MESON Chess Problem Database
Problem Display
PID: 135473 (Q7/6B1/p1P5/1p6/1Nk4r/3Nn1Rb/6p1/1RK3b1 w - - 0 1)
Forster, Klaus
Troll, 2009
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Sg4
- 2.Qg8#
- 1...Sf5
- 2.Qg8#
- 1...Sg4
- Tries
- 1.Qf8?
- threat
- 2.Qc5#
- 1...Rh5
- 2.Qf4#
- 1...Sf1
- 2.Sb2#
- 1...Sc2
- 2.Sb2#
- 1...Sg4
- 2.Sb2#
- 2.Qf7#
- 2.Qg8#
- 1...Sd5
- 2.Sb2#
- 1...Sf5
- 2.Sb2#
- 2.Qf7#
- 2.Qg8#
- 1...Sd1!
- threat
- 1.Qg8+?
- 1...Sd5
- 2.Qxd5#
- 1...Be6!
- 1...Sd5
- 1.c7?
- threat
- 2.Qc6#
- 1...Rh5
- 2.Qe4#
- 1...Rh6
- 2.Qe4#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 2.Qg8#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 2.Qg8#
- 1...Bd7!
- threat
- 1.Qf8?
- Keys
- 1.Qa7!
- threat
- 2.Qc5#
- 1...Rh5
- 2.Qd4#
- 1...Sd1
- 2.Se5#
- 1...Sf1
- 2.Se5#
- 1...Sc2
- 2.Se5#
- 1...Sg4
- 2.Qf7#
- 1...Sd5
- 2.Se5#
- 1...Sf5
- 2.Se5#
- 2.Qf7#
- threat
- 1.Qa7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- S(c);N_GUARD,S_CUTB(d)::QAB(H)
- Tries
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- R(f);N_GUARD::QAR(H)
- S(c);::S(C)
- Refutation
- S(c);
- Try
- Q(H);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAB1(H),XS(c)
- Refutation
- B(d);P_SPINB(d)
- Try
- P(F);
- Threat
- QAR2(H)
- Vars
- R(f);N_GUARD::QAR2(H)
- S(c);N_GUARD::QAB1(H)
- S(c);N_GUARD::QAB1(H),XS(c)
- Refutation
- B(d);
- Try
- Actual
- Q(H);
- Threat
- QAR1(H)
- Vars
- R(f);N_GUARD::QAR1(H)
- S(c);::S(C)
- S(c);N_GUARD,S_CUTB(d)::QAB(H)
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).