MESON Chess Problem Database
Problem Display
PID: 18283 (8/b7/3ppK2/1Bpk4/N3r3/4P3/2N3Q1/1n6 w - - 0 1)
Goulty, Allison Howard
Time & Tide, 1954
#2
6 + 7
SOLUTION
- SOUND
- Sets
- 1...Bb6
- 2.Sxb6#
- 1...Bb8
- 2.Sb6#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...c4
- 2.Sb4#
- 1...e5
- 2.Qg8#
- 1...Bb6
- Tries
- 1.Sa1?
- 1...Bb6
- 2.Sxb6#
- 1...Bb8
- 2.Sb6#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...e5
- 2.Qg8#
- 1...c4!
- 1...Bb6
- 1.Se1?
- 1...Bb6
- 2.Sxb6#
- 1...Bb8
- 2.Sb6#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...e5
- 2.Qg8#
- 1...c4!
- 1...Bb6
- 1.Sa3?
- 1...Sxa3
- 2.Sc3#
- 1...Bb6
- 2.Sxb6#
- 1...Bb8
- 2.Sb6#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...e5
- 2.Qg8#
- 1...c4!
- 1...Sxa3
- 1.Qh1?
- 1...Bb6
- 2.Sxb6#
- 1...Bb8
- 2.Sb6#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...c4
- 2.Sb4#
- 1...e5!
- 1...Bb6
- 1.Qf3?
- 1...Bb6
- 2.Sxb6#
- 1...Bb8
- 2.Sb6#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...c4
- 2.Sb4#
- 1...e5!
- 1...Bb6
- 1.Qd2+?
- 1...Sxd2
- 2.Sc3#
- 1...Rd4!
- 1...Sxd2
- 1.Qg5+?
- 1...e5
- 2.Qg8#
- 1...Re5!
- 1...e5
- 1.Qg8?
- threat
- 2.Qa8#
- 1...Bb8
- 2.Sb6#
- 1...Rf4+!
- threat
- 1.Sa1?
- Keys
- 1.Sd4!
- 1...cxd4
- 2.Qa2#
- 1...Bb6
- 2.Sxb6#
- 1...Bb8
- 2.Sb6#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...c4
- 2.Bc6#
- 1...e5
- 2.Qg8#
- 1...cxd4
- 1.Sd4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(g);N_GUARD::S(D),XB(g)
- B(g);N_GUARD::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- P(c);N_GUARD::S(A)
- P(f);OGATEB::QAB(B)
- Tries
- Try
- S(A);
- Vars
- B(g);N_GUARD::S(D),XB(g)
- B(g);N_GUARD::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- P(f);OGATEB::QAB(B)
- Refutation
- P(c);
- Try
- S(A);
- Vars
- B(g);N_GUARD::S(D),XB(g)
- B(g);N_GUARD::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- P(f);OGATEB::QAB(B)
- Refutation
- P(c);
- Try
- S(A);
- Vars
- S(a);N_GUARD,XS(A)::S(D)
- B(g);N_GUARD::S(D),XB(g)
- B(g);N_GUARD::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- P(f);OGATEB::QAB(B)
- Refutation
- P(c);
- Try
- Q(B);
- Vars
- B(g);N_GUARD::S(D),XB(g)
- B(g);N_GUARD::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- P(c);N_GUARD::S(A)
- Refutation
- P(f);
- Try
- Q(B);
- Vars
- B(g);N_GUARD::S(D),XB(g)
- B(g);N_GUARD::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- P(c);N_GUARD::S(A)
- Refutation
- P(f);
- Try
- Q(B);CHECK,N_PINR(b)
- Vars
- S(a);XQ(B)::S(D)
- Refutation
- R(b);P_SPINR(b)
- Try
- Q(B);CHECK,N_PINR(b)
- Vars
- P(f);OGATEB,P_SPINP(f)::QAB(B)
- Refutation
- R(b);P_SPINR(b)
- Try
- Q(B);N_PINR(b),P_PINP(f)
- Threat
- QAB(B)
- Vars
- B(g);N_GUARD::S(D)
- Refutation
- R(b);CHECK
- Try
- Actual
- S(A);
- Vars
- P(c);N_GUARD,XS(A)::QAB(B)
- B(g);N_GUARD::S(D),XB(g)
- B(g);N_GUARD::S(D)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- P(c);SBLOCK::B(E)
- P(f);OGATEB::QAB(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).