26... Qh4??
Black's blunder in a difficult situation. He should have played a waiting move like 26...Rcc8.
27.Qd4 Qxd4 28. exd4 1-0

⚪️#10 (Strategy-White to Move)
🔸Hakobyan,Aram (2554)
🔸Petrosyan,Manuel (2581)
🔸57th World Juniors 2018

19.Bb5!
A right positional decision. White intends to trade his bad bishop for opponent's good one.
19. g5?! d5 20. Qe3 dxe4 21. Rxd8 Rxd8 22. Bb5 Qb4 23. Na2 Qd6 24. Bxc6 Qxc6 25. Qxe4 Qxe4 26.fxe4=
19.Bc4 Nxc4+ 20. Qxc4 Qf6=
19... Bxb5 20.axb5
Creating unnecessary weaknesses on his own pawn structure.
Better is 20.Nxb5 Rc8 21. Nc3 Qe5 22. Qd2 Qc5 23. h5+/=
20...Ra8 21. Ra1 Rec8 22. h5 c5 23. bxc6 Rxc6 24. h6 Qe5 25. Nb5 gxh6
25... Qxb5?? 26. Qxg7#
26. Rh5 Qf4 27. Rah1! Rac8 28. R1h2?
28. c3! Qxf3 29. R1h2 d5 30. exd5 Rg6 31. d6+/-
28... Nc4+ $4 29. bxc4 Rxc4 30.Qd2 Rb4+
30... Rxc2+ 31.Qxc2 Rxc2+ 32. Rxc2 Qxf3 33. Nxd6+-
31. Ka2 Ra4+ 32. Kb2 Rb4+ 33. Ka2 Ra4+ 34. Kb3 Rb4+ 35. Ka3 Qxf3+ 36. c3 Rb1 37. Ka2 Qf1 38. Rh1 Qxh1 39. Rxh1 Rxh1 40. Nxd6 Rd8 41. Qf4 Rd7 42. Qe5
1-0

⚪️#10 (Endgame-White to Move)
🔸Ozsakallioglu,Okan (1955)
🔸Baenziger,Fabian (2360)
🔸57th World Juniors 2018

36.Kf3 [36.Rd7+! Kh6 37.Kf3 Rf8+ 38.Ke4 Rf2 39.Kd5 Rf3 (39...Rd2+ 40.Kc6 Rxc2 41.b3 Rh2 42.Kxc5 Rxh3 43.Kxb4 Rxg3 44.c5 Rg4+ 45.Kb5 h4 46.c6 Rg5+ 47.Kb4 Rg4+ 48.Kc5 Rg5+ 49.Kd6 Rg3 50.c7 Rd3+ 51.Kc6 Rc3+ 52.Kb7 h3 53.Rd8 Kh7 54.Rd3 Rxd3 (54...h2 55.Rxc3 h1Q+ 56.Rc6+–) 55.c8Q h2 56.Qc7++–) 40.Kxc5 Rxg3 41.Rd3 h4 42.Kxb4 Rxd3 43.cxd3 g5 44.c5 g4 45.hxg4 h3 46.c6 h2 47.c7 h1Q 48.c8Q Qb1 49.Qh8+ Kg5 50.Qh5+ Kf4 51.Qf5+ Kg3 52.Ka3; 36.Kf3 Rf8+ 37.Kg2 a5 (37...Re8 38.Rd7+ Kh6 39.Kf3 Rf8+ 40.Ke4± Rf2 41.Kd5 a5 42.Kxc5 Rxc2 43.b3 Rxa2 44.Kb5+–) 38.Rd5 Re8 39.Kf3 Rf8+ 40.Ke3 Re8+ 41.Kf2 Rc8 42.b3 Kf6 43.h4±; 36.Rd2 Re4 37.b3 Re3 38.Rd6 Rc3 39.Ra6 g5!]½–½

⚪️#11 (Strategy-White to Move)
🔸Lodici,Lorenzo (2458)
🔸Ozen,Bahadir (2326)
🔸57th World Juniors 2018

Unity Chess Strategy Multiple Choice 11
public poll

A: 19.h4 – 13
👍👍👍👍👍👍👍 81%
@TakTakin, @Asaman123, Jonas, Nikhil, Vincent, @Jam0007, @Sophia_Peng, @RichardPeng, Michael, Alan, Sanjana, @chessnoob, Matthew

B: 19.Bxg6 – 2
👍 13%
Jayden, Alexander

C: 19.Be1 – 1
👍 6%
Zhenrui

👥 16 people voted so far.

⚫️#11 (Endgame-Black to Move)
🔸Wong,Yinn Long (2261)
🔸Ozer,Omer Faruk (2388)
🔸57th World Juniors 2018

Unity Chess Endgame Multiple Choice 11
public poll

A: 81.Kf2 – 14
👍👍👍👍👍👍👍 93%
Jonas, Nikhil, Jayden, Vincent, @M_kamali3010, @Jam0007, Alexander, @Sophia_Peng, @RichardPeng, Michael, Zhenrui, Sanjana, @chessnoob, Matthew

B: 81.Ke2 – 1
👍 7%
Alan

C: 81.Kg2
▫️ 0%

👥 15 people voted so far.

🅾️ Today is birthday of Pouya Idani !!
Iranian chess grandmaster

❤️🌹💐☘️🌷🌺🌸❤️ Happy birthday Dear Pouya!! 👏👏👏👏
. . . . . . . . . . . . .
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Susan Polgar:

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Black to move and win...

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17th Chess Olympiad, 1966 Havana, USSR Winners.

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