MESON Chess Problem Database
Problem Display
PID: 109005 (8/4p1nN/6Kb/8/1p2k1p1/1B2p3/p3P3/B4Q2 w - - 0 1)
Moore, Robert Clyde
Northwest Chess, 1978
#2
6 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf4
- 2.Qg2#
- 2.Qh1#
- 1...Bg5
- 2.Sxg5#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Bf4
- Tries
- 1.Bxa2?
- 1...Bf4
- 2.Qg2#
- 2.Qb1#
- 2.Qh1#
- 1...Bg5
- 2.Sxg5#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...b3!
- 1...Bf4
- 1.Bc4?
- 1...Bf4
- 2.Qg2#
- 2.Qh1#
- 1...Bg5
- 2.Sxg5#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...b3!
- 1...Bf4
- 1.Be6?
- 1...Sxe6
- 2.Qf5#
- 1...Bf4
- 2.Qg2#
- 2.Qh1#
- 1...Bg5
- 2.Sxg5#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g3
- 2.Qf3#
- 1...b3!
- 1...Sxe6
- 1.Bf7?
- 1...Se6
- 2.Qf5#
- 1...e6
- 2.Sf6#
- 1...Bf4
- 2.Qg2#
- 2.Qh1#
- 1...Bg5
- 2.Sxg5#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sf6#
- 1...b3!
- 1...Se6
- 1.Bg8?
- 1...Se6
- 2.Qf5#
- 1...e6
- 2.Sf6#
- 1...Bf4
- 2.Qg2#
- 2.Qh1#
- 1...Bg5
- 2.Sxg5#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sf6#
- 1...b3!
- 1...Se6
- 1.Qf2?
- 1...Sf5
- 2.Qxf5#
- 1...Bf4
- 2.Qg2#
- 1...Bg5
- 2.Sxg5#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...exf2!
- 1...Sf5
- 1.Qf6?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Sf5
- 2.Qe5#
- 2.Qxf5#
- 1...Bf4
- 2.Qd4#
- 2.Qc6#
- 1...Se6
- 2.Qe5#
- 2.Qf5#
- 1...e5
- 2.Qxe5#
- 1...exf6!
- threat
- 1.Qf7?
- threat
- 2.Bc2#
- 2.Bd5#
- 2.Qc4#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Qf5#
- 1...e6!
- threat
- 1.Bxa2?
- Keys
- 1.Qf8!
- 1...Sf5
- 2.Qxf5#
- 1...Bf4
- 2.Qa8#
- 1...Bg5
- 2.Sxg5#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...g3
- 2.Qf3#
- 1...e5
- 2.Qxb4#
- 1...e6
- 2.Qxb4#
- 1...Sf5
- 1.Qf8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(f);N_GUARD::S(F),XB(f)
- S(h);N_GUARD::QAB1(B),XS(h)
- S(h);N_GUARD::QAB1(B)
- P(e);N_GUARD::QAB1(B)
- P(g);N_GUARD::S(F)
- Tries
- Try
- B(D);XP(a)
- Vars
- B(f);N_GUARD::S(F),XB(f)
- S(h);N_GUARD::QAB1(B),XS(h)
- S(h);N_GUARD::QAB1(B)
- P(e);N_GUARD::QAB1(B)
- P(g);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- B(D);
- Vars
- B(f);N_GUARD::S(F),XB(f)
- S(h);N_GUARD::QAB1(B),XS(h)
- S(h);N_GUARD::QAB1(B)
- P(e);N_GUARD::QAB1(B)
- P(g);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- B(D);
- Vars
- S(h);N_GUARD,XB(D)::QAB1(B)
- B(f);N_GUARD::S(F),XB(f)
- S(h);N_GUARD::QAB1(B),XS(h)
- S(h);N_GUARD::QAB1(B)
- P(e);N_GUARD::QAB1(B)
- Refutation
- P(c);
- Try
- B(D);
- Vars
- S(h);N_GUARD::QAB1(B)
- P(g);N_GUARD::S(F)
- B(f);N_GUARD::S(F),XB(f)
- S(h);N_GUARD::QAB1(B),XS(h)
- P(e);N_GUARD::QAB1(B)
- Refutation
- P(c);
- Try
- B(D);
- Vars
- S(h);N_GUARD::QAB1(B)
- P(g);N_GUARD::S(F)
- B(f);N_GUARD::S(F),XB(f)
- S(h);N_GUARD::QAB1(B),XS(h)
- P(e);N_GUARD::QAB1(B)
- Refutation
- P(c);
- Try
- Q(B);
- Vars
- S(h);N_GUARD::QAB1(B),XS(h)
- B(f);SBLOCK::QAB(B)
- B(f);N_GUARD::S(F),XB(f)
- S(h);N_GUARD::QAB1(B)
- P(e);N_GUARD::QAB1(B)
- P(g);N_GUARD::S(F)
- Refutation
- P(b);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(g);::QAR1(B),XP(g)
- Refutation
- P(g);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(h);N_GUARD::QAB1(B),XS(h)
- S(h);N_GUARD::QAB1(B)
- Refutation
- P(g);
- Try
- Actual
- Q(B);
- Vars
- S(h);N_GUARD::QAB1(B),XS(h)
- B(f);SBLOCK::QAB(B)
- B(f);N_GUARD::S(F),XB(f)
- S(h);N_GUARD::QAB1(B)
- P(e);N_GUARD::QAB1(B)
- P(g);OGATE::QAR(B),XP(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).