MESON Chess Problem Database

Problem Display
PID: 179053 (2N2N2/Ppp2P1K/2k2pQ1/B2bR1p1/PP2n2R/6bp/2q4r/3r3B w - - 0 1)

Kiss, Lajos

Szoghy, Jozsef

Magasinet, 1938

2N2N2/Ppp2P1K/2k2pQ1/B2bR1p1/PP2n2R/6bp/2q4r/3r3B

#2

12 + 12

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.b5#
    • 1...Bb3
      • 2.b5#
    • 1...Bc4
      • 2.Rc5#
    • 1...Be6
      • 2.b5#
    • 1...Bxf7
      • 2.b5#
    • 1...Sd2
      • 2.Bxd5#
    • 1...Sf2
      • 2.Qxc2#
    • 1...Sc3
      • 2.Rc4#
    • 1...Sc5
      • 2.b5#
    • 1...Sd6
      • 2.Se7#
    • 1...b5
      • 2.a8Q#
      • 2.a8B#
    • 1...b6
      • 2.a8Q#
      • 2.a8B#
  • Tries
    • 1.Re6+?
      • 1...Bd6
        • 2.Se7#
      • 1...Sd6
        • 2.Se7#
      • 1...Bxe6!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qd7#
      • 1...Bxf7
        • 2.b5#
      • 1...b5
        • 2.a8Q#
        • 2.a8B#
      • 1...b6
        • 2.a8Q#
        • 2.a8B#
      • 1...Ba2
        • 2.b5#
      • 1...Bb3
        • 2.b5#
      • 1...Bc4
        • 2.Rc5#
      • 1...Be6
        • 2.b5#
      • 1...Sd2
        • 2.Bxd5#
      • 1...Sf2
        • 2.Qxc2#
      • 1...Sc3
        • 2.Rc4#
      • 1...Sc5
        • 2.b5#
      • 1...Sd6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(g);P_SPINS(f)::P(C)
    • B(g);OGATE,P_SPINS(f)::R1(F)
    • B(g);N_SPINP(j),P_SPINS(f)::P(C)
    • B(g);P_SPINS(f),XP(I)::P(C)
    • S(f);OGATE,P_PINQ(G),P_SPINB(g)::B(A),XB(g)
    • S(f);OGATE,P_PINQ(G),P_SPINB(g)::QAR(G),XQ(b)
    • S(f);OGATE,P_PINQ(G),P_SPINB(g)::R(D)
    • S(f);P_PINQ(G),P_SPINB(g),SBLOCK::P(C)
    • S(f);N_SPINP(j),P_PINQ(G),P_SPINB(g),SBLOCK::S(K)
    • P(k);::P=Q
  • Tries
    • Try
      • R(F);CHECK,N_PINP(j)
      • Vars
        • B(d);P_SPINB(d)::S(K)
        • S(f);P_PINQ(G),P_SPINB(g),P_SPINS(f)::S(K)
      • Refutation
        • B(g);P_SPINS(f),XR(F)
  • Actual
    • Q(G);N_PINP(j)
    • Threat
      • QAB1(G)
    • Vars
      • B(g);P_SPINS(f),XP(I)::P(C)
      • P(k);::P=Q
      • B(g);P_SPINS(f)::P(C)
      • B(g);OGATE,P_SPINS(f)::R1(F)
      • S(f);OGATE,P_PINQ(G),P_SPINB(g)::B(A),XB(g)
      • S(f);OGATE,P_PINQ(G),P_SPINB(g)::QAR(G),XQ(b)
      • S(f);OGATE,P_PINQ(G),P_SPINB(g)::R(D)
      • S(f);P_PINQ(G),P_SPINB(g),SBLOCK::P(C)
      • S(f);P_PINQ(G),P_SPINB(g),SBLOCK::S(K)
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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).