The Adventure of Chess Programming (Part 2)

https://goo.gl/j8J9NL

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The 17-year-old Jan Timman, pictured in play in the Dutch championship at Leeuwarden, 8th April 1969.

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Cairns Cup: Gunina Catches Kosteniuk After 'Insane' Round

https://goo.gl/qiXMH5

🔹 2019 Cairns Cup-R6
🔹 PGN format

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Chess, a candidate sport for the Paris 2024 Olympic Games

🔸chess.com IoM Masters Douglas ENG 2018
🔸Round 3
⚪️Hess,Robert (2574)
⚫️Wojtaszek,Radoslaw (2727)
🔸0-1

30...Nf8! [The principle of the worst piece. Black tries to improve the position of his knight.]

31.e3 Ne6 [△Ng5]

32.h4 g5! 33.hxg5 [If 33.Rdd1? , then 33...gxh4! 34.gxh4 Rd8 35.Ke2 e4 36.Nf4 Rxd1 37.Kxd1 Nxf4 38.exf4 Ke6–+]

33...Nxg5 34.Ne1 Ne4 [Finally, the knight has reached its dream square in the center.]

35.Rdb2 Rc1 36.Kg2 Rxb1 37.Rxb1 Rc3 38.Rd1 Nc5–+ [38...Rxb3!? 39.Rd5 Rb2 40.Rxa5 Nxf2 41.Kf1 b3 42.Rb5 e4 43.a5 Nh3 44.Ng2 Rf2+ 45.Ke1 Rxg2–+]

0–1

⚫️#139 (Strategy-Black to Move)
🔸Moradi,A (2318)
🔸Daghli,Arash (2367)
🔸Bushehr IRI 2019

16...Rf4!! [A well-known exchange sacrifice in great Petrosian's style!]

[16...Qe7?! 17.Kb1± 17...Rf4; 16...a3?! 17.b4 Na4 18.Nxa4 Rxa4 19.c5+–]

17.Rg3 [17.Bxf4? exf4 and the g7 bishop would become a monster.]

17...Qf8„ [Unlike the evaluation of engines, Black has enough counterplay.]

½–½

⚫️#139 (Endgame-Black to Move)
🔸Carlsen,M (2835)
🔸Mamedyarov,S (2817)
🔸Wijk aan Zee NED 2019

44...h5? [44...e3!! 45.Bxb5 Kd4 46.Kf1 f4 47.Ke1 Kc3 48.Ba4 Rxg2 49.Bd1 (49.a7? f3–+) 49...Rg1+ 50.Ke2 Rg2+ 51.Ke1 Rg1+=; 44...Kd4! 45.Bxb5 e3 TR]

45.Bxb5 g4 [45...e3 46.Bc4 Ra1+ 47.Kh2 Kd4 (47...Ra3 48.Nb3 e2 49.Bxe2 Rxb3 50.b5 Ra3 51.b6+–) 48.Nb3+; 45...Kd4? 46.Ba4+–]

46.hxg4 hxg4 47.Bc4 Ra1+ 48.Kh2 f4 49.b5 f3 50.b6 Kf4 51.Nxe4

1–0

⚪️#140 (Strategy-White to Move)
🔸Gholami,A (2488)
🔸Gholami Orimi,Mahdi (2375)
🔸Bushehr IRI 2019

Unity Chess Strategy Multiple Choice 140
public poll

A) Bh3 – 16
👍👍👍👍👍👍👍 100%
@David_Civil, @fantastic45, Gavin, Nikhil, @SteveWongso, Venkat, @Somebody_Sophia, @RichardPeng, @AryanLeekha, مجید, @arash22_d, Michael, Hansika, Daniel, Matthew, Kasyap

B) Bf4
▫️ 0%

C) e3
▫️ 0%

👥 16 people voted so far.

⚪️#140 (Endgame-White to Move)
🔸Kramnik,V (2777)
🔸Anand,V (2773)
🔸Wijk aan Zee NED 2019

Unity Chess Endgame Multiple Choice 140
public poll

A) Rah4 – 11
👍👍👍👍👍👍👍 69%
@Mehdisharafifar, @fantastic45, Nikhil, @RichardPeng, @AryanLeekha, Amir, Michael, Hansika, Daniel, Matthew, Kasyap

C) f4 – 4
👍👍👍 25%
@David_Civil, Gavin, @SteveWongso, @Somebody_Sophia

B) c4 – 1
👍 6%
Babak

👥 16 people voted so far.

Boris Spassky, pictured in Moscow at the time of his 1966 World Chess Championship match vs Tigran Petrosian.

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