MESON Chess Problem Database

Problem Display
PID: 145194 (q2Q1N2/3Np3/3k4/r2bR1K1/4P3/8/8/6B1 w - - 0 1)

Cristoffanini, Guido

2nd Prize, Falkirk Herald (Meredith Ty.), 1927

q2Q1N2/3Np3/3k4/r2bR1K1/4P3/8/8/6B1

#2

7 + 5

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qb6#
  • Tries
    • 1.Sf6+?
      • 1...Kxe5
        • 2.Qc7#
      • 1...Kc6
        • 2.Qb6#
        • 2.Qd7#
      • 1...Qxd8!
    • 1.Bc5+?
      • 1...Kc6
        • 2.Qb6#
      • 1...Rxc5!
    • 1.Qb8+?
      • 1...Kc6
        • 2.Qb6#
      • 1...Qxb8!
  • Keys
    • 1.Bh2!
      • threat
        • 2.Re6#
      • 1...Kc6
        • 2.Qb6#
      • 1...Bxe4
        • 2.Sb8#
      • 1...Ba2
        • 2.Sb8#
      • 1...Bb3
        • 2.Sb8#
      • 1...Bc4
        • 2.Sb8#
      • 1...Bc6
        • 2.Rd5#
      • 1...Be6
        • 2.Rc5#
      • 1...Bb7
        • 2.Sb8#
      • 1...Bf7
        • 2.Sb8#
      • 1...Bg8
        • 2.Sb8#
      • 1...e6
        • 2.Rxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR1(F)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(c);S_FLIGHT,XR(C)::QAB(F)
      • Refutation
        • Q(e);XQ(F)
    • Try
      • B(A);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(F)
      • Refutation
        • R(a);XB(A)
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(F)
      • Refutation
        • Q(e);XQ(F)
  • Actual
    • B(A);
    • Threat
      • B(A)+R(C),DCHECK
    • Vars
      • K(c);P-FLIGHT::QAR1(F)
      • B(b);P_PINR(C),XP(B)::QAR(F)+S(E)
      • B(b);P_PINR(C)::QAR(F)+S(E)
      • B(b);P_PINR(C),SBLOCK::B(A)+R(C),DCHECK
      • B(b);OGATE,P_PINR(C)::B(A)+R(C)
      • P(d);::B(A)+R(C),DCHECK,XP(d)
HTML5 logo

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).