MESON Chess Problem Database
Problem Display
PID: 197653 (4RB2/2K5/B1N1Pp1p/3k1N2/6nr/1RP1nP2/7r/6b1 w - - 0 1)
Einat, Paz
The Problemist, 2019
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.c4#
- 1...Sf1
- 2.c4#
- 1...Sc2
- 2.c4#
- 1...Sg2
- 2.c4#
- 1...Sxf5
- 2.c4#
- 1...Sf2
- 2.Sxe3#
- 1...Sd1
- Tries
- 1.Sxe3+?
- 1...Bxe3
- 2.c4#
- 1...Sxe3!
- 1...Bxe3
- 1.Bd3?
- threat
- 2.Rb5#
- 1...Sxf5
- 2.c4#
- 1...Sd1
- 2.c4#
- 1...Sf1
- 2.c4#
- 1...Sc2
- 2.c4#
- 1...Sg2
- 2.c4#
- 1...Sc4
- 2.Be4#
- 1...Rb2!
- threat
- 1.Bd6?
- threat
- 2.Sb4#
- 1...Sc2
- 2.c4#
- 1...Sf2
- 2.Sxe3#
- 1...Se5!
- threat
- 1.Sxe3+?
- Keys
- 1.Sfd4!
- threat
- 2.Rd8#
- 1...Sc4
- 2.Rb5#
- 1...Sf5
- 2.c4#
- 1...Se5
- 2.Sb4#
- threat
- 1.Sfd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- S(c);N_GUARD::P(B)
- S(c);N_GUARD,XS(D)::P(B)
- S(d);N_GUARD,S_CUTB(a)::S(D),XS(c)
- Tries
- Try
- S(D);CHECK,XS(c)
- Vars
- B(a);XS(D)::P(B)
- Refutation
- S(d);XS(D)
- Try
- B(E);
- Threat
- R(A)
- Vars
- S(c);N_GUARD,XS(D)::P(B)
- S(c);N_GUARD::P(B)
- S(c);SBLOCK::B(E)
- Refutation
- R(b);
- Try
- B(J);
- Threat
- S(F)
- Vars
- S(c);N_GUARD::P(B)
- S(d);N_GUARD,S_CUTB(a)::S(D),XS(c)
- Refutation
- S(d);
- Try
- Actual
- S(D);
- Threat
- R(I)
- Vars
- S(c);SBLOCK::R(A)
- S(c);N_GUARD::P(B)
- S(d);SBLOCK::S(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).