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

Tata Steel Chess Masters

2026.01.17

GM Erigaisi Arjun (2759)

GM Erdogmus, Yagiz Kaan (2716)

Result 0-1

Opening A20

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OneWeek GM-A

2026.01.23

GM Siddharth, Jagadeesh (2497)

IM Dudognon, Thibault (2323)

Result 1-0

Opening A20

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Round 3: Bu, Xiangzhi - Huang, Renjie

2025.08.29

GM Bu, Xiangzhi (2651)

Huang, Renjie (2507)

Result 0-1

Opening A20

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2025年中国国际象棋甲级联赛总决赛主客场

2025.10.24

GM Liu, Yan (2486)

GM Xu, Yi (2456)

Result 1/2-1/2

Opening A20

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III Itt Temuco 2026

2026.01.14

GM Elias Reyes, Jorge Roberto (2505)

IM Flores Quillas, Diego Saul Rodri (2398)

Result 1-0

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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Round 4: Ghasi, Ameet K - Harvey, Marcus R

2026.01.11

GM Ghasi, Ameet K (2490)

IM Harvey, Marcus R (2464)

Result 1/2-1/2

Opening A20

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Deutsche Schach-Bundesliga

2026.01.11

GM Klimkowski, Jan (2501)

GM Burg, Twan (2493)

Result 1-0

Opening A20

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Schachbundesliga Saison 2025/2026

2026.01.10

GM Mamedyarov, Shakhriyar (2720)

GM Bjerre, Jonas Buhl (2615)

Result 1/2-1/2

Opening A20

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Open de Roquetas 2026

2026.01.06

GM Ghosh, Diptayan (2551)

IM Ilinca, Felix-Antonio (2507)

Result 1/2-1/2

Opening A20

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