A20 - English: 1...e5 (Reversed Sicilian)

Variation: English: 1...e5 (Reversed Sicilian)

Initial Move: Effectively a Sicilian Defense played with an extra move for White. This provides a slight tempo advantage in one of the most theoretically rich opening systems. Learn this opening step by step

Hotel Stockholm North by First hotels young talents -GM tournament
2025.04.30
IM Kaasen, Tor Fredrik (2499)
IM Seo, Jung Min (2503)
Result 1/2-1/2
Opening A20
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Begonia Open 2026
2026.03.09
IM Radovanovic, Mihajlo (2374)
GM Kuybokarov, Temur (2534)
Result 0-1
Opening A20
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Rond 8: Smith, Axel - Seo, Jung Min
2026.03.07
GM Smith, Axel (2428)
IM Seo, Jung Min (2503)
Result 1/2-1/2
Opening A20
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Rond 2: Smith, Axel - Sipila, Vilka
2025.11.29
GM Smith, Axel (2428)
IM Sipila, Vilka (2474)
Result 0-1
Opening A20
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AMP-M
2026.03.06
IM Baum, Jonasz (2460)
FM Turski, Bartlomiej (2397)
Result 0-1
Opening A20
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Saint Louis Masters
2026.02.28
GM Dudin, Gleb (2560)
IM Lu, Maximillian (2461)
Result 0-1
Opening A20
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Budapest Spring Festival
2026.03.07
GM Seemann, Jakub (2515)
GM Lalit Babu M R (2489)
Result 1-0
Opening A20
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Budapest Spring Festival
2026.02.27
IM Manea, Alexandru (2255)
IM Xiang, Zeyu (2485)
Result 0-1
Opening A20
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PICF 2026 - KAREL JANECEK Open
2026.03.03
GM Zhao, Jun (2538)
FM Vardanyan, Aras (2394)
Result 1-0
Opening A20
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new tournament description
2026.03.01
IM Keinanen, Toivo (2498)
IM Sipila, Vilka (2474)
Result 1/2-1/2
Opening A20
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