C86h - 6…b5 7.Bb3 O-O 8.c3 d6 9.d4 - Worrall Attack [+0.05]

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C86h — 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.d4
Eval: [+0.05]
Les coups candidats
9…Bg4 — 80.5% (713 parties)
Ambassadeurs : Dorawa, Bernhard (8x), Guliev, Logman (8x), Mathes, Werner (7x), Bagirov, Vladimir (6x), Chorfi, Khaled (6x), Estrada Nieto, Julian (6x), Alekhine, Alexander (5x), Reti, Richard (5x)
9…exd4 — 9.5% (84 parties)
Ambassadeurs : Mathes, Werner (3x), Karpov, Aleksandr (2x), Unzicker, Wolfgang (2x), Wells, Peter K (2x), Saunders, Harold (1x), Cadman, Chuck (1x), Panov, Vasily (1x), Lilienthal, Andor (1x)
9…Bb7 — 6.1% (54 parties)
Ambassadeurs : Kveinys, Aloyzas (2x), Kienast, Joerg (2x), Psakhis, Lev (2x), Novik, Maxim (2x), Charlesworth, Neyra (1x), Znosko-Borovsky, Eugene (1x), Chekhover, Vitaly (1x), Lisitsin, Georgy (1x)
9…Nd7 — 1.5% (13 parties)
Ambassadeurs : Medina-Garcia, Antonio (2x), Letelier Martner, Rene (2x), Bellod Thomas, Gonzalo (1x), Szabo, Ladislav (1x), Cuijpers, Frans Andre (1x), De Vreugt, Dennis (1x), Seminara, Juan Pablo (1x), Miguel, Luis O (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Bg4 9…exd4 9…Bb7 9…Nd7
<1800 17 82% 6% 6% —
1800-2200 219 81% 10% 5% 2%
2200-2600 363 80% 7% 8% 1%
2600+ 20 90% — 10% —
Évolution par décennie (% des parties)
Décennie N parties 9…Bg4 9…exd4 9…Bb7 9…Nd7
1910s 6 83% 17% — —
1920s 13 85% 8% 8% —
1930s 7 86% — — —
1940s 26 81% 8% 8% 4%
1950s 36 78% 8% 3% 6%
1960s 53 77% 15% 4% —
1970s 23 74% 17% — —
1980s 26 85% 12% — —
1990s 262 81% 11% 5% 2%
2000s 221 81% 8% 7% 2%
2010s 198 80% 8% 9% 1%
2020s 15 80% 13% 7% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Bg4 80% 80% -0.3%
9…exd4 8% 13% ▲ +5.8%
9…Bb7 9% 7% ▼ -1.9%
9…Nd7 1% 0% ▼ -1.0%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 5 parties
Karpov, Aleksandr — 3 parties
Anand, Viswanathan — 3 parties
Euwe, Max — 2 parties
Botvinnik, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
9…Bg4 — 80.5% (713 parties)
1911 — Anderlitzka, F. vs Barton, James — 1-0 — Plzen CZE
1912 — Freiman, Andy vs Salwe, Georg — 1-0 — RUS-ch Vilnius LTU
1917 — Asztalos, Lajos vs Schlechter, Carl — 1-0 — Wien IX.Trebitsch
1919 — Reti, Richard vs Van Hoorn, Casper — 1-0 — Amsterdam VAS
1919 — Jaffe, Charles vs Chajes, Oscar — 1/2-1/2 — Troy
9…exd4 — 9.5% (84 parties)
1910 — Thoenes vs Barasz, Zsigmond — 1-0 — Hamburg GER
1929 — Saunders, Harold vs Cadman, Chuck — 1-0 — Scarborough ENG
1946 — Panov, Vasily vs Lilienthal, Andor — 0-1 — Moscow RUS
1947 — Thomas, George Alan vs Wood, Gabriel — 1-0 — Harrogate
1950 — Bobekov, Radko vs Petrov, Petar — 1-0 — Sofia BUL
9…Bb7 — 6.1% (54 parties)
1929 — Panov, Vasily vs Rabinovich, Alexander — 1-0 — Moscow RUS
1947 — Charlesworth, Neyra vs Znosko-Borovsky, Eugene — 1-0 — Harrogate
1947 — Chekhover, Vitaly vs Lisitsin, Georgy — 1/2-1/2 — Leningrad RUS
1952 — Tsiknopoulos, Konstantinos vs Pytlakowski, Andrzej — 1/2-1/2 — Helsinki FIN
1962 — Bagirov, Vladimir vs Georgescu, Vasile Sr — 1/2-1/2 — Marianske Lazne
9…Nd7 — 1.5% (13 parties)
1946 — Bellod Thomas, Gonzalo vs Szabo, Ladislav — 1/2-1/2 — Zaanstreek
1953 — Medina-Garcia, Antonio vs Letelier Martner, Rene — 1-0 — Mar del Plata ARG
1953 — Medina-Garcia, Antonio vs Letelier Martner, Rene — 1-0 — Mar del Plata ARG
1993 — Kaminski, Marcin vs Murdzia, Piotr — 1/2-1/2 — Lubniewice POL
1994 — Shetty Rahul vs Gokhale, Jayant Suresh — 1-0 — Indianapolis, IN USA