28...Qc6! [Black defended well and manages to exchange the queens.]

29.Qxc6 bxc6 [△R×e6]

30.Bd6?! [30.Be1 Rxe6 31.g3! h5 32.Rd7 Rf6 33.Kg2-/+]

30...Rxe6 [Black gets rid of White's important factor.]

31.Bc5 Re4–+ 32.Be7 [32.Rxa7+ Kb8 33.g3 Rxg3 34.Bd6+ Kxa7 35.Bxg3 Kb6 36.b3 c5–+]

32...Reg4

0–1

⚪️#114 (Strategy-White to Move)
🔸Mamedyarov,Shakhriyar (2820)
🔸Navara,David (2740)
🔸Olympiad 2018 Batumi

19.Nd2!? [White initiates an interesting maneuver to improve the position of the knight.]

[19.Nh4 Red8 20.Re3 Bd5 21.Rg3 Bxb3 22.axb3 Qc2 23.Ra1 Qb2 24.Rd1; 19.d5 Bxd5 20.Bxd5 exd5 21.Rxd5 Ne6 22.Qd2 Qc3 23.Rd1 Qxd2 24.R1xd2 Re7 25.g3³]

19...Ng6 20.Qg4 b5 21.Ne4 Bxe4! [Black correctly decides to trade off his bishop for the dangerous opponent's knight.]

22.Qxe4 a5 23.d5 exd5 24.Rxd5 a4 25.Bd1 Qb7 26.Bf3 Ne7 27.Rd6 Qxe4 28.Bxe4 Ng6? [28...Kf8 29.Bd3 Rb8 30.Rb1 Nc8 31.Rd5²]

29.e6!± Nf4 30.exf7+ Kxf7 31.g3 Ke7 [31...Nxh3+ 32.Kg2 Ng5 33.Bg6++–]

32.Rd2 [32.Rc6! Ne6 33.Ra6! Nc5 34.Bg6+ Kf8 35.Bxe8 Nxa6 36.Bxb5 Nb4 37.a3 Nc2 38.Rc1 Rb8 39.Rxc2 Rxb5 40.Rc8+ Ke7 41.Ra8±]

32...Ne6 33.Rd5 b4 34.f4 b3 35.axb3 axb3 36.Bg6 Rf8 37.f5 Rf6 38.Rxe6+ Rxe6 39.fxe6 b2 40.Rb5 Kf6 41.Bh7

1–0

⚫️#114 (Endgame-‌Black to Move)
🔸Blomqvist,Erik (2499)
🔸Rodi,Luis Ernesto (2308)
🔸World Chess Olympiad 2018 Batumi

26...Bb4 [26...Ba3!! 27.f4 Nxf4 28.f3 (28.Bxf4 Rxb2+ 29.Rxb2 Rxb2+ 30.Kc1 Rxf2+ 31.Kb1 exf4 32.Nxd4 Rb2+ 33.Ka1 Rh2 34.Nxc6 Rxh3–+) 28...Nxh3 29.Rh1 Nf4 30.Rh2 (30.Bxf4 Rxb2+ 31.Rxb2 Rxb2+–+) 30...Ne6 31.Rh1 Nc5 32.Rh2 Na6 33.Kd1 Nc5–+; 26...Bc5 27.Nh6+ Ke6 28.Bd2 Bb4µ]

27.Rg1? [27.f4!? exf4 (27...gxf4 28.Rh1³) 28.Nxd4 Ne5=/+]

27...Bc3 28.b3 axb3+ 29.Rxb3 Rxb3 30.axb3 Ra8 31.Rg2 Ra2+ 32.Kd1 Nf4 33.Bxf4 exf4 34.Kc1 Ra1+ 35.Kc2 Rh1 36.Nh6+ Ke6 37.Ng4 c5 38.Rh2 Ra1 39.Rg2 Ra2+ 40.Kc1 Rd2 41.e5 fxe5 42.Nh6 Rxd3 43.Rxg5 Rxf3 44.Ng4 d3 45.Rg6+ Kf7

0–1

⚪️#115 (Strategy-White to Move)
🔸Giri,Anish (2780)
🔸Tutisani,Noe (2471)
🔸Olympiad 2018 Batumi

Unity Chess Strategy Multiple Choice 115
public poll

C) Nb3 – 12
👍👍👍👍👍👍👍 80%
@shahrook, @erenmikasa, future, Nikhil, Babak, @h_a_d_I_1169, @RichardPeng, @AryanLeekha, @WataxPin, @arash22_d, Adith, Hansika

A) e×d5 – 3
👍👍 20%
Reza, @mahyarebrahimi1983, @Somebody_Sophia

B) Rc2
▫️ 0%

👥 15 people voted so far.

⚫️#115 (Endgame-‌Black to Move)
🔸Lupulescu,Constantin (2606)
🔸Kulaots,Kaido (2542)
🔸World Chess Olympiad 2018 Batumi

Unity Chess Endgame Multiple Choice 115
public poll

C) e5 – 9
👍👍👍👍👍👍👍 50%
@mahyarebrahimi1983, @Mey_ro, Nikhil, Babak, king, @Somebody_Sophia, @RichardPeng, @WataxPin, @arash22_d

B) R×d4 – 5
👍👍👍👍 28%
Reza, future, @Naderi61, Adith, Hansika

A) b4 – 4
👍👍👍 22%
@shahrook, @erenmikasa, @h_a_d_I_1169, @AryanLeekha

👥 18 people voted so far.

12-year-old FM Christopher Yoo defeats former World Blitz Champion Le Quang Liem, becoming one of the youngest players ever to defeat a super-GM (2700+)! 👏🤩👏

@UnityChess

FM Christopher Yoo (2388 🇺🇸) just defeated the top seed, GM Le Quang Liem (2714 🇻🇳). What a great result for the young star!

The round 4 encounter between the veteran GM James Tarjan (2402 🇺🇸) and the young talent Kirk Ghazarian (2226 🇺🇸) ended in a draw.

Round 5 of Bay Area Open 2019, Burlingame

Cabinet card image of chess robot Ajeeb the Wonderful 1886.

@UnityChess

"I have had to work long and hard to eradicate the dangerous delusion that, in a bad position, I could always, or nearly always, conjure up some unexpected combination to extricate me from my difficulties."

🔸 Alexander Alekhine

@UnityChess

Mikhail Botvinnik vs Max Euwe
FIDE World Championship Tournament (1948),The Hague NED,R2

@UnityChess