MESON Chess Problem Database

Problem Display
PID: 219885 (R7/4B3/8/1pq2P2/bk2K2Q/3Pp1pp/PP2p3/1N2b1n1 w - - 0 1)

Bajtay, Jozsef

Land og Folk, 0000

R7/4B3/8/1pq2P2/bk2K2Q/3Pp1pp/PP2p3/1N2b1n1

#2

9 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6
      • 2.Bxd6#
    • 1...Qxe7+
      • 2.Qxe7#
    • 1...Bc3
      • 2.bxc3#
    • 1...Bb3
      • 2.a3#
    • 1...Sf3
      • 2.Kxf3#
    • 1...g2
      • 2.Qxe1#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Sd5#
      • 1...Qxe7+
        • 2.Qxe7#
      • 1...Qd6
        • 2.Bxd6#
      • 1...Bb3
        • 2.a3#
      • 1...Bxc3!
    • 1.Qf6?
      • threat
        • 2.Qd4#
      • 1...Qxe7+
        • 2.Qxe7#
      • 1...Bc3
        • 2.Qxc3#
        • 2.bxc3#
      • 1...Bb3
        • 2.a3#
      • 1...Sf3!
  • Keys
    • 1.Kf4!
      • threat
        • 2.Kg5#
      • 1...Qd6+
        • 2.Bxd6#
      • 1...Qxe7
        • 2.Qxe7#
      • 1...Bc3
        • 2.bxc3#
      • 1...Bb3
        • 2.a3#
      • 1...Sf3
        • 2.Kxf3#
      • 1...g2
        • 2.Qxe1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(j);OGATEB::B(H),XQ(j)
    • Q(j);CHECK,N_SPINQ(j),OGATE,XB(H)::QAB(F),XQ(j)
    • B(a);OGATE::P(C),XB(a)
    • B(g);SBLOCK::P(B)
    • S(b);::QAR(F)+K(E),XS(b)
    • P(e);OGATE::QAB(F),XB(a)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • Q(j);CHECK,N_SPINQ(j),OGATE,XB(H)::QAB(F),XQ(j)
        • Q(j);OGATEB::B(H),XQ(j)
        • B(g);SBLOCK::P(B)
      • Refutation
        • B(a);XS(A)
    • Try
      • Q(F);
      • Threat
        • QAR2(F)
      • Vars
        • Q(j);CHECK,N_SPINQ(j),OGATE,XB(H)::QAB(F),XQ(j)
        • B(g);SBLOCK::P(B)
      • Refutation
        • S(b);
  • Actual
    • K(E);P-FLIGHT
    • Threat
      • QAR(F)+K(E)
    • Vars
      • Q(j);CHECK,OGATEB::B(H),XQ(j)
      • Q(j);N_SPINQ(j),OGATE,XB(H)::QAB(F),XQ(j)
      • B(a);OGATE::P(C),XB(a)
      • B(g);SBLOCK::P(B)
      • S(b);::QAR(F)+K(E),XS(b)
      • P(e);OGATE::QAB(F),XB(a)
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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).