[Event "61st ch-CUB 2025"]
[Site "Ciego de Avila CUB"]
[Date "2025.02.09"]
[Round "5.5"]
[White "Alvarez Calzadilla, Jose Avelino"]
[Black "Berdayes Ason, Dylan Isidro"]
[Result "1/2-1/2"]
[WhiteElo "2370"]
[BlackElo "2467"]
[ECO "B66"]
[PlyCount "74"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Be7 9.Bxf6 gxf6 10.f4 Nxd4 11.Qxd4 Qa5 12.Be2 Bd7 13.f5 h5 14.Bf3 O-O-O 15.Rd3 Kb8 16.Qe3 Rc8 17.Kb1 Qc5 18.Qe2 h4 19.a3 Rc7 20.Rc1 Rhc8 21.Bh5 Qb6 22.Qe3 Qxe3 23.Rxe3 Rf8 24.Rh3 Rc4 25.Be2 Rcc8 26.Rxh4 Rh8 27.Rxh8 Rxh8 28.h3 exf5 29.exf5 Bxf5 30.Nd5 Bd8 31.Rf1 Be4 32.Bf3 Bg6 33.Re1 Kc8 34.Nf4 Bf5 35.Bd5 Rf8 36.Re3 Kb8 37.b4 Bd7 1/2-1/2