🔹 Shakhriyar Mamedyarov - Vassily Ivanchuk, Moscow 2007
🔹 PGN format
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@unitychess

🔸FIDE World Junior Championships U20 2018
🔸Round 9
⚪️Van Foreest,Jorden (2624)
⚫️Lagunow,Raphael (2403)
🔸½-½

40...Nf5??
German Fide Master throws away a win.
Although Black is a pawn up and the white knight cannot move, there is only one way to win the game.
40...Ne6! 41.Ba7 Be5
A) 42.b6 Nc5 43.Bb8 Nb7 44.Bc7 Bd4 45.f3 Be3 -+
B) 42.Bb6 d5 43.Ba7 d4 -+
41.Bc7 Bd4 42.Nxf4+ gxf4 43.b6 Bxf2 1/2-1/2

🔸FIDE World Junior Championships U20 2018
🔸Round 10
⚪️Maghsoodloo,Parham (2649)
⚫️Vavulin,Maksim (2559)
🔸1-0

16.h4!
Preventing Black from playing ...h4 and preparing to launch his attack on the kingside with Be2, f3-g4.
16...b5 17.f3 f5 18.Be2 Bg7 19.g4 hxg4 20.fxg4 fxg4 21.Rhg1 Rb8 22.Bxg4 Bf7 23.h5! gxh5 24.Bf5 +-

🔸FIDE World Junior Championships U20 2018
🔸Round 10
⚪️Liang,Awonder (2575)
⚫️Lobanov,Sergei (2535)
🔸0-1

10... Ne8!
A typical knight maneuver to carry out ...b5 lever.
11. Bg5 h6 12. Be3 Nc7 13. Qd2 Kh7 14. b4 b5 15. cxb5 axb5 16.Bc2 e5 17. Nh2 Ne6 18. bxc5 b4 19. Na4 dxc5 20. Bb3 Nd4 =

🔸FIDE World Junior Championships U20 2018
🔸Round 10
⚪️Lagunow,Raphael (2403)
⚫️Firouzja,Alireza (2582)
🔸0-1

37.Rh8+??
A strange blunder that White has probably made it in time trouble.
A)37.g4! White's only saving chance.
A1)37...Rxa3 38.gxf5 Bxe1 39.fxg6+ fxg6 40.Bxb5 =
A2)37...hxg4?? 38.Qf8 +-
A3)37...Qc5 38.Qxc5 Rxc5 39.Red1 =
B)37. Qf8?? Qh3+ 38. Kg1 Rxg3+ 39.fxg3 Qxg3+ 40. Kh1 Qxe1+ 41. Kg2 Qxe2+ 42. Kg1 Qg4+ 43. Kh1 Qxh4+ 44. Kg1 Rg5+ 45.Bxg5 Qxg5+ 46.Kh1 Qh4+ 47.Kg2 Qg4+ 48.Kh2 Qf4+ 49.Kg1 Bc3 -+
37...Kxh8 38.Qf8+ Kh7 0-1

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

19. h4!?
19.Bxg6!!
A brilliant bishop sacrifice that has been overlooked by White.
19...hxg6 20. Qxg6+ Kf8 21. e4! Qxa4 22. Qh6+ Kg8 23. Qxe6+ Kh8 24.Qh3+ Kg8 25. Qxd7 Qa6 26. Qg4+ Kf8 27. Qf5+ Kg7 28. Rfe1 c5 29. exd5 Bc8 30.Qe5+ Qf6 (30... Kf7 31. dxc5+-) 31. d6 Qxe5 32. Rxe5
19. Be1!?
After this slow move, White is still better.
19... Ba6 20. Qxc6 Bxd3 21. Rxd3 Bf8 22. a3 (22. Qxd7? Qa6 -/+) 22... Nb6 23. Nxb6 Qxb6 24. Qxb6 axb6 25. Bxb4 Bxb4 26.axb4 Rec8 27. Rc3 Rc4 28. Rxc4 dxc4 29. b5 Ra2 30. Rb1 Ra5 31. Rc1 Rxb5 32.Rxc4 Rxb2 33. Rc8+ Kf7 34. Rc7+ Kf8 35. h4 h5 36. Kh2+/-
19... c5 20. Nxc5
20. Bxg6! hxg6 21. Qxg6+ Kf8 22. b3 Bd6 23. e4+/-
20... Nxc5 21. dxc5 Qxc5 22. Bxg6 Qxc2 23. Bxc2 Bf6 24. b3 Rec8 25. Bd3 a5 26. e4 a4 27. e5 Be7 28. f4 axb3 29. axb3 Ba6 30. Bxa6 Rxa6 31. Rd3 Ra2 32. Bd4 Bxh4 33. f5 exf5 34. Rh3 Bg5?
Black misses his opportunity to obtain a draw.
34... Be7! 35. e6 Bd6 36. Rh5 Be7 37. Rhxf5 Re2=
35. Rxf5 h6 36. e6 Bd2 37. Rf7 Rc1+ 38. Kh2 Re1 39. Rg7+ Kf8 40. Rf3+ Ke8 41. Bc5
1-0

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

81...Kf2! [81...Ke2 82.Kc2 Ke1 83.Kc1 Ke2 84.Kc2 Ke3 85.Kc3 Ke4 86.Kc2 Ke5 87.Kc3=; 81...Kg2 82.Kc2 Kf3 83.Kd2 Kf2 84.Kd3 Ke1 85.Ke4 Kd2 86.Kd5 Kc3 87.Kxd6 Kxb3 88.Kxc5 Kxa4 89.Kb6 Kb3 90.c5 a4=; 81...Kf2! 82.Kb2 Kf3 83.Kc3 Ke3 84.Kc2 Ke2 85.Kc3 Kd1 86.Kb2 Kd2 87.Kb1 Kc3 88.Ka2 Kc2 89.Ka3 Kb1 90.b4 cxb4+ 91.Kb3 Kc1 92.c5 dxc5 93.Kc4 Kc2 94.Kb5 b3–+] ½–½

⚫️#12 (Strategy-Black to Move)
🔸Celik,Eylul (2014)
🔸Zhu,Jiner (2364)
🔸57th World Juniors 2018

Unity Chess Strategy Multiple Choice 12
public poll

B: 20...Qg6 – 6
👍👍👍👍👍👍👍 50%
@Rashidi_1997, Alexander, @RichardPeng, Michael, Zhenrui, @chessnoob

A: 20...Bxh6 – 3
👍👍👍👍 25%
@EZCHESS, @Sophia_Peng, @Tnassiiii

C: 20...f4 – 3
👍👍👍👍 25%
Jayden, @AryanLeekha, Alan

👥 12 people voted so far.

⚫️#12 (Endgame-Black to Move)
🔸Karthikeyan,Murali (2605)
🔸Gavrilescu,David (2470)
🔸57th World Juniors 2018

Unity Chess Endgame Multiple Choice 12
public poll

A: 37...Rf3 – 10
👍👍👍👍👍👍👍 91%
España 🇪🇸, @Rashidi_1997, Jayden, @EZCHESS, Alexander, @Sophia_Peng, @AryanLeekha, Michael, Zhenrui, Alan

B: 37...ke3 – 1
👍 9%
@RichardPeng

C: 37...h6
▫️ 0%

👥 11 people voted so far.