MESON Chess Problem Database

Problem Display
PID: 178591 (8/2pK4/4Bp2/RnN2n1R/1p1kPB2/2q1p3/1PQ2N2/1r1b4 w - - 0 1)

Huguenin, Orlando Carlomagno

Boletim da UBP, 1981

8/2pK4/4Bp2/RnN2n1R/1p1kPB2/2q1p3/1PQ2N2/1r1b4

#2

10 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Bxe3#
    • 1...Qe1
      • 2.Sb3#
      • 2.Qc4#
    • 1...Qxb2
      • 2.Qc4#
    • 1...Qd2
      • 2.Sb3#
      • 2.Qc4#
    • 1...Qa3
      • 2.Qc4#
    • 1...Qb3
      • 2.Sxb3#
    • 1...Qc4
      • 2.Qxc4#
    • 1...Qxc5
      • 2.Qd3#
  • Tries
    • 1.Ba2?
      • threat
        • 2.Se6#
      • 1...Kxc5
        • 2.Bxe3#
      • 1...Qxc5
        • 2.Qd3#
      • 1...Qb3
        • 2.Sxb3#
      • 1...Qc4
        • 2.Qxc4#
      • 1...Sg7
        • 2.Rd5#
      • 1...b3!
    • 1.Qd3+?
      • 1...Kxc5
        • 2.Rxb5#
      • 1...Qxd3!
    • 1.bxc3+?
      • 1...Kxc5
        • 2.Bxe3#
      • 1...Sxc3
        • 2.Qd3#
      • 1...bxc3!
  • Keys
    • 1.Bb3!
      • threat
        • 2.Se6#
      • 1...Kxc5
        • 2.Bxe3#
      • 1...Qxb3
        • 2.Sxb3#
      • 1...Qxc5
        • 2.Qd3#
      • 1...Qc4
        • 2.Qxc4#
      • 1...Sg7
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(f);P_SPINQ(c),P_SPINS(g),S_FLIGHT,XS(G)::B(E),XP(d)
    • Q(c);OGATE,XP(A)::QAR1(B)
    • Q(c);OGATE::QAR1(B)
    • Q(c);N_GUARD::S(G),XQ(c)
    • Q(c);OGATE::QAR1(B),XQ(c)
    • Q(c);N_GUARD,SBLOCK,XS(G)::QAR1(B)
  • Tries
    • Try
      • B(I);
      • Threat
        • S(G)
      • Vars
        • K(f);P_SPINQ(c),P_SPINS(g),S_FLIGHT,XS(G)::B(E),XP(d)
        • Q(c);N_GUARD,SBLOCK,XS(G)::QAR1(B)
        • Q(c);N_GUARD::S(G),XQ(c)
        • Q(c);OGATE::QAR1(B),XQ(c)
        • S(h);OGATE::R1(H)
      • Refutation
        • P(e);
    • Try
      • Q(B);CHECK
      • Vars
        • K(f);P_SPINS(g),S_FLIGHT,XS(G)::R1(F),XS(g)
      • Refutation
        • Q(c);XQ(B)
    • Try
      • P(A);CHECK,XQ(c)
      • Vars
        • K(f);P_SPINS(g),S_FLIGHT,XS(G)::B(E),XP(d)
        • S(g);XP(A)::QAR1(B)
      • Refutation
        • P(e);XP(A)
  • Actual
    • B(I);
    • Threat
      • S(G)
    • Vars
      • K(f);P_SPINQ(c),P_SPINS(g),S_FLIGHT,XS(G)::B(E),XP(d)
      • Q(c);XB(I)::S(G),XQ(c)
      • Q(c);N_GUARD,SBLOCK,XS(G)::QAR1(B)
      • Q(c);OGATE::QAR1(B),XQ(c)
      • S(h);OGATE::R1(H)
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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).