20.Bb6! [restricting the opponent's pieces and preventing ... Rd8.]

20...Qd6 [20...Qc8 21.Nc5 Bxc5 22.Bxc5 e5 23.Bxf8 Kxf8 24.Qd6+ Kg8 25.Bd5+–]

21.Qxd6! [White's domination of the d-file will be decisive.]

[21.Nc5!? Bc8 22.Qxd6 Bxd6 23.Rfd1 Be7 24.Nxb7 Bxb7 25.Bxc6 Bxc6 26.Rxc6±]

21...Bxd6 22.Rfd1 Ne7 23.Nc3! Nd5 24.Bxd5 exd5 25.Rxd5 Re6 26.Rcd1+– [White wins a piece.]

1–0

⚫️#152 (Strategy-Black to Move)
🔸Shankland,S (2725)
🔸Nakamura,H (2749)
🔸PRO League Group Stage 2019

31...Kd6!! [If White could manage to play f4, he would obtain a comfortable position, but since the e4–pawn is now under attack, Black tries to exploit the weak dark squares in White's camp by penetrating to the f4–square.]

[31...Rh8+? This check only helps White to activate his king. 32.Kg2; 31...f5? 32.exf5 exf5 33.Bxf5+–]

32.Kg2 Ke5 33.Kf2 Kf4 34.Nd3+ Nxd3+ 35.Bxd3 Rh8 36.Bf1 Rc8 37.Be2 Bc6 38.Rc1 Rh8 39.Bf1 Rh2+ 40.Bg2–+ f5 41.gxf5 exf5 42.Rf1 Rh8 43.Rd1 fxe4 44.fxe4 f5 45.exf5 Rh2 46.Rg1 Kxf5 47.Kf1 Rxg2 48.Rxg2 Bxg2+ 49.Kxg2 Ke4

0–1

⚪️#152 (Endgame-White to Move)
🔸Barbosa,Ev (2515)
🔸Pinto,C (2136)
🔸Natal BRA 2019

50.f5!! [50.Ke3! Kc7 51.f5 TR; 50.c4? f5 51.Bc2 Kd7²]

50...e5 51.Ke3 Kc7 52.Kd3 Kd6 53.Kc4 Kc7 54.Kd5 Kd7+– 55.a5 bxa5 56.Kxc5 b6+ 57.Kxb6 a4 58.Ka7 a3 59.Bd5 e4 60.b6 e3 61.b7 e2 62.b8Q e1Q 63.Be6+ Ke7 64.Qc7+ Ke8 65.Qd7+ Kf8 66.Qd8+

1–0

⚪️#153 (Strategy-White to Move)
🔸Vitiugov,N (2720)
🔸Saric,Iv (2690)
🔸Caleta ENG 2019

Unity Chess Strategy Multiple Choice 153
public poll

A) Qd2 – 12
👍👍👍👍👍👍👍 71%
@M_L_110213, @batonik107, @Illlt, Jonas, Gavin, @raienr, @SophiaCat_does_Chess, @A_Somewhat_Cool_Guy, Michael, Hansika, Daniel, @Kingbosskasyap

C) h4 – 4
👍👍 24%
Jahanbakhsh, @Steve1234567890qwerty, Vincent, @Lornyellor

B) o-o – 1
👍 6%
Ebi

👥 17 people voted so far.

⚫️#153 (Endgame-Black to Move)
🔸Tahbaz,Arash (2468)
🔸Gholami,A (2488)
🔸Bushehr IRI 2019

Unity Chess Endgame Multiple Choice 153
public poll

B) g6 – 14
👍👍👍👍👍👍👍 74%
@M_L_110213, @batonik107, Jonas, Gavin, @Steve1234567890qwerty, @Behpourm, Vincent, @SophiaCat_does_Chess, @jalilmoradi1995, @Lornyellor, @Qwerty123Tseries, Michael, Hansika, @Kingbosskasyap

A) Nc4 – 4
👍👍 21%
Masoud, @raienr, @A_Somewhat_Cool_Guy, Daniel

C) a5 – 1
👍 5%
Ebi

👥 19 people voted so far.

Amsterdam, 6th January 1988. A simultaneous display by the 13th World Chess Champion, Garry Kasparov.

@UnityChess

"A pawn, when separated from his fellows, will seldom or never make a fortune."

🔸 Francois-Andre Danican Philidor

@UnityChess

Wijk aan Zee, 1980. In the 11th round (played 27th January), Gert Ligterink (Netherlands) faces Yasser Seirawan (USA).

@UnityChess

Unique photo! Vladimir Grigorievich Zack with students V. Zakharov, V. Korchnoi, Y. Gankin, 1949.

@UnityChess

Happy 29th Birthday to Anna Muzychuk! In 2016, she became the Women's World Rapid and Blitz Champion. Also, she won the Women's World Blitz Championship in 2014. Her peak live rating was 2608.2 in August 2012. Photo: Andreas Kontokanis

Kaido Külaots found the perfect way to celebrate his 43rd birthday!
https://goo.gl/ap7nGn