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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B53c - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B53d - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 - Sicilian Defense: Chekhover Variation, B53h - 4...a6 5.c4 (not 5...Nc6), SÉRIE B 1.e4 2....
? 1998 – Round ? – Kasparov, Garry – 1-0 – Calle Verdugo, Matias Nickolas – G53

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B53c - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B53d - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 - Sicilian Defense: Chekhover Variation, B53h - 4...a6 5.c4 (not 5...Nc6), SÉRIE B 1.e4 2....
11. Tal Mem Blitz 2018 – Round 8.7 – Karjakin, Sergey – 1-0 – Nepomniachtchi, Ian – G56

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B53c - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B53d - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 - Sicilian Defense: Chekhover Variation, B53h - 4...a6 5.c4 (not 5...Nc6), SÉRIE B 1.e4 2....
40. Olympiad Open 2012 – Round 8.12 – Macieja, Bartlomiej – 1/2-1/2 – Kozul, Zdenko – G447

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B53c - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B53d - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 - Sicilian Defense: Chekhover Variation, B53h - 4...a6 5.c4 (not 5...Nc6), SÉRIE B 1.e4 2....
45. Biel GM 2012 – Round 1 – Carlsen, Magnus – 1/2-1/2 – Nakamura, Hikaru – G3

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B53c - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B53d - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 - Sicilian Defense: Chekhover Variation, B53h - 4...a6 5.c4 (not 5...Nc6), SÉRIE B 1.e4 2....
Biel Interzonal 1993 – Round 5 – Kamsky, Gata – 1/2-1/2 – Gelfand, Boris – G119

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B53c - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B53d - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 - Sicilian Defense: Chekhover Variation, B53h - 4...a6 5.c4 (not 5...Nc6), SÉRIE B 1.e4 2....
FIDE World Cup 2015 – Round 7.3 – Svidler, Peter – 0-1 – Karjakin, Sergey – G425

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B53c - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B53d - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 - Sicilian Defense: Chekhover Variation, B53h - 4...a6 5.c4 (not 5...Nc6), SÉRIE B 1.e4 2....
World Blitz 2017 – Round 16.2 – Karjakin, Sergey – 1-0 – Korobov, Anton – G825

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B53c - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B53d - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 - Sicilian Defense: Chekhover Variation, B53h - 4...a6 5.c4 (not 5...Nc6), SÉRIE B 1.e4 2....
World Blitz 2018 – Round 5.11 – Savchenko, Boris – 0-1 – Artemiev, Vladislav – G272

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B53c - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B53d - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 - Sicilian Defense: Chekhover Variation, B53h - 4...a6 5.c4 (not 5...Nc6), SÉRIE B 1.e4 2....
World Blitz Final 2012 – Round 15 – Carlsen, Magnus – 1/2-1/2 – Gelfand, Boris – G112

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