Problem Display
PID: 50074 (8/3p4/3Q4/6p1/5nP1/1p1p1R1p/pP1P2pr/R3K1Bk w Q - 0 1)

Gruber, Bratoljub

Mat Plus, 1995

8/3p4/3Q4/6p1/5nP1/1p1p1R1p/pP1P2pr/R3K1Bk

#2

8 + 10


5454 Near Snap 2008

SOLUTION


  • SOUND
  • Sets
    • 1...Kxg1
      • 2.0-0-0#
    • 1...Se2
      • 2.Qxh2#
    • 1...Sd5
      • 2.Qxh2#
    • 1...Sh5
      • 2.Qxh2#
    • 1...Se6
      • 2.Qxh2#
    • 1...Sg6
      • 2.Qxh2#
  • Tries
    • 1.Kd1?
      • 1...Se2
        • 2.Qxh2#
      • 1...Sd5
        • 2.Qxh2#
      • 1...Sh5
        • 2.Qxh2#
      • 1...Se6
        • 2.Qxh2#
      • 1...Sg6
        • 2.Qxh2#
      • 1...Kxg1!
    • 1.Rf2?
      • 1...Se2
        • 2.Qxh2#
      • 1...Sd5
        • 2.Qxh2#
      • 1...Sh5
        • 2.Qxh2#
      • 1...Se6
        • 2.Qxh2#
      • 1...Sg6
        • 2.Qxh2#
      • 1...Kxg1!
    • 1.Re3?
      • 1...Se2
        • 2.Qxh2#
      • 1...Sd5
        • 2.Qxh2#
      • 1...Sh5
        • 2.Qxh2#
      • 1...Se6
        • 2.Qxh2#
      • 1...Sg6
        • 2.Qxh2#
      • 1...Kxg1!
    • 1.Rxf4?
      • 1...Kxg1
        • 2.0-0-0#
      • 1...gxf4!
    • 1.Qxf4?
      • threat
        • 2.Qxh2#
      • 1...Kxg1
        • 2.0-0-0#
      • 1...gxf4!
  • Keys
    • 1.Kf2!
      • 1...Se2
        • 2.Qxh2#
      • 1...Sd5
        • 2.Qxh2#
      • 1...Sh5
        • 2.Qxh2#
      • 1...Se6
        • 2.Qxh2#
      • 1...Sg6
        • 2.Qxh2#

Anticipated by 50072(1995)

FEATURES


  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT,XB(C)::0-0-0
    • S(h);OGATE::QAR1(H),XR(d)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • S(h);OGATE::QAR1(H),XR(d)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • R(F);
      • Vars
        • S(h);OGATE::QAR1(H),XR(d)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • R(F);
      • Vars
        • S(h);OGATE::QAR1(H),XR(d)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • R(F);XS(h)
      • Vars
        • K(a);P-FLIGHT,XB(C)::0-0-0
      • Refutation
        • P(i);XR(F)
    • Try
      • Q(H);XS(h)
      • Threat
        • QAR1(H),XR(d)
      • Vars
        • K(a);P-FLIGHT,XB(C)::0-0-0
      • Refutation
        • P(i);XQ(H)
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • S(h);OGATE::QAR1(H),XR(d)


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).