MESON Chess Problem Database
Problem Display
PID: 9960 (n7/q5p1/2NP2R1/5k1P/5N2/4nK2/4P3/8 w - - 0 1)
Macleod, Norman Alasdair
3rd HM., BCPS Ring Ty., 1961
#2
7 + 5
| 938 | Sunday Times | 1961 |
| 3749 | FIDE Album (1959-1961) | 1966 |
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 6455 | The Chessboard Adventures of Norman Macleod | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sg4
- 2.e4#
- 1...Sd5
- 2.e4#
- 1...Sd1
- Tries
- 1.Sd3?
- 1...Qd4
- 2.Sxd4#
- 2.Se7#
- 1...Qc5
- 2.Se7#
- 1...Qb6
- 2.Se7#
- 1...Qb8
- 2.Sd4#
- 2.Se7#
- 1...Qa1
- 2.Se7#
- 1...Qa2
- 2.Sd4#
- 2.Se7#
- 1...Qa3
- 2.Sd4#
- 2.Se7#
- 1...Qa4
- 2.Se7#
- 1...Qa5
- 2.Sd4#
- 2.Se7#
- 1...Qa6
- 2.Sd4#
- 2.Se7#
- 1...Qc7
- 2.Sd4#
- 1...Qd7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 2.Sxe7#
- 1...Qf7
- 2.Sd4#
- 1...Sd1
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sg4
- 2.e4#
- 1...Sd5
- 2.e4#
- 1...Sb6
- 2.Sd4#
- 1...Sc7
- 2.Se7#
- 1...Qb7!
- 1...Qd4
- 1.Se6?
- 1...Qd4
- 2.Sexd4#
- 1...Qc5
- 2.Sxg7#
- 1...Qb6
- 2.Sxg7#
- 1...Qb8
- 2.Sed4#
- 2.Sxg7#
- 1...Qa2
- 2.Sed4#
- 2.Sxg7#
- 1...Qa3
- 2.Sed4#
- 2.Sxg7#
- 1...Qa4
- 2.Sxg7#
- 1...Qa5
- 2.Sed4#
- 2.Sxg7#
- 1...Qa6
- 2.Sed4#
- 2.Sxg7#
- 1...Qb7
- 2.Sd4#
- 1...Qc7
- 2.Sed4#
- 1...Qd7
- 2.Sed4#
- 1...Qe7
- 2.Sed4#
- 1...Qf7
- 2.Sed4#
- 1...Sd1
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sg4
- 2.e4#
- 1...Sd5
- 2.e4#
- 1...Sb6
- 2.Sed4#
- 1...Sc7
- 2.Sxg7#
- 1...Qa1!
- 1...Qd4
- 1.Sd3?
- Keys
- 1.Sd5!
- 1...Sxd5
- 2.e4#
- 1...Qd4
- 2.Sde7#
- 1...Qc5
- 2.Sde7#
- 1...Qb6
- 2.Sde7#
- 1...Qb8
- 2.Sxe3#
- 2.Sde7#
- 1...Qa1
- 2.Sxe3#
- 2.Sde7#
- 1...Qa2
- 2.Sxe3#
- 2.Sde7#
- 1...Qa3
- 2.Sde7#
- 1...Qa4
- 2.Sxe3#
- 2.Sde7#
- 1...Qa5
- 2.Sxe3#
- 2.Sde7#
- 1...Qa6
- 2.Sxe3#
- 2.Sde7#
- 1...Qb7
- 2.Sxe3#
- 1...Qc7
- 2.Sxe3#
- 1...Qd7
- 2.Sxe3#
- 1...Qe7
- 2.Sdxe7#
- 1...Qf7
- 2.Sxe3#
- 1...Sd1
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sg4
- 2.e4#
- 1...Sb6
- 2.Sxe3#
- 1...Sc7
- 2.Sde7#
- 1...Sxd5
- 1.Sd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- S(a);OGATE::P(A)
- Tries
- Try
- S(C);
- Vars
- Q(c);N_GUARD::S(E)
- S(a);OGATE::P(A)
- S(e);S_CUTQ(c)::S(E)
- Refutation
- Q(c);P_PINS(E)
- Try
- S(C);
- Vars
- Q(c);N_GUARD::S(C),XQ(c)
- Q(c);N_GUARD::S(C),XP(d)
- Q(c);N_GUARD,P_PINS(E)::S(C)
- Q(c);N_GUARD::S(C)
- S(a);OGATE::P(A)
- S(e);S_CUTQ(c)::S(C)
- S(e);S_CUTQ(c)::S(C),XP(d)
- Refutation
- Q(c);
- Try
- Actual
- S(C);
- Vars
- S(a);OGATE,XS(C)::P(A)
- Q(c);N_GUARD::S(C)
- Q(c);N_GUARD::S(C),XS(a)
- Q(c);N_GUARD::S(C),XQ(c)
- S(a);OGATE::P(A)
- S(e);S_CUTQ(c)::S(C),XS(a)
- S(e);S_CUTQ(c)::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).