C86i - 6…b5 7.Bb3 O-O 8.c3 d6 9.Rd1 - Worrall Attack

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C86i — Worrall Attack
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 8.c3 d6 9.Rd1
Eval: [+0.14]
Les coups candidats
9…Na5 — 71.1% (887 parties)
Ambassadeurs : Tiviakov, Sergei (8x), Cooper, Lawrence H (7x), Fomina, Tatyana (6x), Bok, Benjamin (6x), Madl, Ildiko (6x), Varshini, V (6x), Keres, Paul (5x), Pelikan, Anna (5x)
9…Bg4 — 17.6% (219 parties)
Ambassadeurs : Vidarsson, Jon G (3x), Estrada Nieto, Julian (3x), Strikovic, Aleksa (2x), Urbanec, Ladislav (2x), Yemelin, Vasily (2x), Lorenzini, Martin (2x), Howell, David W L (2x), Trabert, Bettina (2x)
9…Bb7 — 3.6% (45 parties)
Ambassadeurs : Abreu Jean, Carlos Paul (1x), Azuaje Rolland, Aidanna Sabrina (1x), Strikovic, Aleksa (1x), Ilincic, Zlatko (1x), Strobel, Matthias (1x), Doerflinger, Josef (1x), Gyllenberg, Mats (1x), Valkeajarvi Simo (1x)
9…Be6 — 2.2% (27 parties)
Ambassadeurs : Kosten, Anthony C. (1x), Flear, Glenn C (1x), Barlov, Dragan (1x), Velimirovic, Dragoljub (1x), Strikovic, Adnan (1x), Shirov, Alexei (1x), McDonnell, James J. (1x), Cobb, James (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Na5 9…Bg4 9…Bb7 9…Be6
<1800 37 51% 27% 14% 5%
1800-2200 440 72% 18% 4% 2%
2200-2600 577 73% 16% 3% 2%
2600+ 15 73% 20% — —
Évolution par décennie (% des parties)
Décennie N parties 9…Na5 9…Bg4 9…Bb7 9…Be6
1940s 7 100% — — —
1950s 26 77% 19% — —
1960s 24 71% 17% 4% —
1970s 17 71% 12% 6% —
1980s 30 63% 13% 7% 7%
1990s 204 64% 20% 4% 5%
2000s 397 71% 19% 3% 2%
2010s 474 75% 16% 4% 1%
2020s 68 63% 18% 1% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Na5 75% 63% ▼ -12.1%
9…Bg4 16% 18% ▲ +2.0%
9…Bb7 4% 1% ▼ -2.7%
9…Be6 1% 4% ▲ +3.1%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 4 parties
Carlsen, Magnus — 3 parties
Hou, Yifan — 3 parties
Anand, Viswanathan — 2 parties
Karpov, Aleksandr — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
9…Na5 — 71.1% (887 parties)
1941 — Keres, Paul vs Lilienthal, Andor — 1-0 — Leningrad- Moscow URS
1941 — Keres, Paul vs Lilienthal, Andor — 1-0 — Leningrad RUS
1942 — Alekhine, Alexander vs Keres, Paul Petrovich — 1-0 — It Salzburg AUT
1942 — Alekhine, Alexander vs Keres, Paul — 1-0 — Salzburg AUT
1942 — Alekhine, Alexander vs Keres, Paul — 1-0 — Salzburg AUT
9…Bg4 — 17.6% (219 parties)
1953 — Hoffmann, Hans vs Platz, Hans — 0-1 — Leipzig GER
1954 — Kramer, Haije vs Mulcahy, Edmond — 1-0 — Munich GER
1955 — Boettger, Hellmuth vs Schaefer, Maik — 0-1 — corr FSM/BRD/5 Endr
1958 — Pelikan, Anna vs Piazzini, Luis — 1/2-1/2 — Buenos Aires ARG
1958 — Rhodin, Bodo vs Rellstab, Ludwig Sr — 1/2-1/2 — Hamburg GER
9…Bb7 — 3.6% (45 parties)
1966 — Abreu Jean, Carlos Paul vs Azuaje Rolland, Aidanna Sabrina — 0-1 — Grenoble FRA
1975 — Gyllenberg, Mats vs Valkeajarvi Simo — 1-0 — ?
1986 — Strikovic, Aleksa vs Ilincic, Zlatko — 0-1 — Budva MNE
1987 — Strobel, Matthias vs Doerflinger, Josef — 1/2-1/2 — Wurtemberg
1991 — Estrada Nieto, Julian vs Zarnicki, Pablo Adrian — 0-1 — Buenos Aires ARG
9…Be6 — 2.2% (27 parties)
1985 — Barlov, Dragan vs Velimirovic, Dragoljub — 0-1 — Vrsac SRB
1989 — Kosten, Anthony C. vs Flear, Glenn C — 1/2-1/2 — Hastings ENG
1990 — Strikovic, Adnan vs Shirov, Alexei — 1-0 — Val Maubuee open
1990 — Weill, Roland vs Pytel, Martin — 1-0 — Toulouse FRA
1993 — McDonnell, James J. vs Cobb, James — 0-1 — BCF-ch Dundee SCO