mate technique you must know (or not)

208 games: Endgame Explorer: BN vs K

Wikipedia article: Bishop and knight checkmate

Ytube vids:
https://www.youtube.com/watch?v=r3E... , https://www.youtube.com/watch?v=ur3... , https://www.youtube.com/watch?v=hWw... (by GM Huschenbeth), https://www.youtube.com/watch?v=PWZ... (Deletang three triangle method) , https://www.youtube.com/watch?v=YFF... (Ushe's fail)

https://www.chess.com/blog/robbie_1...

= = =

Grischuk blitzing it out: https://www.youtube.com/watch?v=xG3...

related game:
Event "Piterenka Blitz 2012"
Site "Moscow RUS"
Date "2012.12.29"
Round "5"
White "Karjakin, Sergey"
Black "Grischuk, Alexander"
Result "0-1"
WhiteElo "2775"
BlackElo "2764"
ECO "C03"

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.c3 e5 5.dxe5 dxe4 6.Qe2 Bf5 7.Nxe4 Qd5 8.Ng3 Bg6 9.Nh3 O-O-O 10.Nf4 Qxe5 11.Qxe5 Nxe5 12.Be2 Nf6 13.O-O Bc5 14.Nxg6 hxg6 15.Bg5 Bb6 16.Bxf6 gxf6 17.Rad1 f5 18.Rxd8+ Rxd8 19.Rd1 Rxd1+ 20.Bxd1 Nd3 21.Kf1 Kd8 22.b4 Nxf2 23.Bb3 Ke7 24.Ke2 Ng4 25.h3 Ne5 26.Nf1 f4 27.Nd2 f5 28.Nc4 Nd7 29.h4 Nf6 30.Ne5 Ne4 31.Nxg6+ Kf6 32.Nxf4 Nxc3+ 33.Kd3 Ne4 34.a4 c6 35.Bc4 Bc7 36.Ne2 Bd6 37.b5 Nc5+ 38.Kc2 Nxa4 39.bxc6 bxc6 40.Nd4 c5 41.Nc6 Nb6 42.Be2 Nd5 43.Nxa7 Ne3+ 44.Kd2 Nxg2 45.h5 Kg5 46.Nb5 Be5 47.Na3 Nf4 48.Bf3 Nxh5 49.Nc4 Bd4 50.Nd6 Nf6 51.Ke2 Kf4 52.Bb7 Be5 53.Nc4 Ne4 54.Bc8 Bd4 55.Bd7 Nf6 56.Bc8 Ne4 57.Bd7 Ng3+ 58.Kd3 Kf3 59.Nd6 f4 60.Bc6+ Kf2 61.Nb7 Nf5 62.Ke4 Ne7 63.Ba4 Kg3 64.Bd1 Ng6 65.Kd5 Ne7+ 66.Kc4 Nf5 67.Bh5 Ne3+ 68.Kd3 f3 69.Nd6 f2 70.Be2 Kg2 71.Ke4 f1=Q 72.Bxf1+ Kxf1 73.Nb7 Ke2 74.Nxc5 Bxc5 75.Ke5 Kd3 76.Ke6 Ke4 77.Kd7 Kd5 78.Kc7 Nc4 79.Kb7 Bb6 80.Ka6 Kc5 81.Kb7 Kb5 82.Kb8 Kc6 83.Ka8 Ne3 84.Kb8 Nd5 85.Ka8 Nc7+ 86.Kb8 Bc5 87.Kc8 Ba7 88.Kd8 Nd5 89.Kc8 Ne7+ 90.Kd8 Kd6 91.Ke8 Ke6 92.Kd8 Bb6+ 93.Ke8 Nf5 94.Kf8 Bc7 95.Ke8 Ng7+ 96.Kf8 Kf6 97.Kg8 Kg6 98.Kf8 Bd6+ 99.Kg8 Nf5 100.Kh8 Be7 101.Kg8 Nh6+ 0-1