MESON Chess Problem Database
Problem Display
PID: 227838 (n1N5/1R6/k1nN4/8/K7/8/8/8 w - - 0 1)
Csontos, Jeno
Szentgyorgy, Erno
Magyar Sakkvilag, 1926
#2
4 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sb4
- 2.Ra7#
- 1...Sd4
- 2.Ra7#
- 1...Sa5
- 2.Ra7#
- 1...Se5
- 2.Ra7#
- 1...Sa7
- 2.Rxa7#
- 1...Se7
- 2.Ra7#
- 1...Sb8
- 2.Ra7#
- 1...Sd8
- 2.Ra7#
- 1...Sb6+
- 2.Rxb6#
- 1...Sc7
- 2.Rb6#
- 1...Sb4
- Tries
- 1.Sc4?
- 1...Sb6+
- 2.Rxb6#
- 1...Sb4
- 2.Ra7#
- 1...Sd4
- 2.Ra7#
- 1...Sa5
- 2.Ra7#
- 1...Se5
- 2.Ra7#
- 1...Sa7
- 2.Rxa7#
- 1...Se7
- 2.Ra7#
- 1...Sb8
- 2.Ra7#
- 1...Sd8
- 2.Ra7#
- 1...Sc7
- 2.Rb6#
- 1...Kxb7!
- 1...Sb6+
- 1.Se4?
- threat
- 2.Sc5#
- 1...Sb6+
- 2.Rxb6#
- 1...Kxb7!
- threat
- 1.Sb5?
- 1...Sb6+
- 2.Rxb6#
- 1...Sb4
- 2.Ra7#
- 1...Sd4
- 2.Ra7#
- 1...Sa5
- 2.Ra7#
- 1...Se5
- 2.Ra7#
- 1...Sa7
- 2.Rxa7#
- 1...Se7
- 2.Ra7#
- 1...Sb8
- 2.Ra7#
- 1...Sd8
- 2.Ra7#
- 1...Sc7
- 2.Rb6#
- 1...Kxb7!
- 1...Sb6+
- 1.Sf5?
- 1...Sb6+
- 2.Rxb6#
- 1...Sb4
- 2.Ra7#
- 1...Sd4
- 2.Ra7#
- 1...Sa5
- 2.Ra7#
- 1...Se5
- 2.Ra7#
- 1...Sa7
- 2.Rxa7#
- 1...Se7
- 2.Ra7#
- 1...Sb8
- 2.Ra7#
- 1...Sd8
- 2.Ra7#
- 1...Sc7
- 2.Rb6#
- 1...Kxb7!
- 1...Sb6+
- 1.Sf7?
- 1...Sb6+
- 2.Rxb6#
- 1...Sb4
- 2.Ra7#
- 1...Sd4
- 2.Ra7#
- 1...Sa5
- 2.Ra7#
- 1...Se5
- 2.Ra7#
- 1...Sa7
- 2.Rxa7#
- 1...Se7
- 2.Ra7#
- 1...Sb8
- 2.Ra7#
- 1...Sd8
- 2.Ra7#
- 1...Sc7
- 2.Rb6#
- 1...Kxb7!
- 1...Sb6+
- 1.Se8?
- 1...Sb6+
- 2.Rxb6#
- 1...Sb4
- 2.Ra7#
- 1...Sd4
- 2.Ra7#
- 1...Sa5
- 2.Ra7#
- 1...Se5
- 2.Ra7#
- 1...Sa7
- 2.Rxa7#
- 1...Se7
- 2.Ra7#
- 1...Sb8
- 2.Ra7#
- 1...Sd8
- 2.Ra7#
- 1...Sc7
- 2.Rb6#
- 1...Kxb7!
- 1...Sb6+
- 1.Sc4?
- Keys
- 1.Rb5!
- 1...Sb6+
- 2.Rxb6#
- 1...Sb4
- 2.Ra5#
- 1...Sd4
- 2.Ra5#
- 1...Sa5
- 2.Rxa5#
- 1...Se5
- 2.Ra5#
- 1...Sa7
- 2.Ra5#
- 1...Se7
- 2.Ra5#
- 1...Sb8
- 2.Ra5#
- 1...Sd8
- 2.Ra5#
- 1...Sc7
- 2.Rb6#
- 1...Sb6+
- 1.Rb5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- S(c);N_GUARD::R1(C)
- Tries
- Try
- S(B);
- Vars
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- S(c);N_GUARD::R1(C)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- S(B);
- Threat
- S(B)
- Vars
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- S(B);
- Vars
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- S(c);N_GUARD::R1(C)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- S(B);
- Vars
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- S(c);N_GUARD::R1(C)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- S(B);
- Vars
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- S(c);N_GUARD::R1(C)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- S(B);
- Vars
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- S(c);N_GUARD::R1(C)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- Actual
- R(C);
- Vars
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- S(c);N_GUARD::R1(C)
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).