MESON Chess Problem Database

Problem Display
PID: 6223 (2k5/4nK2/1Q1pRN2/8/2b5/4n1bB/8/8 w - - 0 1)

Easter, Norris

1st HM., Bristol Times and Mirror, 1928

2k5/4nK2/1Q1pRN2/8/2b5/4n1bB/8/8

#2

5 + 6

881 The Australasian Chess Review 1929
3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe6+
      • 2.Bxe6#
    • 1...S3d5
      • 2.Rxe7#
    • 1...S7d5
      • 2.Rxe3#
      • 2.Re8#
    • 1...d5
      • 2.Rc6#
  • Tries
    • 1.Sd5?
      • threat
        • 2.Qc7#
      • 1...Kd7
        • 2.Rxd6#
        • 2.Rxe7#
        • 2.Qc7#
      • 1...S3xd5
        • 2.Rxe7#
      • 1...S7xd5
        • 2.Rxe3#
        • 2.Re8#
      • 1...Bxd5!
    • 1.Qb7+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kxb7!
  • Keys
    • 1.Se8!
      • threat
        • 2.Qc7#
      • 1...Bxe6+
        • 2.Bxe6#
      • 1...Kd7
        • 2.Qc7#
      • 1...S3d5
        • 2.Rxe7#
      • 1...S7d5
        • 2.Rxe3#
      • 1...d5
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(c);CHECK,OGATE,P_SPINB(c),XR(C)::B(A),XB(c)
    • S(a);N_PINR(C)::B(A)+R(C),XS(e)
    • P(d);N_PINR(C)::B(A)+R(C),DCHECK
  • Tries
    • Try
      • S(D);N_SPINR(C)
      • Threat
        • QAR1(B)
      • Vars
        • S(a);N_GUARD,XS(D)::B(A)+R(C),XS(e)
      • Refutation
        • B(c);P_PINR(C),XS(D)
    • Try
      • Q(B);CHECK
      • Vars
        • K(f);P-FLIGHT::QAR1(B)
      • Refutation
        • K(f);S_FLIGHT,XQ(B)
  • Actual
    • S(D);
    • Threat
      • QAR1(B)
    • Vars
      • B(c);CHECK,OGATE,P_SPINB(c),XR(C)::B(A),XB(c)
      • K(f);S_FLIGHT::QAR1(B)
      • S(a);N_PINR(C)::B(A)+R(C),XS(e)
      • S(e);N_PINR(C)::B(A)+R(C),XS(a)
      • P(d);N_PINR(C)::B(A)+R(C),DCHECK
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).