⚫️#48 (Strategy-Black to Move)
🔸Rizouk,Aimen (2445)
🔸Bacrot,Etienne (2678)
🔸Olympiad 2018 Batumi

25...Ra5 [Black could have created some threats against the black king by putting his bishop on the long diagonal. However, the text move is also interesting.]

[25...Bf6! 26.Rhg1 Ra5 27.Qf3 Rc5 28.Qe2 Qa5 29.Rd2 d5-/+; 25...Qa5 26.Rh2 Bf6 27.Rg2 d5 28.Bd3 dxe4 29.Bxe4 e5 30.fxe5 (30.Bxa8?? exd4 31.Be4 dxe3–+) 30...axb3 31.cxb3 (31.exf6?? Qxa2+ 32.Kc1 Qa1+ 33.Kd2 Qc3+ 34.Kc1 Ra1#) 31...Qxe5 32.Bg1 (32.Bxa8 Bf5+ 33.Ka1 (33.Nxf5 Qa1#) 33...Ne6! 34.a4 Rxa8–+) 32...Bxh3 33.Bh2 Qc5 34.Bxa8 Rxa8 35.Rg3 Bd7 36.Qc4+ Qxc4 37.bxc4 Rc8–+]

26.f5?? [26.Bd2 Qb6 27.Be3 Qb7 28.f5-/+]

26...d5! 27.exd5 exd5 28.Bd3 Bf6 29.fxg6 Qc3 30.Rhf1 a3 0–1

⚪️#48 (Endgame-‌White to Move)
🔸Bareev,Evgeny (2666)
🔸Vidit,Santosh Gujrathi (2711)
🔸World Chess Olympiad 2018 Batumi

56.Bxd3+? [56.Rc1+! Kd5 57.Bxd3 exd3 58.Rc8 Ke4 59.Rh8 Kf3 (59...f4 60.Rxh5 fxg3 61.fxg3 Kf3 62.Rh7 Kxg3 63.h5 Be8 64.h6 Bg6 65.Rd7 b5 66.h7 Bxh7 67.Rxh7 Kg2 68.Kxd3 g3 69.Ke2 d3+ 70.Ke3! b4 71.Rd7 b3 72.Rxd3 b2 73.Rd1 Kh2 74.Rb1 g2 75.Kf2 Kh3 76.Rxb2 Kh2 77.Rb1 Kh3 78.Rg1+–) 60.Rxh5 Kxf2 (60...Bd7 61.Rh7 Be8 62.h5 Kxf2 63.h6 Kxg3 64.Rg7 f4 65.h7 f3 66.h8Q f2 67.Qf8 Bh5 68.Qf5 Kg2 69.Qxh5 f1Q 70.Rxg4++–) 61.Rg5 Kxg3 62.h5 Kf4 63.h6 Kxg5 64.h7 Bc6 65.Kxd3 Be4+ 66.Kxd4 g3 67.h8Q Kf4 68.Qb8+ Kf3 69.Qxb6 g2 70.Ke5 Kg3 71.Qg1 Kf3; 56.Rb1 b5 57.Ra1 Kb3 58.Bxd3 exd3 59.Rc1 b4 60.Kxd3 Kb2 61.Rc7 Bb3 62.Rh7 Kc1 63.Kxd4 Bc2 64.Rb7 b3 65.Kc3 Kd1 66.Rb4 Kc1 67.Rb7 Kd1=]

56...exd3 57.Re1 b5 58.Re8 b4 59.Rc8+ Kd5 60.Rb8 b3 61.Kxd3 Kc5 62.Kd2 Kc4 63.Rb7 Bb5 64.Rb8 d3 65.Kc1 Bc6 66.Kd2 Be4 67.Kc1 Kc3 68.Rc8+ Kd4 69.Kd2 Bd5 70.Re8 Kc4 71.Rb8 Kd4 72.Re8 Kc4 ½–½

⚫️#49 (Strategy-Black to Move)
🔸Belouadah,Saad (2413)
🔸Bauer,Christian (2629)
🔸Olympiad 2018 Batumi

Unity Chess Strategy Multiple Choice 49
public poll

B)17...Nxd5 – 7
👍👍👍👍👍👍👍 78%
Meisam, Jonas, @ErfanBz01, @YaminiG, @A_Wild_Richard, Michael, Sanjana

A)17... a5 – 2
👍👍 22%
@Sophia_Giraffe, Mahathi

C)17...Bxd5
▫️ 0%

👥 9 people voted so far.

⚫️#49 (Endgame-‌Black to Move)
🔸Picado,Jorge (2143)
🔸Petriashvili,Nikoloz (2343)
🔸World Chess Olympiad 2018 Batumi

Unity Chess Endgame Multiple Choice 49
public poll

A)59...Kxh4 – 9
👍👍👍👍👍👍👍 53%
Mehdi, Sara, Jonas, @ErfanBz01, @YaminiG, @A_Wild_Richard, @Miladdark79, Michael, Sanjana

B)59...Kf6 – 8
👍👍👍👍👍👍 47%
@Jasemsa, @mahyarebrahimi1983, Max, @BehroudR, @h_a_d_I_1169, @Sophia_Giraffe, Majjeed, Mahathi

C)59...kh5
▫️ 0%

👥 17 people voted so far.

David Bronstein in play in the 39th USSR Championship, Leningrad 1971.

@UnityChess

Hilversum (Netherlands), 21st June 1973. In the 8th round of the AVRO grandmaster tournament, Efim Geller (USSR) has the white pieces against László Szabó (Hungary).

@UnityChess

A nice mate in 5 from Evgenij Miroshnichenko vs Sandor Kustar, Budapest, 1997. White to move.

@UnityChess