MESON Chess Problem Database
Problem Display
PID: 77837 (5K2/2p2P2/2Q5/1ppp4/1PkPN3/R2n4/n1N5/3r4 w - - 0 1)
Hertmann, Sandor
Wiener Schachzeitung, 1925
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sd2#
- 1...Rb1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Re1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rg1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Sac1
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...Saxb4
- 2.Rc3#
- 1...Sdc1
- 2.Qxc5#
- 1...Se1
- 2.Qxc5#
- 1...Sb2
- 2.Qxc5#
- 1...Sf2
- 2.Qxc5#
- 1...Sdxb4
- 2.Qxc5#
- 1...Sf4
- 2.Qxc5#
- 1...Se5
- 2.Qxc5#
- 1...dxe4
- 2.Qe6#
- 1...Ra1
- Tries
- 1.Ke7?
- 1...Saxb4
- 2.Rc3#
- 1...Sdxb4
- 2.Qxc5#
- 1...dxe4
- 2.Qe6#
- 1...Ra1
- 2.Sd2#
- 1...Rb1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rg1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Sac1
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...Sdc1
- 2.Qxc5#
- 1...Se1
- 2.Qxc5#
- 1...Sb2
- 2.Qxc5#
- 1...Sf2
- 2.Qxc5#
- 1...Sf4
- 2.Qxc5#
- 1...Se5
- 2.Qxc5#
- 1...Re1!
- 1...Saxb4
- 1.Kg7?
- 1...Saxb4
- 2.Rc3#
- 1...Sdxb4
- 2.Qxc5#
- 1...dxe4
- 2.Qe6#
- 1...Ra1
- 2.Sd2#
- 1...Rb1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Re1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Sac1
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...Sdc1
- 2.Qxc5#
- 1...Se1
- 2.Qxc5#
- 1...Sb2
- 2.Qxc5#
- 1...Sf2
- 2.Qxc5#
- 1...Sf4
- 2.Qxc5#
- 1...Se5
- 2.Qxc5#
- 1...Rg1+!
- 1...Saxb4
- 1.Ke8?
- 1...Saxb4
- 2.Rc3#
- 1...Sdxb4
- 2.Qxc5#
- 1...dxe4
- 2.Qe6#
- 1...Ra1
- 2.Sd2#
- 1...Rb1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rg1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Sac1
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...Sdc1
- 2.Qxc5#
- 1...Se1
- 2.Qxc5#
- 1...Sb2
- 2.Qxc5#
- 1...Sf2
- 2.Qxc5#
- 1...Sf4
- 2.Qxc5#
- 1...Se5
- 2.Qxc5#
- 1...Re1!
- 1...Saxb4
- 1.Kg8?
- 1...Saxb4
- 2.Rc3#
- 1...Sdxb4
- 2.Qxc5#
- 1...dxe4
- 2.Qe6#
- 1...Re1
- 2.Sd2#
- 1...Ra1
- 2.Sd2#
- 1...Rb1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Sac1
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...Sdc1
- 2.Qxc5#
- 1...Se1
- 2.Qxc5#
- 1...Sb2
- 2.Qxc5#
- 1...Sf2
- 2.Qxc5#
- 1...Sf4
- 2.Qxc5#
- 1...Se5
- 2.Qxc5#
- 1...Rg1+!
- 1...Saxb4
- 1.Sc3?
- threat
- 2.Qxb5#
- 2.Qxd5#
- 1...Saxb4
- 2.Qxb5#
- 1...Sdxb4
- 2.Qxb5#
- 1...Sdc1
- 2.Qxb5#
- 1...Se1
- 2.Qxb5#
- 1...Sb2
- 2.Qxb5#
- 1...Sf2
- 2.Qxb5#
- 1...Sf4
- 2.Qxb5#
- 1...Se5
- 2.Qxb5#
- 1...Sxc3!
- threat
- 1.Ke7?
- Keys
- 1.Qb6!
- 1...Saxb4
- 2.Rc3#
- 1...Sdxb4
- 2.Qxc5#
- 1...cxb4
- 2.Se3#
- 1...cxd4
- 2.Qxd4#
- 1...dxe4
- 2.Qe6#
- 1...cxb6
- 2.Sd6#
- 1...Re1
- 2.Sd2#
- 1...Ra1
- 2.Sd2#
- 1...Rb1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rg1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Sac1
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...Sdc1
- 2.Qxc5#
- 1...Se1
- 2.Qxc5#
- 1...Sb2
- 2.Qxc5#
- 1...Sf2
- 2.Qxc5#
- 1...Sf4
- 2.Qxc5#
- 1...Se5
- 2.Qxc5#
- 1...c6
- 2.Sd6#
- 1...Saxb4
- 1.Qb6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::S(E)
- R(a);N_GUARD,P_PINP(G)::S(E)
- R(a);N_GUARD::S(E),XR(a)
- S(b);N_GUARD::R1(B)
- S(b);N_GUARD::R1(B),XS(b)
- S(b);N_GUARD,XP(C)::R1(B)
- S(c);N_GUARD::QAR1(F),XP(f)
- S(c);N_GUARD,XP(C)::QAR1(F),XP(f)
- P(g);OGATEB,XS(E)::QAB(F)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- S(b);N_GUARD,XP(C)::R1(B)
- S(c);N_GUARD,XP(C)::QAR1(F),XP(f)
- P(g);OGATEB,XS(E)::QAB(F)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD::S(E),XR(a)
- S(b);N_GUARD::R1(B)
- S(b);N_GUARD::R1(B),XS(b)
- S(c);N_GUARD::QAR1(F),XP(f)
- Refutation
- R(a);P_PINS(E)
- Try
- K(H);S_FLIGHT
- Vars
- S(b);N_GUARD,XP(C)::R1(B)
- S(c);N_GUARD,XP(C)::QAR1(F),XP(f)
- P(g);OGATEB,XS(E)::QAB(F)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD::S(E),XR(a)
- S(b);N_GUARD::R1(B)
- S(b);N_GUARD::R1(B),XS(b)
- S(c);N_GUARD::QAR1(F),XP(f)
- Refutation
- R(a);CHECK
- Try
- K(H);P-FLIGHT
- Vars
- S(b);N_GUARD,XP(C)::R1(B)
- S(c);N_GUARD,XP(C)::QAR1(F),XP(f)
- P(g);OGATEB,XS(E)::QAB(F)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD::S(E),XR(a)
- S(b);N_GUARD::R1(B)
- S(b);N_GUARD::R1(B),XS(b)
- S(c);N_GUARD::QAR1(F),XP(f)
- Refutation
- R(a);P_PINS(E)
- Try
- K(H);P-FLIGHT
- Vars
- S(b);N_GUARD,XP(C)::R1(B)
- S(c);N_GUARD,XP(C)::QAR1(F),XP(f)
- P(g);OGATEB,XS(E)::QAB(F)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD::S(E),XR(a)
- S(b);N_GUARD::R1(B)
- S(b);N_GUARD::R1(B),XS(b)
- S(c);N_GUARD::QAR1(F),XP(f)
- Refutation
- R(a);CHECK
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(b);XP(C)::QAB1(F),XP(e)
- S(c);XP(C)::QAB1(F),XP(e)
- S(c);::QAB1(F),XP(e)
- Refutation
- S(b);XS(E)
- Try
- Actual
- Q(F);N_PINP(f)
- Vars
- S(b);N_GUARD,XP(C)::R1(B)
- S(c);N_GUARD,XP(C)::QAR1(F),XP(f)
- P(f);SBLOCK,XP(C)::S(A)
- P(f);OGATE,XP(D)::QAR1(F),XP(f)
- P(g);OGATEB,XS(E)::QAB(F)
- P(h);N_GUARD,XQ(F)::S(E)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD,P_PINP(G)::S(E)
- R(a);N_GUARD::S(E),XR(a)
- S(b);N_GUARD::R1(B)
- S(b);N_GUARD::R1(B),XS(b)
- S(c);N_GUARD::QAR1(F),XP(f)
- P(h);N_GUARD::S(E)
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).