MESON Chess Problem Database
Problem Display
PID: 99977 (3n4/4N3/3B4/6N1/3k3n/R7/B7/7K w - - 0 1)
Katko, Imre
Magyar Sakkvilag, 1925
#2
6 + 3
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Sg2
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...Sc6
- 2.Sxc6#
- 1...Se6
- 2.Sc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Sg2
- Tries
- 1.Kg1?
- 1...Sg2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...Sc6
- 2.Sxc6#
- 1...Se6
- 2.Sc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Sf3+!
- 1...Sg2
- 1.Kh2?
- 1...Sg2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...Sc6
- 2.Sxc6#
- 1...Se6
- 2.Sc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Sf3+!
- 1...Sg2
- 1.Sf3+?
- 1...Ke4
- 2.Bb1#
- 2.Bd5#
- 1...Sxf3!
- 1...Ke4
- 1.Se6+?
- 1...Ke4
- 2.Bb1#
- 2.Bd5#
- 1...Sxe6!
- 1...Ke4
- 1.Be6?
- 1...Sg2
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...Sc6
- 2.Sxc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Sxe6!
- 1...Sg2
- 1.Rf3?
- 1...Sg2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...Sc6
- 2.Sxc6#
- 1...Se6
- 2.Sc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Sxf3!
- 1...Sg2
- 1.Rg3?
- 1...Sg2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...Sc6
- 2.Sxc6#
- 1...Se6
- 2.Sc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Sf3!
- 1...Sg2
- 1.Rh3?
- 1...Sg2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...Sc6
- 2.Sxc6#
- 1...Se6
- 2.Sc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Sf3!
- 1...Sg2
- 1.Kg1?
- Keys
- 1.Bd5!
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sf5
- 2.Sf3#
- 1...Sg6
- 2.Sf3#
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...Sg2
- 1.Bd5!
Anticipated by 293(1920)
This anticipates 107910(1949), 56395(1966)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- Refutation
- S(b);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- Refutation
- S(b);CHECK
- Try
- S(D);CHECK
- Refutation
- S(b);XS(D)
- Try
- S(D);CHECK
- Refutation
- S(c);XS(D)
- Try
- B(B);
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- Refutation
- S(c);XB(B)
- Try
- R(C);
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- Refutation
- S(b);XR(C)
- Try
- R(C);
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- Refutation
- S(b);
- Try
- R(C);
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(c);N_GUARD::S(F),XS(c)
- S(c);N_GUARD::S(F)
- Refutation
- S(b);
- Try
- Actual
- B(B);
- Vars
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(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).