MESON Chess Problem Database
Problem Display
PID: 161136 (8/6Q1/ppP5/kBP5/2P5/1K6/p7/3n4 w - - 0 1)
Albrecht, Hermann
Der getreue Eckart, 1935
#2
6 + 5
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...a1Q
- 2.Qxa1#
- 1...a1S+
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...axb5
- 2.Qa7#
- 1...bxc5
- 2.Qc7#
- 1...Sb2
- Tries
- 1.Qa1?
- threat
- 2.Qxa2#
- 1...Sb2
- 2.Qe1#
- 1...Sc3
- 2.Qxc3#
- 1...bxc5!
- threat
- 1.Qd4?
- 1...a1S+
- 2.Qxa1#
- 1...bxc5
- 2.Qd8#
- 1...a1Q
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Sb2
- 2.Qc3#
- 2.Qd2#
- 1...Sf2
- 2.Qc3#
- 2.Qd2#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 2.Qd2#
- 1...axb5!
- 1...a1S+
- 1.Qe5?
- 1...a1S+
- 2.Qxa1#
- 1...bxc5
- 2.Qc7#
- 1...a1Q
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Sb2
- 2.Qc3#
- 2.Qe1#
- 1...Sf2
- 2.Qc3#
- 2.Qe1#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...axb5!
- 1...a1S+
- 1.Qf6?
- 1...a1S+
- 2.Qxa1#
- 1...bxc5
- 2.Qd8#
- 1...a1Q
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...axb5!
- 1...a1S+
- 1.Qa7?
- threat
- 2.Qxb6#
- 2.Qxa6#
- 1...bxc5
- 2.Qxa6#
- 2.Qc7#
- 1...a1S+!
- threat
- 1.Qb7?
- threat
- 2.Qxa6#
- 2.Qxb6#
- 1...axb5
- 2.Qa8#
- 2.Qxb6#
- 2.Qa7#
- 1...bxc5
- 2.Qxa6#
- 2.Qc7#
- 1...a1S+!
- threat
- 1.Qa1?
- Keys
- 1.Qh8!
- 1...a1S+
- 2.Qxa1#
- 1...axb5
- 2.Qa8#
- 1...bxc5
- 2.Qd8#
- 1...a1Q
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...a1S+
- 1.Qh8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB(F)
- S(a);N_GUARD::QAB(F),XS(a)
- P(b);OGATEB::QAR(F),XQ(b)
- P(b);CHECK,OGATEB::QAR(F),XS(b)
- P(b);OGATEB::QAR(F),XB(b)
- P(b);OGATEB::QAR(F),XR(b)
- P(d);OGATEB,XB(C)::QAR2(F)
- P(e);OGATEB,XP(D)::QAB(F)
- Tries
- Try
- Q(F);P_PINP(b)
- Threat
- QAR(F),XP(b)
- Vars
- S(a);OGATE::QAB(F)
- S(a);N_GUARD::QAB(F),XS(a)
- Refutation
- P(e);XP(D)
- Try
- Q(F);
- Vars
- P(b);CHECK,OGATEB::QAR(F),XS(b)
- P(e);OGATEB,XP(D)::QAB(F)
- P(b);OGATEB::QAR(F),XQ(b)
- P(b);OGATEB::QAR(F),XB(b)
- P(b);OGATEB::QAR(F),XR(b)
- S(a);N_GUARD::QAB(F),XS(a)
- Refutation
- P(d);XB(C)
- Try
- Q(F);
- Vars
- P(b);CHECK,OGATEB::QAR(F),XS(b)
- P(e);OGATEB,XP(D)::QAB(F)
- P(b);OGATEB::QAR(F),XQ(b)
- P(b);OGATEB::QAR(F),XB(b)
- P(b);OGATEB::QAR(F),XR(b)
- S(a);N_GUARD::QAB(F),XS(a)
- S(a);N_GUARD::QAB(F)
- Refutation
- P(d);XB(C)
- Try
- Q(F);
- Vars
- P(b);CHECK,OGATEB::QAR(F),XS(b)
- P(e);OGATEB,XP(D)::QAB(F)
- P(b);OGATEB::QAR(F),XQ(b)
- P(b);OGATEB::QAR(F),XB(b)
- P(b);OGATEB::QAR(F),XR(b)
- S(a);N_GUARD::QAB(F)
- S(a);N_GUARD::QAB(F),XS(a)
- Refutation
- P(d);XB(C)
- Try
- Q(F);P_PINP(d)
- Threat
- DUALS(2)
- Refutation
- P(b);CHECK
- Try
- Q(F);
- Threat
- DUALS(2)
- Refutation
- P(b);CHECK
- Try
- Actual
- Q(F);
- Vars
- P(b);CHECK,OGATEB::QAR(F),XS(b)
- P(d);OGATEB,XB(C)::QAR(F)
- P(e);OGATEB,XP(D)::QAB(F)
- P(b);OGATEB::QAR(F),XQ(b)
- P(b);OGATEB::QAR(F),XB(b)
- P(b);OGATEB::QAR(F),XR(b)
- S(a);N_GUARD::QAB(F)
- S(a);N_GUARD::QAB(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).