MESON Chess Problem Database
Problem Display
PID: 239609 (8/K2p4/p2Rp3/1p1Np1r1/1Bpk2N1/2npnP2/3r4/7Q w - - 0 1)
Maleika, Gerhard
Het Belgisch Schaakbord (L'Echiquier Belge), 2005
#2
7 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Sdxe3#
- 1...Scd1
- 2.Sdxe3#
- 1...Sa2
- 2.Sdxe3#
- 1...Se2
- 2.Sdxe3#
- 1...Sa4
- 2.Sdxe3#
- 1...Sed1
- 2.Sxc3#
- 1...Sf1
- 2.Sxc3#
- 1...Sc2
- 2.Sxc3#
- 1...Sg2
- 2.Sxc3#
- 1...Sb1
- Tries
- 1.Qa1?
- threat
- 2.Sdxe3#
- 2.Qxc3#
- 1...Rxg4
- 2.Qxc3#
- 1...Sxg4
- 2.Qxc3#
- 1...Sxd5
- 2.Qxc3#
- 1...exd5
- 2.Qxc3#
- 1...Rc2
- 2.Sdxe3#
- 1...Sd1
- 2.Sxc3#
- 2.Sde3#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 1...Sf1
- 2.Sxc3#
- 2.Sde3#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 2.Qxc3#
- 1...Sc2
- 2.Sxc3#
- 2.Sde3#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 2.Qxc3#
- 1...Sg2
- 2.Sxc3#
- 2.Sde3#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 2.Qxc3#
- 1...Sf5
- 2.Qxc3#
- 1...e4
- 2.Qxc3#
- 1...Rb2!
- threat
- 1.Qc1?
- threat
- 2.Qxc3#
- 1...Scxd5
- 2.Qc3#
- 1...Rc2
- 2.Qxe3#
- 1...Sb1
- 2.Sdxe3#
- 1...Scd1
- 2.Sdxe3#
- 1...Sa2
- 2.Sdxe3#
- 1...Se2
- 2.Sdxe3#
- 1...Sa4
- 2.Sdxe3#
- 1...Sed1
- 2.Sxc3#
- 1...Sc2
- 2.Sxc3#
- 1...Se4!
- threat
- 1.Qg1?
- threat
- 2.Sxc3#
- 2.Qxe3#
- 1...Sxd5
- 2.Qxe3#
- 1...exd5
- 2.Qxe3#
- 1...Re2
- 2.Sxc3#
- 1...Sb1
- 2.Sc3#
- 2.Sdxe3#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 2.Qxe3#
- 1...Sd1
- 2.Sc3#
- 2.Sdxe3#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 1...Sa2
- 2.Sc3#
- 2.Sdxe3#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 2.Qxe3#
- 1...Se2
- 2.Sc3#
- 2.Sdxe3#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 2.Qxe3#
- 1...Sa4
- 2.Sc3#
- 2.Sdxe3#
- 2.Sf4#
- 2.Sb6#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 2.Qxe3#
- 1...Se4
- 2.Qxe3#
- 1...e4
- 2.Qxe3#
- 1...Rf2!
- threat
- 1.Qa1?
- Keys
- 1.Qe1!
- threat
- 2.Qxe3#
- 1...Sxg4
- 2.Sxc3#
- 1...Sexd5
- 2.Qe3#
- 1...Re2
- 2.Qxc3#
- 1...Scd1
- 2.Sdxe3#
- 1...Se2
- 2.Sdxe3#
- 1...Sed1
- 2.Sxc3#
- 1...Sf1
- 2.Sxc3#
- 1...Sc2
- 2.Sxc3#
- 1...Sg2
- 2.Sxc3#
- 1...Sf5
- 2.Qxe5#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- S(b);N_GUARD::R(F)+S(E),XS(d)
- S(d);N_GUARD::R(F)+S(E),XS(b)
- Tries
- Try
- Q(A);P_PINS(b)
- Threat
- DUALS(2)
- Vars
- R(i);XS(D)::QAB1(A),XS(b)
- S(d);XS(D)::QAB1(A),XS(b)
- S(d);XS(E)::QAB1(A),XS(b)
- P(k);P_SPINP(k),XS(E)::QAB1(A),XS(b)
- R(a);::R(F)+S(E),XS(d)
- S(d);::QAB1(A),XS(b)
- P(h);::QAB1(A),XS(b)
- Refutation
- R(a);N_SPINS(b)
- Try
- Q(A);
- Threat
- QAB1(A),XS(b)
- Vars
- S(b);P_SPINS(b),XS(E)::QAB1(A)
- R(a);OGATE::QAB1(A),XS(d)
- S(b);N_GUARD::R(F)+S(E),XS(d)
- S(d);N_GUARD::R(F)+S(E),XS(b)
- Refutation
- S(b);
- Try
- Q(A);P_PINS(d)
- Threat
- DUALS(2)
- Vars
- S(b);XS(E)::QAB1(A),XS(d)
- P(k);P_SPINP(k),XS(E)::QAB1(A),XS(d)
- R(a);::R(F)+S(E),XS(b)
- S(b);::QAB1(A),XS(d)
- P(h);::QAB1(A),XS(d)
- Refutation
- R(a);N_SPINS(d)
- Try
- Actual
- Q(A);
- Threat
- QAB1(A),XS(d)
- Vars
- S(d);N_GUARD,XS(D)::R(F)+S(E),XS(b)
- S(d);P_SPINS(d),XS(E)::QAB1(A)
- R(a);OGATE::QAB1(A),XS(b)
- S(b);N_GUARD::R(F)+S(E),XS(d)
- S(d);N_GUARD::R(F)+S(E),XS(b)
- S(d);OGATE::QAB1(A),XP(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).