MESON Chess Problem Database
Problem Display
PID: 203554 (8/8/3n3p/7R/5k2/6rB/4Rp1Q/5K2 w - - 0 1)
Kovacs, Florian Janos
Uj Nemezdek, 1924
#2
5 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kf3
- 2.Qxf2#
- 1...Sc4
- 2.Rf5#
- 1...Se4
- 2.Rf5#
- 1...Sb5
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sb7
- 2.Rf5#
- 1...Sf7
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...Kf3
- Tries
- 1.Kxf2?
- threat
- 2.Qxg3#
- 1...Sf5
- 2.Rxf5#
- 1...Se4+!
- threat
- 1.Ree5?
- 1...Kf3
- 2.Qxf2#
- 1...Sf5
- 2.Rhxf5#
- 1...Sc4
- 2.Rhf5#
- 1...Sb5
- 2.Rhf5#
- 1...Sb7
- 2.Rhf5#
- 1...Sf7
- 2.Rhf5#
- 1...Sc8
- 2.Rhf5#
- 1...Se8
- 2.Rhf5#
- 1...Se4!
- 1...Kf3
- 1.Re6?
- 1...Kf3
- 2.Qxf2#
- 1...Sc4
- 2.Rf5#
- 1...Sb5
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sb7
- 2.Rf5#
- 1...Sf7
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...Se4!
- 1...Kf3
- 1.Re7?
- 1...Kf3
- 2.Qxf2#
- 1...Sc4
- 2.Rf5#
- 1...Sb5
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sb7
- 2.Rf5#
- 1...Sf7
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...Se4!
- 1...Kf3
- 1.Rh4+?
- 1...Kf3
- 2.Qxf2#
- 1...Kg5!
- 1...Kf3
- 1.Rc5?
- 1...Kf3
- 2.Qxf2#
- 1...Sf5
- 2.Rxf5#
- 1...Sc4
- 2.Rf5#
- 1...Se4
- 2.Rf5#
- 1...Sb5
- 2.Rf5#
- 1...Sb7
- 2.Rf5#
- 1...Sf7
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...h5!
- 1...Kf3
- 1.Rd5?
- 1...Kf3
- 2.Qxf2#
- 1...Sf5
- 2.Rxf5#
- 1...Sc4
- 2.Rf5#
- 1...Se4
- 2.Rf5#
- 1...Sb5
- 2.Rf5#
- 1...Sb7
- 2.Rf5#
- 1...Sf7
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...h5!
- 1...Kf3
- 1.Rhe5?
- 1...Kf3
- 2.Rxf2#
- 2.Qxf2#
- 1...Se4
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sc4
- 2.Rf5#
- 1...Sb5
- 2.Rf5#
- 1...Sb7
- 2.Rf5#
- 1...Sf7
- 2.Rf5#
- 1...Sc8
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...h5!
- 1...Kf3
- 1.Kxf2?
- Keys
- 1.Bg2!
- 1...Kg4
- 2.Qh4#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...Kg4
- 1.Bg2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(c);N_SPINR(b),P-FLIGHT::QAR1(C),XP(a)
- S(d);N_GUARD::R1(E)
- S(d);N_GUARD::R1(E),XS(d)
- Tries
- Try
- K(A);P-FLIGHT,XP(a)
- Threat
- QAB1(C),XR(b)
- Vars
- S(d);N_GUARD::R1(E),XS(d)
- Refutation
- S(d);CHECK
- Try
- R(B);
- Vars
- K(c);N_SPINR(b),P-FLIGHT::QAR1(C),XP(a)
- S(d);N_GUARD::R1(E),XS(d)
- S(d);N_GUARD::R1(E)
- Refutation
- S(d);
- Try
- R(B);
- Vars
- K(c);N_SPINR(b),P-FLIGHT::QAR1(C),XP(a)
- S(d);N_GUARD::R1(E)
- S(d);N_GUARD::R1(E),XS(d)
- Refutation
- S(d);
- Try
- R(B);
- Vars
- K(c);N_SPINR(b),P-FLIGHT::QAR1(C),XP(a)
- S(d);N_GUARD::R1(E)
- S(d);N_GUARD::R1(E),XS(d)
- Refutation
- S(d);
- Try
- R(E);CHECK
- Vars
- K(c);N_SPINR(b),P-FLIGHT::QAR1(C),XP(a)
- Refutation
- K(c);N_SPINR(b),S_FLIGHT
- Try
- R(E);
- Vars
- K(c);N_SPINR(b),P-FLIGHT::QAR1(C),XP(a)
- S(d);N_GUARD::R1(E),XS(d)
- S(d);N_GUARD::R1(E)
- Refutation
- P(e);
- Try
- R(E);
- Vars
- K(c);N_SPINR(b),P-FLIGHT::QAR1(C),XP(a)
- S(d);N_GUARD::R1(E),XS(d)
- S(d);N_GUARD::R1(E)
- Refutation
- P(e);
- Try
- R(E);
- Vars
- S(d);N_GUARD::R1(E)
- S(d);N_GUARD::R1(E),XS(d)
- Refutation
- P(e);
- Try
- Actual
- B(D);
- Vars
- K(c);N_SPINR(b),P-FLIGHT::QAR1(C)
- S(d);N_GUARD::R1(B)
- S(d);N_GUARD::R1(B),XS(d)
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).