MESON Chess Problem Database

Problem Display
PID: 59241 (8/8/3p1p2/8/4k3/1P2p3/1B4K1/5Q2 w - - 0 1)

Ochkur, Aleksandr P

Troll, 2000

8/8/3p1p2/8/4k3/1P2p3/1B4K1/5Q2

#2

4 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qc4#
    • 1...e2
      • 2.Qf3#
    • 1...f5
      • 2.Qc4#
  • Tries
    • 1.Ba1?
      • 1...Kd5
        • 2.Qc4#
      • 1...e2
        • 2.Qf3#
      • 1...f5
        • 2.Qc4#
      • 1...d5!
    • 1.Bc3?
      • 1...Kd5
        • 2.Qc4#
      • 1...e2
        • 2.Qf3#
      • 1...f5
        • 2.Qc4#
      • 1...d5!
    • 1.Bxf6?
      • 1...Kd5
        • 2.Qc4#
      • 1...e2
        • 2.Qf3#
      • 1...d5!
  • Keys
    • 1.Kg3!
      • 1...Kd5
        • 2.Qc4#
      • 1...e2
        • 2.Qf3#
      • 1...d5
        • 2.Qb1#
      • 1...f5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(A)
    • P(a);::QAB1(A)
    • P(d);SBLOCK::QAR2(A)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • P(a);::QAB1(A)
        • P(d);SBLOCK::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • B(B);
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • P(a);::QAB1(A)
        • P(d);SBLOCK::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • B(B);XP(d)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • P(a);::QAB1(A)
      • Refutation
        • P(c);
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • P(a);::QAB1(A)
      • P(c);SBLOCK::QAB(A)
      • P(d);SBLOCK::QAR2(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).