C98i - 13.d5 Nd8 14.a4 - Closed Chigorin

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C98i — Closed Chigorin
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 13.d5 Nd8 14.a4
Eval: [+1.04]
Les coups candidats
14…Rb8 — 92.7% (741 parties)
Ambassadeurs : Zielinski, Sergej (19x), Rubil, Marko (13x), Grotnes, Nils Ragnar (12x), Evans, Gordon R Dr (7x), Tuma, Jiri (7x), Kovachev, Daniel Jakobsen (7x), Skalický, Frantisek (7x), Hernandez Onna, Roman (6x)
14…Qb7 — 2.3% (18 parties)
Ambassadeurs : Rowies, Antoine Rene S. (3x), Nikolic, Zivoslav (2x), Struhar, Jan (2x), Bierwisch, Bernhard (2x), Stambulian, Arsen (2x), Euwe, Max (1x), Van den Hoek, Arnold (1x), Popovic, Petar (1x)
14…Bb7 — 1.5% (12 parties)
Ambassadeurs : Matulovic, Milan (2x), Yanofsky, Daniel Abraham (1x), Pesantes, Carlos (1x), Govedarica, Radovan (1x), Rocha, Antonio (1x), Segal, Alexandru Sorin (1x), Gheorghiu, Florin (1x), Asrian, Karen (1x)
14…b4 — 1.4% (11 parties)
Ambassadeurs : Rosselli del Turco, Stefano (1x), Lasker, Berthold (1x), Capablanca, Jose (1x), Milan Vidmar (1x), Bech Johansson, Amadeus (1x), Rey Ardid, Ramon (1x), Nagy, Geza (1x), Makarczyk, Kazimierz (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 14…Rb8 14…Qb7 14…Bb7 14…b4
<1800 10 90% — 10% —
1800-2200 225 96% 1% 1% 1%
2200-2600 362 93% 3% 1% 1%
2600+ 8 88% 12% — —
Évolution par décennie (% des parties)
Décennie N parties 14…Rb8 14…Qb7 14…Bb7 14…b4
1900s 1 100% — — —
1920s 9 67% — — 33%
1930s 9 78% — — 11%
1940s 5 80% 20% — —
1950s 8 88% — — 12%
1960s 8 100% — — —
1970s 50 86% — 6% —
1980s 52 92% 4% 2% 2%
1990s 87 87% 6% 1% 2%
2000s 273 94% 3% 1% 0%
2010s 267 96% 0% 1% 1%
2020s 30 97% 3% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
14…Rb8 96% 97% ▲ +0.8%
14…Qb7 0% 3% ▲ +3.0%
14…Bb7 1% 0% ▼ -1.1%
14…b4 1% 0% ▼ -0.7%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 4 parties
Euwe, Max — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
14…Rb8 — 92.7% (741 parties)
1908 — Von Bardeleben, Curt vs Spielmann, Rudolf — 0-1 — Duesseldorf GER
1924 — Blake, Joseph vs Mackenzie, Arthur J — 1-0 — Weston-super-Mare
1925 — Bogoljubow, Efim vs Rubinstein, Akiba — 1/2-1/2 — Breslau GER
1925 — Bogoljubow, Efim vs Rubinstein, Akiba — 1/2-1/2 — Baden-Baden GER
1926 — Bogoljubow, Efim vs Rubinstein, Akiba — 1/2-1/2 — Berlin GER
14…Qb7 — 2.3% (18 parties)
1942 — Euwe, Max vs Van den Hoek, Arnold — 1-0 — NLD-ch m The Hague NED
1982 — Jansa, Vlastimil vs Nikolic, Zivoslav — 1/2-1/2 — Vrnjacka Banja SRB
1989 — Popovic, Petar vs Nikolic, Zivoslav — 1/2-1/2 — Yugoslavia
1991 — Haese, Gerhard vs Bierwisch, Bernhard — 1-0 — Germany ch-23 prel-8
1992 — Graf, Christian vs Bierwisch, Bernhard — 1/2-1/2 — Germany ch-23 prel-8
14…Bb7 — 1.5% (12 parties)
1970 — Gheorghiu, Florin vs Matulovic, Milan — 1-0 — Skopje MKD
1972 — Yanofsky, Daniel Abraham vs Pesantes, Carlos — 0-1 — Skopje olm
1978 — Matulovic, Milan vs Govedarica, Radovan — 1-0 — Odzaci
1984 — Rocha, Antonio vs Segal, Alexandru Sorin — 1/2-1/2 — Cabo Frio
1993 — Asrian, Karen vs Maros, Milan — 1/2-1/2 — Wch U16 Bratislava SVK
14…b4 — 1.4% (11 parties)
1927 — Rosselli del Turco, Stefano vs Lasker, Berthold — 1/2-1/2 — ?
1927 — Capablanca, Jose vs Milan Vidmar — 1-0 — New York, NY USA
1928 — Nagy, Geza vs Makarczyk, Kazimierz — 1-0 — The Hague NED
1935 — Bech Johansson, Amadeus vs Rey Ardid, Ramon — 1-0 — corr
1955 — Frezouls, Christian vs Roethel, Michel — 1/2-1/2 — Toulouse FRA