MESON Chess Problem Database

Problem Display
PID: 207457 (8/8/5R1p/3pR2p/3P1K2/2N1N1p1/5kpp/2QBb2b w - - 0 1)

Cristoffanini, Guido

Il Problema, 1931

8/8/5R1p/3pR2p/3P1K2/2N1N1p1/5kpp/2QBb2b

#2

8 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qd2+?
      • 1...Kg1
        • 2.Qxe1#
      • 1...Bxd2!
  • Keys
    • 1.Bxh5!
      • 1...Kg1
        • 2.Qxe1#
      • 1...Bxc3
        • 2.Sg4#
      • 1...g1Q
        • 2.Scd1#
      • 1...g1S
        • 2.Scd1#
      • 1...g1B
        • 2.Scd1#
      • 1...g1R
        • 2.Scd1#
      • 1...Bd2
        • 2.Kg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR2(A),XB(a)
      • Refutation
        • B(a);P_PINS(D),XQ(A)
  • Actual
    • B(B);XP(h)
    • Vars
      • K(c);P_SPINB(a),S_FLIGHT::QAR2(A),XB(a)
      • B(a);XS(C)::S(D)
      • P(d);SBLOCK::S(C)
      • B(a);P_PINS(D)::R(H)+K(F)
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).