MESON Chess Problem Database
Problem Display
PID: 85849 (8/2B2q2/8/3N4/3R4/8/4R3/K1k5 w - - 0 1)
Speckmann, Werner
Deutsche Schachzeitung, 1972
#2
5 + 2
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxd5
- 2.Bf4#
- 1...Qh5
- 2.Bf4#
- 1...Qg6
- 2.Bf4#
- 1...Qg8
- 2.Bf4#
- 1...Qf4
- 2.Bxf4#
- 1...Qd7
- 2.Bf4#
- 1...Qg7
- 2.Bf4#
- 1...Qh7
- 2.Bf4#
- 1...Qxd5
- Tries
- 1.Sb4?
- threat
- 2.Re1#
- 2.Rc2#
- 1...Qa2+
- 2.Sxa2#
- 1...Qxc7
- 2.Sa2#
- 2.Re1#
- 1...Qc4
- 2.Bf4#
- 2.Re1#
- 1...Qh5
- 2.Sa2#
- 2.Bf4#
- 2.Rc2#
- 1...Qe6
- 2.Rc2#
- 1...Qg6
- 2.Sa2#
- 2.Bf4#
- 2.Re1#
- 1...Qe8
- 2.Sa2#
- 2.Rc2#
- 1...Qf1
- 2.Sa2#
- 2.Rc2#
- 1...Qf2
- 2.Sa2#
- 1...Qf3
- 2.Sa2#
- 2.Rc2#
- 1...Qf5
- 2.Sa2#
- 2.Re1#
- 1...Qe7
- 2.Sa2#
- 2.Rc2#
- 1...Qh7
- 2.Sa2#
- 2.Bf4#
- 2.Re1#
- 1...Qb3!
- threat
- 1.Sb4?
- Keys
- 1.Sc3!
- threat
- 2.Rd1#
- 1...Qa2+
- 2.Sxa2#
- 1...Qb3
- 2.Bf4#
- 1...Qd5
- 2.Bf4#
- 1...Qf1
- 2.Sa2#
- 1...Qd7
- 2.Sa2#
- 2.Bf4#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- Q(b);N_GUARD,XS(D)::B(E)
- Q(b);N_GUARD::B(E)
- Q(b);N_GUARD::B(E),XQ(b)
- Q(b);N_GUARD,P_PINR(C)::B(E)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,N_GUARD::S(D),XQ(b)
- Q(b);::R1(B)
- Q(b);N_GUARD::S(D)
- Refutation
- Q(b);
- Try
- Actual
- S(D);
- Threat
- R1(C)
- Vars
- Q(b);CHECK,N_GUARD::S(D),XQ(b)
- Q(b);N_GUARD::B(E)
- Q(b);N_GUARD::S(D)
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).