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- 5...cxd4 (not 6.g3, 6.e4, 6.e3), D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D41 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6 - Queen's Gambit Declined: Semi-Tarrasch Defense, SÉRIE D
10. Sinquefield Cup 2023 – Round 1.5 – So, Wesley – 1/2-1/2 – Firouzja, Alireza – G4

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- 4.g3 d5, 5.cxd5, A10-A39 English Opening, A35 - 1. c4 c5 2. Nc3 Nc6 - English Opening: Symmetrical Variation, Two Knights Variation, A35 - 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 - English Opening: Symmetrical Variation, Four Knights Variation, SÉRIE A
10. Sinquefield Cup 2023 – Round 2.1 – Nepomniachtchi, Ian – 1/2-1/2 – Dominguez Perez, Leinier – G5

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- 5.e3 O-O, 6.b3, D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined, D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 - Queen's Gambit Declined: Three Knights Variation, D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 - Queen's Gambit Declined: Barmen Variation, SÉRIE D
10. Sinquefield Cup 2023 – Round 3.3 – Aronian, Levon – 1/2-1/2 – Nepomniachtchi, Ian – G11

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- (not 11.Nbd2, 11.Ng5), 9...Bb7 10.d4 Re8, C90-C99 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 Ruy Lopez, closed, C92 - 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 - Ruy Lopez: Closed, SÉRIE C
10. Sinquefield Cup 2023 – Round 3.4 – Vachier-Lagrave, Maxime – 1/2-1/2 – Caruana, Fabiano – G12

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