MESON Chess Problem Database

Problem Display
PID: 80792 (BB1n1Rq1/K1p1Qbr1/2r3p1/4p3/4k1p1/4P3/1N1pNpP1/4R3 w - - 0 1)

Pituk, Alexander

Freie Presse, 1994

BB1n1Rq1/K1p1Qbr1/2r3p1/4p3/4k1p1/4P3/1N1pNpP1/4R3

#2

10 + 12

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe3
      • 2.Qxe5#
    • 1...Kd5
      • 2.Sc3#
    • 1...Kf5
      • 2.Sg3#
    • 1...Ba2
      • 2.Sc3#
    • 1...Bb3
      • 2.Sc3#
    • 1...Bc4
      • 2.Sc3#
    • 1...Bd5
      • 2.Sg3#
    • 1...Be6
      • 2.Sc3#
    • 1...Be8
      • 2.Sc3#
  • Tries
    • 1.Bxc6+?
      • 1...Kxe3
        • 2.Qc5#
        • 2.Qg5#
        • 2.Qxe5#
      • 1...Kf5
        • 2.Sg3#
        • 2.e4#
      • 1...Bd5
        • 2.Sc3#
        • 2.Sg3#
      • 1...Sxc6+!
    • 1.Bxc7?
      • threat
        • 2.Qxe5#
      • 1...Kxe3
        • 2.Qxe5#
      • 1...Kd5
        • 2.Sc3#
        • 2.Qxe5#
      • 1...Kf5
        • 2.Sg3#
        • 2.Qxe5#
      • 1...Be6
        • 2.Sc3#
      • 1...Se6!
  • Keys
    • 1.Qxc7!
      • threat
        • 2.Qxe5#
      • 1...Kxe3
        • 2.Qxe5#
      • 1...Kd5
        • 2.Qxe5#
      • 1...Kf5
        • 2.Qxe5#
      • 1...Ba2
        • 2.Sc3#
      • 1...Bb3
        • 2.Sc3#
      • 1...Bc4
        • 2.Sc3#
      • 1...Bd5
        • 2.Sg3#
      • 1...Be6
        • 2.Sc3#
      • 1...Be8
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINR(f),P-FLIGHT,XP(E)::QAR2(G),XP(e)
    • K(c);N_SPINP(e),S_FLIGHT::S(C)
    • K(c);N_SPINP(e),N_SPINR(f),P_SPINB(i),S_FLIGHT::S(C)
    • B(i);::S(C)
    • B(i);N_SPINR(f),SBLOCK::S(C)
    • B(i);N_SPINP(e)::S(C)
  • Tries
    • Try
      • B(H);CHECK,XR(f)
      • Refutation
        • S(k);CHECK,XB(H)
    • Try
      • B(I);XP(h)
      • Threat
        • QAR1(G),XP(e)
      • Vars
        • K(c);N_SPINR(f),P-FLIGHT,XP(E)::QAR2(G),XP(e)
        • B(i);N_SPINP(e)::S(C)
      • Refutation
        • S(k);N_SPINP(e)
  • Actual
    • Q(G);N_PINP(e),XP(h)
    • Threat
      • QAR1(G),XP(e)
    • Vars
      • K(c);N_SPINR(f),P-FLIGHT,XP(E)::QAR2(G),XP(e)
      • K(c);S_FLIGHT::QAR1(G),XP(e)
      • K(c);N_SPINR(f),P_SPINB(i),S_FLIGHT::QAR1(G),XP(e)
      • B(i);P_PINQ(G)::S(C)
      • B(i);N_SPINR(f),P_PINQ(G),SBLOCK::S(C)
HTML5 logo

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).