Here Gawain Jones missed 24...Nh3+ 25.Bxh3 Qxh3 26.f3 with the beautiful point 26...Ng4! 27.Nxg4 Bxf3! and wins. However, in the games he looks completely winning anyway:

The Central New Jersey Home News New Brunswick, New Jersey Thursday, June 29, 1972

Pensive — Bobby Fischer's lips are sealed as he contemplates his opening move in one of his semi-final matches in Buenos Aires.
http://bit.ly/2Vfm4Mr
http://bit.ly/2VhhSvK

@UnityChess

The human element, the human flaw and the human nobility - those are the reasons that chess matches are won or lost.

🔸 Viktor Korchnoi

@UnityChess

Anatoly Karpov in play at the Alekhine Memorial Tournament, Moscow, December 1971.

@UnityChess

🔸St Louis Inv GM 2018
🔸Round 8
⚪️Ali Marandi,C (2552)
⚫️Gurevich,D (2393)
🔸1-0

17.Kxd2! [Usually, the king should not be placed in a square that can be attacked by enemy pieces, but here that is justified. Black has no real threats and cannot do anything.]

[17.Qxd2? Bd7 18.Rc5 f6 19.Nxd7 Kxd7!²]

17...Bd7 18.Ke3! [△R×h7]

[18.b3?! Rb4!‚ 19.Ke3 Qb6 20.Qc3 f6 21.Nd3 Rb5 22.Qc7 e5! 23.Qxb6 Rxb6 24.dxe5 Bxg4±]

18...f6 [18...h6 19.Qc7!‚ Qxc7™ 20.Rxc7 Rd8 21.Rhc1 f6 22.Rxd7 fxe5™ (22...Rxd7 23.Rc8+ Rd8 24.Rxd8+ Kxd8 25.Nf7+ Ke7 26.Nxh8+–) 23.Rxg7 exd4+ 24.Kxd4 Rf8 25.f3!+– △Rcc7]

19.Rxh7!+– [19.Rxh7 Rxh7 20.Qg6+! Kd8 (20...Ke7 21.Qf7+ Kd8 22.Qg8+ Be8 23.Nf7+ Ke7 24.Nxd6+–) 21.Nf7+ Ke7 22.Nxd6+–]

⚪️#207 (Strategy-White to Move)
🔸Sredojevic,I (2271)
🔸Klasan,V (2364)
🔸Orbis 2 GM 2018

19.Be3!? [19.Bf4! would be better, activating the bishop with tempo. 19...Rfe8 20.Qc2 Rad8 21.Bd6 Qe6 22.Bc7 Rc8 23.Bf4 Ne5 24.Nxe5 Bxe5 25.Bxe5 Qxe5 26.Rd7²; 19.Nh2 h5 20.Be3 Rad8 21.f4 Qe6 22.e5 Be7=]

19...Rfd8 20.Qc2 Ne6 21.Rd2 Ne5 22.Rad1 Nxf3+ 23.Bxf3 Rxd2 24.Rxd2 Rd8 25.Rxd8+ Qxd8=

0–1

⚫️#207 (Endgame-Black to Move)
🔸Al Ghamdi,Ahmed M (2075)
🔸Zaibi,A (2400)
🔸Emirates ch-Arab 2018

34...g5! [34...Ng8?! 35.g5 g6 36.Bf2 Ne7 37.Kd3 Nc6 38.Ke4 Kd6–+; 34...Nc8?! 35.Kd3 Nd6 36.b4 e4+ 37.fxe4 Nf7 38.g5 g6 39.Bf2 Kd6 40.e5+ Nxe5+ 41.Ke4 Nxc4 42.Bg1 f3 43.Bh2+ Kc6 44.Kxf3 Nd2+ 45.Kg4 Kd5 46.Kf4 a5 47.Bg1 Nc4 48.Bf2 a4 49.bxc5 bxc5 50.Bg1 Ne5 51.Be3 Nd3+ 52.Kf3 Kc4 53.Bd2 Nb2 54.Ke4 Nd1 55.Ke5 Nxc3 56.Bxc3 Kxc3 57.Kf6 Kb2 58.Kxg6 c4 59.Kf6 c3 60.g6 c2–+]

35.Bd2 Ng8 36.b4 Nf6+ 37.Kd3 e4+ 38.Ke2 e3 39.Bc1 Nd7 40.Ba3 Kd6 41.bxc5+ bxc5 42.Bc1 Ne5 43.Bxe3 fxe3 44.Kxe3 Ng6

0–1

⚪️#208 (Strategy-White to Move)
🔸Brynell,S (2409)
🔸Hansen,SuB (2583)
🔸Bistro Stella Limhamn Malmo 2018

Unity Chess Strategy Multiple Choice 208
public poll

A) Nd2 – 5
👍👍👍👍👍👍👍 71%
Nikhil, @Steve_The_Great, @Sophia_Giraffe, Atharva, Karan

C) Na4 – 2
👍👍👍 29%
@mahyarebrahimi1983, @BehroudR

B) Nd1
▫️ 0%

👥 7 people voted so far.

⚪️#208 (Endgame-White to Move)
🔸Talbi,Chafik (2254)
🔸Al Hosani,Omran (2130)
🔸Emirates ch-Arab 2018

Unity Chess Endgame Multiple Choice 208
public poll

C) Rg7+ – 7
👍👍👍👍👍👍👍 70%
@mahyarebrahimi1983, Mohammad, @Behrangm2003, Nikhil, @BehroudR, @Sophia_Giraffe, Atharva

A) Rc2 – 3
👍👍👍 30%
@Steve_The_Great, @raienr, Kasyap

B) g×h4
▫️ 0%

👥 10 people voted so far.

Round 2 of #TePeSigeman is finished:
Harikrishna🇮🇳 vs. 🇮🇷Maghsoodloo 0.5-0.5
Jones🇬🇧 vs. 🇸🇪Grandelius 0.5-0.5
Nisipeanu🇩🇪 vs. 🇮🇳Sarin 0.5-0.5
Hillarp Persson🇸🇪 vs. 🇭🇷Saric 1-0
...Jones and Hillarp Persson in the early lead.