MESON Chess Problem Database

Problem Display
PID: 95088 (b3R3/4p1r1/B5n1/pPR4Q/r3kp2/p1P1N1b1/K1P5/2B3n1 w - - 0 1)

Labai, Zoltan

1st HM., Pravda (Bratislava), 1971-1972

b3R3/4p1r1/B5n1/pPR4Q/r3kp2/p1P1N1b1/K1P5/2B3n1

#2

10 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Rxc4#
    • 1...Bd5+
      • 2.Qxd5#
    • 1...Bb7
      • 2.Bxb7#
    • 1...Sf3
      • 2.Qf5#
    • 1...Sh4
      • 2.Re5#
    • 1...Se5
      • 2.Rxe5#
    • 1...Sf8
      • 2.Re5#
    • 1...Sh8
      • 2.Re5#
    • 1...fxe3
      • 2.Qf5#
    • 1...f3
      • 2.Qf5#
  • Tries
    • 1.Rxe7+?
      • 1...Se5
        • 2.Rcxe5#
        • 2.Rexe5#
      • 1...Sxe7
        • 2.Re5#
      • 1...Rxe7!
    • 1.b6?
      • threat
        • 2.Bd3#
      • 1...Bd5+
        • 2.Qxd5#
      • 1...fxe3
        • 2.Qf5#
      • 1...f3
        • 2.Qf5#
      • 1...Rc4
        • 2.Rxc4#
      • 1...Se5
        • 2.Rxe5#
      • 1...Rd4!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sd6#
      • 1...Rxc4
        • 2.Rxc4#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Se5
        • 2.Rxe5#
      • 1...f3
        • 2.Qf5#

There are these versions: 11741

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • R(d);N_GUARD::R(G),XR(d)
    • B(k);CHECK,N_GUARD::QAB1(H),XB(k)
    • B(k);N_GUARD::B(I),XB(k)
    • S(a);SBLOCK::QAB1(H)
    • S(h);N_GUARD::R1(G)
    • S(h);N_GUARD,N_SPINP(i)::R1(G),XS(h)
    • P(f);XS(E)::QAB1(H)
    • P(f);::QAB1(H)
  • Tries
    • Try
      • R(J);CHECK,XP(i)
      • Vars
        • S(h);N_GUARD,XR(J)::R1(G)
      • Refutation
        • R(j);XR(J)
    • Try
      • P(F);
      • Threat
        • B(I)
      • Vars
        • B(k);CHECK,N_GUARD::QAB1(H),XB(k)
        • P(f);XS(E)::QAB1(H)
        • P(f);::QAB1(H)
        • R(d);N_GUARD::R(G),XR(d)
        • S(h);N_GUARD,N_SPINP(i)::R1(G),XS(h)
      • Refutation
        • R(d);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • R(d);OGATE,XS(E)::R(G),XR(d)
      • B(k);N_GUARD,P_PINS(E)::QAB1(H),XB(k)
      • S(h);N_GUARD,N_SPINP(i)::R1(G),XS(h)
      • P(f);::QAB1(H)
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).