MESON Chess Problem Database
Problem Display
PID: 77764 (2k1B3/8/1Qn5/2R1n2K/8/8/8/8 w - - 0 1)
Lewis, Robert Tony
Problem Paradise, 1997
#2
4 + 3
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Rxc6#
- 1...Sf3
- 2.Rxc6#
- 1...Sc4
- 2.Rxc6#
- 1...Sg4
- 2.Rxc6#
- 1...Sg6
- 2.Rxc6#
- 1...Sd7
- 2.Rxc6#
- 1...Sf7
- 2.Rxc6#
- 1...Sd3
- Tries
- 1.Bd7+?
- 1...Sxd7
- 2.Rxc6#
- 1...Kxd7!
- 1...Sxd7
- 1.Rc1?
- 1...Sd3
- 2.Rxc6#
- 1...Sf3
- 2.Rxc6#
- 1...Sg4
- 2.Rxc6#
- 1...Sg6
- 2.Rxc6#
- 1...Sd7
- 2.Rxc6#
- 1...Sf7
- 2.Rxc6#
- 1...Sc4!
- 1...Sd3
- 1.Rc2?
- 1...Sd3
- 2.Rxc6#
- 1...Sf3
- 2.Rxc6#
- 1...Sg4
- 2.Rxc6#
- 1...Sg6
- 2.Rxc6#
- 1...Sd7
- 2.Rxc6#
- 1...Sf7
- 2.Rxc6#
- 1...Sc4!
- 1...Sd3
- 1.Rc3?
- 1...Sd3
- 2.Rxc6#
- 1...Sf3
- 2.Rxc6#
- 1...Sg4
- 2.Rxc6#
- 1...Sg6
- 2.Rxc6#
- 1...Sd7
- 2.Rxc6#
- 1...Sf7
- 2.Rxc6#
- 1...Sc4!
- 1...Sd3
- 1.Rc4?
- 1...Sd3
- 2.Rxc6#
- 1...Sf3
- 2.Rxc6#
- 1...Sg4
- 2.Rxc6#
- 1...Sg6
- 2.Rxc6#
- 1...Sd7
- 2.Rxc6#
- 1...Sf7
- 2.Rxc6#
- 1...Sxc4!
- 1...Sd3
- 1.Bd7+?
- Keys
- 1.Rd5!
- 1...Sc4
- 2.Bd7#
- 1...Sd3
- 2.Bd7#
- 1...Sf3
- 2.Bd7#
- 1...Sg4
- 2.Bd7#
- 1...Sg6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...Sf7
- 2.Bd7#
- 1...Sb4
- 2.Rd8#
- 1...Sd4
- 2.Rd8#
- 1...Sa5
- 2.Rd8#
- 1...Sa7
- 2.Rd8#
- 1...Se7
- 2.Rd8#
- 1...Sb8
- 2.Rd8#
- 1...Sd8
- 2.Rxd8#
- 1...Sc4
- 1.Rd5!
This is a version of 15256
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R(A),XS(b)
- Tries
- Try
- B(D);CHECK
- Vars
- S(a);SBLOCK,XB(D)::R(A),XS(b)
- Refutation
- K(c);N_SPINS(b),S_FLIGHT,XB(D)
- Try
- R(A);
- Vars
- S(a);N_GUARD::R(A),XS(b)
- Refutation
- S(a);N_SPINS(b)
- Try
- R(A);
- Vars
- S(a);N_GUARD::R(A),XS(b)
- Refutation
- S(a);N_SPINS(b)
- Try
- R(A);
- Vars
- S(a);N_GUARD::R(A),XS(b)
- Refutation
- S(a);N_SPINS(b)
- Try
- R(A);
- Vars
- S(a);N_GUARD::R(A),XS(b)
- Refutation
- S(a);N_SPINS(b),XR(A)
- Try
- Actual
- R(A);N_PINS(b)
- Vars
- S(a);N_GUARD::B(D)
- S(a);N_GUARD::B(D),XS(a)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(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).