MESON Chess Problem Database

Problem Display
PID: 245158 (8/b7/4N2p/1p1b1R2/1Qn1k1P1/2p1P3/KN3P2/8 w - - 0 1)

Mlynka, Karol

Scacchi e Scienze Applicate, 2010

8/b7/4N2p/1p1b1R2/1Qn1k1P1/2p1P3/KN3P2/8

#2

8 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe3
      • 2.f3#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Bb8
      • 2.Sc5#
    • 1...h5
      • 2.Sg5#
  • Tries
    • 1.Qa4?
      • threat
        • 2.Qc2#
      • 1...c2
        • 2.Qxc2#
      • 1...bxa4!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qc2#
      • 1...Sxb2
        • 2.Qxd5#
      • 1...Sxe3
        • 2.f3#
      • 1...Sd2
        • 2.Qxd5#
      • 1...Sa3
        • 2.Qxd5#
      • 1...Sa5
        • 2.Qxd5#
      • 1...Se5
        • 2.Rf4#
      • 1...Sb6
        • 2.Sc5#
      • 1...Sd6
        • 2.Qxd5#
      • 1...c2
        • 2.Qxc2#
        • 2.Qd3#
        • 2.f3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 4
  • Sets
    • B(g);SBLOCK,XP(D)::P(C)
    • B(g);N_GUARD::S(H),XB(g)
    • B(g);N_GUARD::S(H)
    • P(f);N_GUARD::S(H)
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAB(E)
      • Vars
        • P(a);::QAB(E),XP(a)
      • Refutation
        • P(d);N_SPINS(b),XQ(E)
  • Actual
    • Q(E);N_PINS(b)
    • Threat
      • QAB(E)
    • Vars
      • S(b);OGATE,P_PINQ(E),XS(B)::QAB1(E),XB(e)
      • S(b);P_PINQ(E),SBLOCK,XP(D)::P(C)
      • S(b);OGATE,P_PINQ(E)::QAB1(E),XB(e)
      • S(b);P_PINQ(E),SBLOCK::R1(G)
      • S(b);P_PINQ(E),S_CUTB(g)::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).