B55d - 6…Nbd7 7.Nf5 - Prins, Venice Attack (1949)

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B55d — Prins, Venice Attack (1949)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 e5 6.Bb5+ Nbd7 7.Nf5
Les coups candidats
Ambassadeurs : Yandemirov, Valeri (14x), Leventic, Ivan (9x), Shaposhnikov, Evgeny (7x), Lo, Kin Mun Dominic (6x), Bednay, Dezso (6x), Borgo, Giulio (6x), Liiva, Riho (5x), Rodriguez Vila, Andres (5x)
7…a6 — 15.3% (108 parties)
Ambassadeurs : Borgo, Giulio (4x), Yandemirov, Valeri (4x), Martinez, Jorge Alexander (3x), Korchnoi, Viktor (2x), Pogrebissky, Iosif (2x), Schulz, Thomas (2x), Drabke, Lorenz Maximilian (2x), Swiercz, Dariusz (2x)
7…Qc7 — 5.1% (36 parties)
Ambassadeurs : Kilpela, Panu (1x), Peltola, J. (1x), Micheel, Peter (1x), Schuetze, Tonio (1x), Farkas, Tibor (1x), Papp, Laszlo (1x), Pap, Gyula (1x), Tompos, Antal (1x)
7…Qb6 — 2.8% (20 parties)
Ambassadeurs : Mariotti, Sergio (2x), Toth, Bela (2x), Paglilla, Carlos (1x), Zuccati, Wesley (1x), Gvatua, Valeri (1x), Popovic, Dusan (1x), Gross, Sebastien (1x), Znamenacek, Kvetoslav (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…d5 7…a6 7…Qc7 7…Qb6
<1800 29 72% 10% 17% —
1800-2200 249 71% 16% 7% 6%
2200-2600 355 80% 15% 3% 1%
2600+ 2 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7…d5 7…a6 7…Qc7 7…Qb6
1950s 30 87% 13% — —
1960s 6 83% 17% — —
1970s 11 91% 9% — —
1980s 20 75% 10% — 15%
1990s 92 76% 15% 3% 2%
2000s 253 77% 15% 6% 3%
2010s 237 75% 18% 5% 2%
2020s 56 73% 11% 11% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…d5 75% 73% ▼ -1.5%
7…a6 18% 11% ▼ -7.0%
7…Qc7 5% 11% ▲ +5.2%
7…Qb6 2% 5% ▲ +3.2%
Parties historiques
7…d5 — 76.3% (538 parties)
1950 — Tartakower, Savielly vs Miguel, Nahuel — 0-1 — Amsterdam NED
1951 — Abdi, Andreas vs Rabar, Braslav — 0-1 — Ljubljana
1951 — Grob, Henry vs Eugenio, Sarah De Oliveira — 1-0 — Venetie ITA-SWZ
1952 — Janssens, Andre vs Winants, Henri — 1/2-1/2 — Ghent
1952 — Book, Eero vs Szabo, Laszlo — 0-1 — Olympiad Helsinki FIN
7…a6 — 15.3% (108 parties)
1950 — Korchnoi, Viktor vs Pogrebissky, Iosif — 1/2-1/2 — Tula RUS
1950 — Korchnoi, Viktor vs Pogrebissky, Iosif — 1/2-1/2 — Tula RUS
1954 — Orlov, Grigory vs Zelinsky, Yuri — 1/2-1/2 — Riga LAT
1954 — Anagnostou, Joannis vs Vesterinen, Jorma — 1/2-1/2 — ?
1962 — Zhuravlev, Valery Ivanovich vs Peterson, Andrejs — 1/2-1/2 — Riga LAT
7…Qc7 — 5.1% (36 parties)
1993 — Kilpela, Panu vs Peltola, J. — 1/2-1/2 — Turku SM
1998 — Farkas, Tibor vs Papp, Laszlo — 1-0 — Szeged tt
1999 — Micheel, Peter vs Schuetze, Tonio — 1/2-1/2 — Neubrandenburg GER
2000 — Istrati, Viorica vs Staflin, Soren — 1/2-1/2 — Eforie Nord
2000 — Ayaan Gomez vs Hernandez Francisco — 0-1 — Madrid ESP
7…Qb6 — 2.8% (20 parties)
1981 — Paglilla, Carlos vs Zuccati, Wesley — 1-0 — Moron
1982 — Mariotti, Sergio vs Toth, Bela — 1-0 — ?
1982 — Mariotti, Sergio vs Toth, Bela — 1-0 — Lido Adriano ch it sq
1997 — Gvatua, Valeri vs Popovic, Dusan — 0-1 — Wch U14 Cannes FRA
1999 — Gross, Sebastien vs Znamenacek, Kvetoslav — 1-0 — CZE