MESON Chess Problem Database
Problem Display
PID: 151971 (3N4/2R4K/3p4/4NkP1/4p3/4B3/8/1Q6 w - - 0 1)
Hannemann, Knud Harald
Good Companions (January), 1915
#2
7 + 3
SOLUTION
- SOUND
- Tries
- 1.Rc4?
- threat
- 2.Qxe4#
- 1...Kxe5
- 2.Qxe4#
- 1...d5!
- threat
- 1.Qa2?
- threat
- 2.Qe6#
- 1...Kxe5
- 2.Qe6#
- 1...d5!
- threat
- 1.Qb3?
- threat
- 2.Qe6#
- 1...Kxe5
- 2.Qe6#
- 1...d5!
- threat
- 1.Qb5?
- threat
- 2.Rf7#
- 1...dxe5
- 2.Qd7#
- 1...d5!
- threat
- 1.Qb6?
- 1...dxe5
- 2.Qe6#
- 1...d5
- 2.Qe6#
- 2.Qf6#
- 1...Kxe5!
- 1...dxe5
- 1.Rc4?
- Keys
- 1.Qb8!
- 1...Kxe5
- 2.Rc5#
- 1...dxe5
- 2.Qc8#
- 1...d5
- 2.Rf7#
- 1...Kxe5
- 1.Qb8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(E);
- Threat
- QAB1(A),XP(a)
- Vars
- K(b);N_SPINP(a),P-FLIGHT,XS(C)::QAR1(A),XP(a)
- Refutation
- P(c);
- Try
- Q(A);N_PINP(a)
- Threat
- QAB1(A)
- Vars
- K(b);P-FLIGHT,XS(C)::QAR1(A)
- Refutation
- P(c);
- Try
- Q(A);N_PINP(a)
- Threat
- QAB1(A)
- Vars
- K(b);P-FLIGHT,XS(C)::QAR1(A)
- Refutation
- P(c);
- Try
- Q(A);N_PINP(a)
- Threat
- R(E)
- Vars
- P(c);P_SPINP(c),SBLOCK,XS(C)::QAB(A)
- Refutation
- P(c);
- Try
- Q(A);N_PINP(a)
- Vars
- P(c);OGATE,XS(C)::QAB1(A)
- Refutation
- K(b);P-FLIGHT,XS(C)
- Try
- Actual
- Q(A);N_PINP(a)
- Vars
- K(b);OGATEB,P-FLIGHT,XS(C)::R(E)
- P(c);SBLOCK,XS(C)::QAB(A)
- P(c);::R(E)
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).