⚪️#22 (Strategy-White to Move)
🔸Duda Jan-Krzysztof (2739)
🔸Reyes Najera Carlos A. (2149)
🔸World Chess Olympiad 2018 Batumi

21.Nd1?! [21.Qh4! Although it seems that the White's pieces are insufficient for the attack, but in fact, the knight can participate in the attack when needed. 21...Qg7 (21...h6 22.Qf4 Kh7 23.Nd1! The knight is ready to join the attack. 23...g5

a) 23...h5? 24.Ne3 Kg8 25.g4 Qg7 26.gxh5 g5 27.Qg3 Be4 28.Ng4 Kh8 29.Nf6 Rd3 (29...Bf5 30.h6 Qg6 31.Rh5 Rg8 32.h3 Rac8 33.Kh2+–) 30.f3 Bf5 31.h6 Qf8 32.Rh5 g4 33.Nxg4 Qc5+ 34.Qf2 Qxf2+ 35.Kxf2± Rd2+ 36.Kg3 Rxb2 (36...Bxg4 37.fxg4 Rxb2 38.Rxf7+–) 37.Nf6 Rxa2 38.Rd1 Rc8 39.Rh4 b5 40.Rd7 Bg6 (40...Rg8+ 41.Nxg8 Kxg8 42.Rb7 a6 43.Rd4 Bg6 44.Rd6+–) 41.Rhd4+–;

b) 23...Rac8? 24.Ne3 g5 (24...h5 25.Ng4 Kg8 26.Nf6+ Kh8 27.Qg5+–) 25.Qxg5 Qg7 26.Qh4 Rg8 27.Rg3 Qxe5 28.Ng4+–; 24.Qxg5 Qg7 25.Qxg7+ Kxg7 26.Rg3+ Kh7 27.Nc3²) 22.Rd1 g5 (22...Qxe5 23.Qxh7+ Kf8 24.Qh4 Kg7 25.Qh6+ Kf6 26.Re3 Qg5 27.Nxd5+ Rxd5 28.Rf3+ Ke7 29.Qxg5+ Rxg5 30.Rc3 Rb5 31.Rc7+ Kf6 32.b3 Rd5 33.Rxd5 exd5 34.Kf1²) 23.Qh5 Bc6 24.Rg3² /=; 21.Nb5!? Rac8 22.Qh4 h6 23.Nd6 Rc2 24.Rc3 Rxc3 25.bxc3 f6 26.c4 fxe5 27.Nb5 Bc6 28.Nxa7 Rd4=; 21.Rd3 Bc6 22.Rfd1 Rxd3 23.Rxd3 Qe7=]

21...Qg7 22.Ne3 h5 23.b3 Bc6 24.Re1 b5 [24...Rd3 25.Qg5 Rad8 26.Nc4 Rd1=]

25.Nf1 g5? 26.Qc1! Rac8 27.Rxh5 Be4 28.Rxg5 Rxc1 29.Rxg7+ Kxg7 30.Rxc1 Rd5 31.f4 a5 32.Kf2 a4 33.bxa4 bxa4 34.Rc4 1–0

⚫️#22 (Endgame-Black to Move)
🔸Duda Jan-Krzysztof (2739)
🔸Reyes Najera Carlos A. (2149)
🔸World Chess Olympiad 2018 Batumi

60...Bd8? [60...Nxh5! 61.Bxh4 Nf6 62.Kc4 Nd5 63.Bf2 Kd6 64.Kd3 Nf6 65.Bb6 Nd7 66.Bxa5 Nc5+ 67.Kc4 Nxa4 68.Bb4+ Kc6 69.Kd3 Nb2+ 70.Ke4 Nc4 71.Bf8 Nd2+ 72.Kxe5 Nxf3+ 73.Kxf4 Nd2 74.Be7 Nc4=; 60...Kd6 61.Bg6 Kc6 62.Kc4 Bf6 63.Bf7 Kc7 64.Bd5 Bd8 65.Ba7 Kd6 66.Ba8 Nf5 67.Bc5+ Kd7 68.Kd5 Ne3+ 69.Kxe5 Nc4+ 70.Ke4 Nb6 71.Bxb6 Bxb6 72.Kxf4 Kd6 73.Kf5+–]

61.Bg4+? [61.Bg6! Bc7 62.c4 Bd8 63.Ba7 Bc7 64.Bh7 Nf1 65.Be4 Ne3 66.Bc6 Kd6 67.Ba8 Kd7 (67...Bd8 68.c5+ Kd7 69.Bb7±) 68.c5±]

61...Kd5 [61...Kd6 62.c4²]

62.c4+ Kd6 63.Bc8 Nf1 64.Ba7 Ne3 65.Ba6 Bc7 66.Bb5 Nd1 67.c5+ Kd5 68.Bb6 Bxb6 69.cxb6 Kd6 70.Be8 Ne3 71.Ke4 Nc4 72.b7 Kc7 73.Bc6 Nb2 74.Kxe5 Nd3+ 75.Kd4 Nb2 76.Kc5 Nd3+ 77.Kb5 Ne5 78.Be4 Nf7 79.Kxa5 1–0

⚪️#23 (Strategy-White to Move)
🔸Van Foreest Jorden (2624)
🔸Kassis Antoine (2173)
🔸World Chess Olympiad 2018 Batumi

Unity Chess Strategy Multiple Choice 23
public poll

C) 15.Nc4 – 9
👍👍👍👍👍👍👍 82%
Kenneth, Jayden, @SteveWongso, Vincent, @MerissaWongso, @AryanLeekha, Rachel, Michael, Hansika

A) 15.Nf3 – 1
👍 9%
@Somebody_Sophia

B) 15.b4 – 1
👍 9%
@RichardPeng

👥 11 people voted so far.

⚫️#23 (Endgame-Black to Move)
🔸Song,Raymond (2305)
🔸Tran,Tuan Minh (2491)
🔸World Chess Olympiad 2018 Batumi

Unity Chess Endgame Multiple Choice 23
public poll

B) 41.Nf4+ – 10
👍👍👍👍👍👍👍 77%
Kenneth, @SteveWongso, @MerissaWongso, @Somebody_Sophia, @RichardPeng, @AryanLeekha, Rachel, Michael, Hansika, Alan

A) 41...Nxh4 – 2
👍 15%
Vincent, Sadi ahmad mehri

C) 41...Rf1 – 1
👍 8%
Jayden

👥 13 people voted so far.

Gold Team 1930 Chess Olympiad.
Poland: Rubinstein, Frydman, Tartakower, Makarczyk, and Przepiórka.
https://www.olimpbase.org/1930/1930in.html

@UnityChess

Chess players on Clapham Common (London) 1920 : An archive image.

https://bit.ly/2O0THOF

@UnityChess

Susan Polgar (Hungary) Competing at the 1990 Novi Sad, Yugoslavia (present-day Serbia), Chess Olympiad.

@UnityChess

Susan Polgar gazes intently at her competitor in this photograph from the 1990 Novi Sad, Yugoslavia, Chess Olympiad. Polgar won a gold medal in this Olympiad for her performance on Board One.

@UnityChess

Lajos Portisch (Hungary) and Judit Polgar (Hungary) at the 1994 Moscow, Russia, Chess Olympiad.

@UnityChess

🏁✅ Final moments of Poland beating USA at #BatumiChess2018 Olympiad 🏆

Duda vs Caruana💪🏻

@UnityChess

In women's section of #BatumiChess2018, it's Ukraine vs Russia today.
GM Muzychuk, A. (2555) vs GM Kosteniuk, A. (2559) on the first board.

The penultimate round of #BatumiChess2018
Ding, Liren - Duda, Jan-Krzysztof