[Event "Open Città di Bolzano"] [Site "Bolzano"] [Date "2017.02.04"] [Round "3.5"] [White "Sadilek, Peter"] [Black "Olivetti, Davide"] [WhiteElo "2254"] [BlackElo "2106"] [EventType "swiss"] [EventRounds "5"] [EventCountry "ITA"] [FEN "r1bq2k1/1pp2rb1/n2p1n1B/p2P2Qp/2P1p2N/2N2pPP/PPB2P2/R3K2R b KQ - 0 19"] 1...Nb4 {After a wild theoretical opening (Petrosian system in the King's Indian), White emerged on top, but there are still complications. It's actually possible to capture on e4:} 2.Bxe4!? Qe8 {_MARK:e4?,e8->e1?_} 3.O-O! {sacrificing the piece for an obvious attack down the e-file. I was pleased of course!} Nxe4 4.Nxe4 Qe5! { the best defense, but I'm still up material and was able to convert later} (4...{ it is forbidden to munch the bishop on e4:} Qxe4 5.Rfe1 { and Black will be brutally stabbed on the e-file: _MARK:e8?,g8?,e1->e8!,e8->g8!_} Qd4 (5...Qh7 6.Re8+ Rf8 7.Rxf8+ Kxf8 8.Qd8+ (8.Qf6+ Kg8) 8...Kf7 9.Re1 $18) (5...Qc2 6.Re8+ Rf8 (6...Kh7 7.Bxg7) 7.Qxg7#) 6.Re8+ Rf8 7.Re7 Rf7 8.Rxf7 Kxf7 9.Re1 Qf6 10.Qxh5+ $18) 5.Bxg7 Qxg7 (5...{ it is forbidden to munch the bishop on e4:} Qxg5 6.Nxg5 Rxg7 7.Nhxf3) 6.Qxg7+ (6.{ it is forbidden to munch the bishop on e4:} Qxh5 Bxh3) 6...Kxg7 (6...{ it is forbidden to munch the bishop on e4:} Rxg7 7.Nf6+ {_MARK:g8?,h5?,f6->g8!,f6->h5!_}) 7.Ng5 Rf6 (7...{ it is forbidden to munch the bishop on e4:} Re7 8.Rfe1 (8.Nhxf3 Re2)) 8.Rae1 { etc. and many moves later, I converted my extra pawn.} *