MESON Chess Problem Database

Problem Display
PID: 264371 (1N1Q4/6pK/4p1N1/8/2p1k3/1Rb2p1B/3rpP2/3R4 w - - 0 1)

Colaneri, Bruno

Coello-75 JT (Problemas), 2017

1N1Q4/6pK/4p1N1/8/2p1k3/1Rb2p1B/3rpP2/3R4

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Qh4#
    • 1...Rb2
      • 2.Qh4#
    • 1...Rc2
      • 2.Qh4#
    • 1...Rd5
      • 2.Qh4#
    • 1...Rd6
      • 2.Qh4#
    • 1...Rd7
      • 2.Qh4#
    • 1...Ba1
      • 2.Re3#
    • 1...Bb2
      • 2.Re3#
    • 1...Bb4
      • 2.Re3#
    • 1...Ba5
      • 2.Re3#
    • 1...Be5
      • 2.Re3#
    • 1...Bf6
      • 2.Re3#
  • Tries
    • 1.Rxd2?
      • threat
        • 2.Qh4#
      • 1...Bd4
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Be5
        • 2.Re3#
      • 1...Bf6
        • 2.Re3#
      • 1...Bxd2!
  • Keys
    • 1.Sa6!
      • threat
        • 2.Sc5#
      • 1...Rd5
        • 2.Qh4#
      • 1...Bb4
        • 2.Re3#
      • 1...Bd4
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • R(a);::QAR(H)
    • B(c);OGATE::R1(C)
  • Tries
    • Try
      • R(A);XR(a)
      • Threat
        • QAR(H)
      • Vars
        • B(c);OGATE::R1(C)
      • Refutation
        • B(c);XR(A)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • R(a);::QAR(H)
      • B(c);OGATE::R1(C)
      • B(c);SBLOCK,S_CUTR(a)::QAB(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).