MESON Chess Problem Database
Problem Display
PID: 47174 (8/8/1K2n3/8/B7/2k5/2N1P3/3Q4 w - - 0 1)
Hermanson, Halvar
Problemisten, 1949
#2
5 + 2
| 4883 | Still More Fun with Chess Miniatures | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Kb2
- 2.Qa1#
- 1...Kc4
- 2.Qd3#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Kb2
- Tries
- 1.Ka5?
- 1...Kb2
- 2.Qa1#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Kc4!
- 1...Kb2
- 1.Kb5?
- 1...Sd4+
- 2.Qxd4#
- 1...Kb2
- 2.Qa1#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Sc7+!
- 1...Sd4+
- 1.Kc6?
- 1...Sd4+
- 2.Qxd4#
- 1...Kb2
- 2.Qa1#
- 1...Kc4
- 2.Qd3#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Sd8+!
- 1...Sd4+
- 1.Ka7?
- 1...Kb2
- 2.Qa1#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Kc4!
- 1...Kb2
- 1.Qa1+?
- 1...Kd2
- 2.Qe1#
- 1...Kc4!
- 1...Kd2
- 1.Qe1+?
- 1...Kb2
- 2.Qa1#
- 1...Kc4!
- 1...Kb2
- 1.Qg1?
- 1...Kb2
- 2.Qa1#
- 1...Kd2
- 2.Qe1#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Kc4!
- 1...Kb2
- 1.Qd5?
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Kb2!
- 1...Sd4
- 1.Qd6?
- threat
- 2.Qb4#
- 1...Kc4
- 2.Qd3#
- 1...Sc5
- 2.Qd4#
- 1...Kb2!
- threat
- 1.Qd7?
- 1...Kc4
- 2.Qd3#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Kb2!
- 1...Kc4
- 1.e3?
- 1...Kb2
- 2.Qa1#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Kc4!
- 1...Kb2
- 1.e4?
- 1...Kb2
- 2.Qa1#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Kc4!
- 1...Kb2
- 1.Ka5?
- Keys
- 1.Qb1!
- threat
- 2.Qb4#
- 1...Kd2
- 2.Qe1#
- 1...Kc4
- 2.Qb3#
- threat
- 1.Qb1!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- K(a);S_FLIGHT::QAB1(A)
- K(a);P-FLIGHT::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- K(a);S_FLIGHT::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Refutation
- K(a);P-FLIGHT
- Try
- K(E);P-FLIGHT
- Vars
- S(b);CHECK,N_GUARD::QAB1(A),XS(b)
- K(a);S_FLIGHT::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- Refutation
- S(b);CHECK
- Try
- K(E);P-FLIGHT
- Vars
- S(b);CHECK,N_GUARD::QAB1(A),XS(b)
- K(a);S_FLIGHT::QAB1(A)
- K(a);P-FLIGHT::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- Refutation
- S(b);CHECK
- Try
- K(E);S_FLIGHT
- Vars
- K(a);S_FLIGHT::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(a);S_FLIGHT::QAB1(A)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(a);S_FLIGHT::QAB1(A)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(A);
- Vars
- K(a);S_FLIGHT::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(A);
- Vars
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- K(a);P-FLIGHT::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(A);
- Vars
- K(a);P-FLIGHT::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Refutation
- K(a);S_FLIGHT
- Try
- P(C);
- Vars
- K(a);S_FLIGHT::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Refutation
- K(a);P-FLIGHT
- Try
- P(C);
- Vars
- K(a);S_FLIGHT::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- Q(A);
- Threat
- QAB1(A)
- Vars
- K(a);S_FLIGHT::QAB1(A)
- K(a);P-FLIGHT::QAB1(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).