this post was submitted on 20 Aug 2024
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Chess

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September 2023

# Player Country Elo
1 Magnus Carlsen ๐Ÿ‡ณ๐Ÿ‡ด 2839
2 Fabiano Caruana ๐Ÿ‡บ๐Ÿ‡ธ 2786
3 Hikaru Nakamura ๐Ÿ‡บ๐Ÿ‡ธ 2780
4 Ding Liren ๐Ÿ† ๐Ÿ‡จ๐Ÿ‡ณ 2780
5 Alireza Firouzja ๐Ÿ‡ซ๐Ÿ‡ท 2777
6 Ian Nepomniachtchi ๐Ÿ‡ท๐Ÿ‡บ 2771
7 Anish Giri ๐Ÿ‡ณ๐Ÿ‡ฑ 2760
8 Gukesh D ๐Ÿ‡ฎ๐Ÿ‡ณ 2758
9 Viswanathan Anand ๐Ÿ‡ฎ๐Ÿ‡ณ 2754
10 Wesley So ๐Ÿ‡บ๐Ÿ‡ธ 2753

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[โ€“] [email protected] 10 points 2 months ago (1 children)

Black queen takes the knight on C3, putting white in check while threatening the rook. With the bishop on A4 and the knight on D4, the white king can only move to F1/2. Blocking with the bishop is ineffective since then the queen will just take the rook to maintain check.

When the king is moved (regardless if F1 or 2), the black knight moves to H7, opening the column for check through the rook, while threatening the queen. Queen can't block on F4 (unprotected), so the white king has to make a run for it or use the knight to block, white queen is gone, white rook and bishop still threatened through the black queen.

[โ€“] [email protected] 5 points 2 months ago (1 children)

Very good! Blocking with bd2 actually allows you to extend this to a mate in 12 but as you mentioned itโ€™s easy to see after Qxa1. Stockfish gives the initial position #9 which follows pretty much exactly as you stated. The only reason itโ€™s 9 is because white can extend by either sacrificing the queen on g7 or giving a pawn check on h7. After the f file is open white is simply throwing all their pieces in the way to extend the mate.

[โ€“] [email protected] 3 points 2 months ago

That reminds me, I need to look up proper chess notations. I've been casually playing for years but never really got around to memorizing it ๐Ÿ˜