Problem Display
PID: 35725 (K5B1/8/1p6/1P3QB1/3PN2R/3k1pp1/2p2rN1/2n2b2 w - - 0 1)

Reitman, Mark

Boletim da UBP, 1995

K5B1/8/1p6/1P3QB1/3PN2R/3k1pp1/2p2rN1/2n2b2

#2

9 + 8


3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION


  • SOUND
  • Sets
    • 1...Ke2
      • 2.Sc3#
    • 1...Kxd4
      • 2.Qd5#
  • Tries
    • 1.Se1+?
      • 1...Kxd4
        • 2.Qd5#
        • 2.Qf6#
      • 1...Ke2!
    • 1.Sxf2+?
      • 1...Ke2
        • 2.Qxc2#
      • 1...Kc3!
    • 1.Sc5+?
      • 1...Ke2
        • 2.Qxc2#
      • 1...Kc3!
    • 1.Sd6+?
      • 1...Ke2
        • 2.Qxc2#
      • 1...Kc3!
    • 1.Sf6+?
      • 1...Ke2
        • 2.Qxc2#
      • 1...Kc3!
    • 1.Bc4+?
      • 1...Kxd4
        • 2.Qd5#
      • 1...Kxc4!
    • 1.Qe6?
      • threat
        • 2.Qc4#
      • 1...Kxd4
        • 2.Qd5#
        • 2.Qd6#
      • 1...Ke2!
    • 1.Qxf3+?
      • 1...Kxd4
        • 2.Bf6#
        • 2.Qc3#
      • 1...Rxf3!
    • 1.Qf4?
      • threat
        • 2.Qe3#
      • 1...Ke2
        • 2.Qd2#
      • 1...Kxd4
        • 2.Qd6#
      • 1...Re2!
    • 1.Qc5?
      • threat
        • 2.Bc4#
        • 2.Qc4#
      • 1...Ke2
        • 2.Qxc2#
      • 1...bxc5!
    • 1.Qf7?
      • threat
        • 2.Qc4#
      • 1...Kxd4
        • 2.Qd5#
      • 1...Ke2!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qc4#
      • 1...Ke2
        • 2.Qxc2#
      • 1...Kxd4
        • 2.Qc3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::S(C)
    • K(e);OGATEB,P-FLIGHT,XP(B)::QAR1(F)
  • Tries
    • Try
      • S(A);CHECK
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(C);CHECK,XR(d)
      • Vars
        • K(e);OGATE,S_FLIGHT::QAR2(F),XP(c)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT::QAR2(F),XP(c)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT::QAR2(F),XP(c)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT::QAR2(F),XP(c)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • B(I);CHECK
      • Vars
        • K(e);P-FLIGHT,XP(B)::QAR1(F)
      • Refutation
        • K(e);S_FLIGHT,XB(I)
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(F);CHECK,XP(f)
      • Refutation
        • R(d);XQ(F)
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(e);S_FLIGHT::QAR1(F)
        • K(e);OGATEB,P-FLIGHT,XP(B)::QAR2(F)
      • Refutation
        • R(d);
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);S_FLIGHT::QAR2(F),XP(c)
      • Refutation
        • P(h);XQ(F)
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • K(e);OGATEB,P-FLIGHT,XP(B)::QAR1(F)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • Q(F);
    • Threat
      • QAB1(F)
    • Vars
      • K(e);S_FLIGHT::QAR2(F),XP(c)
      • K(e);P-FLIGHT,XP(B)::QAB1(F)


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).