MESON Chess Problem Database
Problem Display
PID: 137629 (1K6/1p6/k7/rp1R4/3N4/1p6/1P6/5Q2 w - - 0 1)
Gandy, Jean-Claude
Europe Echecs, 1978
#2
5 + 5
SOLUTION
- SOUND
- Sets
- 1...Kb6
- 2.Qf6#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...Kb6
- Tries
- 1.Sc2?
- 1...Kb6
- 2.Qf6#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...b6
- 2.Sb4#
- 1...bxc2!
- 1...Kb6
- 1.Sxb3?
- 1...Kb6
- 2.Rd6#
- 2.Qf6#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...b6!
- 1...Kb6
- 1.Re5?
- 1...Kb6
- 2.Qf6#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...b6!
- 1...Kb6
- 1.Rg5?
- 1...Kb6
- 2.Qf6#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...b6!
- 1...Kb6
- 1.Rh5?
- 1...Kb6
- 2.Qf6#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...b6!
- 1...Kb6
- 1.Rd7?
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...b6
- 2.Ra7#
- 1...Kb6!
- 1...Ra1
- 1.Qe2?
- 1...Kb6
- 2.Qe6#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...b6!
- 1...Kb6
- 1.Qd3?
- 1...Kb6
- 2.Qg6#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...b6!
- 1...Kb6
- 1.Qc4?
- 1...Kb6
- 2.Rd6#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...b6
- 2.Qc8#
- 1...bxc4!
- 1...Kb6
- 1.Sc2?
- Keys
- 1.Se6!
- 1...Kb6
- 2.Rd6#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...b6
- 2.Sc7#
- 1...Kb6
- 1.Se6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(d);N_SPINP(c),P-FLIGHT::QAR(A)
- R(b);N_GUARD::QAB1(A),XP(c)
- Tries
- Try
- S(C);
- Vars
- K(d);N_SPINP(c),P-FLIGHT::QAR(A)
- R(b);N_GUARD::QAB1(A),XP(c)
- P(e);SBLOCK::S(C)
- Refutation
- P(a);XS(C)
- Try
- S(C);XP(a)
- Vars
- R(b);N_GUARD::QAB1(A),XP(c)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- K(d);N_SPINP(c),P-FLIGHT::QAR(A)
- R(b);N_GUARD::QAB1(A),XP(c)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- K(d);N_SPINP(c),P-FLIGHT::QAR(A)
- R(b);N_GUARD::QAB1(A),XP(c)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- K(d);N_SPINP(c),P-FLIGHT::QAR(A)
- R(b);N_GUARD::QAB1(A),XP(c)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- R(b);N_GUARD::QAB1(A),XP(c)
- P(e);OGATE,SBLOCK::R1(D)
- Refutation
- K(d);N_SPINP(c),P-FLIGHT
- Try
- Q(A);
- Vars
- K(d);N_SPINP(c),P-FLIGHT::QAR(A)
- R(b);N_GUARD::QAB1(A),XP(c)
- Refutation
- P(e);
- Try
- Q(A);
- Vars
- K(d);N_SPINP(c),P-FLIGHT::QAR(A)
- R(b);N_GUARD::QAB1(A),XP(c)
- Refutation
- P(e);
- Try
- Q(A);
- Vars
- K(d);N_SPINP(c),P-FLIGHT::R(D)
- R(b);N_GUARD::QAB1(A),XP(c)
- P(e);OGATEB,SBLOCK::QAB(A)
- Refutation
- P(c);N_SPINP(c),XQ(A)
- Try
- Actual
- S(C);
- Vars
- K(d);N_SPINP(c),P-FLIGHT::R(D)
- R(b);N_GUARD::QAB1(A),XP(c)
- P(e);SBLOCK::S(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).