B23r — Closed, Grand Prix (1907)
1.e4 c5 2.Nc3 Nc6 3.f4 e6 4.Nf3 d5
Les coups candidats
5.Bb5 — 71.8% (3535 parties)
Ambassadeurs : Koronowski, Heinz-Juergen (17x), Zinn, Lothar (12x), Niebling, Ferdinand (10x), Hebden, Mark L (8x), Szell, Lajos (7x), Kolanek, Roman (6x), Bangiev, Alexander (5x), Hickl, Joerg (5x)
5.d3 — 9.1% (447 parties)
Ambassadeurs : Pytlik, Pavol (3x), Seret, Jean-Luc (2x), Rombaldoni, Axel (2x), Karapetyan, Tigran (2x), Kosovska, Olena (2x), Zaitsev, Igor A (1x), Spassky, Boris V. (1x), Hevizi, Laszlo Dr (1x)
5.e5 — 8.7% (428 parties)
Ambassadeurs : Lazarevic, Milunka (3x), Bulgarini Torre, Marco (3x), Wood, Walter H Dr (3x), Aronin, Lev (2x), Zatulovskaya, Tatiana (2x), Migadde Davis (2x), Vencl, Radivoje (2x), Bernales, Christy Lamiel (2x)
5.exd5 — 8.5% (419 parties)
Ambassadeurs : Malmstroem, Jan Hendrik (3x), Gyongyosi, Peter Laszlo (3x), Tumurbator, Purev (2x), Hiermann, Dietmar (2x), Leentjens, Gilbert (2x), Reed, Arthur F. (2x), Barrish, Daniel (2x), House, Glenn L (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Bb5 5.d3 5.e5 5.exd5
<1800 436 62% 8% 14% 14%
1800-2200 2559 70% 10% 10% 9%
2200-2600 1217 81% 8% 4% 5%
2600+ 7 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 5.Bb5 5.d3 5.e5 5.exd5
1950s 31 87% 6% 3% 3%
1960s 72 81% 1% 11% 7%
1970s 120 81% 4% 7% 7%
1980s 172 78% 6% 5% 8%
1990s 922 73% 8% 9% 8%
2000s 1497 68% 10% 10% 10%
2010s 1664 71% 10% 9% 8%
2020s 445 77% 8% 6% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Bb5 71% 77% ▲ +5.9%
5.d3 10% 8% ▼ -2.1%
5.e5 9% 6% ▼ -3.3%
5.exd5 8% 7% ▼ -0.9%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
5.Bb5 — 71.8% (3535 parties)
1950 — Karacsonyi, Laszlo vs Soos, Bela — 1-0 — Marosvasarhely
1950 — Tranmer, Eileen vs Hermanova, Roza — 1-0 — Moscow RUS
1951 — Zamora Lima, Hazael vs Letelier Martner, Rene — 0-1 — ?
1951 — Kasparian, Genrikh vs Goldberg, Grigory — 1-0 — Baku AZE
1952 — Dantas, Nelson vs Bolbochan, Julio — 0-1 — Rio de Janeiro BRA
5.d3 — 9.1% (447 parties)
1953 — Nurme, U. vs Engel, Josef — 0-1 — Montreal CAN
1959 — Hevizi, Laszlo Dr vs Portisch, Lajos — 0-1 — HUN-ch Budapest HUN
1962 — Zaitsev, Igor A vs Spassky, Boris V. — 0-1 — Erevan ch-URS
1970 — Florian, Jaromir vs Zamecnik, Bohuslav — 1-0 — Harrachov
1972 — Novotny, Josef vs Zavodny, Zdenek — 0-1 — Brno CZE
5.e5 — 8.7% (428 parties)
1952 — Aronin, Lev vs Kan, Ilya — 1/2-1/2 — Moskou ch-URS
1962 — Aronin, Lev vs Padevsky, Nikola — 0-1 — Moscow RUS
1962 — Gordon Noel Pires vs Whittemore — 1-0 — So California
1964 — Volf, Jaroslav vs Vavruska, Antonin — 1-0 — CSR-ch Army Prague CZE
1964 — De Souza Mendes, Joao vs Rocha, Antonio — 0-1 — Brasilia BRA
5.exd5 — 8.5% (419 parties)
1952 — Dantas, Nelson vs Rabar, Braslav — 0-1 — Rio de Janeiro BRA
1960 — Sucha, Ruzena vs Gaprindashvili, Nona — 0-1 — Tbilisi GEO
1965 — Suesman, Walter B vs Barry Dickson — 1/2-1/2 — Rhode Island
1965 — Molarius, Reijo vs Roenning, Svante — 0-1 — Finland ch corr
1968 — Kogrkhan vs Kamensky, Vitaly — 0-1 — ?