MESON Chess Problem Database

Problem Display
PID: 118309 (6Q1/8/8/1N6/3Pp2P/4kp2/3p4/3K1R2 w - - 0 1)

Pradignat, Emile Leonard

La Presse, 1895

6Q1/8/8/1N6/3Pp2P/4kp2/3p4/3K1R2

#2

6 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qb3#
    • 1...Kf4
      • 2.Qg5#
    • 1...f2
      • 2.Qg3#
  • Tries
    • 1.Rg1?
      • 1...Kd3
        • 2.Qb3#
      • 1...Kf4
        • 2.Qg5#
      • 1...f2
        • 2.Qg3#
      • 1...Kf2!
    • 1.Rf2?
      • 1...Kd3
        • 2.Qb3#
      • 1...Kf4
        • 2.Qg5#
      • 1...Kxf2!
    • 1.Qd5?
      • 1...Kd3
        • 2.Qb3#
      • 1...Kf4
        • 2.Qg5#
      • 1...f2!
    • 1.Qf7?
      • 1...Kd3
        • 2.Qb3#
      • 1...f2!
    • 1.Qg1+?
      • 1...Kf4
        • 2.Qg5#
      • 1...f2
        • 2.Qg3#
      • 1...Kd3!
    • 1.Qg4?
      • 1...f2
        • 2.Qg3#
      • 1...Kd3!
    • 1.Qg6?
      • 1...Kf4
        • 2.Qg5#
      • 1...f2
        • 2.Qg3#
      • 1...Kd3!
    • 1.Qg7?
      • 1...Kf4
        • 2.Qg5#
      • 1...f2
        • 2.Qg3#
      • 1...Kd3!
    • 1.Qb8?
      • 1...f2
        • 2.Qg3#
      • 1...Kd3!
    • 1.d5?
      • 1...Kf4
        • 2.Qg5#
      • 1...f2
        • 2.Qg3#
      • 1...Kd3!
    • 1.h5?
      • 1...Kd3
        • 2.Qb3#
      • 1...f2
        • 2.Qg3#
      • 1...Kf4!
  • Keys
    • 1.Rh1!
      • 1...Kf2
        • 2.Qg1#
      • 1...Kd3
        • 2.Qb3#
      • 1...Kf4
        • 2.Qg5#
      • 1...f2
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(F)
    • K(b);P_SPINP(c),S_FLIGHT::QAB1(F)
    • P(c);OGATEB::QAR2(F)
  • Tries
    • Try
      • R(B);
      • Vars
        • K(b);P-FLIGHT::QAR2(F)
        • K(b);S_FLIGHT::QAB1(F)
        • P(c);OGATEB::QAR2(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(b);P-FLIGHT::QAR2(F)
        • K(b);P_SPINP(c),S_FLIGHT::QAB1(F)
      • Refutation
        • K(b);S_FLIGHT,XR(B)
    • Try
      • Q(F);
      • Vars
        • K(b);P-FLIGHT::QAR2(F)
        • K(b);P_SPINP(c),S_FLIGHT::QAB1(F)
      • Refutation
        • P(c);
    • Try
      • Q(F);
      • Vars
        • K(b);P-FLIGHT::QAR2(F)
      • Refutation
        • P(c);
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT::QAB1(F)
        • P(c);OGATEB,P_SPINP(c)::QAR2(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(F);
      • Vars
        • P(c);OGATEB::QAR2(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT::QAB1(F)
        • P(c);OGATEB::QAR2(F)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(d)
    • Try
      • Q(F);
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT::QAB1(F)
        • P(c);OGATEB::QAR2(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(F);
      • Vars
        • P(c);OGATEB::QAR2(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(C);
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT::QAB1(F)
        • P(c);OGATEB::QAR2(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(D);
      • Vars
        • K(b);P-FLIGHT::QAR2(F)
        • P(c);OGATEB::QAR2(F)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(b);S_FLIGHT::QAB1(F)
      • K(b);P-FLIGHT::QAR2(F)
      • P(c);OGATEB::QAR2(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).