MESON Chess Problem Database

Problem Display
PID: 79529 (8/8/8/3K4/3BP3/3k4/3p4/3R3Q w - - 0 1)

Caburis, L

Deutsche Zeitung im Ostland, 1944

8/8/8/3K4/3BP3/3k4/3p4/3R3Q

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Ke2
      • 2.Qf1#
  • Tries
    • 1.Kc5?
      • 1...Ke2
        • 2.Qf1#
      • 1...Kc2!
    • 1.Rb1?
      • 1...Ke2
        • 2.Qf1#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...Kc2!
    • 1.Qg1?
      • 1...Ke2
        • 2.Qf1#
      • 1...Kc2!
    • 1.Qh3+?
      • 1...Ke2
        • 2.Qf1#
      • 1...Kc2!
    • 1.e5?
      • threat
        • 2.Qe4#
      • 1...Ke2
        • 2.Qf1#
      • 1...Kc2!
  • Keys
    • 1.Ra1!
      • 1...Kc2
        • 2.Qb1#
      • 1...Ke2
        • 2.Qf1#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINP(a),S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • R(A);N_PINP(a)
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
        • P(a);OGATEB::QAR2(B),XQ(a)
        • P(a);OGATEB::QAR2(B),XS(a)
        • P(a);OGATEB::QAR2(B),XB(a)
        • P(a);OGATEB::QAR2(B),XR(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • P(D);
      • Threat
        • QAB1(B)
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
  • Actual
    • R(A);N_PINP(a)
    • Vars
      • K(b);S_FLIGHT::QAB1(B)
      • P(a);OGATEB::QAR2(B),XQ(a)
      • P(a);OGATEB::QAR2(B),XS(a)
      • P(a);OGATEB::QAR2(B),XB(a)
      • P(a);OGATEB::QAR2(B),XR(a)
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).