MESON Chess Problem Database

Problem Display
PID: 50972 (5K2/2PN4/2Rpk3/8/4B3/8/8/8 w - - 0 1)

Bajtay, Jozsef

Magyar Sakkvilag, 1932

5K2/2PN4/2Rpk3/8/4B3/8/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd7
      • 2.c8Q#
  • Tries
    • 1.Bb1?
      • 1...Kxd7
        • 2.c8Q#
      • 1...Kd5!
    • 1.Bh1?
      • 1...Kxd7
        • 2.c8Q#
      • 1...Kf5!
    • 1.Bc2?
      • 1...Kxd7
        • 2.c8Q#
      • 1...Kd5!
    • 1.Bg2?
      • 1...Kxd7
        • 2.c8Q#
      • 1...Kf5!
    • 1.Bd3?
      • 1...Kxd7
        • 2.c8Q#
      • 1...Kd5!
    • 1.Bf3?
      • 1...Kxd7
        • 2.c8Q#
      • 1...Kf5!
    • 1.Bg6?
      • 1...Kxd7
        • 2.c8Q#
      • 1...Kd5!
    • 1.Bh7?
      • 1...Kxd7
        • 2.c8Q#
      • 1...Kd5!
    • 1.Rc1?
      • 1...Kxd7
        • 2.Bf5#
        • 2.c8Q#
      • 1...d5!
    • 1.Rc2?
      • 1...Kxd7
        • 2.Bf5#
        • 2.c8Q#
      • 1...d5!
    • 1.Rc3?
      • 1...Kxd7
        • 2.Bf5#
        • 2.c8Q#
      • 1...d5!
    • 1.Rc4?
      • 1...Kxd7
        • 2.Bf5#
        • 2.c8Q#
      • 1...d5!
  • Keys
    • 1.c8R!
      • 1...Kxd7
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINP(a),S_FLIGHT,XS(D)::P=Q
  • Tries
    • Try
      • B(A);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • R(B);N_PINP(a)
      • Refutation
        • P(a);
    • Try
      • R(B);N_PINP(a)
      • Refutation
        • P(a);
    • Try
      • R(B);N_PINP(a)
      • Refutation
        • P(a);
    • Try
      • R(B);N_PINP(a)
      • Refutation
        • P(a);
  • Actual
    • P(C);
    • Vars
      • K(b);N_SPINP(a),S_FLIGHT,XS(D)::B(A)
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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).