[Event "Chess @ 4pm - Challengers ( Below 1000 "] [Site "?"] [Date "2020.09.10"] [Round "5.2"] [White "Gurumoorthy, Harshad"] [Black "Tanin, Utku"] [Result "1-0"] [WhiteElo "973"] [BlackElo "928"] [FEN "8/8/6R1/P1p3p1/2P2kPp/1P6/7r/3K4 b - - 0 40"] {Black is in a good position, but he didn't understand the endgame ideas as well as Black so lost the game} 1...Rf2 (1...Ra2 {Rooks belong behind passed pawns. Now Black's king can take White's g-pawn and then advance his king side pawns.}) 2.a6 h3 {Now it's a pawn race which is trickier} 3.Rh6 {Behind the passed pawn} h2 4.a7 {White has played well, and both sides should take the other's dangerous pawn} Rf1+ (4...Ra2 5.Rxh2 Rxa7 {and the game will probably end in a draw}) 5.Kd2 h1=Q? {Wins a rook, but let's White promote} (5...Ra1 6.Rxh2 Rxa7 (6...Ra2+ {This check doesn't win the rook because Black must take White's a-pawn before it promotes} 7.Kc3 Rxa7 {and White's king has improved it's position})) 6.Rxh1 Rxh1 7.a8=Q {#r} 1-0