MESON Chess Problem Database

Problem Display
PID: 105596 (6B1/K1Pnrp1N/1p1pk1N1/p2pPp1R/8/1Q2n3/8/r3R1q1 w - - 0 1)

Szoghy, Jozsef

Vizugyi Sports Club, 1981

6B1/K1Pnrp1N/1p1pk1N1/p2pPp1R/8/1Q2n3/8/r3R1q1

#2

9 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qf2
      • 2.Sg5#
    • 1...Qh2
      • 2.Sg5#
    • 1...Qxe1
      • 2.Sg5#
    • 1...Qf1
      • 2.Sg5#
    • 1...Qh1
      • 2.Sg5#
    • 1...Qg5
      • 2.Sxg5#
    • 1...Sd1
      • 2.Sf4#
    • 1...Sf1
      • 2.Sf4#
    • 1...Sc2
      • 2.Sf4#
    • 1...Sg2
      • 2.Sg5#
    • 1...Sc4
      • 2.Sf4#
    • 1...Sg4
      • 2.Sf4#
      • 2.Sg5#
    • 1...Sc5
      • 2.Shf8#
    • 1...Sxe5
      • 2.Sgf8#
    • 1...Sf6
      • 2.Shf8#
    • 1...Sb8
      • 2.Shf8#
    • 1...Sf8
      • 2.Shxf8#
    • 1...f4
      • 2.Sxf4#
  • Tries
    • 1.Qa3?
      • threat
        • 2.Qxd6#
      • 1...Sxe5
        • 2.Sgf8#
      • 1...dxe5
        • 2.Qxe7#
      • 1...Sc5
        • 2.Shf8#
      • 1...Sc4
        • 2.Sf4#
      • 1...Rxa3!
    • 1.Qb4?
      • threat
        • 2.Qxd6#
      • 1...Sxe5
        • 2.Sgf8#
      • 1...dxe5
        • 2.Qxe7#
      • 1...Sc5
        • 2.Shf8#
      • 1...Sc4
        • 2.Sf4#
      • 1...axb4+!
    • 1.c8Q?
      • threat
        • 2.Shf8#
      • 1...dxe5
        • 2.Qxb6#
        • 2.Qc6#
      • 1...Re8
        • 2.Qxe8#
      • 1...Qxg6!
  • Keys
    • 1.Qxb6!
      • threat
        • 2.Qxd6#
      • 1...Sxe5
        • 2.Sgf8#
      • 1...Sxb6
        • 2.Shf8#
      • 1...Sd1
        • 2.Sf4#
      • 1...Sf1
        • 2.Sf4#
      • 1...Sc2
        • 2.Sf4#
      • 1...Sg2
        • 2.Sg5#
      • 1...Sc4
        • 2.Sf4#
      • 1...Sg4
        • 2.Sf4#
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 11
  • Sets
    • Q(b);N_GUARD::S(H)
    • Q(b);N_GUARD,XR(A)::S(H)
    • Q(b);N_GUARD::S(H),XQ(b)
    • S(c);::S(E)
    • S(c);S_CUTQ(b)::S(H)
    • S(c);N_SPINP(e),P_SPINP(l)::S(E)
    • S(j);N_GUARD,P_PINP(G)::S(H)
    • S(j);N_GUARD,P_PINP(G),SBLOCK,XP(C)::S(E)
    • S(j);N_GUARD,P_PINP(G)::S(H),XS(j)
    • P(f);::S(E),XP(f)
  • Tries
    • Try
      • Q(B);N_PINP(e),P_PINP(l)
      • Threat
        • QAR1(B),XP(h)
      • Vars
        • S(j);N_GUARD,P_PINP(G),SBLOCK,XP(C)::S(E)
        • P(h);OGATE,XP(C)::QAR1(B),XR(k)
        • S(j);N_GUARD,P_PINP(G)::S(H)
        • S(c);::S(E)
      • Refutation
        • R(a);XQ(B)
    • Try
      • Q(B);N_PINP(e),P_PINP(l)
      • Threat
        • QAR1(B),XP(h)
      • Vars
        • S(j);N_GUARD,P_PINP(G),SBLOCK,XP(C)::S(E)
        • P(h);OGATE,XP(C)::QAR1(B),XR(k)
        • S(j);N_GUARD,P_PINP(G)::S(H)
        • S(c);::S(E)
      • Refutation
        • P(d);CHECK,XQ(B)
    • Try
      • P(G);P_PINS(j)
      • Threat
        • S(H)
      • Vars
        • R(k);OGATEB::QAR2(G),XR(k)
      • Refutation
        • Q(b);XS(E)
  • Actual
    • Q(B);N_PINP(e),P_PINP(h),XP(g)
    • Threat
      • QAR1(B),XP(h)
    • Vars
      • S(j);N_GUARD,P_PINP(G),SBLOCK,XP(C)::S(E)
      • S(j);N_GUARD,N_SPINP(h),P_PINP(G),P_SPINP(l),XQ(B)::S(H)
      • S(c);P_PINQ(B)::S(E)
      • S(c);P_PINQ(B),S_CUTQ(b)::S(H)
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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).