MESON Chess Problem Database

Problem Display
PID: 269751 (8/8/8/B7/4NN1p/7B/KQ1p2q1/2b2kr1 w - - 0 1)

Chicco, Adriano

Falkirk Herald, 1933

(First published on Wed Feb 8 1933)

8/8/8/B7/4NN1p/7B/KQ1p2q1/2b2kr1

#2

6 + 6

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Ke1
      • 2.Qxc1#
    • 1...d1Q
      • 2.Qf2#
    • 1...d1S
      • 2.Qe2#
    • 1...d1B
      • 2.Qf2#
    • 1...d1R
      • 2.Qe2#
      • 2.Qf2#
  • Tries
    • 1.Bxg2+?
      • 1...Ke1
        • 2.Qxc1#
      • 1...Rxg2!
    • 1.Qxd2?
      • threat
        • 2.Qe2#
        • 2.Qf2#
      • 1...Rh1
        • 2.Qf2#
        • 2.Qxg2#
      • 1...Bxd2!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qd1#
      • 1...Ke1
        • 2.Qxc1#
      • 1...d1Q
        • 2.Qf2#
      • 1...d1S
        • 2.Qe2#
      • 1...d1B
        • 2.Qf2#
      • 1...d1R
        • 2.Qe2#
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINQ(e),P-FLIGHT,P_SPINP(d)::QAR2(B),XB(a)
    • P(d);OGATE,P_PINQ(B)::QAR1(B)
    • P(d);OGATE,P_PINQ(B)::QAB1(B)
  • Tries
    • Try
      • B(C);CHECK,XQ(e)
      • Vars
        • K(b);P-FLIGHT,P_SPINP(d)::QAR2(B),XB(a)
      • Refutation
        • R(c);XB(C)
    • Try
      • Q(B);P_SPINQ(B),XP(d)
      • Threat
        • DUALS(2)
      • Refutation
        • B(a);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAR2(B)
    • Vars
      • K(b);N_SPINQ(e),P-FLIGHT,P_SPINP(d)::QAR2(B),XB(a)
      • P(d);OGATE,P_PINQ(B)::QAR1(B)
      • P(d);OGATE,P_PINQ(B)::QAB1(B)
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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).