MESON Chess Problem Database
Problem Display
PID: 124395 (3nn3/8/1p3Np1/1b1pk1Np/3p4/B4R2/7P/1QK5 w - - 0 1)
Sim, Malcolm
La Presse, 1944
#2
7 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Sd7#
- 1...Be2
- 2.Sd7#
- 1...Bd3
- 2.Sd7#
- 1...Bc4
- 2.Sd7#
- 1...Ba6
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 1...Sc6
- 2.Sd7#
- 1...Se6
- 2.Sf7#
- 1...h4
- 2.Sg4#
- 1...Bf1
- Tries
- 1.Qxb5?
- threat
- 2.Sd7#
- 2.Qe2#
- 2.Qxd5#
- 1...d3
- 2.Qxd5#
- 1...Sd6
- 2.Sd7#
- 2.Qxd5#
- 1...Sc7
- 2.Sd7#
- 2.Qe2#
- 1...Sxf6!
- threat
- 1.Qxb5?
- Keys
- 1.Qb4!
- 1...Sxf6
- 2.Qd6#
- 1...Bf1
- 2.Sd7#
- 1...Be2
- 2.Sd7#
- 1...Bd3
- 2.Sd7#
- 1...Ba4
- 2.Qe1#
- 1...Bc4
- 2.Sd7#
- 1...Ba6
- 2.Sd7#
- 1...Bc6
- 2.Qe1#
- 1...Bd7
- 2.Sxd7#
- 2.Qe1#
- 1...Sc6
- 2.Sd7#
- 1...Se6
- 2.Sf7#
- 1...Sb7
- 2.Qe7#
- 1...Sf7
- 2.Qe7#
- 1...Sd6
- 2.Qxd6#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...d3
- 2.Qf4#
- 1...h4
- 2.Sg4#
- 1...Sxf6
- 1.Qb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 1
- Sets
- B(b);N_GUARD::S(G)
- B(b);N_GUARD::S(G),XB(b)
- S(h);S_CUTB(b)::S(G)
- S(h);N_GUARD,SBLOCK::S(F)
- P(e);N_GUARD::S(G)
- Tries
- Try
- Q(A);P_PINP(c),XB(b)
- Threat
- DUALS(3)
- Vars
- P(a);::QAR1(A),XP(c)
- Refutation
- S(i);XS(G)
- Try
- Actual
- Q(A);
- Vars
- S(i);N_GUARD,XS(G)::QAB1(A)
- B(b);N_GUARD::S(G)
- B(b);N_GUARD::QAR(A)
- S(h);S_CUTB(b)::S(G)
- S(h);N_GUARD,SBLOCK::S(F)
- S(h);N_GUARD::QAR2(A)
- S(i);N_GUARD::QAB1(A),XS(i)
- S(i);N_GUARD::QAB1(A)
- P(a);OGATE::QAB1(A)
- P(e);N_GUARD::S(G)
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).