MESON Chess Problem Database
Problem Display
PID: 203549 (2B5/n2K4/1k3N2/R1R5/1n6/8/8/8 w - - 0 1)
Regos, Imre
Uj Nemezdek, 1924
#2
5 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.Sd5#
- 1...Sc2
- 2.Sd5#
- 1...Sd3
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sa6
- 2.Sd5#
- 1...Sbc6
- 2.Sd5#
- 1...Sb5
- 2.Rcxb5#
- 1...Sac6
- 2.Rcb5#
- 1...Sxc8
- 2.Rcb5#
- 1...Sa2
- Tries
- 1.Kd6?
- threat
- 2.Sd7#
- 1...Sb5+
- 2.Rcxb5#
- 1...Sxc8+!
- threat
- 1.Rd5?
- 1...Sxc8
- 2.Rdb5#
- 1...Sb5
- 2.Rdxb5#
- 1...Sa2
- 2.Ra6#
- 1...Sc2
- 2.Ra6#
- 1...Sd3
- 2.Ra6#
- 1...Sa6
- 2.Rxa6#
- 1...Sbc6
- 2.Ra6#
- 1...Sac6
- 2.Rdb5#
- 1...Sxd5!
- 1...Sxc8
- 1.Re5?
- 1...Sxc8
- 2.Reb5#
- 1...Sb5
- 2.Rexb5#
- 1...Sa2
- 2.Ra6#
- 1...Sc2
- 2.Ra6#
- 1...Sd3
- 2.Ra6#
- 1...Sa6
- 2.Rxa6#
- 1...Sbc6
- 2.Ra6#
- 1...Sac6
- 2.Reb5#
- 1...Sd5!
- 1...Sxc8
- 1.Rf5?
- 1...Sxc8
- 2.Rfb5#
- 1...Sb5
- 2.Rfxb5#
- 1...Sa2
- 2.Ra6#
- 1...Sc2
- 2.Ra6#
- 1...Sd3
- 2.Ra6#
- 1...Sa6
- 2.Rxa6#
- 1...Sbc6
- 2.Ra6#
- 1...Sac6
- 2.Rfb5#
- 1...Sd5!
- 1...Sxc8
- 1.Rg5?
- 1...Sxc8
- 2.Rgb5#
- 1...Sb5
- 2.Rgxb5#
- 1...Sa2
- 2.Ra6#
- 1...Sc2
- 2.Ra6#
- 1...Sd3
- 2.Ra6#
- 1...Sa6
- 2.Rxa6#
- 1...Sbc6
- 2.Ra6#
- 1...Sac6
- 2.Rgb5#
- 1...Sd5!
- 1...Sxc8
- 1.Rh5?
- 1...Sxc8
- 2.Rhb5#
- 1...Sb5
- 2.Rhxb5#
- 1...Sa2
- 2.Ra6#
- 1...Sc2
- 2.Ra6#
- 1...Sd3
- 2.Ra6#
- 1...Sa6
- 2.Rxa6#
- 1...Sbc6
- 2.Ra6#
- 1...Sac6
- 2.Rhb5#
- 1...Sd5!
- 1...Sxc8
- 1.Kd6?
- Keys
- 1.Se4!
- 1...Sxc8
- 2.Rcb5#
- 1...Sb5
- 2.Rcxb5#
- 1...Sa2
- 2.Ra6#
- 1...Sc2
- 2.Ra6#
- 1...Sd3
- 2.Ra6#
- 1...Sd5
- 2.Ra6#
- 1...Sa6
- 2.Rxa6#
- 1...Sbc6
- 2.Ra6#
- 1...Sac6
- 2.Rcb5#
- 1...Sxc8
- 1.Se4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(c);N_GUARD::R1(B),XS(c)
- S(c);N_GUARD::R1(B)
- S(c);N_GUARD,XB(E)::R1(B)
- Tries
- Try
- K(D);P-FLIGHT
- Threat
- S(C)
- Vars
- S(c);CHECK,N_GUARD::R1(B),XS(c)
- Refutation
- S(c);CHECK,XB(E)
- Try
- R(B);
- Vars
- S(c);N_GUARD,XB(E)::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- S(a);N_GUARD::R1(A)
- S(a);N_GUARD::R1(A),XS(a)
- S(c);N_GUARD::R1(B)
- Refutation
- S(a);XR(B)
- Try
- R(B);
- Vars
- S(c);N_GUARD,XB(E)::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- S(a);N_GUARD::R1(A)
- S(a);N_GUARD::R1(A),XS(a)
- S(c);N_GUARD::R1(B)
- Refutation
- S(a);
- Try
- R(B);
- Vars
- S(c);N_GUARD,XB(E)::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- S(a);N_GUARD::R1(A)
- S(a);N_GUARD::R1(A),XS(a)
- S(c);N_GUARD::R1(B)
- Refutation
- S(a);
- Try
- R(B);
- Vars
- S(c);N_GUARD,XB(E)::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- S(a);N_GUARD::R1(A)
- S(a);N_GUARD::R1(A),XS(a)
- S(c);N_GUARD::R1(B)
- Refutation
- S(a);
- Try
- R(B);
- Vars
- S(c);N_GUARD,XB(E)::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- S(a);N_GUARD::R1(A)
- S(a);N_GUARD::R1(A),XS(a)
- S(c);N_GUARD::R1(B)
- Refutation
- S(a);
- Try
- Actual
- S(C);
- Vars
- S(c);N_GUARD,XB(E)::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- S(a);N_GUARD::R1(A)
- S(a);N_GUARD::R1(A),XS(a)
- S(c);N_GUARD::R1(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).