C86i - 9.Rd1 - Spanish: Worrall Attack (1941)

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C86i — Spanish: Worrall Attack (1941)
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
Les coups candidats
9…Na5 — 70.7% (889 parties)
Ambassadeurs : Cooper, Lawrence H (7x), Pelikán, Jiří (6x), Fomina, Tatyana (6x), Bok, Benjamin (6x), Madl, Ildiko (6x), Varshini, V (6x), Ducarmon, Quinten (5x), Spence, David J (5x)
9…Bg4 — 17.8% (224 parties)
Ambassadeurs : Vidarsson, Jon G (3x), Estrada Nieto, Julian (2x), Munoz Moreno, Francisco Javier (2x), Colin, Vincent (2x), Promyshlyanskiy, Vitaliy (2x), Pelikán, Jiří (1x), Piazzini, Luis (1x), Blackstone, John (1x)
9…Bb7 — 3.7% (46 parties)
Ambassadeurs : Derhy Menie Mbele Jean (1x), Rolland, Pierre (1x), Strikovic, Aleksa (1x), Ilincic, Zlatko (1x), Strobel, Matthias (1x), Doerflinger, Josef (1x), Gyllenberg, Mats (1x), Valkeajarvi Simo (1x)
9…Be6 — 2.2% (28 parties)
Ambassadeurs : Kosten, Anthony C. (1x), Flear, Glenn C (1x), Barlov, Dragan (1x), Velimirovic, Dragoljub (1x), Strikovic, Aleksa (1x), Shirov, Alexei (1x), Snowden, E. (1x), Allen Obed (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 78 58% 26% 9% 4%
1800-2200 493 73% 17% 4% 2%
2200-2600 552 70% 18% 3% 3%
2600+ 14 79% 14% — —
Évolution par décennie (% des parties)
Décennie N parties 9…Na5 9…Bg4 9…Bb7 9…Be6
1950s 26 77% 19% — —
1960s 24 71% 17% 4% —
1970s 17 71% 12% 6% —
1980s 30 63% 13% 7% 7%
1990s 207 64% 20% 5% 5%
2000s 400 71% 20% 3% 2%
2010s 478 75% 16% 4% 1%
2020s 76 63% 18% 1% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Na5 75% 63% ▼ -11.7%
9…Bg4 16% 18% ▲ +2.7%
9…Bb7 4% 1% ▼ -2.9%
9…Be6 1% 4% ▲ +2.5%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 4 parties
Carlsen, Magnus — 3 parties
Karpov, Anatoly — 2 parties
Anand, Viswanathan — 2 parties
Parties historiques
9…Na5 — 70.7% (889 parties)
1952 — Bolbochan, Julio vs Vasconcelos, Fernando — 1-0 — Rio de Janeiro BRA
1952 — Filip, Marius Liviu vs Gligoric, Sofija — 0-1 — Helsinki olm
1952 — Tshiknopoulos vs Keres, Paul Petrovich — 0-1 — 05, Helsinki ol prel
1952 — Michel, Clement Paul vs Garcia Vera, Romeo — 1-0 — Mar del Plata ARG
1953 — Pelikán, Jiří vs Aarsvold, Espen — 1/2-1/2 — cr.
9…Bg4 — 17.8% (224 parties)
1953 — Hoffmann, Hans vs Platz, Hans — 0-1 — Leipzig GER
1954 — Kramer, Haije vs Mulcahy, Edmond — 1-0 — Munich GER
1955 — Bartel, Helmut vs Schlaugat, Michael — 0-1 — cr.
1958 — Pelikán, Jiří vs Piazzini, Luis — 1/2-1/2 — Buenos Aires ARG
1958 — Rhodin, Bodo vs Rellstab, Ludwig — 1/2-1/2 — Hamburg GER
9…Bb7 — 3.7% (46 parties)
1966 — Derhy Menie Mbele Jean vs Rolland, Pierre — 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 — 0-1 — Buenos Aires ARG
9…Be6 — 2.2% (28 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, Aleksa 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