B20 - Sicilian Defence: Unusual / 2.a3

Variation: Sicilian Defence: Unusual / 2.a3

Initial Move: The starting point for the most popular and complex response to 1.e4. It creates immediate asymmetry and offers chances for a win for both sides. Learn this opening step by step

FIDE World Rapid Team
2025.06.12
IM Roberson, Peter T (2438)
GM Dudin, Gleb (2560)
Result 0-1
Opening B20
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25. Dubai Open A 2025
2025.06.04
IM Neelash Saha (2472)
GM Iniyan, Pa (2591)
Result 1/2-1/2
Opening B20
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2025 NY GM-IM Presidents’ Day Invitational | GM-A
2025.02.16
IM Park, Evan (2448)
IM Stearman, Josiah (2464)
Result 0-1
Opening B20
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Chess Sin Fronteras IM Norm 2025
2025.02.17
IM Jimenez Garcia, Emmanuel (2380)
FM Deng, Henry (2298)
Result 1/2-1/2
Opening B20
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FIDE World Rapid Team
2025.06.12
IM Rakotomaharo, Fy Antenaina (2426)
IM Samadov, Read (2524)
Result 1/2-1/2
Opening B20
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European Women's Chess Championship 2024 | Blitz
2025.01.10
IM Vega Gutierrez, Sabrina (2363)
FM Toncheva, Nadya (2408)
Result 0-1
Opening B20
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FIDE World Bl Team Pool C
2025.06.14
GM Erdogmus, Yagiz Kaan (2716)
IM Mortazavi,A (2333)
Result 1-0
Opening B20
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Battle of Champions 2025 | Rapid Men
2025.04.28
GM Kasimdzhanov, Rustam (2665)
GM Mamedov, Rauf (2631)
Result 1/2-1/2
Opening B20
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TCh-CZE 1 Liga Vychod
2025.01.05
GM Baidetskyi, Valentin (2511)
GM Shengelia, David (2507)
Result 1/2-1/2
Opening B20
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GCT Blitz YourNextMove
2018.06.16
GM Caruana, Fabiano (2789)
GM So, Wesley (2774)
Result 0-1
Opening B20
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