MESON Chess Problem Database

Problem Display
PID: 274377 (1B3r2/5R2/3nPbn1/2QRr1p1/2ppPk2/3B4/5P1N/K7 w - - 0 1)

Tanic, Zivota

Mat, 1973

1B3r2/5R2/3nPbn1/2QRr1p1/2ppPk2/3B4/5P1N/K7

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.Rf5#
    • 1...Rf5
      • 2.Rxf5#
    • 1...Rxe6
      • 2.Rf5#
  • Keys
    • 1.Qxd4!
      • threat
        • 2.Qe3#
      • 1...Rxe4
        • 2.Qxf6#
      • 1...Rxd5
        • 2.exd5#
      • 1...Rxe6
        • 2.Rf5#
      • 1...Sxe4
        • 2.Qxe4#
      • 1...Rf5
        • 2.Rxf5#
      • 1...Sf5
        • 2.exf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(d);OGATE,P_SPINS(f),XP(E)::R1(G)
    • R(d);N_SPINB(g),OGATE,P_SPINS(f)::R1(G),XR(d)
    • R(d);OGATE,P_SPINS(f),XP(H)::R1(G)
  • Actual
    • Q(F);XP(b)
    • Threat
      • QAB1(F)
    • Vars
      • R(d);OGATE,P_PINQ(F),P_SPINR(d),P_SPINS(f),XP(E)::QAR2(F),XB(g)
      • R(d);OGATE,P_PINQ(F),P_SPINS(f),XR(G)::QAR(F)+P(E),XR(d)
      • R(d);OGATE,P_PINQ(F),P_SPINS(f),XP(H)::R1(G)
      • S(f);OGATE,P_SPINR(d),P_SPINS(f),XP(E)::QAR1(F),XS(f)
      • R(d);N_SPINB(g),OGATE,P_PINQ(F),P_SPINS(f)::R1(G),XR(d)
      • S(f);N_SPINB(g),OGATE,P_SPINR(d)::QAR(F)+P(E),XS(f)
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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).