[Event "The 64-cup"]
[Site "?"]
[Date "2023.10.06"]
[Round "2-1"]
[White "Excalibur Ivan the Terrible (lv48)"]
[Black "Novag Octo (lv 4)"]
[Result "1-0"]
[WhiteElo "1851"]
[BlackElo "1204"]
[EventDate "2023.09.26"]
[ECO "A40"]
[PlyCount "83"]

1.d4 e6 {No book} 2.Bf4 {Out of book} 2...d5 3.e3 Nf6 4.Bd3 Nc6 5.Nf3 Bd6 6.O-O O-O 7.Nc3 Bd7 8.Ne5 b6 9.Nxd7 Nxd7 10.Bb5 Ne7 11.Bxd6 cxd6 12.Bd3 Rc8 13.Nb5 e5 14.Nxd6 Rc6 15.dxe5 Nxe5 16.Nb5 Qd7 17.Nd4 Rh6 18.c3 Re8 19.Bb5 N7c6 20.f4 a6 21.Bxa6 Ra8 $4 {the Octo creates a threat (RxB) to balance his hanging piece (Knight on e5 square). But after White move Bb5, not only the Bishop escapes the threat, but also it doubles the attacks on c6, pinned in front of the black Queen. Moving the attacked Knight elsewhere was required (Ng4 or Nc4, either immediately or after Nxd4 exd4 )} 22.Bb5 Nc4 23.Nxc6 Rxc6 24.Bxc6 Qxc6 25.Qe2 Nd6 26.Rfd1 Qc5 27.Qd3 h6 28.b4 Qc4 29.Qxd5 Qxd5 30.Rxd5 Rd8 31.Rad1 g6 32.Rxd6 Re8 33.Kf2 b5 34.R1d5 Rc8 35.Rd8+ Rxd8 36.Rxd8+ Kg7 37.Rd5 Kf6 38.Rxb5 Ke6 39.a4 Kf6 40.Rb6+ Kf5 41.Kf3 {Ivan announces mate in 1} 41...h5 42.e4# 1-0

[Event "The 64-cup"]
[Site "?"]
[Date "2023.10.06"]
[Round "2-1"]
[White "Novag Octo (lv 4)"]
[Black "Excalibur Ivan the Terrible (lv48)"]
[Result "0-1"]
[WhiteElo "1204"]
[BlackElo "1851"]
[EventDate "2023.09.26"]
[ECO "B21"]
[PlyCount "68"]

1.e4 {No book} 1...c5 2.d4 cxd4 {Out of book} 3.Qxd4 Nc6 4.Qd5 Nf6 5.Qd3 d5 6.exd5 Nxd5 7.Nf3 e5 8.Nc3 Bb4 9.Be3 $2 {Bd2 was much better} 9...Nxc3 10.bxc3 Qxd3 11.cxd3 $4 {blunders the Rook due to next fork. BxQ was required.} 11...Bxc3+ 12.Ke2 Bxa1 13.Bc5 Be6 14.a3 b6 15.Bd6 Rd8 16.Bc7 $2 {the Bishop has no escape there. Bc5 was way better.} 16...Rd7 17.Nxe5 Nd4+ 18.Ke1 Rxc7 19.f3 Nc2+ 20.Kf2 Bxe5 21.a4 Bd4+ 22.Kg3 Bd7 23.Be2 Bxa4 24.Rc1 Be3 25.Rb1 O-O 26.f4 Rd8 27.f5 Rc5 28.Kg4 Bd7 29.Rf1 Nd4 30.Re1 Rxf5 31.Kh3 Rf3+ 32.Kh4 Nf5+ {Ivan announces mate in 3} 33.Kg4 Rf4+ 34.Kh3 Rh4# 0-1