MESON Chess Problem Database
Problem Display
PID: 7742 (n1Q1K1R1/2p1PN1P/5kB1/b3p3/1p4p1/2Bp2pq/6n1/4rr1b w - - 0 1)
Herzberg, Michael
Landeszeitung fur die Luneburger Heide, 1993
#2
8 + 14
| 6113 | Problemschach-Jahrbuch (1993) | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bxe5#
- 1...Rb1
- 2.Bxe5#
- 1...Rc1
- 2.Bxe5#
- 1...Rd1
- 2.Bxe5#
- 1...Rg1
- 2.Qf5#
- 1...Rf5
- 2.Qxf5#
- 1...Se3
- 2.Bxe5#
- 1...Sf4
- 2.Qf5#
- 1...Sh4
- 2.h8Q#
- 2.h8B#
- 1...c5
- 2.Qc6#
- 1...c6
- 2.Qxc6#
- 1...Ra1
- Tries
- 1.Bh5?
- threat
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...bxc3
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Qh2
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Qh4
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Ra1
- 2.Bxe5#
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Rb1
- 2.Bxe5#
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Rc1
- 2.Bxe5#
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Rd1
- 2.Bxe5#
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Re2
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Re3
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Re4
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Rg1
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Rf2
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Rf3
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Rf4
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Rf5
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Bb6
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Se3
- 2.Bxe5#
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Sf4
- 2.h8Q#
- 2.h8B#
- 1...Sh4
- 2.h8Q#
- 2.h8B#
- 1...Sb6
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...d2
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...b3
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...c5
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...c6
- 2.Rg6#
- 2.h8Q#
- 2.h8B#
- 1...Qxh5!
- threat
- 1.Bh5?
- Keys
- 1.Qd7!
- threat
- 2.Qc6#
- 1...Se3
- 2.Bxe5#
- 1...Sf4
- 2.Qf5#
- 1...Sh4
- 2.h8Q#
- 2.h8B#
- 1...c6
- 2.Qxc6#
- 2.Qd6#
- threat
- 1.Qd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(a);N_GUARD::B(A),XP(k)
- R(b);N_GUARD::QAR1(F)
- R(b);N_GUARD::QAR1(F),XR(b)
- S(d);S_CUTR(a)::B(A),XP(k)
- S(d);S_CUTR(b)::QAR1(F)
- S(d);S_CUTQ(g)::P=Q
- P(m);OGATE::QAR(F)
- P(m);OGATE::QAR(F),XP(m)
- Tries
- Try
- B(B);
- Threat
- DUALS(3)
- Vars
- S(d);::P=Q
- Refutation
- Q(g);P_PINS(D),XB(B)
- Try
- Actual
- Q(F);
- Threat
- QAR(F)
- Vars
- S(d);S_CUTR(a)::B(A),XP(k)
- S(d);S_CUTR(b)::QAR1(F)
- S(d);S_CUTQ(g)::P=Q
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).