MESON Chess Problem Database
Problem Display
PID: 164238 (1q5N/2p1Qp2/6Pk/6Rp/8/1b6/8/BBK5 w - - 0 1)
Tominic, Ivo
Novi Temi, 1976
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Sxf7#
- 1...Bc2
- 2.Sxf7#
- 1...Ba4
- 2.Sxf7#
- 1...fxg6
- 2.Rxg6#
- 1...f5
- 2.Bg7#
- 1...Bd1
- Tries
- 1.Rg1?
- threat
- 2.Qg5#
- 2.Qe3#
- 1...fxg6
- 2.Rxg6#
- 2.Qg7#
- 1...h4
- 2.Qxh4#
- 2.Qg5#
- 1...Qa7
- 2.Qg5#
- 2.Qf8#
- 1...Qb4
- 2.Qg5#
- 1...Qb5
- 2.Qf8#
- 1...Qb6
- 2.Qg5#
- 2.Qf8#
- 1...Qe8
- 2.Qg5#
- 1...Be6
- 2.Qg5#
- 1...c5
- 2.Qg5#
- 1...c6
- 2.Qg5#
- 1...f5
- 2.Bg7#
- 2.Qg5#
- 2.Qg7#
- 2.Qh7#
- 1...f6
- 2.Qh7#
- 1...Qd8!
- threat
- 1.Rg2?
- threat
- 2.Qg5#
- 2.Qe3#
- 1...fxg6
- 2.Rxg6#
- 2.Qg7#
- 1...h4
- 2.Qxh4#
- 2.Qg5#
- 1...Qa7
- 2.Qg5#
- 2.Qf8#
- 1...Qb4
- 2.Qg5#
- 1...Qb5
- 2.Qf8#
- 1...Qb6
- 2.Qg5#
- 2.Qf8#
- 1...Qe8
- 2.Qg5#
- 1...Be6
- 2.Qg5#
- 1...c5
- 2.Qg5#
- 1...c6
- 2.Qg5#
- 1...f5
- 2.Bg7#
- 2.Qg5#
- 2.Qg7#
- 2.Qh7#
- 1...f6
- 2.Qh7#
- 1...Qd8!
- threat
- 1.Rg3?
- threat
- 2.Qg5#
- 2.Qe3#
- 1...fxg6
- 2.Rxg6#
- 2.Qg7#
- 1...h4
- 2.Qxh4#
- 2.Qg5#
- 1...Qa7
- 2.Qg5#
- 2.Qf8#
- 1...Qb4
- 2.Qg5#
- 1...Qb5
- 2.Qf8#
- 1...Qb6
- 2.Qg5#
- 2.Qf8#
- 1...Qe8
- 2.Qg5#
- 1...Be6
- 2.Qg5#
- 1...c5
- 2.Qg5#
- 1...c6
- 2.Qg5#
- 1...f5
- 2.Bg7#
- 2.Qg5#
- 2.Qg7#
- 2.Qh7#
- 1...f6
- 2.Qh7#
- 1...Qd8!
- threat
- 1.Rg4?
- threat
- 2.Qg5#
- 2.Qe3#
- 1...hxg4
- 2.Qh4#
- 1...fxg6
- 2.Rxg6#
- 2.Qg7#
- 1...h4
- 2.Rxh4#
- 2.Qxh4#
- 2.Qg5#
- 1...Qa7
- 2.Qg5#
- 2.Qf8#
- 1...Qb4
- 2.Qg5#
- 1...Qb5
- 2.Qf8#
- 1...Qb6
- 2.Qg5#
- 2.Qf8#
- 1...Qe8
- 2.Qg5#
- 1...Be6
- 2.Qg5#
- 1...c5
- 2.Qg5#
- 1...c6
- 2.Qg5#
- 1...f5
- 2.Bg7#
- 2.Qg5#
- 2.Qg7#
- 2.Qh7#
- 1...f6
- 2.Qh7#
- 1...Qd8!
- threat
- 1.Rc5?
- threat
- 2.Qg5#
- 2.Qe3#
- 1...fxg6
- 2.Qg7#
- 1...Qb4
- 2.Qg5#
- 2.Qf8#
- 1...Qe8
- 2.Qg5#
- 1...Bd5
- 2.Qe3#
- 1...Be6
- 2.Qg5#
- 1...c6
- 2.Qg5#
- 1...f5
- 2.Bg7#
- 1...f6
- 2.Qh7#
- 1...Qd8!
- threat
- 1.Rf5?
- threat
- 2.Qg5#
- 2.Qe3#
- 1...Qxh8
- 2.Qg5#
- 1...fxg6
- 2.Qg7#
- 1...Qa7
- 2.Qg5#
- 2.Qf8#
- 1...Qb4
- 2.Qg5#
- 1...Qb6
- 2.Qg5#
- 2.Qf8#
- 1...Qe8
- 2.Qg5#
- 1...Be6
- 2.Qg5#
- 1...c5
- 2.Qg5#
- 1...c6
- 2.Qg5#
- 1...f6
- 2.Qh7#
- 1...Qd8!
- threat
- 1.Rg1?
- Keys
- 1.Rd5!
- threat
- 2.Sxf7#
- 2.Qg5#
- 2.Qe3#
- 1...Qxh8
- 2.Qg5#
- 2.Qe3#
- 1...Bxd5
- 2.Qe3#
- 1...fxg6
- 2.Qg7#
- 1...Qd8
- 2.Sxf7#
- 1...Qa7
- 2.Sxf7#
- 2.Qg5#
- 2.Qf8#
- 1...Qb4
- 2.Sxf7#
- 2.Qg5#
- 1...Qb6
- 2.Sxf7#
- 2.Qg5#
- 2.Qf8#
- 1...Qe8
- 2.Qg5#
- 1...Qf8
- 2.Qg5#
- 2.Qxf8#
- 2.Qe3#
- 1...Qg8
- 2.Qg5#
- 2.Qe3#
- 1...Bc2
- 2.Qg5#
- 2.Qe3#
- 1...c5
- 2.Sxf7#
- 2.Qg5#
- 1...c6
- 2.Sxf7#
- 2.Qg5#
- 1...f5
- 2.Bg7#
- 1...f6
- 2.Qh7#
- threat
- 1.Rd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::S(G),XP(e)
- P(e);OGATE,XP(E)::R1(D),XP(e)
- P(e);::B(A)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(f);::QAB1(F)
- Q(f);N_GUARD::QAB(F)
- B(a);::QAB1(F)
- P(d);::QAB1(F)
- P(e);OGATE::QAR1(F)
- Refutation
- Q(f);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(f);::QAB1(F)
- Q(f);N_GUARD::QAB(F)
- B(a);::QAB1(F)
- P(d);::QAB1(F)
- P(e);OGATE::QAR1(F)
- Refutation
- Q(f);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(f);::QAB1(F)
- Q(f);N_GUARD::QAB(F)
- B(a);::QAB1(F)
- P(d);::QAB1(F)
- P(e);OGATE::QAR1(F)
- Refutation
- Q(f);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB,XR(D)::QAR2(F)
- Q(f);::QAB1(F)
- Q(f);N_GUARD::QAB(F)
- B(a);::QAB1(F)
- P(d);::QAB1(F)
- P(e);OGATE::QAR1(F)
- Refutation
- Q(f);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(e);OGATE,XP(E)::QAB1(F)
- Q(f);::QAB1(F)
- B(a);::QAB(F)
- B(a);::QAB1(F)
- P(d);::QAB1(F)
- P(e);::B(A)
- P(e);OGATE::QAR1(F)
- Refutation
- Q(f);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(f);XS(G)::QAB1(F)
- P(e);OGATE,XP(E)::QAB1(F)
- Q(f);::QAB1(F)
- B(a);::QAB1(F)
- P(d);::QAB1(F)
- P(e);OGATE::QAR1(F)
- Refutation
- Q(f);
- Try
- Actual
- R(D);
- Threat
- DUALS(3)
- Vars
- B(a);XR(D)::QAB(F)
- P(e);OGATE,XP(E)::QAB1(F)
- Q(f);::S(G),XP(e)
- Q(f);::QAB1(F)
- P(e);::B(A)
- P(e);OGATE::QAR1(F)
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).