MESON Chess Problem Database

Problem Display
PID: 205857 (8/3p1p1Q/B1p1b3/1p1k4/3p2p1/1N4B1/2KN1pq1/8 w - - 0 1)

Svitek, Miroslav

Troll, 2019

8/3p1p1Q/B1p1b3/1p1k4/3p2p1/1N4B1/2KN1pq1/8

#2

6 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1
      • 2.Qe4#
    • 1...Qh1
      • 2.Qxh1#
    • 1...Qh3
      • 2.Qe4#
    • 1...Qe4+
      • 2.Qxe4#
    • 1...Qg1
      • 2.Qe4#
    • 1...Qh2
      • 2.Qe4#
    • 1...Bf5+
      • 2.Qxf5#
    • 1...d3+
      • 2.Qxd3#
    • 1...b4
      • 2.Bc4#
    • 1...c5
      • 2.Bb7#
  • Tries
    • 1.Qh5+?
      • 1...Bf5+
        • 2.Qxf5#
      • 1...f5!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qxd4#
      • 1...Bf5
        • 2.Qxf5#
      • 1...c5
        • 2.Bb7#
      • 1...Qe4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • Q(b);N_GUARD::QAB1(F)
    • Q(b);OGATEB::QAB(F),XQ(b)
    • Q(b);CHECK,N_GUARD::QAB1(F),XQ(b)
    • B(h);CHECK,N_GUARD::QAR2(F),XB(h)
    • P(c);CHECK,OGATEB::QAR2(F),XP(c)
    • P(e);OGATE::B(E)
    • P(g);OGATEB::B(E)
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • B(h);CHECK,N_GUARD,P_SPINB(h)::QAR2(F),XB(h)
      • Refutation
        • P(j);P_SPINP(j)
  • Actual
    • Q(F);P_PINP(c)
    • Threat
      • QAR1(F),XP(c)
    • Vars
      • B(h);N_GUARD,P_PINQ(F)::QAR2(F),XB(h)
      • P(g);OGATEB::B(E)
      • Q(b);N_GUARD,P_PINQ(F)::QAB1(F),XQ(b)
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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).