MESON Chess Problem Database

Problem Display
PID: 241077 (8/2p3p1/1bK5/B1P5/1p5N/p2P2p1/Qq3kN1/R4B1R w - - 0 1)

Colaneri, Bruno

Best Problems, 2021

8/2p3p1/1bK5/B1P5/1p5N/p2P2p1/Qq3kN1/R4B1R

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qxa2
      • 2.Rxa2#
    • 1...Qc2
      • 2.Qf7#
      • 2.Qxc2#
    • 1...Qd2
      • 2.Qxd2#
    • 1...Qe2
      • 2.Qxe2#
    • 1...b3
      • 2.Be1#
  • Tries
    • 1.Bxb4?
      • threat
        • 2.Be1#
      • 1...Qd2
        • 2.Qxd2#
      • 1...Ba5!
  • Keys
    • 1.d4!
      • threat
        • 2.Qf7#
      • 1...Qxa2
        • 2.Rxa2#
      • 1...Qc2
        • 2.Qxc2#
      • 1...Qd2
        • 2.Qxd2#
      • 1...Qe2
        • 2.Qxe2#
      • 1...b3
        • 2.Be1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(a);N_SPINQ(a),OGATE,XQ(D)::R(A),XQ(a)
    • Q(a);OGATE::QAR2(D),XQ(a)
    • Q(a);OGATE::QAR1(D),XQ(a)
    • P(e);OGATE::B(H)
  • Tries
    • Try
      • B(H);XP(e)
      • Threat
        • B(H)
      • Vars
        • Q(a);OGATE::QAR2(D),XQ(a)
      • Refutation
        • B(f);
  • Actual
    • P(F);
    • Threat
      • QAR(D)
    • Vars
      • Q(a);N_SPINQ(a),OGATE,XQ(D)::R(A),XQ(a)
      • Q(a);OGATE,P_PINP(I)::QAR(D),XQ(a)
      • Q(a);OGATE::QAR2(D),XQ(a)
      • Q(a);OGATE::QAR1(D),XQ(a)
      • P(e);OGATE::B(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).