MESON Chess Problem Database
Problem Display
PID: 93297 (Q7/8/1B6/nkP5/R7/8/K7/8 w - - 0 1)
Tuxen, Harri Viggo
Skakbladet, 1960
#2
5 + 2
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxa4
- 2.Qxa5#
- 1...Sb3
- 2.Qe8#
- 1...Sc4
- 2.Qe8#
- 1...Sc6
- 2.Qa6#
- 1...Sb7
- 2.Qe8#
- 1...Kxa4
- Tries
- 1.Kb1?
- 1...Sb3
- 2.Qe8#
- 1...Sc4
- 2.Qe8#
- 1...Sc6
- 2.Qa6#
- 1...Sb7
- 2.Qe8#
- 1...Kxa4!
- 1...Sb3
- 1.Kb2?
- 1...Kxa4
- 2.Qxa5#
- 1...Sb3
- 2.Qe8#
- 1...Sc6
- 2.Qa6#
- 1...Sb7
- 2.Qe8#
- 1...Sc4+!
- 1...Kxa4
- 1.Ka3?
- threat
- 2.Rb4#
- 1...Sb7
- 2.Qe8#
- 1...Sc6
- 2.Qa6#
- 1...Sc4+!
- threat
- 1.Rd4?
- 1...Sb7
- 2.Qa4#
- 1...Sb3
- 2.Qa4#
- 1...Sc6
- 2.Qa4#
- 1...Sc4!
- 1...Sb7
- 1.Re4?
- 1...Sb7
- 2.Qa4#
- 1...Sb3
- 2.Qa4#
- 1...Sc6
- 2.Qa4#
- 1...Sc4!
- 1...Sb7
- 1.Rf4?
- 1...Sb7
- 2.Qa4#
- 1...Sb3
- 2.Qa4#
- 1...Sc6
- 2.Qa4#
- 1...Sc4!
- 1...Sb7
- 1.Rg4?
- 1...Sb7
- 2.Qa4#
- 1...Sb3
- 2.Qa4#
- 1...Sc6
- 2.Qa4#
- 1...Sc4!
- 1...Sb7
- 1.Rh4?
- 1...Sb7
- 2.Qa4#
- 1...Sb3
- 2.Qa4#
- 1...Sc6
- 2.Qa4#
- 1...Sc4!
- 1...Sb7
- 1.Qd5?
- 1...Ka6
- 2.Rxa5#
- 1...Sb3
- 2.Qd7#
- 1...Sc4
- 2.Qd7#
- 1...Sc6
- 2.Qc4#
- 1...Sb7
- 2.Qd7#
- 1...Kxa4!
- 1...Ka6
- 1.Qc8?
- 1...Sb3
- 2.Qd7#
- 2.Qe8#
- 1...Sc4
- 2.Qd7#
- 2.Qe8#
- 1...Sc6
- 2.Qa6#
- 1...Sb7
- 2.Qd7#
- 2.Qe8#
- 1...Kxa4!
- 1...Sb3
- 1.Kb1?
- Keys
- 1.Qe4!
- threat
- 2.Rxa5#
- 1...Ka6
- 2.Rxa5#
- 1...Sb3
- 2.Qe8#
- 1...Sc4
- 2.Qe8#
- 1...Sc6
- 2.Qc4#
- 1...Sb7
- 2.Qe8#
- threat
- 1.Qe4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(b);P_SPINS(a),S_FLIGHT,XR(B)::QAR1(E),XS(a)
- S(a);N_GUARD::QAB(E)
- S(a);SBLOCK::QAB1(E)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- S(a);N_GUARD::QAB(E)
- S(a);SBLOCK::QAB1(E)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(B)
- Try
- K(A);P-FLIGHT
- Vars
- K(b);P_SPINS(a),S_FLIGHT,XR(B)::QAR1(E),XS(a)
- S(a);N_GUARD::QAB(E)
- S(a);SBLOCK::QAB1(E)
- Refutation
- S(a);CHECK
- Try
- K(A);P-FLIGHT
- Threat
- R1(B)
- Vars
- S(a);N_GUARD::QAB(E)
- S(a);SBLOCK::QAB1(E)
- Refutation
- S(a);CHECK
- Try
- R(B);
- Vars
- S(a);OGATE::QAB1(E)
- S(a);OGATE,SBLOCK::QAB1(E)
- Refutation
- S(a);
- Try
- R(B);
- Vars
- S(a);OGATE::QAB1(E)
- S(a);OGATE,SBLOCK::QAB1(E)
- Refutation
- S(a);
- Try
- R(B);
- Vars
- S(a);OGATE::QAB1(E)
- S(a);OGATE,SBLOCK::QAB1(E)
- Refutation
- S(a);
- Try
- R(B);
- Vars
- S(a);OGATE::QAB1(E)
- S(a);OGATE,SBLOCK::QAB1(E)
- Refutation
- S(a);
- Try
- R(B);
- Vars
- S(a);OGATE::QAB1(E)
- S(a);OGATE,SBLOCK::QAB1(E)
- Refutation
- S(a);
- Try
- Q(E);
- Vars
- K(b);P_SPINS(a),S_FLIGHT::R1(B),XS(a)
- S(a);N_GUARD::QAB(E)
- S(a);N_GUARD,SBLOCK::QAB1(E)
- Refutation
- K(b);S_FLIGHT,XR(B)
- Try
- Q(E);
- Vars
- S(a);SBLOCK::QAB1(E)
- Refutation
- K(b);S_FLIGHT,XR(B)
- Try
- Actual
- Q(E);
- Threat
- R1(B),XS(a)
- Vars
- K(b);P_SPINS(a),S_FLIGHT::R1(B),XS(a)
- S(a);N_GUARD::QAB(E)
- S(a);N_GUARD,SBLOCK::QAB1(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).