Problem Display
PID: 47420 (1R6/8/nBk5/3R4/8/2K5/8/3Q4 w - - 0 1)

Bagretsov, Yuri

Schach, 1994

1R6/8/nBk5/3R4/8/2K5/8/3Q4

#2

5 + 2


4883 Still More Fun with Chess Miniatures 2002

SOLUTION


  • SOUND
  • Sets
    • 1...Sb4
      • 2.Rc5#
    • 1...Sc5
      • 2.Rxc5#
    • 1...Sc7
      • 2.Rc5#
  • Tries
    • 1.Kb2?
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sb4
        • 2.Rc5#
      • 1...Sc7
        • 2.Rc5#
      • 1...Sxb8!
    • 1.Kb3?
      • 1...Sc5+
        • 2.Rxc5#
      • 1...Sb4
        • 2.Rc5#
      • 1...Sc7
        • 2.Rc5#
      • 1...Sxb8!
    • 1.Kc4?
      • threat
        • 2.Rd6#
        • 2.Qa4#
      • 1...Sc5
        • 2.Rxc5#
        • 2.Rd6#
      • 1...Sc7
        • 2.Rc5#
        • 2.Rd6#
      • 1...Sxb8!
    • 1.Ra5?
      • threat
        • 2.Qd5#
      • 1...Sb4
        • 2.Rc5#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sc7
        • 2.Rc5#
      • 1...Sxb8!
    • 1.Re5?
      • threat
        • 2.Qd5#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sb4
        • 2.Rc5#
      • 1...Sc7
        • 2.Rc5#
      • 1...Sxb8!
    • 1.Rf5?
      • threat
        • 2.Qd5#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sb4
        • 2.Rc5#
      • 1...Sc7
        • 2.Rc5#
      • 1...Sxb8!
    • 1.Rg5?
      • threat
        • 2.Qd5#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sb4
        • 2.Rc5#
      • 1...Sc7
        • 2.Rc5#
      • 1...Sxb8!
    • 1.Rh5?
      • threat
        • 2.Qd5#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sb4
        • 2.Rc5#
      • 1...Sc7
        • 2.Rc5#
      • 1...Sxb8!
    • 1.Qd2?
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sb4
        • 2.Rc5#
      • 1...Sc7
        • 2.Rc5#
      • 1...Sxb8!
    • 1.Qd3?
      • threat
        • 2.Rd6#
        • 2.Qb5#
      • 1...Sc5
        • 2.Rxc5#
        • 2.Rd6#
      • 1...Sc7
        • 2.Rc5#
        • 2.Rd6#
        • 2.Qc4#
      • 1...Sxb8!
    • 1.Qd4?
      • 1...Sc5
        • 2.Rxc5#
        • 2.Qxc5#
      • 1...Sb4
        • 2.Rc5#
        • 2.Qc5#
        • 2.Qc4#
      • 1...Sc7
        • 2.Rc5#
        • 2.Qc5#
        • 2.Qc4#
      • 1...Sxb8!
  • Keys
    • 1.Rb5!
      • threat
        • 2.Qd5#
      • 1...Kxb5
        • 2.Qd7#
      • 1...Sb4
        • 2.Rc5#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sc7
        • 2.Rc5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::R1(C)
    • S(a);N_GUARD::R1(C),XS(a)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • S(a);N_GUARD::R1(C),XS(a)
        • S(a);N_GUARD::R1(C)
      • Refutation
        • S(a);XR(E)
    • Try
      • K(B);P-FLIGHT
      • Vars
        • S(a);CHECK,N_GUARD::R1(C),XS(a)
        • S(a);N_GUARD::R1(C)
      • Refutation
        • S(a);XR(E)
    • Try
      • K(B);P-FLIGHT
      • Threat
        • DUALS(2)
      • Refutation
        • S(a);XR(E)
    • Try
      • R(C);
      • Threat
        • QAB1(A)
      • Vars
        • S(a);N_GUARD::R1(C)
        • S(a);N_GUARD::R1(C),XS(a)
      • Refutation
        • S(a);XR(E)
    • Try
      • R(C);
      • Threat
        • QAB1(A)
      • Vars
        • S(a);N_GUARD::R1(C),XS(a)
        • S(a);N_GUARD::R1(C)
      • Refutation
        • S(a);XR(E)
    • Try
      • R(C);
      • Threat
        • QAB1(A)
      • Vars
        • S(a);N_GUARD::R1(C),XS(a)
        • S(a);N_GUARD::R1(C)
      • Refutation
        • S(a);XR(E)
    • Try
      • R(C);
      • Threat
        • QAB1(A)
      • Vars
        • S(a);N_GUARD::R1(C),XS(a)
        • S(a);N_GUARD::R1(C)
      • Refutation
        • S(a);XR(E)
    • Try
      • R(C);
      • Threat
        • QAB1(A)
      • Vars
        • S(a);N_GUARD::R1(C),XS(a)
        • S(a);N_GUARD::R1(C)
      • Refutation
        • S(a);XR(E)
    • Try
      • Q(A);
      • Vars
        • S(a);N_GUARD::R1(C),XS(a)
        • S(a);N_GUARD::R1(C)
      • Refutation
        • S(a);XR(E)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • S(a);XR(E)
    • Try
      • Q(A);
      • Refutation
        • S(a);XR(E)
  • Actual
    • R(C);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT,XR(C)::QAB(A)
      • S(a);N_GUARD::R1(C)
      • S(a);N_GUARD::R1(C),XS(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).