B31a - 4.* - Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation (1953)

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B31a — Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation (1953)
1.e4 c5 2.Nf3 Nc6 3.Bb5 g6
Les coups candidats
Ambassadeurs : Wosch, Arkadiusz (47x), Yandemirov, Valeri (41x), Timman, Jan H (37x), Ilyasov, Anatoly Fedorovich (37x), Jansa, Vlastimil (36x), Hecht, Hans-Joachim (32x), Ciocaltea, Victor (27x), Vasiukov, Evgeni (27x)
Ambassadeurs : Nevednichy, Vladislav (53x), Wosch, Arkadiusz (47x), Ikonnikov, Vyacheslav (45x), Velicka, Petr (43x), Mamedov, Rauf (41x), Sutovsky, Emil (40x), Komliakov, Viktor (31x), Rublevsky, Sergei (30x)
4.c3 — 5.0% (2414 parties)
Ambassadeurs : Smirin, Ilia (34x), Barbu, George-Viorel (21x), Makropoulou, Marina (17x), Bronstein, David I (15x), Martorelli, Antonio (13x), Fierro Baquero, Martha L. (13x), Karlovich, Anastazia (11x), Kalod, Radek (10x)
Ambassadeurs : Vorontsov, Gennady Nikolaevich (5x), Uifelean, Andrei (5x), Palladino, Mario (4x), Lenz, Boris (4x), Babychuk, Vladimir (4x), Hjorth, Jesper (3x), Kolanek, Roman (3x), Bartel, Michal (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.O-O 4.Bxc6 4.c3 4.Nc3
<1800 2387 52% 34% 8% 3%
1800-2200 18434 56% 36% 6% 2%
2200-2600 23097 56% 39% 4% 1%
2600+ 885 43% 54% 3% —
Évolution par décennie (% des parties)
Décennie N parties 4.O-O 4.Bxc6 4.c3 4.Nc3
1950s 101 64% 2% 33% 1%
1960s 291 85% — 14% —
1970s 1048 93% 1% 6% 0%
1980s 1245 89% 3% 7% 0%
1990s 6501 70% 23% 6% 1%
2000s 12878 57% 35% 5% 1%
2010s 16485 45% 47% 4% 2%
2020s 9690 56% 38% 4% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.O-O 45% 56% ▲ +10.5%
4.Bxc6 47% 38% ▼ -9.0%
4.c3 4% 4% +0.2%
4.Nc3 2% 1% ▼ -1.2%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 10 parties
Gukesh D — 10 parties
Tal, Mikhail — 6 parties
Ju, Wenjun — 6 parties
Botvinnik, Mikhail — 4 parties
Fischer, Robert James — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
4.O-O — 56.2% (27134 parties)
1950 — De Wolf, Kees vs Emden, Hermann — 1/2-1/2 — Switzerland
1950 — Rossolimo, Nicolas vs Castillo Bermudez, Manuel — 1-0 — Mar del Plata ARG
1950 — Rossolimo, Nicolas vs Castillo, Manuel — 1-0 — Mar del Plata ARG
1951 — Schlieder, Rolf vs Nuesken, Fritz — 1/2-1/2 — Schwerin GER
1951 — Darga, Klaus vs Musmann, Lothar — 1-0 — Leipzig GER
4.Bxc6 — 36.5% (17608 parties)
1956 — Namyil, Naidan vs Liebert, Heinz — 0-1 — Ulaanbaatar MGL
1959 — Handel, Horst vs Baumbach, Friedrich, Dr. — 1/2-1/2 — GDR-ch Leipzig GER
1970 — Lampela, Olavi vs Miettinen, Reino — 0-1 — ?
1972 — Ramirez, Hermogen vs Ervin, Roy — 1/2-1/2 — Lone Pine, CA USA
1974 — Ostermeyer, Peter, Dr. vs Freise, Helmut — 1/2-1/2 — Menden
4.c3 — 5.0% (2414 parties)
1953 — Larsen, Bent vs Christensen, Johannes — 1-0 — Horsens
1953 — Szabo, Laszlo vs Boleslavsky, Isaac — 1-0 — Bucharest ROU
1955 — Bronstein, David I vs Geller, Efim P. — 1-0 — Goteborg izt
1955 — Maderna, Carlos vs Acoltzi Ruiz, Mariana — 1/2-1/2 — Buenos Aires ARG
1955 — Bouwmeester, Hans vs Kovacs, Zoltan — 1-0 — Beverwijk NED
4.Nc3 — 1.3% (613 parties)
1950 — Limbourg, Remi vs Boey, Josef — 1/2-1/2 — Antwerp BEL
1979 — Geisdorf, Herbert vs Zunker, Reinhard, Dr. — 1-0 — Moerlenbach
1979 — Tello Dengra, Rafael vs Bousios, Hristos — 0-1 — Skien
1981 — Chistiakov, Alexander vs Zhukhovitsky, Samuel — 1/2-1/2 — Erevan ARM
1984 — Smith, Warren vs Groeller, W. — 1/2-1/2 — E Detroit Motor City op