MESON Chess Problem Database
Problem Display
PID: 161328 (7K/p5Q1/4N3/rn3p1p/1p2kN2/3n1r2/2BP4/8 w - - 0 1)
Planck, Charles
Auban Citizen, 1886
#2
6 + 9
| 15351 | SCPF/BCPS Black Books | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sa3
- Tries
- 1.Sg6?
- threat
- 2.Qe5#
- 2.Qb7#
- 1...Rf1
- 2.Qb7#
- 1...Rf2
- 2.Qb7#
- 1...Re3
- 2.Qb7#
- 1...Rg3
- 2.Qb7#
- 1...Rh3
- 2.Qb7#
- 1...Rf4
- 2.Qb7#
- 1...f4
- 2.Qe5#
- 1...Ra6
- 2.Qe5#
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Kd5!
- threat
- 1.Sg6?
- Keys
- 1.Bb3!
- threat
- 2.Bd5#
- 1...Rxf4
- 2.Sg5#
- 1...Sxf4
- 2.Sc5#
- 1...Sa3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- threat
- 1.Bb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(f);N_GUARD::QAR1(E)
- S(f);N_GUARD::QAR1(E),XS(f)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(b);::QAB(E)
- P(g);::QAR1(E)
- R(e);::QAR1(E)
- S(f);N_GUARD::QAR1(E)
- S(f);N_GUARD::QAR1(E),XS(f)
- Refutation
- K(d);N_SPINS(a),S_FLIGHT
- Try
- Actual
- B(A);N_PINS(a)
- Threat
- B(A)
- Vars
- R(b);SBLOCK,XS(C)::S(D)
- S(a);N_GUARD,SBLOCK,XS(C)::S(D)
- S(f);N_GUARD::QAR1(E)
- S(f);N_GUARD::QAR1(E),XS(f)
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).