Problem Display
PID: 49835 (8/2pN4/2P5/3p4/3kp3/1P1Pp3/2R5/R3K1B1 w Q - 0 1)

Gruber, Bratoljub

Mat Plus, 1995

8/2pN4/2P5/3p4/3kp3/1P1Pp3/2R5/R3K1B1

#2

8 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Kxd3
      • 2.0-0-0#
    • 1...exd3
      • 2.Ra4#
  • Tries
    • 1.Kd1?
      • 1...exd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Kf1?
      • 1...exd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Bf2?
      • 1...Kxd3
        • 2.0-0-0#
      • 1...exd3
        • 2.Ra4#
      • 1...exf2+!
    • 1.Bh2?
      • 1...Kxd3
        • 2.0-0-0#
      • 1...exd3
        • 2.Ra4#
      • 1...e2!
    • 1.Raa2?
      • 1...exd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Ra3?
      • 1...exd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Ra5?
      • 1...exd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Ra6?
      • 1...exd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Ra7?
      • 1...exd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Ra8?
      • 1...exd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Rcc1?
      • 1...exd3
        • 2.Ra4#
      • 1...Kxd3!
    • 1.Rc4+?
      • 1...Kxd3
        • 2.Sc5#
        • 2.Se5#
        • 2.Rd1#
      • 1...dxc4!
    • 1.b4?
      • 1...Kxd3
        • 2.0-0-0#
      • 1...exd3!
  • Keys
    • 1.Rc5!
      • 1...Kxd3
        • 2.Rd1#
      • 1...exd3
        • 2.Ra4#

FEATURES


  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINP(a),P-FLIGHT,XP(F)::0-0-0
    • P(c);SBLOCK,XP(F)::R(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(c);SBLOCK,XP(F)::R(A)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT,XP(F)
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(c);SBLOCK,XP(F)::R(A)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT,XP(F)
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT,XP(F)::0-0-0
        • P(c);SBLOCK,XP(F)::R(A)
      • Refutation
        • P(a);CHECK,N_SPINP(a),XB(C)
    • Try
      • B(C);N_PINP(a)
      • Vars
        • K(b);P-FLIGHT,XP(F)::0-0-0
        • P(c);SBLOCK,XP(F)::R(A)
      • Refutation
        • P(a);
    • Try
      • R(A);
      • Vars
        • P(c);SBLOCK,XP(F)::R(A)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT,XP(F)
    • Try
      • R(A);
      • Vars
        • P(c);SBLOCK,XP(F)::R(A)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT,XP(F)
    • Try
      • R(A);
      • Vars
        • P(c);SBLOCK,XP(F)::R(A)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT,XP(F)
    • Try
      • R(A);
      • Vars
        • P(c);SBLOCK,XP(F)::R(A)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT,XP(F)
    • Try
      • R(A);
      • Vars
        • P(c);SBLOCK,XP(F)::R(A)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT,XP(F)
    • Try
      • R(A);
      • Vars
        • P(c);SBLOCK,XP(F)::R(A)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT,XP(F)
    • Try
      • R(D);
      • Vars
        • P(c);SBLOCK,XP(F)::R(A)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT,XP(F)
    • Try
      • R(D);CHECK
      • Refutation
        • P(d);XR(D)
    • Try
      • P(E);
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT,XP(F)::0-0-0
      • Refutation
        • P(c);XP(F)
  • Actual
    • R(D);
    • Vars
      • K(b);N_SPINP(a),OGATEB,P-FLIGHT,XP(F)::R(A)
      • P(c);SBLOCK,XP(F)::R(A)


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).