20.Qb2? [A wrong decision by strong Indian GM that allows his opponent to complete his development. He could have seized a large advantage by exploiting the black king's position.]

[¹20.Nxe6! fxe6™ (20...Bxe3 21.Nf4!+–) 21.Bxc5! △Q×e6 21...Qxc5 22.Qxe6+ Qe7 23.Bxd5! Qxe6 24.Bxe6 Kd8 25.Rfd1+ Kc7 26.Rac1+±]

20...0–0 21.Rfc1 Nd7?!+/= [¹21...Rac8! 22.Nxe6 fxe6 23.Rxc5 Rxc5 24.b4 d4! △Rc2 25.Bxd4 Rc2 26.Qxc2 Qxd4=/+]

⚪️#220 (Strategy-White to Move)
🔸Grandelius,N (2678)
🔸Hillarp Persson,T (2546)
🔸Bistro Stella Limhamn Malmo SWE 2018

Unity Chess Strategy Multiple Choice 220
public poll

B) Ndb5 – 7
👍👍👍👍👍👍👍 100%
@mahyarebrahimi1983, Jonas, @RacingChess, @Sophia_Giraffe, @A_Wild_Richard, Matthew, Kasyap

A) N×c6
▫️ 0%

C) Qf2
▫️ 0%

👥 7 people voted so far.

⚪️#220 (Endgame-White to Move)
🔸Raes,A (2214)
🔸Saloos,I (1885)
🔸Emirates ch-Arab 2018

Unity Chess Endgame Multiple Choice 220
public poll

B) g3 – 6
👍👍👍👍👍👍👍 55%
@PouyaMO1360, @Behrangm2003, Jonas, @RacingChess, @A_Wild_Richard, Matthew

C) Rd7+ – 3
👍👍👍👍 27%
@Sophia_Giraffe, Jaikrishnan, Kasyap

A) Rd2 – 2
👍👍 18%
محمد, Srikar

👥 11 people voted so far.

Ex-World Champion Mikhail Botvinnik, pictured in 1970 at a simultaneous display in Abakan.

@UnityChess

"What matters is not the breadth of the center but its solidity."

🔸 Max Euwe

@UnityChess

Biggest chess achievements by Garry Kasparov.
1.-Longest straight years as number one 19.8.
2.-17 tournament rating performances with 2820.
3.-First player to break 2800 rating.
4.-Winning 15 supertournaments in row.
5.-Winning 6 WCC matches.

@UnityChess

Leningrad, 12th Nov 1975. At the traditional event organised by the newspaper 'Komsomolskaya Pravda', the 12-year-old Garry Kasparov (Baku) faces the leader of the Leningrad team, Viktor Korchnoi, in a clock simultaneous display.

@UnityChess

Wojtaszek Knocks Out Svidler From FIDE Grand Prix Moscow

After kicking out Shakhriyar Mamedyarov, Radek Wojtaszek also eliminated Peter Svidler from the #GrandPrixFIDE in Moscow. The other three quarterfinal matches went into tiebreaks. Report:

http://bit.ly/2VTxxBY

Peter Svidler went all in with an attractive but risky exchange sacrifice against Radosław Wojtaszek.

Results of game 2 of #GrandPrixFIDE Quarterfinals in Moscow:
🇷🇺 Dubov 1/2-1/2 Nakamura 🇺🇸 - tiebreak
🇺🇸 So 1/2-1/2 Grischuk 🇷🇺 - tiebreak
🇷🇺 Nepomniachtchi 1/2-1/2 Wei Yi 🇨🇳 - tiebreak
🇵🇱 Wojtaszek 1-0 Svidler 🇷🇺 - Wojtaszek is in the semifinals

Judit Polgar:
Chaplin gambit!

⚪️#220 (Strategy-White to Move)
🔸Grandelius,N (2678)
🔸Hillarp Persson,T (2546)
🔸Bistro Stella Limhamn Malmo SWE 2018

16.Qf2!? [16.Ndb5! provoking Black into advancing the d-pawn in order to create a weakness in the opponent's camp. 16...d6 (16...a6?? 17.Nd6+– Be5 18.Nxb7 Qxb7 19.f4+–) 17.Rd2 Nf6 18.Rcd1 Ne8 19.Qf1 Qc8 20.Kg2 Qb8 21.Qf2±; 16.Nxc6?! dxc6 17.c5 Qc7 18.f4 Nf6 19.Qf2 Rxd1+ 20.Rxd1 Nd7 21.e5 Nxc5 22.Bxc5 bxc5 23.Ne4 Qb6 24.b3²]

16...Nf6?! [16...Nxd4 17.Bxd4 d6 18.Bxg7 Nxg7±]

17.Ndb5 Ne8 18.Bg5±

1–0