MESON Chess Problem Database

Problem Display
PID: 143837 (8/R7/8/b1kPB3/pp2Pp2/5Q2/2PK1P2/1R3B2 w - - 0 1)

Hinton, Jon

British Chess Magazine, 1992

8/R7/8/b1kPB3/pp2Pp2/5Q2/2PK1P2/1R3B2

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kb6
      • 2.Bd4#
  • Tries
    • 1.Bd4+?
      • 1...Kd6
        • 2.Qxf4#
        • 2.e5#
      • 1...Kxd4!
    • 1.Bxf4?
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kb6
        • 2.Be3#
        • 2.Qe3#
      • 1...b3+!
    • 1.Rxb4?
      • threat
        • 2.Qc3#
      • 1...Kxb4
        • 2.Bd6#
        • 2.Qc3#
      • 1...Bxb4+!
    • 1.Qe2?
      • threat
        • 2.Qb5#
      • 1...Kb6
        • 2.Bd4#
      • 1...b3+!
    • 1.Qc3+?
      • 1...Kb6
        • 2.Bd4#
        • 2.Qd4#
        • 2.Qc7#
      • 1...bxc3+!
    • 1.Qd3?
      • threat
        • 2.Qb5#
        • 2.Qd4#
      • 1...Kb6
        • 2.Bd4#
        • 2.Qd4#
      • 1...b3+!
    • 1.Qxf4?
      • threat
        • 2.Qe3#
      • 1...Kb6
        • 2.Bd4#
        • 2.Qe3#
      • 1...b3+!
  • Keys
    • 1.Qa3!
      • 1...bxa3+
        • 2.Rxa5#
      • 1...Kb6
        • 2.Bd4#
      • 1...Bb6
        • 2.Qxb4#
      • 1...Bc7
        • 2.Qxb4#
      • 1...Bd8
        • 2.Qxb4#
      • 1...f3
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(e);P_SPINP(b),S_FLIGHT::B(I)
  • Tries
    • Try
      • B(I);CHECK
      • Refutation
        • K(e);S_FLIGHT,XB(I)
    • Try
      • B(I);XP(c)
      • Threat
        • QAB(F)
      • Vars
        • K(e);S_FLIGHT::QAB1(F)
      • Refutation
        • P(b);CHECK
    • Try
      • R(A);P_SPINR(A),XP(b)
      • Threat
        • QAR2(F)
      • Refutation
        • B(d);CHECK,XR(A)
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(e);P_SPINP(b),S_FLIGHT::B(I)
      • Refutation
        • P(b);CHECK
    • Try
      • Q(F);CHECK
      • Refutation
        • P(b);CHECK,XQ(F)
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Refutation
        • P(b);CHECK
    • Try
      • Q(F);XP(c)
      • Threat
        • QAB(F)
      • Refutation
        • P(b);CHECK
  • Actual
    • Q(F);P_PINP(b)
    • Vars
      • P(b);CHECK,N_SPINP(b),XQ(F)::R(J),XB(d)
      • K(e);S_FLIGHT::B(I)
      • B(d);N_GUARD::QAB1(F),XP(b)
      • P(c);N_GUARD::QAB(F)
HTML5 logo

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).