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

Grand Prix PlusCity Rapid
2025.05.30
GM Glek, Igor (2424)
GM Iturrizaga Bonelli, Eduardo (2595)
Result 1-0
Opening B20
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French Open Rapid 2025
2025.06.14
IM Shirazi, Kamran (2205)
IM Materia, Marco (2530)
Result 0-1
Opening B20
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Coop Saaremaa Rapid 2025
2025.06.01
GM Golubka, Petro (2339)
GM Kulaots, Kaido (2459)
Result 0-1
Opening B20
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European Championship 2025
2025.03.19
GM Gumularz, Szymon (2608)
IM Pasztor, Balazs (2402)
Result 1/2-1/2
Opening B20
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FIDE World Rapid Team
2025.06.12
IM Roberson, Peter T (2438)
GM Klimkowski, Jan (2501)
Result 0-1
Opening B20
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FIDE World Bl Team Pool B
2025.06.14
IM Roberson, Peter T (2438)
GM Saric, Ivan (2623)
Result 0-1
Opening B20
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Dubai Open 2025
2025.05.31
Zhang, Di (2447)
IM Ayush Sharma (2426)
Result 0-1
Opening B20
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SixDays Budapest January 2025 | GM B
2025.01.29
IM Zverev, Lev (2497)
IM Rathanvel, V S (2492)
Result 0-1
Opening B20
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Aeroflot Open A 2025
2025.03.05
IM Usov, Aleksandr E. (2471)
IM Kamalidenova, Meruert (2413)
Result 1-0
Opening B20
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Chess Stars 5.0 Rapid
2025.06.27
GM Lagno, Kateryna (2506)
GM Sadhwani, Raunak (2645)
Result 0-1
Opening B20
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