MESON Chess Problem Database
Problem Display
PID: 51340 (4BB2/8/1R2bkp1/2nQ4/p1R1p1P1/P4n2/K7/8 w - - 0 1)
Andrade, Barry Jack da Costa
Manchester Guardian, 1957
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.g5#
- 1...Sg1
- 2.g5#
- 1...Sd2
- 2.g5#
- 1...Sh2
- 2.g5#
- 1...Sd4
- 2.g5#
- 1...Sh4
- 2.g5#
- 1...Se5
- 2.Qd8#
- 1...Sg5
- 2.Qd4#
- 1...Sb3
- 2.Rxe6#
- 1...Sd3
- 2.Rxe6#
- 1...Sa6
- 2.Rxe6#
- 1...Sb7
- 2.Rxe6#
- 1...Sd7
- 2.Rxe6#
- 1...e3
- 2.Rf4#
- 1...g5
- 2.Qf5#
- 1...Se1
- Tries
- 1.Ka1?
- 1...Se5
- 2.Qd8#
- 1...Se1
- 2.g5#
- 1...Sg1
- 2.g5#
- 1...Sd2
- 2.g5#
- 1...Sh2
- 2.g5#
- 1...Sd4
- 2.g5#
- 1...Sh4
- 2.g5#
- 1...Sg5
- 2.Qd4#
- 1...Sd3
- 2.Rxe6#
- 1...Sa6
- 2.Rxe6#
- 1...Sb7
- 2.Rxe6#
- 1...Sd7
- 2.Rxe6#
- 1...e3
- 2.Rf4#
- 1...g5
- 2.Qf5#
- 1...Sb3+!
- 1...Se5
- 1.Kb1?
- 1...Se5
- 2.Qd8#
- 1...Se1
- 2.g5#
- 1...Sg1
- 2.g5#
- 1...Sh2
- 2.g5#
- 1...Sd4
- 2.g5#
- 1...Sh4
- 2.g5#
- 1...Sg5
- 2.Qd4#
- 1...Sb3
- 2.Rxe6#
- 1...Sd3
- 2.Rxe6#
- 1...Sa6
- 2.Rxe6#
- 1...Sb7
- 2.Rxe6#
- 1...Sd7
- 2.Rxe6#
- 1...e3
- 2.Rf4#
- 1...g5
- 2.Qf5#
- 1...Sd2+!
- 1...Se5
- 1.Kb2?
- 1...Se5
- 2.Qd8#
- 1...Se1
- 2.g5#
- 1...Sg1
- 2.g5#
- 1...Sd2
- 2.g5#
- 1...Sh2
- 2.g5#
- 1...Sd4
- 2.g5#
- 1...Sh4
- 2.g5#
- 1...Sg5
- 2.Qd4#
- 1...Sb3
- 2.Rxe6#
- 1...Sa6
- 2.Rxe6#
- 1...Sb7
- 2.Rxe6#
- 1...Sd7
- 2.Rxe6#
- 1...e3
- 2.Rf4#
- 1...g5
- 2.Qf5#
- 1...Sd3+!
- 1...Se5
- 1.Ra6?
- 1...Se5
- 2.Qd8#
- 1...Sg5
- 2.Qd4#
- 1...Se1
- 2.g5#
- 1...Sg1
- 2.g5#
- 1...Sd2
- 2.g5#
- 1...Sh2
- 2.g5#
- 1...Sd4
- 2.g5#
- 1...Sh4
- 2.g5#
- 1...Sb3
- 2.Rxe6#
- 1...Sd3
- 2.Rxe6#
- 1...Sb7
- 2.Rxe6#
- 1...Sd7
- 2.Rxe6#
- 1...e3
- 2.Rf4#
- 1...g5
- 2.Qf5#
- 1...Sxa6!
- 1...Se5
- 1.Rd6?
- 1...Sg5
- 2.Qd4#
- 1...Se1
- 2.g5#
- 1...Sg1
- 2.g5#
- 1...Sd2
- 2.g5#
- 1...Sh2
- 2.g5#
- 1...Sd4
- 2.g5#
- 1...Sh4
- 2.g5#
- 1...Sb3
- 2.Rxe6#
- 1...Sd3
- 2.Rxe6#
- 1...Sa6
- 2.Rxe6#
- 1...Sb7
- 2.Rxe6#
- 1...Sd7
- 2.Rxe6#
- 1...e3
- 2.Rf4#
- 1...g5
- 2.Qf5#
- 1...Se5!
- 1...Sg5
- 1.Qxc5?
- 1...Se5
- 2.Qe7#
- 1...Sg5
- 2.Qd4#
- 1...Se1
- 2.g5#
- 1...Sg1
- 2.g5#
- 1...Sd2
- 2.g5#
- 1...Sh2
- 2.g5#
- 1...Sd4
- 2.g5#
- 1...Sh4
- 2.g5#
- 1...g5
- 2.Qf5#
- 1...e3!
- 1...Se5
- 1.Ka1?
- Keys
- 1.Rc6!
- 1...Se5
- 2.Qd8#
- 1...Sg5
- 2.Qd4#
- 1...Se1
- 2.g5#
- 1...Sg1
- 2.g5#
- 1...Sd2
- 2.g5#
- 1...Sh2
- 2.g5#
- 1...Sd4
- 2.g5#
- 1...Sh4
- 2.g5#
- 1...Sb3
- 2.Rxe6#
- 1...Sd3
- 2.Rxe6#
- 1...Sa6
- 2.Rxe6#
- 1...Sb7
- 2.Rxe6#
- 1...Sd7
- 2.Rxe6#
- 1...e3
- 2.Rf4#
- 1...g5
- 2.Qf5#
- 1...Se5
- 1.Rc6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::P(D)
- S(a);SBLOCK::QAB(E)
- S(a);N_GUARD,SBLOCK::QAB(E)
- S(d);N_GUARD::R1(F),XB(e)
- P(c);OGATE::R(C)
- P(g);N_GUARD::QAR1(E)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(a);SBLOCK::QAB(E)
- S(a);N_GUARD::P(D)
- S(a);N_GUARD,SBLOCK::QAB(E)
- S(d);N_GUARD::R1(F),XB(e)
- P(c);OGATE::R(C)
- P(g);N_GUARD::QAR1(E)
- Refutation
- S(d);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- S(a);SBLOCK::QAB(E)
- S(a);N_GUARD::P(D)
- S(a);N_GUARD,SBLOCK::QAB(E)
- S(d);N_GUARD::R1(F),XB(e)
- P(c);OGATE::R(C)
- P(g);N_GUARD::QAR1(E)
- Refutation
- S(a);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- S(a);SBLOCK::QAB(E)
- S(a);N_GUARD::P(D)
- S(a);N_GUARD,SBLOCK::QAB(E)
- S(d);N_GUARD::R1(F),XB(e)
- P(c);OGATE::R(C)
- P(g);N_GUARD::QAR1(E)
- Refutation
- S(d);CHECK
- Try
- R(F);
- Vars
- S(a);SBLOCK::QAB(E)
- S(a);N_GUARD,SBLOCK::QAB(E)
- S(a);N_GUARD::P(D)
- S(d);N_GUARD::R1(F),XB(e)
- P(c);OGATE::R(C)
- P(g);N_GUARD::QAR1(E)
- Refutation
- S(d);N_SPINB(e),XR(F)
- Try
- R(F);
- Vars
- S(a);N_GUARD,SBLOCK::QAB(E)
- S(a);N_GUARD::P(D)
- S(d);N_GUARD::R1(F),XB(e)
- P(c);OGATE::R(C)
- P(g);N_GUARD::QAR1(E)
- Refutation
- S(a);
- Try
- Q(E);P_SPINR(C),XS(d)
- Vars
- S(a);SBLOCK::QAB1(E)
- S(a);N_GUARD,SBLOCK::QAB(E)
- S(a);N_GUARD::P(D)
- P(g);N_GUARD::QAR1(E)
- Refutation
- P(c);
- Try
- Actual
- R(F);
- Vars
- S(a);SBLOCK::QAB(E)
- S(a);N_GUARD,SBLOCK::QAB(E)
- S(a);N_GUARD::P(D)
- S(d);N_GUARD::R1(F),XB(e)
- P(c);OGATE::R(C)
- P(g);N_GUARD::QAR1(E)
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).