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We got an "impossible" result in the 2018 #SinquefieldCup, as MagnusCarlsen, LevAronian and FabianoCaruana shared 1st place after an enthralling final day!

https://bit.ly/2NlQZyK

#c24live
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Levon Aronian's inspired rook sacrifice on f7 underscores how difficult it is to defend flawlessly when under pressure.

https://bit.ly/2BVJDAW
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Sinquefield Cup 2018 - Round 9

⚪️🇦🇲 Levon Aronian
⚫️🇷🇺 Alexander Grischuk

Result : 1-0

@UnityChess
Aronian,-Levon_vs_Grischuk,-Alexander_2018-08-27.pgn
4.7 KB
🔹 Aronian, Levon (2767) vs. Grischuk, Alexander (2766)-Sinquefield Cup 2018
🔹 PGN format
🔹 Analysed by Chess.com

@UnityChess
Hikaru Nakamura could be seen grimacing in the final minutes of the game before finally conceding to Magnus Carlsen. | Photo: Mike Klein/Chess.com.
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Sinquefield Cup 2018 - Round 9

⚪️🇳🇴 Magnus Carlsen
⚫️🇺🇸 Hikaru Nakamura

Result : 1-0

@UnityChess
Carlsen,-Magnus_vs_Nakamura,-Hikaru_2018-08-27.pgn
2.1 KB
🔹 Carlsen, Magnus (2842) vs. Nakamura, Hikaru (2777)-Sinquefield Cup 2018
🔹 PGN format
🔹 Analysed by Chess.com

@UnityChess
🔸15th Avicenna Cup A 2018
🔸Round 3
⚪️Moradi,Amirmasoud (2259)
⚫️Guliev,Logman (2342)
🔸0-1
29.Bd4??
White could have checkmated his opponent by force.
29. Qxg6+!! fxg6 30. f7+ Kh7 31. Ng5!+ hxg5 32. hxg5—>Rh4#
29... Nd6 30.Qxg6+ fxg6 31. f7+ Nxf7 32. Nf6+ Kh8 33. Ne8+ Bg7 34. Nxg7 Kg8 35. Rdf1 Nxc2 36.Bc3 Qd5 37. Rf6 Ne3 38. Rxg6 Nh8 39. Rf3 Qxf3 0-1
🔸15th Avicenna Cup A 2018
🔸Round 4
⚪️Salar,Milad (2247)
⚫️Mousavi,Seyed Khalil (2458)
🔸0-1
20.Be3?
Missing a golden opportunity.
White could have won a piece with the following continuation:
20. Rxe8+ Rxe8 21. Bxf5 Bxf5 22. Qxc7 Re1+ 23. Kg2 Qg6 24. f3 Bh3+ 25. Kf2 Rf1+ 26.Ke2 +-
20... Be5 21. Nxf5 Bxf5 22. Bxf5 Qxf5 23. Rad1=
🔸15th Avicenna Cup A 2018
🔸Round 4
⚪️Ilyasli,Ughur (2269)
⚫️Tahbaz,Arash (2449)
🔸0-1
17. Rxf5??
A miscalculation by 14-year-old Azeri player. It would have been better to choose one of the following lines:
A)17. g4
B)17. Nxd5 exd5 18. e6
17...exf5 18. Nxd5 Ngf6!
He has probably overlooked this move.
19.Nc7+
19. exf6 Qe1#
19...Kf8 20. Qf3 Rc8 21. Qb7 Rb8 22. Qa7 Ng4 23. Bd2 Kg8 24. Nd5 Qxe5 25. Bf4 Qxd5 26. Bxb8 Bd4 27. Qc7 Kg7 -+
🔸15th Avicenna Cup A 2018
🔸Round 4
⚪️Toufighi,Homayoon (2449)
⚫️Asgarizadeh,Ahmad (2416)
🔸½-½
25.Rxf7!
A sacrifice to secure a draw by perpetual check.
25...Kxf7
25... Qb5 26. Rxb7! Qxb7 27. Qxe2 with equality.
26. Qd5+ Kg6 27. Qe4+ Kf7 28. Qd5+ Kg6 1/2-1/2
⚫️#639 (Strategy-Black to Move)
🔸Rashkovsky,N
🔸Gulko,B
🔸Volgodonsk, 1981
16...e6!
After this move, it became clear that Black's opening experiment was very successful and that he has a good game. All his minor pieces are well placed.
17.e5! Nd5 18.Bxd5! exd5 19.Ng2 Nc7 20.Nef4 Qd7 21.Ne3 Rfd8!
Now Black demonstrates that he does not want to protect d5.
⚫️#640 (Strategy-Black to Move)
🔸Doroshkievich,V
🔸Gulko,B
🔸USSR Championship, Yerevan, 1975