Via AP_Archive, footage of the 1977 Candidates Semi-final match between Boris Spassky and Lajos Portisch, which took place in Geneva.
Spassky won this match, which lasted nearly 7 weeks(!), 8½:6½.

@UnityChess

Move of the day :

27...Nf3+! (0-1)

Eugenio Torre - Jan Timman, Hamburg, 1982

32nd edition of “Magistral de Leon” tournament starts on July 5 with a very interesting lineup: legendary Vassily Ivanchuk, young stars 18-y-o Parham Maghsoodloo and 14-y-o Nihal Sarin, local hero Jaime Santos.

Mamedyarov's win over Anand leaves Nakamura alone in last place
Wesley So remains half a point behind before he plays Magnus Carlsen with White in tomorrow's penultimate round!

https://chess24.com/en/watch/live-tournaments/grand-chess-tour-croatia-2019/9/1/5

We have a big clash in the penultimate round! If Carlsen wins tomorrow with the black pieces, he will clinch the tournament with a round to spare. What's your prediction?

⚫️#252 (Strategy-Black to Move)
🔸Sonis,Francesco (2499)
🔸David,Alb (2555)
🔸78th ch-ITA 2018

18...Be6! [White develops his bishop to a good square and prepares to simplify the position due to the opponent weak d4–pawn.]

[18...a5!? 19.Bf4 Be6 20.Nd2 a4 21.a3 Ba5 22.Re2 Rfd8 23.Ne4 Rxd4 24.Nd6 Rb8 25.Rb1 Nd7µ; 18...h6 19.Bf4 Be6 20.Nd2 Nd5 21.Bxd5 Bxd5=/+]

19.Bf4 a5 20.Nd2 a4 21.Ne4?! Nxe4 22.Bxe4 Bf6-/+

0–1

⚫️#252 (Endgame-Black to Move)
🔸Gueci,Tea (2184)
🔸Sedina,E (2263)
🔸78th ch-ITA 2018

43...Rb2! [43...Rd2 44.Bxa7 c2 45.Rc1 Rd3+ 46.Kg2 Ra3 47.Rxc2 Rxa6 48.Bc5 Kf7 49.Re2 Re6 50.Rb2 h5 51.Rxb5 g4 52.Bb6 Kg6 53.Bc7+–; 43...h5 44.Bxa7 Re2 45.Bb8 c2 46.a7 c1R 47.Rxc1 Re3+ 48.Kg2 Ra3 49.Rc5 h4 50.Rxd5 g4 51.Rxb5+–]

44.Bxa7 c2 45.Rc1 b4 46.Bc5 b3 47.a7 Ra2

0–1

🔸15th Vasylyshyn GM 2018
🔸Round 8
⚪️Oglaza,Oskar (2310)
⚫️Vovk,Y (2565)
🔸0-1

15...Rxc4!? [A little combination that leads to simplify the position. It is obvious that due to the isolated pawn on d4, the ending would be in Black's favor.]

[15...Qe7? 16.d5! e5 17.Nd4! e4 18.Nc6 Bxc6 19.dxc6 Ne5 20.Bb5±]

16.Rxc4 Ba6 17.Rfc1 Bxc4 18.Rxc4 Qa8! [N×d5]

19.Qc1 Nd5=

0–1

⚪️#253 (Strategy-White to Move)
🔸Garcia Palermo,C (2391)
🔸Godena,M (2463)
🔸78th ch-ITA 2018

Unity Chess Strategy Multiple Choice 253
public poll

B) e4 – 5
👍👍👍👍👍👍👍 45%
Nikhil, @Steve1234567890qwerty, @MerissaWongso, @SophiaCat_does_Chess, TheBestBoss@_Kasyap

C) Rfa1 – 4
👍👍👍👍👍👍 36%
@fantastic45, S.f, Majid, @Khoda1745

A) Nc3 – 2
👍👍👍 18%
@afshintab, @RahmaniArapardaz

👥 11 people voted so far.