Reiner -- Steinitz,William [C44]
Vienna, 1860
1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.0-0
5.Ng5 Nh6 6.Nxf7 Nxf7 7.Bxf7+ Kxf7 8.Qh5+ g6 9.Qxc5 d6 10.Qb5 Re8 Black won in 21 moves Meek,A -- Morphy,P, Mobile 1855. See Meek--Morphy
5.c3 is the main line, but even here Black scores well
5...d6 6.c3 Bg4
White to move
7.Qb3
7.Bb5 dxc3 8.Nxc3 Nge7 9.h3 Bd7 (9...Bh5) 10.Bf4 (10.a3) 10...a6 11.Bc4 Ng6 12.Bg5 Qc8 White won in 40 moves Lapshun,Y (2479) -- Berczes,D (2450), Budapest 2007.
7.Bxf7+ fails 7...Kxf7 8.Ng5+ compounds White's problems 8...Qxg5 9.Bxg5 Bxd1 10.Rxd1-+;
7.Bg5 Nge7
7...Bxf3 8.Bxf7+ Kf8 9.Bxg8
9.gxf3 seems White's best chance. 9...Nf6 10.Bc4=
9...Rxg8 10.gxf3 g5
Black is better, although one master game that reached this position was won by White.
White to move
11.Qe6
11.Nd2 seems useful. White's pieces must get into the game. 11...Ne5 12.cxd4 Bxd4 13.Nc4 Qf6 (13...Qc8? 14.Nxe5 Bxe5 15.Kg2 White won in 42 moves Kopetzky,K -- Spielmann,R, Vienna 1933) 14.Nxe5 Bxe5 and even with the reduced material, White's king is vulnerable.
11...Ne5
White's opening must be judged a failure. A pawn was sacrificed for mobilization, but Black's pieces are better mobilized.
11...Rg6 12.Qf5+ Kg7 13.Kh1 Qe7 14.Rg1 Rf8 15.Bxg5 Rxf5 16.Bxe7 Rh5 17.b4 Bb6 18.Bxd6 cxd6 Black won in 25 moves Karaklajic,N (2405) -- Barle,J (2425), Caorle 1988.
12.Qf5+ Kg7 13.Kh1
13.Bxg5 Nxf3+ 14.Qxf3 Qxg5+ 15.Kh1 Kh8 16.Nd2 Raf8-+;
13.f4 gxf4 14.Bxf4 Kh8+ 15.Kh1 Ng4-+.
13...Kh8 14.Rg1
14.cxd4 Bxd4 15.Nc3 g4-+
14...g4
White to move
15.f4
15.fxg4 Qh4 (15...Rg5 16.Qf4) 16.Bf4 Nxg4 17.Rxg4 (17.Rf1 Raf8) 17...Qxg4 18.Qxg4 Rxg4 19.Bh6 Rxe4-+;
15.Bf4 Qe7 16.Bxe5+ dxe5-+.
15...Nf3
15...Nd3!
16.Rxg4?
16.Nd2 Nxg1-+;
16.Rg2 Nh4-+
White to move
This position is one of the exercises I prepared for my students. I'm sure that it appears in many tactics sets in print and online.
16...Qh4! 17.Rg2
17.Qf6 delays the end.
17...Qxh2+ 18.Rxh2 Rg1# 0-1
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