23.Nb5! [A multi-purpose move that creates several threats at the same time. The main threat is 24.Bd4, trapping the black queen.]

23...Nc2 [23...c5 24.Nc7! d4 25.Nxa8 Nfd5 26.g4! Bg6 27.Rf1 Qxe2 28.Qxe2 Rxe2 29.Ba3 Nd3 30.h4 N3f4 31.h5 Bc2 32.Bxc5±]

24.Bd4 Ne3 [24...Nxd4 25.Nxd4 Bd7 26.Rf1! Qe3 27.Qxe3 Rxe3 28.Rfc1 Rc8 29.Rc5 Kf8 30.Kg1+–]

25.Bxe3 [¹25.Rg1 △Raf1 25...Nh5 26.Bxe3 Qxe3 27.Qxe3 Rxe3 28.Nxc7 Ra7 29.Nb5 Ra5 30.Nd4 Bd7 31.Rgc1+–]

25...Rxe3 26.Rf1 Qxe2 27.Qxe2 Rxe2 28.Nd4

1–0

⚪️#154 (Strategy-White to Move)
🔸Lysyj,I (2633)
🔸Agmanov,Zhandos (2405)
🔸15th Moscow Open A 2019

20.Bc7!! [Starting a powerful plan to transfer the bishop to the central d4–square.]

[20.b4! would be strong, although the game move is better. 20...Rac8 21.Bxe4 Qxe4 22.Qxe4 Rxe4²; 20.f3!? would be interesting: 20...Nf6 21.g4+/=]

20...Qe6 21.Bb6 Qf5 22.Qd3 Qg6 23.Bd4 Rec8±

1–0

⚫️#154 (Endgame-Black to Move)
🔸Darini,P (2475)
🔸Tahbaz,Arash (2468)
🔸Bushehr IRI 2019

31...f5!
[31...Nc8!? 32.Ng5 Nde7 33.Rc1=/+]
[31...Re6!? 32.a3!=/+]

32.Nxd6 f4! 33.g4 hxg4 34.fxg4-/+

0–1

⚫️#155 (Strategy-Black to Move)
🔸Harikrishna,P (2726)
🔸Caruana,F (2828)
🔸Champions Showdown Rapid Saint Louis USA 2019

Unity Chess Strategy Multiple Choice 155
public poll

A) R×e1 – 16
👍👍👍👍👍👍👍 94%
@batonik107, @mahyarebrahimi1983, عباس, Mohammad, Ebi, H@$$@n, Nikhil, @Sujas2, Saghana, @A_Somewhat_Cool_Guy, Sahil, Srikar, @Qwerty123Tseries, Michael, Hansika, Daniel

B) b6 – 1
▫️ 6%
Gavin

C) Re6
▫️ 0%

👥 17 people voted so far.

⚫️#155 (Endgame-Black to Move)
🔸Tahbaz,Arash (2460)
🔸Gholami,Arian (2488)
🔸Iranian finall championship 2019

Unity Chess Endgame Multiple Choice 155
public poll

A) Kg5 – 12
👍👍👍👍👍👍👍 67%
فریده, @batonik107, Nikhil, @A_Somewhat_Cool_Guy, Srikar, @Qwerty123Tseries, @Tashdid_man, Michael, Hansika, @Samin138511, Daniel, @Kingbosskasyap

B) b2 – 3
👍👍 17%
farhad, Saghana, frank

C) Nc2 – 3
👍👍 17%
Ebi, Gavin, Sahil

👥 18 people voted so far.

Moscow, 1967. The 9th World Chess Champion, Tigran Vartanovich Petrosian, with his wife Rona Yakovlevna (née Avinezer) and their sons Vartan and Mikhail.

@UnityChess

"Yes, I have played a blitz game once. It was on a train, in 1929."

🔸 Mikhail Botvinnik, interviewed by Genna Sosonko in 1989.

@UnityChess

Boris Spassky in play v. Klaus Darga in the opening round of the Hoogovens tournament at Beverwijk, 11th January 1967.

@UnityChess

Future grandmaster and FIDE World Championship challenger Gata Kamsky. USSR, 1980s.

@UnityChess

GM Nihal Sarin - GM Le Quang Liem

🔴 The 2019 Spring Chess Classic is a 10-player round-robin tournament taking place from 2-10 March in the St. Louis Chess Club.

https://chess24.com/en/watch/live-tournaments/spring-chess-classic-2019-a/1/1/1

Congrats to the Oxford team on winning their varsity match against Cambridge with a score of 4½-3½.

https://chess24.com/en/watch/live-tournaments/oxford-cambridge-varsity-match-2019