MESON Chess Problem Database
Problem Display
PID: 194465 (6QK/3p2P1/3P4/1p2p3/1P2k1Pp/r2nPn2/8/3N1N2 w - - 0 1)
Mikkelsen, Paul Helweg
Skakbladet, 1908
#2
9 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sc3#
- 1...Ra2
- 2.Sc3#
- 1...Rb3
- 2.Qa8#
- 1...Rc3
- 2.Sxc3#
- 1...Ra4
- 2.Sc3#
- 1...Ra5
- 2.Sc3#
- 1...Ra6
- 2.Sc3#
- 1...Ra7
- 2.Sc3#
- 1...Ra8
- 2.Sc3#
- 2.Qxa8#
- 1...Sc1
- 2.Sf2#
- 1...Sde1
- 2.Sf2#
- 1...Sb2
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sxb4
- 2.Sf2#
- 1...Sf4
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Sfe1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Sg5
- 2.Sd2#
- 1...h3
- 2.Sg3#
- 1...Ra1
- Tries
- 1.Kh7?
- 1...Sxb4
- 2.Sf2#
- 1...Sc1
- 2.Sf2#
- 1...Sde1
- 2.Sf2#
- 1...Sb2
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sf4
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Sfe1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Ra1
- 2.Sc3#
- 1...Ra2
- 2.Sc3#
- 1...Rb3
- 2.Qa8#
- 1...Rc3
- 2.Sxc3#
- 1...Ra4
- 2.Sc3#
- 1...Ra5
- 2.Sc3#
- 1...Ra6
- 2.Sc3#
- 1...Ra7
- 2.Sc3#
- 1...Ra8
- 2.Sc3#
- 2.Qxa8#
- 1...h3
- 2.Sg3#
- 1...Sg5+!
- 1...Sxb4
- 1.Qc4+?
- 1...Sd4
- 2.Sd2#
- 1...bxc4!
- 1...Sd4
- 1.Kh7?
- Keys
- 1.Qa2!
- 1...Ra8+
- 2.Qxa8#
- 1...Rxa2
- 2.Sc3#
- 1...Sxb4
- 2.Sf2#
- 1...Rb3
- 2.Qa8#
- 1...Sc1
- 2.Sf2#
- 1...Sde1
- 2.Sf2#
- 1...Sb2
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sf4
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Sfe1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Sg5
- 2.Sd2#
- 1...Rc3
- 2.Sxc3#
- 1...Ra4
- 2.Sc3#
- 1...Ra5
- 2.Sc3#
- 1...Ra6
- 2.Sc3#
- 1...Ra7
- 2.Sc3#
- 1...h3
- 2.Sg3#
- 1...Ra8+
- 1.Qa2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::QAB(H)
- R(a);N_GUARD::S(A),XR(a)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(b);N_GUARD,XP(D)::S(A)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- P(e);N_GUARD::S(B)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- S(b);N_GUARD,XP(D)::S(A)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::QAB(H)
- R(a);N_GUARD::S(A),XR(a)
- P(e);N_GUARD::S(B)
- Refutation
- S(c);CHECK
- Try
- Q(H);CHECK
- Vars
- S(c);P_SPINS(c)::S(B)
- Refutation
- P(f);XQ(H)
- Try
- Actual
- Q(H);
- Vars
- R(a);CHECK,OGATE::QAB(H),XR(a)
- R(a);N_GUARD,XQ(H)::S(A)
- S(b);N_GUARD,XP(D)::S(A)
- R(a);OGATE::QAB(H)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- R(a);N_GUARD::S(A),XR(a)
- R(a);N_GUARD::S(A)
- P(e);N_GUARD::S(B)
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).