MESON Chess Problem Database
Problem Display
PID: 51120 (6K1/2N5/3n1R2/4k1n1/5R2/2N1P3/8/8 w - - 0 1)
Andrade, Barry Jack da Costa
Manchester Guardian, 1950
#2
6 + 3
| 5454 | Near Snap | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.Re6#
- 1...Sh3
- 2.Re6#
- 1...Sge4
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sgf7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Sc4
- 2.R4f5#
- 1...Sde4
- 2.R4f5#
- 1...Sb5
- 2.R4f5#
- 1...Sf5
- 2.R4xf5#
- 1...Sb7
- 2.R4f5#
- 1...Sdf7
- 2.R4f5#
- 1...Sc8
- 2.R4f5#
- 1...Se8
- 2.R4f5#
- 1...Sf3
- Tries
- 1.Kg7?
- 1...Se6+
- 2.Rxe6#
- 1...Sf5+
- 2.R4xf5#
- 1...Sf3
- 2.Re6#
- 1...Sh3
- 2.Re6#
- 1...Sge4
- 2.Re6#
- 1...Sgf7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Sc4
- 2.R4f5#
- 1...Sde4
- 2.R4f5#
- 1...Sb5
- 2.R4f5#
- 1...Sb7
- 2.R4f5#
- 1...Sdf7
- 2.R4f5#
- 1...Sc8
- 2.R4f5#
- 1...Se8+!
- 1...Se6+
- 1.Kf8?
- 1...Se6+
- 2.Rxe6#
- 1...Sf5
- 2.R4xf5#
- 1...Sf3
- 2.Re6#
- 1...Sh3
- 2.Re6#
- 1...Sge4
- 2.Re6#
- 1...Sgf7
- 2.Re6#
- 1...Sc4
- 2.R4f5#
- 1...Sde4
- 2.R4f5#
- 1...Sb5
- 2.R4f5#
- 1...Sb7
- 2.R4f5#
- 1...Sdf7
- 2.R4f5#
- 1...Sc8
- 2.R4f5#
- 1...Se8
- 2.R4f5#
- 1...Sh7+!
- 1...Se6+
- 1.S3b5?
- 1...Sf5
- 2.R6xf5#
- 1...Sc4
- 2.R6f5#
- 1...Sf3
- 2.Re6#
- 1...Sh3
- 2.Re6#
- 1...Sge4
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sgf7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Sde4
- 2.R4f5#
- 2.R6f5#
- 1...Sb7
- 2.R6f5#
- 1...Sdf7
- 2.R6f5#
- 1...Sc8
- 2.R6f5#
- 1...Se8
- 2.R6f5#
- 1...Sxb5!
- 1...Sf5
- 1.Rf1?
- 1...Sf5
- 2.R1xf5#
- 1...Sc4
- 2.R1f5#
- 1...Sh3
- 2.Re6#
- 1...Sge4
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sgf7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Sde4
- 2.R1f5#
- 1...Sb5
- 2.R1f5#
- 1...Sb7
- 2.R1f5#
- 1...Sdf7
- 2.R1f5#
- 1...Sc8
- 2.R1f5#
- 1...Se8
- 2.R1f5#
- 1...Sf3!
- 1...Sf5
- 1.Rf2?
- 1...Sf5
- 2.R2xf5#
- 1...Sc4
- 2.R2f5#
- 1...Sh3
- 2.Re6#
- 1...Sge4
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sgf7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Sde4
- 2.R2f5#
- 1...Sb5
- 2.R2f5#
- 1...Sb7
- 2.R2f5#
- 1...Sdf7
- 2.R2f5#
- 1...Sc8
- 2.R2f5#
- 1...Se8
- 2.R2f5#
- 1...Sf3!
- 1...Sf5
- 1.Rf3?
- 1...Sf5
- 2.R3xf5#
- 1...Sc4
- 2.R3f5#
- 1...Sh3
- 2.Re6#
- 1...Sge4
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sgf7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Sde4
- 2.R3f5#
- 1...Sb5
- 2.R3f5#
- 1...Sb7
- 2.R3f5#
- 1...Sdf7
- 2.R3f5#
- 1...Sc8
- 2.R3f5#
- 1...Se8
- 2.R3f5#
- 1...Sxf3!
- 1...Sf5
- 1.Kg7?
- Keys
- 1.Se4!
- 1...Sgxe4
- 2.Re6#
- 1...Sdxe4
- 2.R4f5#
- 1...Sc4
- 2.R6f5#
- 1...Sf3
- 2.Re6#
- 1...Sh3
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sgf7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Sb5
- 2.R6f5#
- 1...Sf5
- 2.R6xf5#
- 1...Sb7
- 2.R6f5#
- 1...Sdf7
- 2.R6f5#
- 1...Sc8
- 2.R6f5#
- 1...Se8
- 2.R6f5#
- 1...Sgxe4
- 1.Se4!
This anticipates 1055(1999)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- S(c);N_GUARD::R1(C)
- S(c);N_GUARD::R1(C),XS(c)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- S(b);CHECK,N_GUARD::R1(D),XS(b)
- S(c);CHECK,N_GUARD::R1(C),XS(c)
- S(b);N_GUARD::R1(D)
- S(c);N_GUARD::R1(C)
- Refutation
- S(c);CHECK
- Try
- K(F);P-FLIGHT
- Vars
- S(b);CHECK,N_GUARD::R1(D),XS(b)
- S(c);N_GUARD::R1(C),XS(c)
- S(b);N_GUARD::R1(D)
- S(c);N_GUARD::R1(C)
- Refutation
- S(b);CHECK
- Try
- S(A);
- Vars
- S(c);N_GUARD::R1(D),XS(c)
- S(c);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- S(c);XS(A)
- Try
- R(C);
- Vars
- S(c);N_GUARD::R1(C),XS(c)
- S(c);N_GUARD::R1(C)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- S(b);
- Try
- R(C);
- Vars
- S(c);N_GUARD::R1(C),XS(c)
- S(c);N_GUARD::R1(C)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- S(b);
- Try
- R(C);
- Vars
- S(c);N_GUARD::R1(C),XS(c)
- S(c);N_GUARD::R1(C)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- S(b);XR(C)
- Try
- Actual
- S(A);
- Vars
- S(b);N_GUARD,XS(A)::R1(D)
- S(c);N_GUARD,SBLOCK,XS(A)::R1(C)
- S(c);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- S(c);N_GUARD::R1(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).