MESON Chess Problem Database
Problem Display
PID: 271077 (K5Bk/3p1PN1/3N2R1/8/8/R2n4/2b2r1b/7Q w - - 0 1)
Grunenwald, Alphonse
Probleemblad, 1951
#2
8 + 6
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Qxh2#
- 1...Rf6
- 2.Qxh2#
- 1...Sc1
- 2.Rh3#
- 1...Se1
- 2.Rh3#
- 1...Sb2
- 2.Rh3#
- 1...Sb4
- 2.Rh3#
- 1...Sc5
- 2.Rh3#
- 1...Se5
- 2.Rh3#
- 1...Rf1
- Tries
- 1.Se6?
- threat
- 2.Rh6#
- 1...Rxf7
- 2.Sxf7#
- 1...Rf6
- 2.Qxh2#
- 1...Sc1
- 2.Rh3#
- 1...Se1
- 2.Rh3#
- 1...Sb2
- 2.Rh3#
- 1...Sb4
- 2.Rh3#
- 1...Sf4
- 2.Qa1#
- 1...Sc5
- 2.Rh3#
- 1...Se5
- 2.Rh3#
- 1...dxe6!
- threat
- 1.f8Q?
- threat
- 2.Rh6#
- 1...Rf6
- 2.Qxh2#
- 1...Sc1
- 2.Rh3#
- 1...Se1
- 2.Rh3#
- 1...Sb2
- 2.Rh3#
- 1...Sb4
- 2.Rh3#
- 1...Sf4
- 2.Sf7#
- 1...Sc5
- 2.Rh3#
- 1...Se5
- 2.Rh3#
- 1...Rxf8+!
- threat
- 1.Se6?
- Keys
- 1.Sge8!
- threat
- 2.Rh6#
- 1...Rxf7
- 2.Sxf7#
- 1...Rf6
- 2.Qxh2#
- 1...Sc1
- 2.Rh3#
- 1...Se1
- 2.Rh3#
- 1...Sb2
- 2.Rh3#
- 1...Sb4
- 2.Rh3#
- 1...Sf4
- 2.Qa1#
- 1...Sc5
- 2.Rh3#
- 1...Se5
- 2.Rh3#
- threat
- 1.Sge8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(b);N_GUARD::QAR(A),XB(c)
- S(d);OGATE::R(B)
- Tries
- Try
- S(F);
- Threat
- R(D)
- Vars
- R(b);XP(E)::S(C),XR(b)
- R(b);N_GUARD::QAR(A),XB(c)
- S(d);OGATE::R(B)
- S(d);N_GUARD,S_CUTR(b)::QAB(A)
- Refutation
- P(e);XS(F)
- Try
- P(E);
- Threat
- R(D)
- Vars
- R(b);N_GUARD::QAR(A),XB(c)
- S(d);OGATE::R(B)
- S(d);S_CUTR(b)::S(C)
- Refutation
- R(b);CHECK,XQ(E)
- Try
- Actual
- S(F);
- Threat
- R(D)
- Vars
- R(b);XP(E)::S(C),XR(b)
- R(b);N_GUARD::QAR(A),XB(c)
- S(d);OGATE::R(B)
- S(d);N_GUARD,S_CUTR(b)::QAB(A)
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).