MESON Chess Problem Database

Problem Display
PID: 184381 (8/1N6/Kp4p1/3k2b1/p7/5R1B/1BQ5/4n3 w - - 0 1)

Chepizhni, Viktor Ivanovich

Kudesnik, 2018

8/1N6/Kp4p1/3k2b1/p7/5R1B/1BQ5/4n3

#2

6 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Rd3+?
      • 1...Ke4
        • 2.Qc4#
      • 1...Sxd3!
    • 1.Qb3+?
      • 1...Ke4
        • 2.Sd6#
      • 1...Kc6
        • 2.Rc3#
        • 2.Qc4#
      • 1...axb3!
    • 1.Qd3+?
      • 1...Kc6
        • 2.Qc4#
        • 2.Qd6#
        • 2.Qd7#
      • 1...Sxd3!
    • 1.Qf5+?
      • 1...Kc4
        • 2.Qe4#
        • 2.Qb5#
      • 1...Kc6
        • 2.Rc3#
        • 2.Qd7#
      • 1...gxf5!
    • 1.Qxg6?
      • threat
        • 2.Qe6#
      • 1...Kc4
        • 2.Qe4#
      • 1...Bf6!
    • 1.Qe2?
      • threat
        • 2.Qe6#
      • 1...Kc6
        • 2.Qc4#
      • 1...Be3!
    • 1.Qc5+?
      • 1...Ke4
        • 2.Qc6#
      • 1...bxc5!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qe6#
      • 1...Ke4
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR2(B)
      • Refutation
        • S(a);XR(C)
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT::S(F)
      • Refutation
        • P(b);XQ(B)
    • Try
      • Q(B);CHECK
      • Refutation
        • S(a);XQ(B)
    • Try
      • Q(B);CHECK
      • Refutation
        • P(f);XQ(B)
    • Try
      • Q(B);XP(f)
      • Threat
        • QAB1(B)
      • Vars
        • K(c);S_FLIGHT::QAR2(B)
      • Refutation
        • B(d);
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(c);S_FLIGHT::QAR2(B)
      • Refutation
        • B(d);
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(B)
      • Refutation
        • P(e);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(c);S_FLIGHT::QAB(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).