C95e — Spanish: Closed, Breyer, Arseniev, 11…c6

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 Nb8 10.d4 Nbd7 11.c4 c6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nc3 (Développer b1 — 48 % des parties) ; Qc2 (18 % des parties) ; c5 (Frapper le centre adverse — 13 % des parties) ; a3 (Préparer expansion aile dame — 12 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...b4 (Expansion aile dame — 42 % des parties) ; ...Bb7 (Développer c8 — 24 % des parties) ; ...Qc7 (20 % des parties) ; ...bxc4 (Capture en c4, Frapper le centre adverse — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→h3	● a6→b5, c6→b5, d6→e5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb3	● Bb3 Mauvais (mob. 2)
Be7		● Be7 Ok (mob. 0)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● d4-d5	● …c6-c5, ● …d6-d5

Partie
1955 URS Ch sf – Round 1 – Ravinsky, Grigory – 0-1 – Lutikov, Anatoly S – G63 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1955 URS Ch sf – Round 1 – Tal, Mikhail – 1/2-1/2 – Zurakhov, Vladlen Y – G11 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 Nb8 10. d4 Nbd7
1959 HUN Ch Budapest HUN – Round 15 – Foldi, Jozsef – 1/2-1/2 – Barcza, Gedeon – G62 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1959 Zuerich – Round 1 – Walther, Edgar – 0-1 – Unzicker, Wolfgang – G60 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1960 Berg en Dal zt – Round 3 – Dueckstein, Andreas – 1/2-1/2 – Teschner, Rudolf – G5 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 Nb8 10. d4 Nbd7
1960 Clare Benedict Cup 07th – Round 4 – Unzicker, Wolfgang – 1/2-1/2 – Beni, Alfred – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1960 Leipzig olm fin-A – Round 4 – Lombardy, William J – 1/2-1/2 – Matanovic, Aleksandar – G71 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1961 Debrecen – Round 1 – Boleslavsky, Isaac – 1/2-1/2 – Padevsky, Nikola – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1961 GDR Ch Premnitz GER – Round 8 – Pietzsch, Wolfgang – 1/2-1/2 – Fuchs, Reinhart – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1961 Katowice ch18-POL – Round 16 – Kostro, Jerzy – 1-0 – Gniot, Tadeusz – G93 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1961 Moskou – Round 1 – Averbakh, Yuri L – 1-0 – Furman, Slavomir – G89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1961 URS-ch28 – Round ? – Averbakh, Yuri L – 1-0 – Abramovich Furman, Semyon – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1961 URS-ch28 – Round ? – Averbakh, Yuri L – 1-0 – Furman, Semyon – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1962 Leningrad – Round 1 – Zakharov, Alexander V – 1-0 – Vitolinsh, Alvis – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1962 Stockholm Interzonal – Round 19 – German, Eugenio – 1-0 – Cuellar Alpire, Mariana – G171 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1963 Alekhine Memorial – Round 10 – Pietzsch, Wolfgang – 0-1 – Liberzon, Vladimir M – G71 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1963 Amsterdam – Round 5 – Lehmann, Heinz – 1-0 – Hartoch, Robert G – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1963 Capablanca Memorial – Round 6 – Geller, Efim P – 1/2-1/2 – Darga, Klaus – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1963 ENG-NLD m – Round 1.8 – Hindle, Owen M – 0-1 – Hartoch, Robert G – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1963 Enschede zt – Round 1 – Gligorić, Svetozar – 1/2-1/2 – Darga, Klaus – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1963 Hastings6364 – Round 7 – Gligoric, Sofija – 1/2-1/2 – Bely, Matthieu – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1963 Leningrad ch-URS – Round ? – Klovans, Janis – 1/2-1/2 – Korchnoi, Viktor – G163 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1963 Leningrad ch-URS – Round 1 – Gufeld, Eduard – 1/2-1/2 – Stein, Leon Rico – G110 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 Nb8 10. d4 Nbd7
1963 Luzern Clare Benedic – Round ? – Penrose, Jonathan – 1/2-1/2 – Unzicker, Wolfgang – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1963 Piatigorsky Cup – Round 2 – Gligorić, Svetozar – 1-0 – Petrosian, Tigran V – G4 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 Nb8 10. d4 Nbd7
1964 Amsterdam Interzonal – Round 11 – Quinones Carrillo, Oscar – 0-1 – Reshevsky, Samuel – G110 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1964 Amsterdam Interzonal – Round 7 – Bronstein, David I – 1/2-1/2 – Gligorić, Svetozar – G66 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1964 Amsterdam Interzonal – Round 7 – Stein, Leonid – 1/2-1/2 – Pachman, Ludek – G67 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1964 Bordeaux Open Bordeaux FRA – Round 6 – Matanovic, Aleksandar – 1/2-1/2 – O'Kelly de Galway, Alberic – G40 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1964 Capablanca Memorial – Round 11 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Robatsch, Karl – G113 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 Nb8 10. d4 Nbd7
1964 Sarajevo BIH – Round 13 – Bogdanovic, Rajko – 1/2-1/2 – Pachman, Ludek – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1964 WchT U26 11. fin-A – Round 10.4 – Spassov, Liuben – 0-1 – Kristensen, Leif – G184 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. c3 d6 9. h3 Nb8 10. d4 Nbd7
1964 Zagreb – Round 11 – Nemet, Ivan – 1/2-1/2 – Matanovic, Aleksandar – G60 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1965 Corr – Round ? – Palmo, Pentti – 1-0 – Book, Eero – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1965 Hamburg etc – Round 10 – Gheorghiu, Florin – 1/2-1/2 – Portisch, Lajos – G154 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1965 Mar del Plata – Round 3 – Pilnik, Herman – 0-1 – Panno, Oscar – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1966 Asztalos Memorial 9th – Round 10 – Haag, Ervin – 1-0 – Lengyel, Levente – G53 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1966 Le Havre – Round 1 – Dueckstein, Andreas – 1/2-1/2 – Krogius, Nikolai V – G33 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 Nb8 10. d4 Nbd7
1966 Santa Monica – Round 2 – Fischer, Robert J – 1/2-1/2 – Portisch, Lajos – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1967 Corr – Round ? – Johansson, Martin 1979 – 1/2-1/2 – Altmae, Mart – G9 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 Nb8 10. d4 Nbd7
1967 Sousse Interzonal – Round 22 – Gipslis, Aivars – 1/2-1/2 – Portisch, Lajos – G207 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1969 IBM – Round 13 – Byrne, Ray – 1/2-1/2 – Darga, Klaus – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1969 Rhyl ch-BCF – Round 7 – Horton, Michael Howard – 1/2-1/2 – Clarke, Paul R H – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1970 Palma de Mallorca Interzonal – Round 1 – Geller, Efim P – 1/2-1/2 – Portisch, Lajos – G214 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1971 Hoogovens – Round 6 – Huebner, Robert – 1/2-1/2 – Lengyel, Laszlo – G173 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1971 Moscow – Round 1 – Tukmakov, Vladimir B – 1/2-1/2 – Karpov, Anatoly – G188 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1971 Moscow – Round 12 – Tukmakov, Vladimir B – 1/2-1/2 – Karpov, Anatoly – G194 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 Nb8 10. d4 Nbd7
1971 Moscow – Round 6 – Geller, Efim P – 1/2-1/2 – Karpov, Anatoly – G192 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
1973 Leningrad Interzonal – Round 3 – Tukmakov, Vladimir B – 0-1 – Karpov, Anatoly – G110 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
20. European Teams 2015 – Round 6.14 – Bologan, Victor – 1-0 – Olafsson, Halldor – G252 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 Nb8 10. d4 Nbd7
42. Olympiad 2016 – Round 9.5 – Shirov, Alexei – 1-0 – Beliavsky, Alexander G – G658 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
5. Kings Tournament 2011 – Round 6 – Nakamura, Hikaru – 1/2-1/2 – Carlsen, Magnus – G16 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 Nb8 10. d4 Nbd7
78. Tata Steel GpA 2016 – Round 12.4 – Wei, Yi – 1/2-1/2 – Mamedyarov, Shakhriyar – G81 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
American Cup Blitz 2022 – Round 9.6 – Kevlishvili, Robby – 1-0 – Oparin, Grigoriy – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
Belgrade 1987 – Round 1 – Timman, Jan H – 0-1 – Beliavsky, Alexander G – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
FIDE Grand Swiss 2025 – Round 9 – Pranav V – 0-1 – Tabatabaei M. Amin – G477 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Nb8 10. h3 Nbd7
Linares 1989 – Round 1 – Hjartarson, Johann – 1-0 – Beliavsky, Alexander G – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
Lindores Abbey Tal Memorial 2021 – Round 18.33 – Ter-Sahakyan, Samvel – 1-0 – Ponomariov, Ruslan – G772 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
Portoroz playoff 1973 – Round 2 – Geller, Efim P – 0-1 – Portisch, Lajos – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
World Blitz 2018 – Round 17.16 – Smirin, Ilia – 0-1 – Kamsky, Gata – G992 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7

C95e — Closed, Breyer, Arseniev (1955)

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 Nb8 10.d4 Nbd7 11.c4 c6

Les coups candidats

12.Nc3 — 48.5% (445 parties)

Ambassadeurs : Trofimov, Vladimir Markovich (6x), Anokhin, Yuri (6x), Potrata, Janko (5x), Usmanoff, Rustam (4x), Sarakenidis, Nikolaos (4x), Parshin, Vitaly Alekseevich (4x), Peut, Aart A. van de (4x), Soszynski, Marek J (3x)

12.Qc2 — 18.3% (168 parties)

Ambassadeurs : Timman, Jan H (5x), Beliavsky, Alexander G (4x), Santos Latasa, Jaime (4x), Hofer, Rudolf (3x), Michalczak, Thomas (3x), Tal, Mikhail (2x), Ambasa Ingrio (2x), Frolyanov, Dmitry (2x)

12.c5 — 13.3% (122 parties)

Ambassadeurs : Richter Elias Noel (3x), Pietzsch, Wolfgang (3x), Gligoric, Svetozar (3x), ? (3x), Bronstein, David I (2x), Liberzon, Vladimir M (2x), Padevsky, Nikola (2x), Gligoric, Sofija (2x)

12.a3 — 12.3% (113 parties)

Ambassadeurs : Macovei, Andrei (3x), Dueckstein, Andreas (2x), Robatsch, Karl (2x), Jimenez Zerquera, Eleazar (2x), Fraczek, Dariusz (2x), Pranav Anand (2x), Svetushkin, Dmitry (2x), Pruijssers, Roeland (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12.Nc3	12.Qc2	12.c5	12.a3
<1800	26	62%	8%	19%	12%
1800-2200	207	56%	21%	9%	11%
2200-2600	513	54%	19%	6%	14%
2600+	46	41%	35%	—	15%

Évolution par décennie (% des parties)

Décennie	N parties	12.Nc3	12.Qc2	12.c5	12.a3
1950s	4	25%	—	—	—
1960s	70	10%	—	63%	13%
1970s	60	10%	8%	38%	8%
1980s	24	4%	17%	54%	8%
1990s	21	24%	—	29%	19%
2000s	29	34%	14%	38%	—
2010s	506	62%	17%	4%	14%
2020s	203	51%	35%	2%	10%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12.Nc3	62%	51%	▼ -10.9%
12.Qc2	17%	35%	▲ +18.4%
12.c5	4%	2%	▼ -2.2%
12.a3	14%	10%	▼ -3.9%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 4 parties
Karpov, Anatoly — 4 parties
Carlsen, Magnus — 2 parties
Ding, Liren — 2 parties
Anand, Viswanathan — 1 partie
Hou, Yifan — 1 partie

Parties historiques

12.Nc3 — 48.5% (445 parties)

1959 — Walther, Edgar vs Unzicker, Ferdinand, Dr. — 0-1 — Zurich SUI
1962 — German, Eugenio vs Cuellar, Jorge — 0-1 — izt Stockholm
1962 — German, Eugenio vs Cuellar, Mario Exequiel — 1-0 — Stockholm izt
1963 — Geller, Efim P. vs Darga, Klaus — 1/2-1/2 — Havana CUB
1964 — Spassov, Liuben vs Kristensen, Leif — 0-1 — Krakow POL

12.Qc2 — 18.3% (168 parties)

1973 — Tal, Mikhail vs Timman, Jan H — 1/2-1/2 — Sochi RUS
1973 — Tal, Mikhail vs Timman, Jan H — 1/2-1/2 — Sochi RUS
1973 — Talj vs Timman, Jan H — 1/2-1/2 — Sotchi
1973 — Geller, Efim P. vs Portisch, Lajos — 0-1 — Portoroz izt plof
1975 — Hort, Vlastimil vs Lengyel, Levente — 1-0 — Tallinn EST

12.c5 — 13.3% (122 parties)

1960 — Tal, Mikhail vs Unzicker, Ferdinand, Dr. — 1-0 — Stockholm SWE
1961 — Djurasevic, Bozidar vs Aadhitha Karikalan — 1/2-1/2 — Belgrade SRB
1961 — Averbakh, Yuri L vs Furman, Semyon — 1-0 — Moscow RUS
1961 — Boleslavsky, Isaac vs Padevsky, Nikola — 1/2-1/2 — Debrecen HUN
1961 — Pietzsch, Wolfgang vs Fuchs, Reinhart — 1/2-1/2 — GDR-ch Premnitz GER

12.a3 — 12.3% (113 parties)

1960 — Dueckstein, Andreas vs Teschner, Rudolf — 1/2-1/2 — Berg en Dal A
1960 — Matanovic, Aleksandar vs Anay Barche — 1/2-1/2 — Budapest HUN
1962 — Minev, Nikolay N vs Ajanski, Jordan S — 1-0 — Sofia BUL
1963 — Penrose, Jonathan vs Unzicker, Ferdinand, Dr. — 1/2-1/2 — Luzern Clare Benedic
1964 — Jimenez Alastre Jorge Ernesto vs Robatsch, Karl — 1/2-1/2 — Havana CUB

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