Originally posted by tim88 [fen]1n2r1k1/pp3p2/6b1/3P2QR/2PP2p1/6q1/PP2B3/3R1K2 w - - 5 31[/fen][fen]1n4k1/pp3p2/6b1/3P2QR/2PP2p1/6q1/PP2r3/3R1K2 w - - 5 31[/fen][fen]1n1Q2k1/pp3p2/6b1/3P3R/2PP2p1/6q1/PP2r3/3R1K2 w - - 5 31[/fen][fen]1n1Q4/pp3pk1/6b1/3P3R/2PP2p1/6q1/PP2r3/3R1K2 w - - 5 31[/fen][fen]1n5Q/pp3pk1/6b1/3P3R/2PP2p1/6q1/PP2r3/3R1K2 w - - 5 31[/fen]
Originally posted by tomtom232 Blacks 30th move was Qg3+. Instead of playing this he should have played Re8+ with the mate described previously by ChessPraxis.
Originally posted by tomtom232 [pgn][FEN "1n3rk1/pp3p2/8/3P1b1R/2PP2p1/5qP1/PP1Q3K/3R1B2 w - - 0 1"]1.Qh6 f6 2.Bg2 Qxd1 3.Rxf5 {this is won for white}[/pgn]
[pgn][FEN "1n3rk1/pp3p2/8/3P1b1R/2PP2p1/5qP1/PP1Q3K/3R1B2 w - - 0 1"]1.Qh6 Qf2 2.Bg2 f6 3.Rf1 {this also wins for white}[/pgn]
This is an instructive position based on the mobility of the white rook.
I will show why the first line in my quoted post wins for white.
FEN
1n3rk1/pp3p2/8/3P1b1R/2PP2p1/5qP1/PP1Q3K/3R1B2 w - - 0 1
[FEN "1n3rk1/pp3p2/8/3P1b1R/2PP2p1/5qP1/PP1Q3K/3R1B2 w - - 0 1"]1.Qh6 f6 2.Bg2 Qxd1 3.Rxf5 Rf7 {it seems that whites threats are stopped and black is just up material however....} 4.Rh5 { ...this renews the mate threats on the king} Rh7 5.Qxh7+ {and we mate thus} Kf8 6.Qh8+ Ke7 7.Rh7+ Kd6 8.Qd8+ Nd7 9.Qxd7