B51f - 3…Nd7 4.d4 - Moscow 3…Nd7 4.d4 (1952)

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B51f — Moscow 3…Nd7 4.d4 (1952)
1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4
Les coups candidats
Ambassadeurs : Velicka, Petr (25x), Stocek, Jiri (19x), Sarana, Alexey (17x), Cheparinov, Ivan (16x), Munoz, Miguel (16x), Koziorowicz, Michal (15x), Mikheeva, Galina (14x), Carlsson, Pontus (13x)
Ambassadeurs : Velicka, Petr (22x), Suba, Mihai (15x), Ljubojevic, Ljubomir (13x), Csom, Istvan (12x), Ulybin, Mikhail (10x), Sunye Neto, Jaime (8x), Szmetan, Jorge (7x), Kengis, Edvins (7x)
4…a6 — 4.7% (390 parties)
Ambassadeurs : Bu, Xiangzhi (4x), Bologan, Victor (3x), Blackstone, John (2x), Vuksanovic, Sanja (2x), Andreev, Eduard (2x), Golek-Schild, Jagoda (2x), Kozak, Antoni (2x), Lu, Shanglei (2x)
4…Qa5+ — 0.2% (13 parties)
Ambassadeurs : Francisco, Luis (1x), Lameira, Dinis (1x), Szaboky, Tibor (1x), Allen, Michael (1x), Bos, Joachim (1x), Kvisla, Johannes Luangtep (1x), Raats, Dan (1x), Tayar, Jonathan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…cxd4 4…Nf6 4…a6 4…Qa5+
<1800 291 73% 22% 5% 1%
1800-2200 2515 70% 24% 5% 0%
2200-2600 4823 61% 35% 4% 0%
2600+ 320 80% 17% 3% —
Évolution par décennie (% des parties)
Décennie N parties 4…cxd4 4…Nf6 4…a6 4…Qa5+
1950s 15 73% 7% 13% —
1960s 25 68% — 28% —
1970s 280 26% 67% 6% —
1980s 185 30% 62% 7% —
1990s 728 33% 62% 5% —
2000s 1700 33% 61% 6% 0%
2010s 3362 73% 21% 5% 0%
2020s 2039 94% 4% 2% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…cxd4 73% 94% ▲ +20.7%
4…Nf6 21% 4% ▼ -17.2%
4…a6 5% 2% ▼ -3.2%
4…Qa5+ 0% 0% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 10 parties
Kasparov, Garry — 9 parties
Carlsen, Magnus — 8 parties
Hou, Yifan — 8 parties
Ju, Wenjun — 5 parties
Tal, Mikhail — 3 parties
Kramnik, Vladimir — 1 partie
Ding, Liren — 1 partie
Parties historiques
4…cxd4 — 63.8% (5316 parties)
1950 — Lambert, Hans vs Rossetto, Hector — 0-1 — Dubrovnik olm
1950 — Lambert, Hans vs Rossetto, Hector — 0-1 — Dubrovnik olm
1952 — Boutteville, Cesar vs Paulus, Joseph — 1/2-1/2 — Charleville Mezieres
1952 — Gross, Henry vs Spiller, Arthur R — 1-0 — San Francisco, Ca
1952 — Filipov, Filip vs Bobekov, Radko — 1/2-1/2 — Sofia BUL
4…Nf6 — 31.3% (2608 parties)
1957 — Shagalovich, Abo vs Shcherbakov, Ruslan — 1-0 — Minsk BLR
1971 — Fedorov, Vladislav vs Ribli, Zoltan — 1/2-1/2 — Moscow RUS
1971 — Larsen, Bent Ravn vs Csom, Istvan — 1-0 — Palma de Majorca ESP
1971 — Rogoff, Kenneth vs Hausner, Ivan — 1-0 — Athens GRE
1971 — Vadasz, Laszlo vs Csom, Istvan — 0-1 — Budapest HUN
4…a6 — 4.7% (390 parties)
1953 — Keller, Dieter vs Panno, Oscar — 1/2-1/2 — Copenhagen DEN
1954 — Bhend, Edwin vs Toran Albero, Roman — 1/2-1/2 — Munich GER
1963 — Kapengut, Albert vs Tukmakov, Vladimir B — 0-1 — Soviet Union
1963 — Barendregt, Johan vs Bednarski, Jacek — 1/2-1/2 — Polanica Zdroj POL
1964 — Shamshin, Rudolf vs Korsakov, Boris A — 0-1 — ?
4…Qa5+ — 0.2% (13 parties)
2003 — Francisco, Luis vs Lameira, Dinis — 0-1 — Lisbon POR
2003 — Szaboky, Tibor vs Allen, Michael — 0-1 — bcc
2005 — Bos, Joachim vs Kvisla, Johannes Luangtep — 1/2-1/2 — Calvi
2006 — Raats, Dan vs Tayar, Jonathan — 0-1 — Kitchener
2010 — Van Arkel, Rogier vs Beijer, Bart — 1/2-1/2 — Netherlands NED