MESON Chess Problem Database
Problem Display
PID: 265269 (2N2Q2/2N1np2/2p2P2/P1kn4/7R/1pp1P3/P7/3R1KB1 w - - 0 1)
Parcerisa, Jose Antonio Lopez
Coello-75 JT (Problemas), 2017
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Sxe3+
- 2.Bxe3#
- 1...Sb4
- 2.Qxe7#
- 1...Sb6
- 2.Qxe7#
- 1...Sxf6
- 2.Qxe7#
- 1...Sxe3+
- Tries
- 1.axb3?
- threat
- 2.Rc4#
- 1...Sxe3+
- 2.Bxe3#
- 1...Sf4
- 2.Qxe7#
- 1...Sb6
- 2.Qxe7#
- 2.b4#
- 1...Sxc7!
- threat
- 1.a4?
- threat
- 2.Sa6#
- 1...Sxe3+
- 2.Bxe3#
- 1...Sxc7
- 2.Qxe7#
- 1...Sb4
- 2.Qxe7#
- 1...Sf4!
- threat
- 1.axb3?
- Keys
- 1.Sd6!
- threat
- 2.Sb7#
- 1...Sxe3+
- 2.Bxe3#
- 1...Kxd6
- 2.Qxe7#
- 1...Sxc7
- 2.Rc4#
- 1...Sf4
- 2.Sa6#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- S(d);CHECK,N_SPINS(f),OGATE,P_SPINS(d),XP(E)::B(C),XS(d)
- S(d);N_GUARD::QAB(K),XS(f)
- S(d);N_GUARD,XP(H)::QAB(K),XS(f)
- Tries
- Try
- P(D);XP(a)
- Threat
- R1(F)
- Vars
- S(d);CHECK,N_SPINS(f),OGATE,P_SPINS(d),XP(E)::B(C),XS(d)
- S(d);N_GUARD::QAB(K),XS(f)
- Refutation
- S(d);XS(I)
- Try
- P(D);
- Threat
- S(I)
- Vars
- S(d);CHECK,N_SPINS(f),OGATE,P_SPINS(d),XP(E)::B(C),XS(d)
- S(d);N_GUARD,XS(I)::QAB(K),XS(f)
- S(d);N_GUARD::QAB(K),XS(f)
- Refutation
- S(d);
- Try
- Actual
- S(J);N_PINS(f)
- Threat
- S(J)
- Vars
- S(d);CHECK,OGATE,P_SPINS(d),XP(E)::B(C),XS(d)
- K(c);OGATEB,P_SPINS(d),S_FLIGHT,XS(J)::QAB1(K),XS(f)
- S(d);XS(I)::R1(F)
- S(d);::S(I)
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).