MESON Chess Problem Database

Problem Display
PID: 180752 (1n1q1b2/3N1ppB/1p2p1b1/1QPk2p1/2p4R/3p4/KR3Nr1/B7 w - - 0 1)

Riczu, L?

Boletim da UBP, 1989

1n1q1b2/3N1ppB/1p2p1b1/1QPk2p1/2p4R/3p4/KR3Nr1/B7

#2

9 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Sc6
      • 2.Qxc4#
  • Tries
    • 1.cxb6+?
      • 1...Bc5
        • 2.Qxc5#
      • 1...Kd6!
  • Keys
    • 1.Re2!
      • threat
        • 2.Re5#
        • 2.Rd4#
      • 1...Rxf2
        • 2.Rd4#
      • 1...Bxc5
        • 2.Rd4#
      • 1...Sxd7
        • 2.Rd4#
      • 1...dxe2
        • 2.Rd4#
      • 1...gxh4
        • 2.Re5#
      • 1...bxc5
        • 2.Rd4#
      • 1...e5
        • 2.Rxe5#
      • 1...Qf6
        • 2.Sxb6#
      • 1...Qc7
        • 2.Rd4#
      • 1...Rg4
        • 2.Re5#
      • 1...Be4
        • 2.Bxe4#
      • 1...Bd6
        • 2.Rd4#
      • 1...Sc6
        • 2.Qxc4#
      • 1...c3
        • 2.Re5#
      • 1...g4
        • 2.Re5#
      • 1...f6
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
    • S(k);SBLOCK::QAB1(F),XP(c)
  • Tries
    • Try
      • P(G);CHECK,XP(f)
      • Vars
        • B(m);N_GUARD,P_SPINB(m)::QAR1(F),XB(m)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • R(C);
    • Threat
      • DUALS(2)
    • Vars
      • R(a);P_PINR(C),XS(D)::R1(E)
      • B(m);P_SPINB(m),XP(G)::R1(E)
      • S(k);XS(H)::R1(E)
      • P(b);XR(C)::R1(E)
      • P(e);XR(E)::R1(C)
      • P(f);P_SPINP(f),XP(G)::R1(E)
      • P(g);::R1(C),XP(g)
      • Q(l);N_GUARD::S(H),XP(f)
      • Q(l);::R1(E)
      • R(a);::R1(C)
      • B(h);OGATE::B(I),XB(h)
      • B(m);::R1(E)
      • S(k);SBLOCK::QAB1(F),XP(c)
      • P(c);::R1(C)
      • P(e);::R1(C)
      • P(i);::R1(E)
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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).