1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Nbd7 7.O-O a6 8.f4 Qc7 9.g4 b5 10.a3 Bb7 11.Bf3 Nc5 12.Qe2 e5 13.Nf5 g6 14.fxe5 dxe5 15.Nh6 Ne6 16.Bg2 Bg7 17. ?
What will be the next move ?
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 O-O 8.Bb3 Ng4 9.Qxg4 Nxd4 10.Qh4 Qa5 11.O-O Bf6 12 ?
What will be the next move ?
Even great players have bad days
[Event "?"]
[Site "Rostov-on-Don 1st category"]
[Date "1936.??.??"]
[Round "?"]
[White "Konstantinov A"]
[Black "Nezhmetdinov R"]
[Result "0-1"]
[ECO "B12/04"]
1.e4 e6 2.d4 d5 3.e5 c5 4.dxc5 Bxc5
5.Bd3 Nc6 6.Qe2 Qc7 7.Nf3 Nd4 8.Nxd4 Bxd4
9.f4 Ne7 10.Na3 a6 11.c3 Bxc3+ 12.bxc3 Qxc3+
13.Qd2 Qxa1
What is the one move that caused Konstantinov to resign on the spot?
