MESON Chess Problem Database
Problem Display
PID: 72247 (3K4/5N1Q/3Rp1n1/3n1kP1/4p2R/3r4/4N3/8 w - - 0 1)
Seilberger, Johann Joseph Petrus Adrianus
Tijdschrift vd NSB, 1931
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sg3#
- 1...Rd2
- 2.Sg3#
- 1...Ra3
- 2.Sd4#
- 1...Rb3
- 2.Sd4#
- 1...Rc3
- 2.Sd4#
- 1...Re3
- 2.Sd4#
- 1...Rf3
- 2.Sd4#
- 1...Rg3
- 2.Sxg3#
- 2.Sd4#
- 1...Rh3
- 2.Sd4#
- 1...Rd4
- 2.Sg3#
- 2.Sxd4#
- 1...Sc3
- 2.Rf4#
- 1...Se3
- 2.Sg3#
- 2.Rf4#
- 1...Sb4
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sb6
- 2.Rf4#
- 1...Sf6
- 2.Rf4#
- 1...Sc7
- 2.Rf4#
- 1...Se7
- 2.Rf4#
- 1...e3
- 2.Sg3#
- 1...e5
- 2.Qxg6#
- 1...Rd1
- Tries
- 1.Rd7?
- 1...Rd1
- 2.Sg3#
- 1...Rd2
- 2.Sg3#
- 1...Ra3
- 2.Sd4#
- 1...Rb3
- 2.Sd4#
- 1...Rc3
- 2.Sd4#
- 1...Re3
- 2.Sd4#
- 1...Rf3
- 2.Sd4#
- 1...Rg3
- 2.Sxg3#
- 2.Sd4#
- 1...Rh3
- 2.Sd4#
- 1...Rd4
- 2.Sg3#
- 2.Sxd4#
- 1...Sc3
- 2.Rf4#
- 1...Se3
- 2.Sg3#
- 2.Rf4#
- 1...Sb4
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sb6
- 2.Rf4#
- 1...Sf6
- 2.Rf4#
- 1...Sc7
- 2.Rf4#
- 1...Se7
- 2.Rf4#
- 1...e3
- 2.Sg3#
- 1...e5!
- 1...Rd1
- 1.Rd7?
- Keys
- 1.Qg7!
- 1...Sxh4
- 2.Sh6#
- 1...Rd1
- 2.Sg3#
- 1...Rd2
- 2.Sg3#
- 1...Ra3
- 2.Sd4#
- 1...Rb3
- 2.Sd4#
- 1...Rc3
- 2.Sd4#
- 1...Re3
- 2.Sd4#
- 1...Rf3
- 2.Sd4#
- 1...Rg3
- 2.Sxg3#
- 2.Sd4#
- 1...Rh3
- 2.Sd4#
- 1...Rd4
- 2.Sg3#
- 2.Sxd4#
- 1...Sc3
- 2.Qf6#
- 1...Se3
- 2.Sg3#
- 2.Qf6#
- 1...Sb4
- 2.Qf6#
- 1...Sdf4
- 2.Qf6#
- 1...Sb6
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sc7
- 2.Qf6#
- 1...Sde7
- 2.Qf6#
- 1...Sgf4
- 2.Sh6#
- 1...Se5
- 2.Sh6#
- 1...Sge7
- 2.Sh6#
- 1...Sf8
- 2.Sh6#
- 1...Sh8
- 2.Sh6#
- 1...e3
- 2.Sg3#
- 1...e5
- 2.Qxg6#
- 1...Sxh4
- 1.Qg7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::S(A)
- S(c);N_GUARD,P_PINR(D)::R1(B)
- S(c);N_GUARD,P_PINR(D)::R1(B),XS(c)
- P(b);S_CUTR(a)::S(A)
- P(e);::QAB1(F),XS(f)
- Tries
- Try
- R(D);
- Vars
- R(a);N_GUARD::S(A)
- S(c);N_GUARD,P_PINR(D)::R1(B)
- S(c);N_GUARD,P_PINR(D)::R1(B),XS(c)
- P(b);S_CUTR(a)::S(A)
- Refutation
- P(e);
- Try
- Actual
- Q(F);N_PINS(f)
- Vars
- S(f);XR(B)::S(E)
- R(a);N_GUARD::S(A)
- S(c);N_GUARD,P_PINR(D)::QAR1(F)
- S(c);N_GUARD,P_PINR(D)::QAR1(F),XS(c)
- S(f);::S(E)
- P(b);S_CUTR(a)::S(A)
- P(e);::QAB1(F),XS(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).