What value are Handicap Tournaments?
Besides giving lower rated players a chance to win a trophy there seems to be little of worth for the rest.
Though how to play when a piece down could be useful.
Tata Steel 2018 Round 8
Magnus Carlsen v Gawain Jones
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 the Dragon 6.Be3 Bg7 7.f3 Nc6 8.Qd2 0-0 9.0-0-0 [also played are 9.Bc4 and 9.g4 ] 9. …. d5 10.Qe1 e5 11.Nxc6 bxc6 12.exd5 Nxd5 13.Bc4 Be6 14.Kb1 Re8 15.Ne4 f5 16.Ng5 Bc8 17.g4? f4 18.h4 fxe3 19.Qxe3 h6 20.Qc5 Bb7 21.Ne4 Re6 22.h5 Qb6 23.g5! hxg5 [ if 23…..Qxc5 24.Nxc5 Re7 25.Nxb7 Rxb7 26.Rxb5 cxd5 27.Bxd5+Kh7 28.Bxb7 Rb8 29.Be4 ] 24.Qa3 Rb8 25.b3 Qd8 26.Qxa7 gxh5 27.Rxh5 Rg6 28.Rxg5!Rxg5 29. Nxg5 Qc8 30 Rg1 Ra8 31.Qb6 Ra6 32.Qc5 Qd7 33.Ne4 Kh8[avoid Nf6+] 34.Qf2 Qe7 35.Bxa6 Bxa6 36.Qh2+ Kg8 37.Qh6 Qa7 38.Qe6+ Kf8 39.Rg5 Ne3 40.Qd6+ Kf7 41.Nc5 Bc8 42. Rxg7+! here Black resigned if …. Kxg7 43.Qxe5+ Kf7 44.Qxe3 guards the knight and the extra pawns will win.