(1) Charousek,R - Gruenn [C25]
Miskolc Wijk aan Zee NED, 1890



1.e4 e5 2.Nc3 Nc6 3.f4 exf4
King's Gambit

4.d4
In exchange for the pawn, white gains control over the center

4...Qh4+ 5.Ke2
One of Steinitz's pet variations. Any takers today?

5...d5 6.exd5
[6.Nxd5 Bg4+ 7.Nf3 0-0-0 8.Bxf4 Nf6 9.Nxc7? Nxd4+ ]

6...Bg4+ 7.Nf3 0-0-0
Offering the Nc6 in exchange for open lines against white's already exposed king

8.dxc6 Bc5
A lot of pinning here, with rapid developmernt possible via Nf6 and Rhe8+

9.cxb7+ Kb8
The black king seems well protected behind the b7-pawn

10.Nb5 a6 11.c3
Returning the piece in order to safeguard the king

11...axb5 12.Qb3 Re8+ 13.Kd3 Bxf3
[13...Bf5+!? 14.Kd2 Qf2+ 15.Kd1 Bg4 16.Bd2 (16.Bxb5 Qxg2 ) 16...Bxf3+ 17.gxf3 Qxf3+ 18.Kc2 Qxh1 19.dxc5 Nf6 20.Qxb5 (20.Bxb5!? ) ]

14.gxf3
[14.Qxb5 Be4+ ]

14...Qe1?
[14...Qf2 15.Qxb5 Qxf3+ 16.Kc4 Nf6 ]

15.Kc2 Bb6 16.Qxb5 Nf6
aiming to complete his development. Meanwhile, the Qe1 is pinning both of white's bishops

17.Qa6
threatening mate in 1 with Qa8# [17.Bxf4 Qxa1 18.Qxb6+- ]

17...Ba7
Diagram

18.Bxf4
Rook sac #1

18...Qxa1 19.Bxc7+! Kxc7 20.Qxa7
the threat is b8(Q)++ Amazingly, the black king is more exposed than white's!

20...Rb8 21.Bb5!
Rook sac #2 [21.Qa5+ Kxb7 22.Ba6++- ]

21...Qxh1
it's white to move and mate in three

22.Qc5+ Kxb7
[22...Kd8 23.Qd6+ Nd7 24.Qxd7# ]

23.Qc6+ Ka7 24.Qa6# 1-0