MESON Chess Problem Database

Problem Display
PID: 171373 (8/8/8/1p6/k7/1pQ5/4B3/1K6 w - - 0 1)

Antipov, Viacheslav Pavlovich

Temp-64 (Nikolaev), 1995

8/8/8/1p6/k7/1pQ5/4B3/1K6

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ka3
      • 2.Qa5#
    • 1...b2
      • 2.Bd1#
    • 1...b4
      • 2.Qa1#
  • Tries
    • 1.Kc1?
      • 1...Ka3
        • 2.Qa5#
      • 1...b4
        • 2.Qa1#
      • 1...b2+!
    • 1.Bd1?
      • 1...Ka3
        • 2.Qa5#
        • 2.Qxb3#
      • 1...b4!
    • 1.Bf1?
      • 1...Ka3
        • 2.Qa5#
      • 1...b4
        • 2.Qa1#
      • 1...b2!
    • 1.Bf3?
      • 1...Ka3
        • 2.Qa5#
      • 1...b2
        • 2.Bd1#
      • 1...b4!
    • 1.Bg4?
      • 1...Ka3
        • 2.Qa5#
      • 1...b2
        • 2.Bd1#
      • 1...b4!
    • 1.Bxb5+?
      • 1...Ka3
        • 2.Qa5#
        • 2.Qc5#
      • 1...Kxb5!
    • 1.Bh5?
      • 1...Ka3
        • 2.Qa5#
      • 1...b2
        • 2.Bd1#
      • 1...b4!
    • 1.Qxb3+?
      • 1...Ka5
        • 2.Qxb5#
      • 1...Kxb3!
    • 1.Qc5?
      • 1...Ka5
        • 2.Qxb5#
      • 1...b4
        • 2.Qa7#
      • 1...b2!
  • Keys
    • 1.Bd3!
      • 1...Ka3
        • 2.Qa5#
      • 1...b4
        • 2.Qa1#
      • 1...b2
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,P_SPINP(a)::QAR2(C)
    • P(a);OGATEB::B(B)
    • P(c);SBLOCK::QAR(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::QAR2(C)
        • P(c);SBLOCK::QAR(C)
      • Refutation
        • P(a);CHECK
    • Try
      • B(B);P_PINP(a)
      • Refutation
        • P(c);
    • Try
      • B(B);
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::QAR2(C)
        • P(c);SBLOCK::QAR(C)
      • Refutation
        • P(a);
    • Try
      • B(B);
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::QAR2(C)
        • P(a);OGATEB::B(B)
      • Refutation
        • P(c);
    • Try
      • B(B);
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::QAR2(C)
        • P(a);OGATEB::B(B)
      • Refutation
        • P(c);
    • Try
      • B(B);CHECK,XP(c)
      • Refutation
        • K(b);S_FLIGHT,XB(B)
    • Try
      • B(B);
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::QAR2(C)
        • P(a);OGATEB::B(B)
      • Refutation
        • P(c);
    • Try
      • Q(C);CHECK,XP(a)
      • Vars
        • K(b);P-FLIGHT::QAR1(C),XP(c)
      • Refutation
        • K(b);S_FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Vars
        • K(b);P-FLIGHT,P_SPINP(c)::QAR1(C),XP(c)
        • P(c);SBLOCK::QAR(C)
      • Refutation
        • P(a);
  • Actual
    • B(B);
    • Vars
      • K(b);P-FLIGHT,P_SPINP(a)::QAR2(C)
      • P(c);SBLOCK::QAR(C)
      • P(a);OGATEB::B(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).