⚪️#71 (Strategy-White to Move)
🔸Yamada,Kohei (2128)
🔸Grigorchuk,Sergey (2288)
🔸Olympiad 2018 Batumi

Unity Chess Strategy Multiple Choice 71
public poll

B)f4 – 5
👍👍👍👍👍👍👍 42%
Gavin, @YaminiG, @Sophia_Peng, @WataxPin, Matthew

C)Rab1 – 4
👍👍👍👍👍👍 33%
@SteveWongso, @Kasra_Germany, Alexander, @arash22_d

A)Ng5 – 3
👍👍👍👍 25%
@mahyarebrahimi1983, Dariush, @RichardPeng

👥 12 people voted so far.

⚪️#71 (Endgame-‌White to Move)
🔸Deac,Bogdan-Daniel (2594)
🔸Issa,Rafat (2388)
🔸World Chess Olympiad 2018 Batumi

Unity Chess Endgame Multiple Choice 71
public poll

C)Be3 – 6
👍👍👍👍👍👍👍 40%
@mahyarebrahimi1983, @shahramabdo, @MohamadAsp, Dariush, @abas2048, @arash22_d

A)Rd8 – 5
👍👍👍👍👍👍 33%
Gavin, @YaminiG, @RichardPeng, @Raahmaanii_hossein, Matthew

B)Kf3 – 4
👍👍👍👍👍 27%
@SteveWongso, Alexander, @Sophia_Peng, Atharva

👥 15 people voted so far.

2nd September, 1971. The Canadian Open tournament in Vancouver; the 10th-round clash between World Champion Boris Spassky (USSR) & Bob Zuk (Canada). In the second photo, Pal Benko (USA) looks on.

@UnityChess

Ivanchuk in 1991 when he won Linares ahead of Karpov and Kasparov.

@UnityChess

🔸chess.com IoM Masters Douglas ENG 2018
🔸Round 6
⚪️Tregubov,Pavel V (2588)
⚫️Artemiev,Vladislav (2706)
🔸0-1

27...f5! [Artemiev opens up the diagonal of the g7–bishop and attacks the center.]
28.Bxc5? [28.Bg5 Qe8 29.Re1 fxe4 30.Nc3 Bf5 31.fxe4 Bd7-/+]
28...fxe4! [A strong intermediate move that brings a dangerous initiative for Black.]
[28...dxc5!? 29.d6 cxd6 30.Qxd6 Rf7 31.Qxg6 fxe4 32.fxe4 Ra6! 33.Qg3 Kh7-/+ △Rg6]
29.Be3? [29.fxe4? dxc5 30.d6 Qh4 31.dxc7 Qf2+ 32.Kh1 Bg4 33.Re1 Qh4+ 34.Kg1 Be5–+; 29.f4! dxc5 30.d6 cxd6 31.Qxd6 Qxd6 32.Rxd6 Bf5 33.Ng3 Bd4+ 34.Kh2 Rae8µ]
29...exf3 30.Nf4 Rfe8?!-/+ [Black allows the opponent to put up more resistance.]
[The easiest way to achieve a win would be 30...fxg2 31.Nxg6 Qe4! 32.Nxf8 Rxf8–+ △Bh3] 0–1

⚪️#71 (Strategy-White to Move)
🔸Yamada,Kohei (2128)
🔸Grigorchuk,Sergey (2288)
🔸Olympiad 2018 Batumi

18.Ng5? [When you penetrates with a piece into the enemy's camp, you should open up the lines for your other pieces to help the attacker piece.]

[18.f4! exf4 19.Rae1 Qxa3 20.Qg5 Qd6 21.Bxf4 Qd7 (21...Nxf4?? 22.Qxg7#) 22.Nc5 Qd8 23.Rxe8+ Qxe8 24.Qxd5+ Qf7 (24...Kh8 25.Bc1±) 25.Qxf7+ Kxf7 26.Bd6+ Kg8 27.Nxb7 a5 28.Rf5 a4 29.Ba3 Nce7 30.Rb5+–; 18.Rab1 Re7 19.f4 exf4 20.Nxf4 Nxf4 21.Rxf4 Qxa3 22.Rbf1 Qd6 23.Qf3 Ree8 24.Rf7 Qe6 25.Qg3 Qg6 26.Qxg6 hxg6 27.Rd7 Re7 (27...Rad8 28.Rxb7²) 28.Rxd5²]

18...Nxd4 [18...Re7 19.f4 Nxf4? (19...exf4 20.Qh5 h6 21.Qxg6 hxg5 22.Qxg5 Rf7 23.Rxf4±) 20.g3 Ng6 21.Qh5 h6 22.Qxg6 hxg5 23.Bxg5 Rc7 24.Qe6+ Kh8 25.Rf3 e4 26.Rf4+–]

19.Qh5 h6 20.Qxg6 hxg5 21.Rae1 Nc6 22.Re3 e4 23.Rh3 Ne5 24.Qh7+ Kf7 25.Qf5+ Kg8 26.Rb1 Qc7 27.Qh7+ Kf7 28.Bxg5 Ng6 29.Bh6 Kf6 30.Rg3 Nf8 31.Bxg7+ Ke6 32.Qg8+ Kd6 33.Qh8 Kc6 34.Bxf8 Rxf8 35.Rg6+ 1–0

⚪️#71 (Endgame-‌White to Move)
🔸Deac,Bogdan-Daniel (2594)
🔸Issa,Rafat (2388)
🔸World Chess Olympiad 2018 Batumi

40.Be3! [40.Rd8+ Kg7 41.Be3 Ra5 42.Bxc5 Rxc5 43.Ke3 Rb5 44.Rd2 Kf8 45.Ke4 Ke7 46.Kd4 Rc5 47.h3 Ke6 48.Ke4 Rb5 49.g4 hxg4 50.hxg4 Ke7 51.Kd4 Rc5 52.Rh2 Rc8 53.Rh7 Rd8+ 54.Kxc4 Rd2 55.b4+–; 40.Kf3 Ra2 41.h3 Kf8 42.g4 Ra1 43.Rd1 Ke8 44.f5±]

40...Ra2 41.Bxc5 bxc5 [41...Rxb2+?? 42.Rd2 Rxd2+ 43.Kxd2 bxc5 44.Ke3 f5 45.Kf2 h4 46.g3 Kf7 47.Kg2 Ke6 48.Kh3 hxg3 49.hxg3 g5 50.fxg5 Kxe5 51.Kh4 f4 52.gxf4+ Kxf4 53.Kh5+–]

42.Rxc5 Rxb2+ 43.Kf3 h4 44.Rxc4 h3 45.gxh3 Rxh2 46.Kg3 Rd2 47.Rc7 Rd3+ 48.Kg4 Rd1 49.Kg5 Kg7 50.e6 Rg1+ 51.Kh4 1–0