Base Masters : Blancs 35.9%, Nulles 38.3%, Noirs 25.9%.

Coups candidats

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Analyse coup par coup — 12 demi-coups commentés

1.e4 Avancée centrale — contrôle d5, f5. Prépare d4, f4, Bc4, Bd3.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.
2.Nf3 Contrôle c4, d4, d5, e5.
2…d6 Avancée centrale — contrôle c5, e5. Prépare e5, Nd7.
3.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
3…cxd4 Capture en d4 — résout la tension centrale.
4.Nxd4 Capture pion en d4.
4…Nf6 Contrôle e4, c5, d5, e5.
5.Nc3 Contrôle c4, f4, d5, f5.
5…Nc6 Contrôle d4, e4, c5, d5.
6.Bg5 Contrôle c4, f4, d5, f5.
6…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 5)
Bg5	● Bg5 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	3 (● 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	mobile
Ruptures	● e4-e5	● …d6-d5

B62 — Sicilian Defense: Richter-Rauzer Variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Qd2 (Prépare O-O-O — 89 % des parties) ; Qd3 (Centraliser la dame, Prépare O-O-O — 3 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...a6 (Préparer expansion aile dame — 61 % des parties) ; ...Be7 (Développer f8 — 30 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1935 AUS Ch – Round 12 – Condon, Robert F – 1-0 – Koshnitsky, Gregory – G10 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Bc4 Be7 8. Ndb5 a6 9. Bxf6 gxf6 10. Nd4 Qb6
1935 AUS Ch – Round 12 – Crowl, Frank Arthur – 0-1 – Goldstein, Maurice Edwards – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Bc4 a6 8. Nxc6 bxc6 9. Qf3 e5 10. O-O Be7
1949 HUN-NLD – Round ? – Prins, Lodewijk – 0-1 – Benko, Pal – G10 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. g3 h6 8. Be3 Be7 9. Bg2 O-O 10. O-O Bd7
1949 URS Ch, semi final – Round 8 – Vatnikov, Josif E – 0-1 – Rovner, Dmitry – G62 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. d4 cxd4 5. Nxd4 d6 6. Bg5 e6 7. g3 a6 8. Bg2 Bd7 9. O-O Be7 10. Nce2 Ne5
1952 Budapest – Round 1 – Platz, Hans – 0-1 – Gereben, Erno – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qe2 a6 8. O-O-O Bd7 9. f4 h6 10. Bh4 Be7
1953 Bucharest – Round 3 – Reicher, Emanoil-George – 0-1 – Tolush, Alexander V – G34 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. g3 a6 8. Bg2 Bd7 9. O-O Be7 10. Nxc6 Bxc6
1954 URS Team Ch – Round 10 – Bastrikov, Georgy – 1/2-1/2 – Gipslis, Aivars – G183 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Bc4 Bd7 8. O-O a6 9. a3 Be7 10. Ba2 O-O
1956 Moscow olm fin-A – Round 3 – Walther, Edgar – 1-0 – Ingerslev, Aage – G46 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. g3 a6 8. Bg2 Bd7 9. O-O Be7 10. Nce2 Ne5
1958 BRA Ch – Round 3 – Camara, Helder – 1/2-1/2 – Lemos, Jorge Joao – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. f4 Be7 8. Ndb5 a6 9. Nd4 h6 10. Bh4 Qb6
1958 Munich olm fin-B – Round 4 – Prins, Lodewijk – 1-0 – Cuellar Gacharna, Miguel – G40 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. g3 h6 8. Be3 e5 9. Nb3 Be6 10. Bg2 Bc4
1959 Candidates Tournament women – Round 9 – Rinder, Elfriede – 0-1 – Nedeljkovic, Verica – G33 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Be7 9. Qd2 O-O 10. Bxf6 Bxf6
1959 Tbilisi ch-URS – Round 12 – Nezhmetdinov, Rashid – 0-1 – Averbakh, Yuri L – G99 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. g3 Bd7 8. Bg2 a6 9. O-O Be7 10. Nb3 Qc7
1960 Leipzig olm prel – Round 7 – Janetschek, Karl – 0-1 – Bouwmeester, Hans – G245 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Be7 9. Qf3 O-O 10. O-O-O Rd8
1960 UKR Ch sf – Round 1 – Berenstein, Alexander – 1/2-1/2 – Zurakhov, Vladlen Y – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Nxc6 bxc6 10. Qf3 Qc7
1961 Minet Shield – Round ? – Collins, Richard Arnold – 1-0 – Allwood, Geoffrey – G8 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Nb3 a6 10. Qf3 O-O
1961 Moscow Ch – Round ? – Volovich, Anatoly – 1-0 – Korzin, Vitaly A – G86 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Be7 9. Qf3 a5 10. a4 O-O
1963 Corr – Round 1 – Barry Bertomeu, Enrique – 1/2-1/2 – Lyons Jr, Rainey Jude – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Be7 9. Qd2 h6 10. Bh4 Nxe4
1964 Tel Aviv olm fin-B – Round 2 – Ujtumen, Tudev – 0-1 – Saguier, Emiliano – G18 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Bg5 e6 7. f4 Be7 8. Ndb5 a6 9. Bxf6 gxf6 10. Nd4 Qb6
1965 BRA Ch 32th – Round 3 – Alves, Francisco H B Severino – 0-1 – Moreira Benedito – G10 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. f4 Be7 8. Qd2 h6 9. Bh4 Nxe4 10. Nxe4 Bxh4+
1967 ROM Ch – Round 8 – Troianescu, Octav – 1/2-1/2 – Buza, Adrian – G53 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. g3 a6 8. Bg2 Bd7 9. O-O Be7 10. Qd3 Qc7
1968 Montreal Open – Round 8 – Muskat, Robert – 1/2-1/2 – Zalys, Ignas – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. f4 Be7 8. Qd2 a6 9. Bc4 Bd7 10. Nxc6 Bxc6
1969 Corr – Round ? – Kanya, Zoltan – 0-1 – Negyesy, Gyorgy – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Bxf6 Qxf6 8. Nxc6 bxc6 9. Bd3 Rb8 10. Na4 d5
1974 Manila – Round 14 – Kavalek, Lubomir – 1/2-1/2 – Gheorghiu, Florin – G85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Bc4 Be7 8. Qe2 O-O 9. Bb3 a6 10. O-O-O Qc7
43. Olympiad 2018 – Round 1.9 – Bolanos, Fernando – 0-1 – Sutovsky, Emil – G76 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. f4 Qb6 8. Nb3 a5 9. a4 Bd7 10. Qf3 Nb4
Lindores Abbey Tal Memorial 2021 – Round 2.44 – Divya Deshmukh – 1-0 – Oparin, Grigoriy – G97 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. Bb5 Bd7 10. Bf2 Qa5

B62a — Richter-Rauzer Variation (1935)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6

Les coups candidats

7.Qd2 — 89.3% (39822 parties) →

Ambassadeurs : Wosch, Arkadiusz (417x), Kozul, Zdenko (231x), Kotronias, Vasilios (157x), ? (145x), Van der Wiel, John T.H. (103x), Greenfeld, Alon (103x), Csom, Istvan (91x), Lanka, Zigurds (88x)

7.Qd3 — 3.2% (1413 parties) →

Ambassadeurs : Tolnai, Tibor (23x), Grabarczyk, Bogdan (10x), Grabics, Monika (9x), Zelcic, Robert (9x), Gan-Erdene, Sugar (9x), Yurtaev, Leonid (7x), Aleksic, Nenad (7x), Thorhallsson, Throstur (7x)

7.Bb5 — 2.8% (1234 parties) →

Ambassadeurs : Lengyel, Bela (37x), Milov, Leonid (14x), Westerinen, Heikki M.J. (12x), Bryla, Hanna (9x), Escofet, Jaime (8x), Berzinsh, Roland (6x), Podoba, Milan (6x), Yudasin, Leonid (6x)

7.f4 — 1.8% (822 parties)

Ambassadeurs : Wosch, Arkadiusz (11x), Nevostrujev, Vladimir (4x), Wikman, Bengt (3x), Schevnin, Leonid (3x), Gebuhr, Guenter (3x), Sitorus, Yosua (3x), Agathiyan Susil (3x), Costa, Fabrizio (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Qd2	7.Qd3	7.Bb5	7.f4
<1800	1438	81%	3%	4%	4%
1800-2200	12398	86%	3%	3%	3%
2200-2600	24279	92%	4%	3%	1%
2600+	966	95%	3%	2%	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Qd2	7.Qd3	7.Bb5	7.f4
1950s	1014	84%	5%	2%	1%
1960s	764	88%	2%	2%	3%
1970s	1277	92%	2%	1%	2%
1980s	2779	93%	1%	2%	2%
1990s	7928	89%	2%	4%	2%
2000s	12521	92%	1%	2%	2%
2010s	11984	92%	2%	2%	2%
2020s	6342	78%	13%	5%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Qd2	92%	78%	▼ -13.1%
7.Qd3	2%	13%	▲ +11.3%
7.Bb5	2%	5%	▲ +3.5%
7.f4	2%	1%	▼ -0.9%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Botvinnik, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ju, Wenjun — 6 parties
Ding, Liren — 4 parties
Gukesh D — 2 parties

Parties historiques

7.Qd2 — 89.3% (39822 parties)

1950 — Guldin, Lev Isaevich vs Dubinin, Peter — 0-1 — Gorky
1950 — Averbakh, Yuri L vs Suetin, Alexey S — 1-0 — Moskou ch-URS
1950 — Olafsson, Fridrik vs Boey, Josef — 1-0 — Birmingham ENG
1950 — Geis, Emil vs Walther, Edgar — 0-1 — cr.
1950 — Szily, Jozsef vs Pogats, Jozsef Jr. — 1-0 — Budapest HUN

7.Qd3 — 3.2% (1413 parties)

1950 — Keres, Paul vs Boleslavsky, Isaac — 1-0 — Moskou ch-URS
1950 — Keres, Paul Petrovich vs Boleslavsky, Isaac — 1-0 — Ch URS Moscow RUS
1950 — Balogh, Janos vs Napolitano, Matteo — 0-1 — corr Wch1
1950 — Alexander Tadala vs Geller, Efim P. — 0-1 — Moskou ch-URS
1950 — Keres, Paul vs Stahlberg, Gideon — 1/2-1/2 — Budapest HUN

7.Bb5 — 2.8% (1234 parties)

1951 — Canal, Esteban vs Rellstab, Ludwig — 1-0 — Reggio Emilia ITA
1951 — Puc, Stojan vs Stoltz, Gosta — 1/2-1/2 — Dortmund GER
1951 — Canal, Esteban vs Beni, Alfred — 1/2-1/2 — Vienna AUT
1952 — Canal, Esteban vs Eken, Max — 1/2-1/2 — Zurich SUI
1954 — Rossolimo, Nicolas vs Sherwin, James T — 1/2-1/2 — New York ch-USA

7.f4 — 1.8% (822 parties)

1956 — Werle, Allan vs Nyman, Sture V — 1-0 — Stockholmsmasterskap
1957 — Brameyer, Hermann vs Nitsche, Werner — 0-1 — Ruhla
1957 — Chaude de Silans, Chantal vs Moelman, Tora — 1-0 — Emmen
1958 — Schaposchnikow, J. vs Duenhaupt, Heinz-Wilhelm Dr — 1/2-1/2 — corr USSR-GER
1958 — Blackstone, John vs Powers, Christopher — 0-1 — San Jose, CA USA

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