MESON Chess Problem Database
Problem Display
PID: 93840 (8/K1p4p/2N1p2q/p1PN4/4k1B1/Q2p2P1/n4P2/8 w - - 0 1)
Mazel, Eduard
Ceske listy sachove, 1896
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sf6#
- 1...Qd2
- 2.Sf6#
- 1...Qe3
- 2.Sf6#
- 1...Qh1
- 2.Sf6#
- 1...Qh2
- 2.Sf6#
- 1...Qh3
- 2.Sf6#
- 1...Qh5
- 2.Sf6#
- 1...Qf6
- 2.Sxf6#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...d2
- 2.Qf3#
- 1...Qc1
- Tries
- 1.Qb4+?
- 1...Kxd5
- 2.Bf3#
- 1...Sxb4
- 2.Sc3#
- 1...axb4!
- 1...Kxd5
- 1.Qxa2?
- threat
- 2.Sc3#
- 2.Qc4#
- 2.f3#
- 1...d2
- 2.Qc4#
- 1...Qc1
- 2.Sf6#
- 2.f3#
- 1...Qd2
- 2.Sf6#
- 2.Qc4#
- 2.f3#
- 1...Qe3
- 2.Sc3#
- 2.Sf6#
- 1...Qf4
- 2.Sc3#
- 2.Qc4#
- 1...Qg7
- 2.f3#
- 1...Qf8
- 2.Sc3#
- 2.Qc4#
- 1...Qh1
- 2.Sc3#
- 2.Sf6#
- 2.Qc4#
- 1...Qf6
- 2.Sxf6#
- 1...exd5!
- threat
- 1.Qb3?
- threat
- 2.Qc4#
- 2.f3#
- 1...Qc1
- 2.Sf6#
- 2.f3#
- 1...Qe3
- 2.Sf6#
- 1...Qf4
- 2.Qc4#
- 1...Qg7
- 2.f3#
- 1...Qf8
- 2.Qc4#
- 1...Qh1
- 2.Sf6#
- 2.Qc4#
- 1...Qf6
- 2.Sxf6#
- 1...exd5!
- threat
- 1.Qc3?
- threat
- 2.Qd4#
- 2.Qe5#
- 2.Qc4#
- 1...Kxd5
- 2.Bf3#
- 1...Sxc3
- 2.Sxc3#
- 1...exd5
- 2.Qd4#
- 2.Qe5#
- 1...Qc1
- 2.Sf6#
- 2.Qd4#
- 2.Qe5#
- 1...Qe3
- 2.Sf6#
- 2.Qe5#
- 1...Qf4
- 2.Qd4#
- 2.Qc4#
- 1...Qg5
- 2.Qd4#
- 2.Qc4#
- 1...Qh5
- 2.Sf6#
- 2.Qd4#
- 2.Qc4#
- 1...Qf6
- 2.Sxf6#
- 1...d2
- 2.Qd4#
- 2.Qf3#
- 2.Qc4#
- 1...e5
- 2.Qxe5#
- 2.Qc4#
- 1...Qg7!
- threat
- 1.Qa4+?
- 1...Sb4
- 2.Sc3#
- 1...Kxd5!
- 1...Sb4
- 1.Qb4+?
- Keys
- 1.Qc1!
- threat
- 2.Qc4#
- 1...Kxd5
- 2.Bf3#
- 1...Qxc1
- 2.Sf6#
- 1...Sxc1
- 2.Sc3#
- 1...exd5
- 2.f3#
- 1...Qe3
- 2.Sf6#
- 1...Qg7
- 2.Qh1#
- 1...Qf6
- 2.Sxf6#
- 1...Sc3
- 2.Sxc3#
- threat
- 1.Qc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- Q(f);N_GUARD::S(F)
- Q(f);N_GUARD,P_PINP(E)::S(F)
- Q(f);N_GUARD::S(F),XQ(f)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(b);OGATE::QAB1(B)
- Tries
- Try
- Q(B);CHECK
- Vars
- K(c);S_FLIGHT,XS(F)::B(D)
- S(a);XQ(B)::S(F)
- Refutation
- P(d);XQ(B)
- Try
- Q(B);XS(a)
- Threat
- DUALS(3)
- Vars
- P(b);::QAR2(B)
- Q(f);::P(A)
- Q(f);N_GUARD::S(F),XQ(f)
- Refutation
- P(e);XS(F)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(f);N_GUARD,P_PINP(E)::S(F)
- Q(f);::QAR2(B)
- Q(f);::P(A)
- Q(f);N_GUARD::S(F),XQ(f)
- Refutation
- P(e);XS(F)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- K(c);S_FLIGHT,XS(F)::B(D)
- S(a);XQ(B)::S(F),XS(a)
- Q(f);N_GUARD::S(F),XQ(f)
- Refutation
- Q(f);
- Try
- Q(B);CHECK
- Vars
- S(a);P_SPINS(a)::S(F)
- Refutation
- K(c);S_FLIGHT,XS(F)
- Try
- Actual
- Q(B);
- Threat
- QAR2(B)
- Vars
- K(c);S_FLIGHT,XS(F)::B(D)
- Q(f);N_GUARD,XQ(B)::S(F)
- S(a);N_GUARD,XQ(B)::S(F)
- P(e);SBLOCK,XS(F)::P(A)
- Q(f);N_GUARD,P_PINP(E)::S(F)
- Q(f);N_GUARD::QAB(B)
- Q(f);N_GUARD::S(F),XQ(f)
- S(a);N_GUARD::S(F),XS(a)
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).