34...Kd3! [Black's king uses the opportunity to attack the f2–pawn.]

35.Rd7+ [White cannot save the game anyway.]

[35.Nxf3 gxf3 36.Kd1 Rh8! 37.Rd7+ Ke4 38.g4 Rh2–+; 35.Rd7+ Ke2 36.Rd2+ Ke1 37.Nf7 Re8 38.Nxe5 Rxe5 39.c4 Rc5 40.b3 Ra5–+]

⚪️#189 (Strategy-White to Move)
🔸Kokarev,Dm (2598)
🔸Pridorozhni,A (2567)
🔸ch-RUS Rapid GP Final 2018

21.c5! [White uses his queenside pawn majority and tries to create a passed pawn there.]

[21.Qe3 a5 22.c5 h6 23.Bd3 axb4 24.axb4 Qh4 25.Be4 f5 26.c6 Qd8 27.Bb1 (27.cxb7 Rxc1 28.Rxc1 Rb8 29.Bd3 Rxb7) 27...bxc6 28.dxc6 Rxc6=; 21.Bd3 g6 22.Qe3 a5 23.f4 axb4 24.axb4 Ra4 25.Re1 Ra3 26.fxe5 dxe5 27.Qd2 b6 28.Bf1 e4 29.Qd4 Qxb4 30.Rxe4=]

21...a5 [21...dxc5 22.bxc5 Rxc5? 23.d6+–]

22.c6 bxc6 23.dxc6 Bxc6 24.Qxd6 Qe8 25.bxa5±

⚪️#189 (Endgame-White to Move)
🔸Kevlishvili,Robby (2451)
🔸Niemann,Hans (2439)
🔸St Louis Inv GM 2018

39.Qa8+! [39.Qc8+ Kh7 40.Qb7 a5 41.f3 h5 42.h4=; 39.h4 a5 40.h5 g5 41.Qa8+ Bf8 42.Qb8 a4 43.bxa4 Qxa4 44.Qc8 Qa2 45.Qf5=]

39...Bf8 [¹39...Kh7 40.Qxd5 f5 41.Qc4+/=]

40.Qxd5 a5 41.Qb5 h5 42.Qa4 Qc2 43.Qxa5 Qxb3 44.Qa6+/= [44.Qd8 Qc4+ 45.Qd3 Qg4+ 46.Ke1 h4 47.Be3 Qh3 48.Qd8 hxg3 (48...Qxh2 49.Bc5) 49.hxg3 Qe6 50.Kd2±]

⚪️#190 (Strategy-White to Move)
🔸Morozevich,A (2656)
🔸Ponkratov,P (2630)
🔸ch-RUS Rapid GP Final 201

Unity Chess Strategy Multiple Choice 190
public poll

C) Nf3 – 6
👍👍👍👍👍👍👍 75%
@Rasoulsamimi1361, @BehroudR, Ali, @A_Wild_Richard, Hansika, Kasyap

A) R3e2 – 1
👍 13%
@Sophia_Giraffe

B) Rc1 – 1
👍 13%
امیر

👥 8 people voted so far.

⚪️#190 (Endgame-White to Move)
🔸Gurevich,D (2393)
🔸Shtembuliak,E (2487)
🔸St Louis Inv GM 2018

Unity Chess Endgame Multiple Choice 190
public poll

A) Ke5 – 7
👍👍👍👍👍👍👍 70%
@Rasoulsamimi1361, @M_L_110213, @mahyarebrahimi1983, @BehroudR, Dariush, Hansika, Kasyap

B) Kc4 – 3
👍👍👍 30%
Masoud, Ali, @A_Wild_Richard

C) Kd3
▫️ 0%

👥 10 people voted so far.

USSR Championship (1940)

@UnityChess

As a rule, so-called "positional" sacrifices are considered more difficult, and therefore more praise-worthy, than those which are based exclusively on an exact calculation of tactical possibilities.”

🔸 Alekhine (1998). “Alexander Alekhine's Best Games: Algebraic edition”

@UnityChess

Congrats to Jan Gustafsson on winning the Bangkok Chess Club Open for a 2nd time (the first was 2011) , after edging out Deep Sengupta on tiebreaks!