MESON Chess Problem Database
Problem Display
PID: 249568 (3BK3/8/knP5/1N5R/6Q1/8/8/8 w - - 0 1)
Orlik, Peter
Deutsche Schachzeitung, 1980
#2
6 + 2
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sa4
- 2.Qc8#
- 2.Qxa4#
- 1...Sc4
- 2.Qc8#
- 1...Sd5
- 2.Qa4#
- 1...Sd7
- 2.Qa4#
- 1...Sa8
- 2.Qc8#
- 2.Qa4#
- 1...Sc8
- 2.Qxc8#
- 2.Qa4#
- 1...Sa4
- Tries
- 1.Kf7?
- 1...Sa4
- 2.Qc8#
- 2.Qxa4#
- 1...Sc4
- 2.Qc8#
- 1...Sd5
- 2.Qa4#
- 1...Sd7
- 2.Qa4#
- 1...Sa8
- 2.Qc8#
- 2.Qa4#
- 1...Sc8
- 2.Qxc8#
- 2.Qa4#
- 1...Ka5!
- 1...Sa4
- 1.Bc7?
- 1...Sc4
- 2.Qc8#
- 1...Sa4
- 2.Qc8#
- 2.Qxa4#
- 1...Sd5
- 2.Qa4#
- 1...Sd7
- 2.Qa4#
- 1...Sa8
- 2.Qc8#
- 2.Qa4#
- 1...Sc8
- 2.Qxc8#
- 2.Qa4#
- 1...Ka5!
- 1...Sc4
- 1.Rd5?
- 1...Sxd5
- 2.Qa4#
- 1...Sc4
- 2.Qc8#
- 1...Sa4
- 2.Qc8#
- 2.Qxa4#
- 1...Sd7
- 2.Qa4#
- 1...Sa8
- 2.Qc8#
- 2.Qa4#
- 1...Sc8
- 2.Qxc8#
- 2.Qa4#
- 1...Ka5!
- 1...Sxd5
- 1.Re5?
- 1...Sc4
- 2.Qc8#
- 1...Sa4
- 2.Qc8#
- 2.Qxa4#
- 1...Sd5
- 2.Qa4#
- 1...Sd7
- 2.Qa4#
- 1...Sa8
- 2.Qc8#
- 2.Qa4#
- 1...Sc8
- 2.Qxc8#
- 2.Qa4#
- 1...Ka5!
- 1...Sc4
- 1.Rg5?
- 1...Sc4
- 2.Qc8#
- 1...Sa4
- 2.Qc8#
- 2.Qxa4#
- 1...Sd5
- 2.Qa4#
- 1...Sd7
- 2.Qa4#
- 1...Sa8
- 2.Qc8#
- 2.Qa4#
- 1...Sc8
- 2.Qxc8#
- 2.Qa4#
- 1...Ka5!
- 1...Sc4
- 1.Qh3?
- 1...Ka5
- 2.Qa3#
- 1...Sc4
- 2.Qc8#
- 1...Sa4
- 2.Qc8#
- 1...Sd7
- 2.Qa3#
- 1...Sa8
- 2.Qc8#
- 2.Qa3#
- 1...Sc8
- 2.Qxc8#
- 2.Qa3#
- 1...Sd5!
- 1...Ka5
- 1.Qb4?
- 1...Sa4
- 2.Qa5#
- 2.Qxa4#
- 1...Sd5
- 2.Qa5#
- 2.Qa4#
- 1...Sd7
- 2.Qa3#
- 2.Qa5#
- 2.Qa4#
- 1...Sa8
- 2.Qa3#
- 2.Qa5#
- 2.Qa4#
- 1...Sc8
- 2.Qa3#
- 2.Qa5#
- 2.Qa4#
- 1...Sc4!
- 1...Sa4
- 1.Qc4?
- 1...Ka5
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sa7#
- 1...Sa4
- 2.Qxa4#
- 1...Sd5
- 2.Qa4#
- 1...Sd7
- 2.Qa2#
- 2.Qa4#
- 1...Sa8
- 2.Qa2#
- 2.Qa4#
- 1...Sc8
- 2.Qa2#
- 2.Qa4#
- 1...Sxc4!
- 1...Ka5
- 1.Qd4?
- threat
- 2.Qxb6#
- 1...Sc4
- 2.Sc7#
- 2.Qa7#
- 1...Sa4
- 2.Sc7#
- 2.Qa7#
- 2.Qxa4#
- 1...Sd5
- 2.Qa4#
- 1...Sd7
- 2.Sc7#
- 2.Qa1#
- 2.Qa7#
- 2.Qa4#
- 1...Sa8
- 2.Qa1#
- 2.Qa7#
- 2.Qa4#
- 1...Sc8
- 2.Sc7#
- 2.Qa1#
- 2.Qa4#
- 1...Ka5!
- threat
- 1.Qg7?
- threat
- 2.Qa7#
- 1...Sd5
- 2.Qb7#
- 1...Sd7
- 2.Qa1#
- 1...Sc8
- 2.Qa1#
- 2.Qb7#
- 1...Ka5!
- threat
- 1.Kf7?
- Keys
- 1.Rc5!
- 1...Ka5
- 2.Sc7#
- 1...Sc4
- 2.Qc8#
- 1...Sa4
- 2.Qc8#
- 2.Qxa4#
- 1...Sd5
- 2.Qc8#
- 2.Qa4#
- 1...Sd7
- 2.Qa4#
- 1...Sa8
- 2.Qc8#
- 2.Qa4#
- 1...Sc8
- 2.Qxc8#
- 2.Qa4#
- 1...Ka5
- 1.Rc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(b);N_GUARD::QAB(A)
- S(b);N_GUARD::QAR2(A)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- S(b);N_GUARD::QAB(A)
- S(b);N_GUARD::QAR2(A)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- B(E);
- Vars
- S(b);N_GUARD::QAB(A)
- S(b);N_GUARD::QAR2(A)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- R(C);
- Vars
- S(b);N_GUARD,XR(C)::QAR2(A)
- S(b);N_GUARD::QAB(A)
- S(b);N_GUARD::QAR2(A)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- R(C);
- Vars
- S(b);N_GUARD::QAB(A)
- S(b);N_GUARD::QAR2(A)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- R(C);
- Vars
- S(b);N_GUARD::QAB(A)
- S(b);N_GUARD::QAR2(A)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- Q(A);
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::QAR2(A)
- S(b);N_GUARD::QAB(A)
- S(b);N_GUARD::QAR(A)
- Refutation
- S(b);
- Try
- Q(A);
- Refutation
- S(b);
- Try
- Q(A);
- Vars
- S(b);N_GUARD::QAR2(A),XS(b)
- S(b);N_GUARD::QAR2(A)
- Refutation
- S(b);XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A),XS(b)
- Vars
- S(b);N_GUARD::QAR2(A)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- S(b);::QAB1(A)
- S(b);N_GUARD::QAR(A)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- Actual
- R(C);
- Vars
- K(a);P-FLIGHT,P_SPINS(b)::R(C)+S(B)
- S(b);N_GUARD::QAB(A)
- S(b);N_GUARD::QAR2(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).