MESON Chess Problem Database

Problem Display
PID: 11649 (8/2N5/1p6/1B6/1kNpP3/1p1P3p/1p5Q/bK6 w - - 0 1)

Vladimirov, Viacheslav Semenovich

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

5th HM., Probleemblad, 1970/I

8/2N5/1p6/1B6/1kNpP3/1p1P3p/1p5Q/bK6

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qd2#
    • 1...Kc5
      • 2.Qd6#
  • Tries
    • 1.Sd6?
      • 1...Kc3
        • 2.Sd5#
      • 1...Ka5
        • 2.Qd2#
      • 1...Kc5
        • 2.Sa6#
      • 1...Ka3!
    • 1.Sa6+?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kxb5!
    • 1.Se6?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kxb5!
    • 1.Bc6?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kc5
        • 2.Qd6#
      • 1...b5!
    • 1.Bd7?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kc5
        • 2.Sa6#
        • 2.Qd6#
      • 1...b5!
    • 1.Be8?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kc5
        • 2.Sa6#
        • 2.Qd6#
      • 1...b5!
    • 1.Qg3?
      • 1...Kc3
        • 2.Sd5#
      • 1...Kc5
        • 2.Qd6#
      • 1...h2!
    • 1.Qf4?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kc5
        • 2.Qd6#
        • 2.Qf8#
      • 1...h2!
    • 1.Qf2?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kc5
        • 2.Qf8#
      • 1...h2!
    • 1.Qxh3?
      • 1...Kc3
        • 2.Sd5#
      • 1...Kc5!
    • 1.e5?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kc5!
  • Keys
    • 1.Sa3!
      • 1...Kxa3
        • 2.Qd6#
      • 1...Kc3
        • 2.Sd5#
      • 1...Ka5
        • 2.Qd2#
      • 1...Kc5
        • 2.Sa6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • S(D);
      • Vars
        • K(e);S_FLIGHT::S(G)
        • K(e);S_FLIGHT::QAB(B)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(G);CHECK
      • Vars
        • K(e);S_FLIGHT::QAB1(B)
      • Refutation
        • K(e);P-FLIGHT,XB(F)
    • Try
      • S(G);
      • Vars
        • K(e);S_FLIGHT::QAB1(B)
      • Refutation
        • K(e);P-FLIGHT,XB(F)
    • Try
      • B(F);
      • Vars
        • K(e);S_FLIGHT::QAB1(B)
      • Refutation
        • P(g);
    • Try
      • B(F);
      • Vars
        • K(e);S_FLIGHT::QAB1(B)
      • Refutation
        • P(g);
    • Try
      • B(F);
      • Vars
        • K(e);S_FLIGHT::QAB1(B)
      • Refutation
        • P(g);
    • Try
      • Q(B);
      • Vars
        • K(e);S_FLIGHT::S(G)
        • K(e);S_FLIGHT::QAB1(B)
      • Refutation
        • P(d);
    • Try
      • Q(B);
      • Vars
        • K(e);S_FLIGHT::QAB1(B)
      • Refutation
        • P(d);
    • Try
      • Q(B);
      • Vars
        • K(e);S_FLIGHT::QAB1(B)
        • K(e);P_SPINP(f),S_FLIGHT::QAB(B)
      • Refutation
        • P(d);
    • Try
      • Q(B);XP(d)
      • Vars
        • K(e);S_FLIGHT::S(G)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(e);S_FLIGHT::QAB1(B)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(e);S_FLIGHT,XS(D)::QAB(B)
      • K(e);S_FLIGHT::S(G)
      • K(e);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).