MESON Chess Problem Database
Problem Display
PID: 163840 (2B5/4Q1K1/8/3ppP2/2n1kP2/1R3p2/2N5/2B5 w - - 0 1)
Hermanson, Halvar
Novi Temi, 1974
#2
8 + 5
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...d4
- 2.Qb7#
- 1...Sb2
- Tries
- 1.Kf6?
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Bb7#
- 2.Qb7#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sd2
- 1.Kg6?
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Bb7#
- 2.Qb7#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sd2
- 1.Kh6?
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Qb7#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sd2
- 1.Kh7?
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Qb7#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sd2
- 1.Kf8?
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Qb7#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sd2
- 1.Kg8?
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Qb7#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sd2
- 1.Kh8?
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Qb7#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sd2
- 1.Bd2?
- 1...Sxd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Qb7#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sxd2
- 1.Be3?
- 1...Sxe3
- 2.Qxe5#
- 1...d4
- 2.Qb7#
- 1...Sb2
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sxe3
- 1.Rc3?
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Qb7#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sd2
- 1.Re3+?
- 1...Kxf4
- 2.Qh4#
- 1...Sxe3!
- 1...Kxf4
- 1.Qh4?
- 1...exf4
- 2.Qxf4#
- 1...f2
- 2.Qh1#
- 1...Sb2
- 2.Re3#
- 2.Qe1#
- 1...Sd2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 2.Qe1#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 2.Qe1#
- 1...Sb6
- 2.Re3#
- 2.Qe1#
- 1...Sd6
- 2.Re3#
- 2.Qe1#
- 1...d4!
- 1...exf4
- 1.Qc5?
- 1...exf4
- 2.Qd4#
- 1...Sd2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb2
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Sa5
- 2.Qe3#
- 1...Sb6
- 2.Qe3#
- 1...Sd6
- 2.Qe3#
- 1...d4
- 2.Qc6#
- 1...f2!
- 1...exf4
- 1.Qf6?
- 1...exf4
- 2.Qd4#
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Bb7#
- 2.Qc6#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...exf4
- 1.Qe6?
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...d4
- 2.Bb7#
- 2.Qc6#
- 1...f2!
- 1...Sd2
- 1.Qe8?
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Qc6#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sd2
- 1.f6?
- 1...Sd2
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d4
- 2.Qb7#
- 1...Sb2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...f2!
- 1...Sd2
- 1.Kf6?
- Keys
- 1.Qg5!
- 1...exf4
- 2.Qxf4#
- 1...d4
- 2.Bb7#
- 1...f2
- 2.Qg2#
- 1...Sb2
- 2.Re3#
- 1...Sd2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 1...Sb6
- 2.Re3#
- 1...Sd6
- 2.Re3#
- 1...exf4
- 1.Qg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 8
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::QAR1(F),XP(e)
- P(d);OGATEB::QAB(F)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- S(b);N_GUARD::QAR1(F),XP(e)
- Refutation
- P(a);
- Try
- K(G);P-FLIGHT
- Vars
- S(b);N_GUARD::QAR1(F),XP(e)
- Refutation
- P(a);
- Try
- K(G);S_FLIGHT
- Vars
- S(b);N_GUARD::QAR1(F),XP(e)
- P(d);OGATEB::QAB(F)
- Refutation
- P(a);
- Try
- K(G);P-FLIGHT
- Vars
- S(b);N_GUARD::QAR1(F),XP(e)
- P(d);OGATEB::QAB(F)
- Refutation
- P(a);
- Try
- K(G);S_FLIGHT
- Vars
- S(b);N_GUARD::QAR1(F),XP(e)
- P(d);OGATEB::QAB(F)
- Refutation
- P(a);
- Try
- K(G);P-FLIGHT
- Vars
- S(b);N_GUARD::QAR1(F),XP(e)
- P(d);OGATEB::QAB(F)
- Refutation
- P(a);
- Try
- K(G);S_FLIGHT
- Vars
- S(b);N_GUARD::QAR1(F),XP(e)
- P(d);OGATEB::QAB(F)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- S(b);N_GUARD,XB(A)::QAR1(F),XP(e)
- S(b);N_GUARD::QAR1(F),XP(e)
- P(d);OGATEB::QAB(F)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- S(b);N_GUARD,XB(A)::QAR1(F),XP(e)
- P(d);OGATEB::QAB(F)
- S(b);N_GUARD::QAR1(F),XP(e)
- Refutation
- P(a);
- Try
- R(C);
- Vars
- S(b);N_GUARD::QAR1(F),XP(e)
- P(d);OGATEB::QAB(F)
- Refutation
- P(a);
- Try
- R(C);CHECK
- Vars
- K(c);N_SPINP(e),P-FLIGHT,XP(D)::QAR2(F)
- Refutation
- S(b);XR(C)
- Try
- Q(F);N_PINP(e)
- Vars
- P(e);OGATE,P_SPINP(e),XP(D)::QAR1(F),XP(e)
- P(a);OGATEB::QAB(F)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- Refutation
- P(d);
- Try
- Q(F);N_PINP(e)
- Vars
- P(e);N_GUARD,XP(D)::QAR1(F)
- S(b);N_GUARD::QAR1(F)
- S(b);N_GUARD::QAR1(F),XS(b)
- P(d);OGATEB::QAB(F)
- Refutation
- P(a);
- Try
- Q(F);N_PINP(e)
- Vars
- P(e);OGATE,XP(D)::QAR1(F)
- S(b);N_GUARD::QAR1(F),XP(e)
- Refutation
- P(a);
- Try
- Q(F);
- Vars
- S(b);N_GUARD::QAR1(F),XP(e)
- Refutation
- P(a);
- Try
- Q(F);
- Vars
- S(b);N_GUARD::QAR1(F),XP(e)
- P(d);OGATEB::QAB(F)
- Refutation
- P(a);
- Try
- P(E);
- Vars
- S(b);N_GUARD::QAR1(F),XP(e)
- P(d);OGATEB::QAB(F)
- Refutation
- P(a);
- Try
- Actual
- Q(F);N_PINP(e)
- Vars
- P(e);OGATE,XP(D)::QAR1(F),XP(e)
- P(d);OGATEB::B(H)
- P(a);OGATEB::QAB(F)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
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).