MESON Chess Problem Database

Problem Display
PID: 99351 (b5B1/7p/1r3QRK/1R1Np1p1/2n1k1p1/2Pp1pPN/3b1P2/8 w - - 0 1)

Pethes, Zoltan

Magyar Sakkszovetseg, 1976

b5B1/7p/1r3QRK/1R1Np1p1/2n1k1p1/2Pp1pPN/3b1P2/8

#2

10 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Sxg5#
    • 1...Bxd5
      • 2.Bxd5#
    • 1...Se3
      • 2.Sxg5#
  • Keys
    • 1.Rxg5!
      • threat
        • 2.Bxh7#
      • 1...Rxf6+
        • 2.Sxf6#
      • 1...Bxg5+
        • 2.Sxg5#
      • 1...Rxb5
        • 2.Qf5#
      • 1...Bxc3
        • 2.Rxg4#
      • 1...Rb7
        • 2.Qf5#
      • 1...Se3
        • 2.Rxe5#
      • 1...Sd6
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::S(D),XP(h)
    • B(k);OGATE,XS(F)::B(J),XB(k)
    • S(d);S_CUTB(a)::S(D),XP(h)
  • Actual
    • R(H);P_SPINQ(G),P_SPINR(H),XP(h)
    • Threat
      • B(J),XP(j)
    • Vars
      • R(i);CHECK,XQ(G)::S(F),XR(i)
      • B(a);CHECK,XR(H)::S(D),XB(a)
      • R(i);N_PINQ(G),XR(E)::QAB1(G)
      • B(a);N_PINR(H),XP(B)::R(H),XP(f)
      • R(i);N_PINQ(G)::QAB1(G)
      • S(d);N_PINR(H)::R1(H),XP(g)
      • S(d);N_PINQ(G)::QAR1(G),XP(g)
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).