MESON Chess Problem Database
Problem Display
PID: 210161 (2R2B2/N7/8/R2Ppp2/qp1k4/b2Pp3/BnP1PN2/K7 w - - 0 1)
Coello Alonso, Jose Antonio
BCPS Website, 2020
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Qxc2
- 2.Sb5#
- 1...Qb5
- 2.Sxb5#
- 1...Sd1
- 2.Rc4#
- 1...Sxd3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...b3
- 2.c3#
- 1...e4
- 2.Bg7#
- 1...Qxc2
- Tries
- 1.Se4?
- threat
- 2.Bc5#
- 1...Qxc2
- 2.Sb5#
- 1...Qxa5
- 2.Sc6#
- 1...Sxd3
- 2.Rc4#
- 1...Qb3
- 2.Sc6#
- 1...Qb5
- 2.Sxb5#
- 1...Qc6
- 2.Sxc6#
- 1...Sc4
- 2.Rxc4#
- 1...b3
- 2.c3#
- 1...fxe4!
- threat
- 1.Se4?
- Keys
- 1.Sd1!
- threat
- 2.Bc5#
- 1...Qxc2
- 2.Sb5#
- 1...Qxa5
- 2.Sc6#
- 1...Sxd1
- 2.Rc4#
- 1...Sxd3
- 2.Rc4#
- 1...e4
- 2.Bg7#
- 1...Qb3
- 2.Sc6#
- 1...Qb5
- 2.Sxb5#
- 1...Qc6
- 2.Sxc6#
- 1...Sc4
- 2.Rxc4#
- 1...b3
- 2.c3#
- threat
- 1.Sd1!
This is a version of 210160
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(d);N_GUARD,XP(C)::S(I)
- Q(d);N_GUARD::S(I),XQ(d)
- S(a);N_GUARD::R1(J)
- S(a);N_GUARD,XP(F)::R1(J)
- S(a);N_GUARD::R1(J),XS(a)
- P(e);N_GUARD::P(C)
- P(g);OGATEB::B(K)
- Tries
- Try
- S(E);
- Threat
- B(K)
- Vars
- Q(d);N_GUARD,XP(C)::S(I)
- Q(d);N_GUARD,XR(G)::S(I)
- S(a);N_GUARD,XP(F)::R1(J)
- Q(d);N_GUARD::S(I)
- Q(d);N_GUARD::S(I),XQ(d)
- S(a);N_GUARD::R1(J),XS(a)
- P(e);N_GUARD::P(C)
- Refutation
- P(h);XS(E)
- Try
- Actual
- S(E);
- Threat
- B(K)
- Vars
- Q(d);N_GUARD,XP(C)::S(I)
- Q(d);N_GUARD,XR(G)::S(I)
- S(a);N_GUARD,XS(E)::R1(J)
- S(a);N_GUARD,XP(F)::R1(J)
- P(g);OGATEB::B(K)
- Q(d);N_GUARD::S(I)
- Q(d);N_GUARD::S(I),XQ(d)
- S(a);N_GUARD::R1(J),XS(a)
- P(e);N_GUARD::P(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).