MESON Chess Problem Database
Problem Display
PID: 81146 (7q/6n1/4p3/1Pbk1p2/5Bp1/1p2P3/1N1NKP2/Q7 w - - 0 1)
Macleod, Norman Alasdair
Christian Science Monitor, 1951
#2
8 + 8
| 6455 | The Chessboard Adventures of Norman Macleod | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Qxh1#
- 2.Qa8#
- 1...Qh2
- 2.Qa8#
- 1...Qh3
- 2.Qa8#
- 1...Qh4
- 2.Qa8#
- 1...Qh5
- 2.Qa8#
- 1...Qh6
- 2.Qa8#
- 1...Qh7
- 2.Qa8#
- 1...Qa8
- 2.Qh1#
- 2.Qxa8#
- 1...Qb8
- 2.Qh1#
- 1...Qc8
- 2.Qh1#
- 1...Qd8
- 2.Qh1#
- 1...Qe8
- 2.Qh1#
- 1...Qf8
- 2.Qh1#
- 1...Qg8
- 2.Qh1#
- 1...Sh5
- 2.Qh1#
- 1...Se8
- 2.Qa8#
- 1...Qh1
- Tries
- 1.Sd1?
- threat
- 2.Sc3#
- 2.Qe5#
- 1...Bxe3
- 2.Qe5#
- 1...Ba3
- 2.Qd4#
- 2.Qe5#
- 1...Bb4
- 2.Qd4#
- 2.Qe5#
- 1...Bd4
- 2.Qxd4#
- 1...Bb6
- 2.Qe5#
- 1...Bd6
- 2.Qd4#
- 1...Ba7
- 2.Qe5#
- 1...Be7
- 2.Qd4#
- 2.Qe5#
- 1...Bf8
- 2.Qd4#
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Qb8
- 2.Sc3#
- 1...Se8
- 2.Qa8#
- 1...b2
- 2.Sc3#
- 2.Qa2#
- 1...Sh5!
- threat
- 1.Sa4?
- threat
- 2.Sc3#
- 2.Qe5#
- 1...Bxe3
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Qb8
- 2.Sc3#
- 2.Qh1#
- 1...Ba3
- 2.Qd4#
- 2.Qe5#
- 1...Bb4
- 2.Qd4#
- 2.Qe5#
- 1...Bd4
- 2.Qxd4#
- 1...Bb6
- 2.Qe5#
- 1...Bd6
- 2.Qd4#
- 1...Ba7
- 2.Qe5#
- 1...Be7
- 2.Qd4#
- 2.Qe5#
- 1...Bf8
- 2.Qd4#
- 2.Qe5#
- 1...Sh5
- 2.Qh1#
- 1...b2
- 2.Sc3#
- 2.Qa2#
- 1...Se8!
- threat
- 1.Sbc4?
- threat
- 2.Qe5#
- 1...Bd4
- 2.Qxd4#
- 1...Bd6
- 2.Qd4#
- 1...e5
- 2.Qxe5#
- 1...Qb8
- 2.Qh1#
- 1...Sh5
- 2.Qh1#
- 1...Se8
- 2.Qa8#
- 1...b2!
- threat
- 1.Sd1?
- Keys
- 1.Sd3!
- threat
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Qb8
- 2.Qh1#
- 1...Bd4
- 2.Qxd4#
- 1...Bd6
- 2.Qd4#
- 1...Sh5
- 2.Qh1#
- 1...Se8
- 2.Qa8#
- 1...b2
- 2.Qa2#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 11
- Sets
- Q(h);N_GUARD,P_PINP(E)::QAB(A)
- Q(h);N_GUARD::QAB(A)
- S(g);S_CUTQ(h)::QAB(A)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- B(c);XP(F)::QAR1(A)
- B(c);N_GUARD::QAR1(A),XB(c)
- B(c);::QAR1(A)
- B(c);N_GUARD::QAR1(A)
- P(f);::QAR1(A),XP(f)
- Q(h);::S(B)
- S(g);S_CUTQ(h)::QAB(A)
- Refutation
- S(g);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- B(c);XP(F)::QAR1(A)
- P(f);::QAR1(A),XP(f)
- B(c);N_GUARD::QAR1(A),XB(c)
- B(c);::QAR1(A)
- B(c);N_GUARD::QAR1(A)
- S(g);S_CUTQ(h)::QAB(A)
- Refutation
- S(g);
- Try
- S(B);
- Threat
- QAR1(A)
- Vars
- B(c);N_GUARD::QAR1(A),XB(c)
- B(c);N_GUARD::QAR1(A)
- P(f);::QAR1(A),XP(f)
- Q(h);N_GUARD::QAB(A)
- S(g);S_CUTQ(h)::QAB(A)
- Refutation
- P(a);
- Try
- Actual
- S(B);
- Threat
- QAR1(A)
- Vars
- P(f);::QAR1(A),XP(f)
- Q(h);N_GUARD::QAB(A)
- B(c);N_GUARD::QAR1(A),XB(c)
- B(c);N_GUARD::QAR1(A)
- S(g);S_CUTQ(h)::QAB(A)
- P(a);OGATEB::QAB(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).