MESON Chess Problem Database

Problem Display
PID: 77453 (8/4K1P1/4B3/4k3/4r3/4R3/8/6Q1 w - - 0 1)

Abdullayev, Elmar

Sahmat besteciliyi, 2006

8/4K1P1/4B3/4k3/4r3/4R3/8/6Q1

#2

5 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qg3#
    • 1...Rxe3
      • 2.Qxe3#
  • Tries
    • 1.Qf2?
      • threat
        • 2.Qf6#
      • 1...Rxe3
        • 2.Qxe3#
      • 1...Kd4!
    • 1.Qc1?
      • 1...Kd4
        • 2.Qc3#
      • 1...Rxe3
        • 2.Qxe3#
      • 1...Kf4!
    • 1.g8Q?
      • 1...Kf4
        • 2.Q1g3#
        • 2.Q1g5#
        • 2.Q8g3#
        • 2.Q8g5#
      • 1...Rxe3
        • 2.Qxe3#
      • 1...Kd4!
    • 1.g8S?
      • 1...Kf4
        • 2.Qg3#
      • 1...Rxe3
        • 2.Qxe3#
      • 1...Kd4!
    • 1.g8B?
      • 1...Kf4
        • 2.Qg3#
      • 1...Rxe3
        • 2.Qxe3#
      • 1...Kd4!
    • 1.g8R?
      • 1...Kf4
        • 2.Qg3#
        • 2.Qg5#
      • 1...Rxe3
        • 2.Qxe3#
      • 1...Kd4!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Rxe4#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Rxe3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINR(a),P_PINB(C),S_FLIGHT::QAB1(A)
    • R(a);N_SPINR(a),OGATE,XR(B)::QAR2(A),XR(a)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • R(a);N_SPINR(a),OGATE,XR(B)::QAR2(A),XR(a)
      • Refutation
        • K(b);N_SPINR(a),P_PINB(C),S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);N_SPINR(a),P_PINB(C),S_FLIGHT::QAB1(A)
        • R(a);N_SPINR(a),OGATE,XR(B)::QAR2(A),XR(a)
      • Refutation
        • K(b);N_SPINR(a),P_PINB(C),S_FLIGHT
    • Try
      • P(E);
      • Vars
        • R(a);N_SPINR(a),OGATE,XR(B)::QAR2(A),XR(a)
      • Refutation
        • K(b);N_SPINR(a),P_PINB(C),S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(b);N_SPINR(a),P_PINB(C),S_FLIGHT::QAB1(A)
        • R(a);N_SPINR(a),OGATE,XR(B)::QAR2(A),XR(a)
      • Refutation
        • K(b);N_SPINR(a),P_PINB(C),S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(b);N_SPINR(a),P_PINB(C),S_FLIGHT::QAB1(A)
        • R(a);N_SPINR(a),OGATE,XR(B)::QAR2(A),XR(a)
      • Refutation
        • K(b);N_SPINR(a),P_PINB(C),S_FLIGHT
    • Try
      • P(E);
      • Vars
        • R(a);N_SPINR(a),OGATE,XR(B)::QAR2(A),XR(a)
      • Refutation
        • K(b);N_SPINR(a),P_PINB(C),S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • R1(B),XR(a)
    • Vars
      • K(b);N_SPINR(a),P_PINB(C),S_FLIGHT::QAB1(A)
      • R(a);OGATE,XR(B)::QAR2(A),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).