2.c4 — 50.7% (42727 parties)

1854 — Brien, Robert vs Janssens, Franciscus G — 1-0 — London ENG
1919 — Loewenborg, Otto vs Sjoberg, Victor — 1-0 — Goteborg SWE
1923 — Opocensky, Karel vs Von Patay, Julius — 1-0 — Vienna AUT
1924 — Steiner, Herman vs Michelsen, Einar — 1-0 — New York Rice cc ch
1924 — Duchamp, Marcel vs Muffang, Andre — 0-1 — Strasbourg FRA

2.g3 — 25.7% (21680 parties)

1850 — Bonnerjee, Mohishunder vs Cochrane, John Miles — 1/2-1/2 — Calcutta IND
1912 — Englund, Fritz vs Sjoberg, Victor — 0-1 — Stockholm SWE
1924 — Reti, Richard vs Maroczy, Geza — 1/2-1/2 — New York, NY USA
1925 — Euwe, Max vs Weenink, Henri — 1/2-1/2 — Amsterdam NED
1925 — Vainstein, SRochlinJ vs Bogoljubow, Efim — 1/2-1/2 — Leningrad RUS

2.e4 — 11.8% (9955 parties)

1883 — Julian Andrew June Piper vs Imran Lindsay — 1/2-1/2 — London ENG
1898 — Caro, Horatio vs Janowski, Dawid — 1/2-1/2 — Vienna AUT
1905 — Bogoljubow, Efim vs Neumann, Augustin — 1-0 — Barmen GER
1923 — Berger Chepurniak, Violetta vs Schulz, Jale — 0-1 — Pardubice CZE
1923 — Walter, Max vs Sifalda Vaclav — 1/2-1/2 — Pardubice CZE

2.b3 — 6.1% (5108 parties)

1923 — Tereba, R. vs Schulz, Jale — 1/2-1/2 — Pardubice CZE
1924 — Capablanca, Jose vs Cohen Revivo, Shoham — 1-0 — New York, NY USA
1926 — Model, Heorhi vs Ilyin Zhenevsky, Alexander — 0-1 — Leningrad RUS
1926 — Heider, Heinrich vs Roethemeyer — 1-0 — Cologne GER
1926 — Lokvenc, Josef vs Von Holzhausen, Walther — 1-0 — Vienna AUT

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
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	5 (b1, c1, f1, a1, h1)	6 (b8, g8, 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	● c2-c3, ● d2-d3, ● e2-e3	● …c5-c4, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1938 URS Ch, semi final – Round 1 – Kasparian, Genrikh – 1/2-1/2 – Lisitsin, Georgy – G75 1. Nf3 c5 2. e3 Nf6 3. Be2 g6 4. b3 Bg7 5. Bb2 O-O 6. O-O b6 7. c4 Bb7 8. Nc3 d5 9. Nxd5 Nxd5 10. Bxg7 Kxg7
1958 Herning – Round 1 – Nielsen, Axel – 1-0 – Nielsen, Hartvig – G11 1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. Bd3 d6 5. O-O Nc6 6. d5 Ne5 7. Nxe5 dxe5 8. e4 Nf6 9. c4 O-O 10. Nc3 Ne8
1959 Budapest-Leningrad m – Round ? – Barcza, Gedeon – 1/2-1/2 – Korchnoi, Viktor – G21 1. Nf3 c5 2. e3 g6 3. c4 Bg7 4. Nc3 Nf6 5. d4 cxd4 6. Nxd4 Nc6 7. Be2 O-O 8. O-O d5 9. cxd5 Nxd5 10. Nxd5 Qxd5
1959 DEN Ch – Round 4 – Nielsen, Axel – 1/2-1/2 – Larsen, Bent Ravn – G21 1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. Bd3 cxd4 5. exd4 Nc6 6. c3 Nf6 7. O-O O-O 8. Nbd2 d5 9. Re1 Bf5 10. Bxf5 gxf5
1959 HUN Ch Budapest HUN – Round 8 – Barcza, Gedeon – 1/2-1/2 – Szabo, Laszlo – G34 1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nbd2 Qxc5 6. Be2 d6 7. O-O Qc7 8. c4 Nf6 9. Nd4 Nc6 10. b3 Nxd4
1959 HUN Ch playoff – Round 6 – Barcza, Gedeon – 0-1 – Portisch, Lajos – G5 1. Nf3 c5 2. e3 Nf6 3. c4 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 Nc6 7. O-O b6 8. d4 cxd4 9. Nxd4 Bb7 10. Bf3 Qc7
1960 HUN Ch playoff – Round 2 – Barcza, Gedeon – 1/2-1/2 – Szabo, Laszlo – G1 1. Nf3 c5 2. c3 Nf6 3. d3 d5 4. Bg5 Nc6 5. Nbd2 e6 6. e4 Be7 7. Be2 O-O 8. O-O b5 9. e5 Nd7 10. Bxe7 Qxe7
1962 Hungary – Round 10 – Borloy, Karoly – 1/2-1/2 – Liptay, Laszlo Dr. – G79 1. Nf3 c5 2. d3 Nc6 3. c3 d5 4. g3 e5 5. Bg2 f5 6. Qa4 Bd6 7. O-O Nf6 8. c4 d4 9. Nxd4 exd4 10. Bxc6+ Bd7
1962 Stockholm Interzonal – Round 17 – Barcza, Gedeon – 0-1 – Korchnoi, Viktor – G154 1. Nf3 c5 2. e3 Nf6 3. c4 g6 4. Nc3 Bg7 5. d4 cxd4 6. Nxd4 O-O 7. Be2 d5 8. O-O dxc4 9. Bxc4 a6 10. a4 Qc7
1965 Novi Sad – Round 1 – Planinec, Albin – 1/2-1/2 – Parma, Bruno – G21 1. Nf3 c5 2. b4 cxb4 3. a3 bxa3 4. e4 d6 5. Nxa3 e6 6. Bb2 Nf6 7. Bb5+ Nbd7 8. Nc4 Be7 9. Bxf6 gxf6 10. Nd4 O-O
1968 Toronto CAN Open – Round 3 – Normandeau Yannick – 0-1 – Brodie, Hugh – G6 1. Nf3 c5 2. d4 g6 3. g3 Bg7 4. c3 e6 5. Bg2 Ne7 6. O-O cxd4 7. cxd4 d5 8. Nc3 O-O 9. Re1 Nbc6 10. Be3 a6
FTX Crypto Cup 2022 – Round 4.2 – Niemann, Hans Moke – 1/2-1/2 – Giri, Anish – G58 1. Nf3 c5 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. d4 cxd4 6. Nxd4 O-O 7. c4 d5 8. Be2 dxc4 9. bxc4 Nc6 10. O-O Bd7
GCT Blitz Paris 2018 – Round 14.5 – Aronian, Levon – 1/2-1/2 – Vachier-Lagrave, Maxime – G69 1. Nf3 c5 2. e3 d5 3. b3 Nf6 4. Bb2 Nc6 5. Bb5 Bd7 6. O-O e6 7. Bxc6 Bxc6 8. Ne5 Rc8 9. d3 Nd7 10. Nxc6 Rxc6
Lindores Abbey Tal Memorial 2021 – Round 3.29 – Grandelius, Nils – 1-0 – Zhou, Jianchao – G140 1. Nf3 c5 2. e3 Nc6 3. d4 cxd4 4. exd4 d5 5. Nbd2 Bg4 6. h3 Bh5 7. Bb5 e6 8. g4 Bg6 9. Ne5 Rc8 10. h4 f6
Lindores Abbey Tal Memorial 2021 – Round 3.30 – Moussard, Jules – 0-1 – Miezis, Normunds – G142 1. Nf3 c5 2. e3 e6 3. b3 Nf6 4. Bb2 b6 5. Rg1 Bb7 6. g4 h6 7. h4 Nc6 8. g5 hxg5 9. hxg5 Ne4 10. d3 Nd6
Lindores Abbey Tal Memorial 2021 – Round 7.17 – Grandelius, Nils – 1-0 – Padmini, Rout – G305 1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. d5 Nf6 5. Nc3 O-O 6. Be2 d6 7. O-O Bg4 8. h3 Bxf3 9. Bxf3 Na6 10. e4 Nd7
SportAccord Blitz 2014 – Round 25.8 – Ivanchuk, Vasyl – 1-0 – Dominguez Perez, Leinier – G199 1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. c4 Nf6 5. Nc3 O-O 6. Be2 cxd4 7. exd4 d5 8. O-O Nc6 9. Bf4 dxc4 10. d5 Na5
SuperUnited Blitz 2023 – Round 12.3 – Rapport, Richard – 1/2-1/2 – Firouzja, Alireza – G58 1. Nf3 c5 2. e3 d5 3. b3 f6 4. d4 cxd4 5. exd4 Nc6 6. c4 e6 7. Bd3 Bd6 8. O-O Nge7 9. Nc3 O-O 10. Nb5 Bb8
Tata Steel India Blitz 2022 – Round 4.4 – Nihal Sarin – 0-1 – Gukesh D – G18 1. Nf3 c5 2. e3 d5 3. b3 Nc6 4. Bb2 a6 5. d4 Nf6 6. Nbd2 cxd4 7. Nxd4 e6 8. Be2 Bd6 9. O-O O-O 10. c4 Nxd4
Tata Steel India Blitz 2022 – Round 8.1 – Nakamura, Hikaru – 0-1 – Erigaisi Arjun – G35 1. Nf3 c5 2. e3 Nf6 3. b3 d5 4. Bb2 a6 5. c4 e6 6. a3 Bd6 7. cxd5 exd5 8. d4 b6 9. dxc5 bxc5 10. Be2 O-O
World Blitz 2015 – Round 19.65 – Shchekachev, Andrei – 1/2-1/2 – Volokitin, Andrei – G1216 1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. d5 Nf6 5. c4 O-O 6. Nc3 e6 7. Be2 exd5 8. cxd5 d6 9. O-O Re8 10. Nd2 Nbd7
World Blitz 2016 – Round 9.42 – Maghsoodloo, Parham – 0-1 – Pantsulaia, Levan – G374 1. Nf3 c5 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. d4 cxd4 6. exd4 d5 7. Bd3 Nc6 8. a3 O-O 9. Nbd2 Bf5 10. Bxf5 gxf5
World Blitz 2018 – Round 20.60 – Goganov, Aleksey – 1-0 – Sokolov, Andrei – G1199 1. Nf3 c5 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. Be2 O-O 6. O-O Nc6 7. c4 b6 8. Nc3 Bb7 9. Rc1 d5 10. Nxd5 Nxd5
World Blitz 2018 – Round 8.44 – Goganov, Aleksey – 0-1 – Melkumyan, Hrant – G488 1. Nf3 c5 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. c4 O-O 6. Be2 Nc6 7. O-O d6 8. Nc3 e5 9. d3 h6 10. Nd2 Be6
World Blitz 2022 – Round 12.68 – Aleksandrov, Aleksej – 1/2-1/2 – Bologan, Victor – G664 1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. Be2 Nf6 5. dxc5 Qa5+ 6. Nbd2 Qxc5 7. a3 Qc7 8. c4 O-O 9. O-O d6 10. Nd4 a6
World Blitz 2022 – Round 16.8 – Anton Guijarro, David – 1/2-1/2 – Rapport, Richard – G881 1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. Be2 Nf6 5. O-O O-O 6. dxc5 Qc7 7. a3 Qxc5 8. b4 Qc7 9. Bb2 b6 10. c4 Bb7
World Rapid 2019 – Round 7.43 – Nihal Sarin – 1-0 – Ivanisevic, Ivan – G465 1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. Nbd2 cxd4 5. exd4 Nf6 6. Bd3 O-O 7. O-O Nc6 8. Re1 d6 9. c3 e5 10. dxe5 dxe5

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