MESON Chess Problem Database

Problem Display
PID: 249520 (nRQ1n2q/K1p1pp2/2k4r/p2Np1b1/bpP2p2/3N4/3R4/1r4B1 w - - 0 1)

Hernitz, Zvonimir

Schach-Aktiv, 1994

nRQ1n2q/K1p1pp2/2k4r/p2Np1b1/bpP2p2/3N4/3R4/1r4B1

#2

8 + 15

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Rxb6#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qd7#
      • 1...Kd6
        • 2.Sxb4#
      • 1...Rd6
        • 2.Qb7#
      • 1...Sb6
        • 2.Rxb6#
      • 1...Sf6
        • 2.Sxe7#
      • 1...Rxg1!
    • 1.Sxe7+?
      • 1...Kd6
        • 2.Bc5#
      • 1...Bxe7!
    • 1.Qa6+?
      • 1...Kd7
        • 2.Sc5#
      • 1...Sb6!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Qd7#
      • 1...Kd6
        • 2.Sxb4#
      • 1...Sxb6
        • 2.Rxb6#
      • 1...Rd6
        • 2.Qb7#
      • 1...Sf6
        • 2.Sxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(m);N_GUARD::R1(G),XS(m)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(H)
      • Vars
        • K(h);N_SPINP(j),P-FLIGHT::R(B)+S(E),XP(c)
        • R(i);SBLOCK::QAB1(H)
        • S(m);N_GUARD::R1(G),XS(m)
        • S(n);S_CUTB(g)::S(E),XP(k)
      • Refutation
        • R(a);XB(A)
    • Try
      • S(E);CHECK,XP(k)
      • Vars
        • K(h);N_SPINP(j),P-FLIGHT::B(A)
      • Refutation
        • B(g);XS(E)
    • Try
      • Q(H);CHECK,N_PINP(j)
      • Vars
        • K(h);S_FLIGHT::S(C)
      • Refutation
        • S(m);P_SPINS(m)
  • Actual
    • S(E);
    • Threat
      • QAB1(H)
    • Vars
      • K(h);N_SPINP(j),P-FLIGHT::R(B)+S(C),XP(c)
      • S(m);OGATE,XS(E)::R1(G),XS(m)
      • R(i);SBLOCK::QAB1(H)
      • S(n);S_CUTQ(o)::S(C),XP(f)
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).