MESON Chess Problem Database
Problem Display
PID: 39104 (8/8/8/2B3pB/2R2pr1/RNbNqk2/2Q2n1K/8 w - - 0 1)
Mansfield, Comins
Complete Mansfield/III, 1999
#2
8 + 7
| 56 | The Problemist | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Qxf2#
- 1...Qxd3
- 2.Qxf2#
- 1...Qe4
- 2.Qxf2#
- 1...Qe5
- 2.Qxf2#
- 1...Qe6
- 2.Qxf2#
- 1...Qe7
- 2.Qxf2#
- 1...Qe8
- 2.Qxf2#
- 1...Sd1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Sxd3
- 2.Qg2#
- 1...Sh3
- 2.Qg2#
- 1...Se4
- 2.Qg2#
- 1...Qc1
- Tries
- 1.Sdc1?
- 1...Qxc1
- 2.Qxf2#
- 1...Qxc5
- 2.Qe2#
- 1...Qd4
- 2.Qe2#
- 1...Qd2
- 2.Sxd2#
- 1...Qe2
- 2.Qxe2#
- 1...Qd3
- 2.Qxf2#
- 1...Qe4
- 2.Sd2#
- 2.Qxf2#
- 1...Qe5
- 2.Sd2#
- 2.Qxf2#
- 1...Qe6
- 2.Sd2#
- 2.Qxf2#
- 1...Qe7
- 2.Sd2#
- 2.Qxf2#
- 1...Qe8
- 2.Sd2#
- 2.Qxf2#
- 1...Ba1
- 2.Sd2#
- 1...Be1
- 2.Sd4#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 2.Sd4#
- 1...Bb4
- 2.Sd4#
- 1...Bd4
- 2.Sd2#
- 2.Sxd4#
- 1...Ba5
- 2.Sd4#
- 1...Be5
- 2.Sd2#
- 1...Bf6
- 2.Sd2#
- 1...Bg7
- 2.Sd2#
- 1...Bh8
- 2.Sd2#
- 1...Sd1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Sd3
- 2.Qg2#
- 1...Sh3
- 2.Qg2#
- 1...Se4
- 2.Qg2#
- 1...Qe1!
- 1...Qxc1
- 1.Se1+?
- 1...Bxe1
- 2.Sd4#
- 1...Qxe1!
- 1...Bxe1
- 1.Se5+?
- 1...Qxe5
- 2.Qxf2#
- 1...Bxe5!
- 1...Qxe5
- 1.Sdc1?
- Keys
- 1.Sbc1!
- 1...Qxc1
- 2.Se5#
- 2.Qxf2#
- 1...Qxc5
- 2.Qe2#
- 1...Qxd3
- 2.Qxf2#
- 1...Sxd3
- 2.Qg2#
- 1...Qd4
- 2.Qe2#
- 1...Bd4
- 2.Se1#
- 1...Qd2
- 2.Se5#
- 1...Qe1
- 2.Sxe1#
- 1...Qe2
- 2.Qxe2#
- 1...Qe4
- 2.Qxf2#
- 1...Qe5
- 2.Sxe5#
- 2.Qxf2#
- 1...Qe6
- 2.Qxf2#
- 1...Qe7
- 2.Qxf2#
- 1...Qe8
- 2.Qxf2#
- 1...Ba1
- 2.Se1#
- 1...Be1
- 2.Sxe1#
- 2.Se5#
- 1...Bb2
- 2.Se1#
- 1...Bd2
- 2.Se5#
- 1...Bb4
- 2.Se5#
- 1...Ba5
- 2.Se5#
- 1...Be5
- 2.Se1#
- 2.Sxe5#
- 1...Bf6
- 2.Se1#
- 1...Bg7
- 2.Se1#
- 1...Bh8
- 2.Se1#
- 1...Sd1
- 2.Qg2#
- 1...Sh1
- 2.Qg2#
- 1...Sh3
- 2.Qg2#
- 1...Se4
- 2.Qg2#
- 1...Qxc1
- 1.Sbc1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 14
- REMOVED MATES = 2
- Sets
- Q(c);N_GUARD::QAR1(A),XS(a)
- Q(c);N_GUARD,XS(E)::QAR1(A),XS(a)
- S(a);OGATE::QAB1(A)
- S(a);OGATE,XS(E)::QAB1(A)
- Tries
- Try
- S(E);
- Vars
- Q(c);N_GUARD,XS(E)::QAR1(A),XS(a)
- Q(c);N_GUARD,XB(G)::QAB1(A)
- Q(c);N_GUARD::QAB1(A)
- Q(c);N_GUARD,S_CUTB(b)::S(D),XQ(c)
- Q(c);N_GUARD::QAB1(A),XQ(c)
- Q(c);N_GUARD::QAR1(A),XS(a)
- B(b);N_GUARD,S_CUTQ(c)::S(D)
- S(a);OGATE::QAB1(A)
- Refutation
- Q(c);
- Try
- S(E);CHECK
- Vars
- B(b);XS(E)::S(D)
- Refutation
- Q(c);XS(E)
- Try
- S(E);CHECK
- Vars
- Q(c);XS(E)::QAR1(A),XS(a)
- Refutation
- B(b);XS(E)
- Try
- Actual
- S(D);
- Vars
- Q(c);N_GUARD,XB(G)::QAB1(A)
- Q(c);N_GUARD,XS(E)::QAR1(A),XS(a)
- S(a);OGATE,XS(E)::QAB1(A)
- Q(c);N_GUARD::QAB1(A)
- B(b);N_GUARD,S_CUTQ(c)::S(E)
- Q(c);N_GUARD,S_CUTB(b)::S(E)
- Q(c);N_GUARD,S_CUTB(b)::S(E),XQ(c)
- Q(c);N_GUARD::QAB1(A),XQ(c)
- Q(c);N_GUARD::QAR1(A),XS(a)
- S(a);OGATE::QAB1(A)
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).