Problem Display
PID: 145691 (2B4K/5p2/p3PQ2/RbPP4/4k3/4P3/2R5/4N3 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Kopyl, Valery Volodimirovich

Novitski, Petr Adrinovich

3rd Comm., Die Schwalbe, 2011

2B4K/5p2/p3PQ2/RbPP4/4k3/4P3/2R5/4N3

#2

10 + 4


23 Die Schwalbe 2013

SOLUTION


  • SOUND
  • Sets
    • 1...Kxe3
      • 2.Qe5#
    • 1...fxe6
      • 2.Qxe6#
  • Tries
    • 1.Bb7?
      • threat
        • 2.Qf4#
      • 1...Kxe3
        • 2.Qe5#
      • 1...Bc6!
    • 1.Rd2?
      • threat
        • 2.Qf4#
      • 1...Kxe3
        • 2.Qd4#
      • 1...Bd3!
    • 1.Rf2?
      • threat
        • 2.Qd4#
      • 1...Kxe3
        • 2.Qf4#
      • 1...Kxd5!
    • 1.Qf5+?
      • 1...Kxe3
        • 2.Qe5#
      • 1...Kxf5!
    • 1.exf7?
      • threat
        • 2.Qd4#
        • 2.Qe6#
      • 1...Kxe3
        • 2.Qe5#
      • 1...Kxd5
        • 2.Qe6#
      • 1...Bd7!
  • Keys
    • 1.c6!
      • 1...Kxe3
        • 2.Qe5#
      • 1...Kxd5
        • 2.Qd4#
      • 1...Bxc6
        • 2.Qf4#
      • 1...fxe6
        • 2.Qxe6#
      • 1...Bf1
        • 2.Qf4#
      • 1...Be2
        • 2.Qf4#
      • 1...Bd3
        • 2.Qf4#
      • 1...Ba4
        • 2.Qf4#
      • 1...Bc4
        • 2.Qf4#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,XP(C)::QAR2(H)
    • P(d);OGATE,XP(G)::QAR2(H),XP(d)
  • Tries
    • Try
      • B(I);
      • Threat
        • QAR1(H)
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAR2(H)
      • Refutation
        • B(b);
    • Try
      • R(B);
      • Threat
        • QAR1(H)
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAB1(H)
      • Refutation
        • B(b);
    • Try
      • R(B);
      • Threat
        • QAR1(H)
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAB1(H)
      • Refutation
        • K(a);S_FLIGHT,XP(F)
    • Try
      • Q(H);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAR2(H)
      • Refutation
        • K(a);S_FLIGHT,XQ(H)
    • Try
      • P(G);XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAR2(H)
        • K(a);S_FLIGHT,XP(F)::QAB1(H)
      • Refutation
        • B(b);
  • Actual
    • P(E);
    • Vars
      • K(a);P-FLIGHT,XP(C)::QAR2(H)
      • K(a);P_SPINB(b),S_FLIGHT,XP(F)::QAR1(H)
      • B(b);XP(E)::QAR1(H)
      • P(d);OGATE,XP(G)::QAR2(H),XP(d)
      • B(b);::QAR1(H)


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).